{"id":14481,"date":"2025-08-31T12:20:51","date_gmt":"2025-08-31T04:20:51","guid":{"rendered":"https:\/\/www.mbbr-media.com\/?p=14481"},"modified":"2025-08-02T14:01:04","modified_gmt":"2025-08-02T06:01:04","slug":"reducing-bod-in-wastewater","status":"publish","type":"post","link":"https:\/\/www.mbbr-media.com\/fa\/reducing-bod-in-wastewater\/","title":{"rendered":"\u06a9\u0627\u0647\u0634 BOD \u062f\u0631 \u0641\u0627\u0636\u0644\u0627\u0628: \u067e\u0627\u06cc\u0634\u060c \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u062a\u0637\u0627\u0628\u0642 \u0628\u0627 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f\u0647\u0627"},"content":{"rendered":"<h2>\u0645\u0637\u0627\u0644\u0628<\/h2>\n<ol>\n<li><a href=\"#sec1\">\u0686\u0647 BOD \u0648 COD?<\/a><\/li>\n<li><a href=\"#sec2\">\u0686\u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 BOD\/COD \u0645\u0633\u0627\u0626\u0644<\/a><\/li>\n<li><a href=\"#sec3\">\u0639\u0644\u0644 \u0627\u0635\u0644\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 BOD<\/a><\/li>\n<li><a href=\"#sec4\">\u0646\u062d\u0648\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0631\u0627\u0646\u062f\u0645\u0627\u0646 \u062d\u0630\u0641 BOD<\/a><\/li>\n<li><a href=\"#sec5\">\u0646\u0638\u0627\u0631\u062a \u0648 \u0627\u0646\u0637\u0628\u0627\u0642<\/a><\/li>\n<li><a href=\"#sec6\">\u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 BOD<\/a><\/li>\n<\/ol>\n<p><!-- 1 --><\/p>\n<section id=\"sec1\">\n<h2>1. \u0686\u0647 BOD \u0648 COD?<\/h2>\n<p><strong>\u0627\u06a9\u0633\u064a\u0698\u0646 \u0645\u0648\u0631\u062f \u0646\u064a\u0627\u0632 \u0634\u064a\u0645\u064a\u0627\u064a\u06cc (COD)<\/strong> \u0645\u06cc\u0632\u0627\u0646 \u0627\u06a9\u0633\u06cc\u0698\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0628\u0647 \u0627\u06a9\u0633\u06cc\u062f\u0647 \u0647\u0645\u0647 oxidizable \u0645\u0648\u0627\u062f \u062f\u0631 \u0622\u0628 (\u0648 \u0646\u0647 \u0645\u062d\u062f\u0648\u062f \u0628\u0647 \u0632\u06cc\u0633\u062a \u062a\u062e\u0631\u06cc\u0628 \u067e\u0630\u06cc\u0631 \u0622\u0644\u06cc). <strong>\u0628\u06cc\u0648\u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc Oxygen Demand (BOD)<\/strong> \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06a9\u0633\u06cc\u0698\u0646 \u0645\u0635\u0631\u0641 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 \u0645\u06cc\u06a9\u0631\u0648\u0627\u0631\u06af\u0627\u0646\u06cc\u0633\u0645 \u0647\u0627\u06cc \u0647\u0648\u0627\u0632\u06cc \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u0647\u0627\u0646\u062a \u0622\u0645\u06cc\u0632 \u0632\u06cc\u0633\u062a \u062a\u062e\u0631\u06cc\u0628 \u067e\u0630\u06cc\u0631 \u0622\u0644\u06cc \u062f\u0631 \u0622\u0628 \u0627\u0633\u062a.<\/p>\n<p>\u0628\u0627\u0644\u0627 BOD \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06cc\u06a9 \u0628\u0627\u0631 \u0628\u0632\u0631\u06af \u0627\u0632 \u062a\u062c\u0632\u06cc\u0647 \u0645\u0648\u0627\u062f \u0622\u0644\u06cc \u0627\u0633\u062a. \u0627\u06af\u0631 \u0645\u0631\u062e\u0635 \u0628\u062f\u0648\u0646 \u062f\u0631\u0645\u0627\u0646 \u0645\u0646\u0627\u0633\u0628 \u062f\u0631\u06cc\u0627\u0641\u062a \u0622\u0628 \u0627\u06a9\u0633\u06cc\u0698\u0646 \u0645\u062d\u0644\u0648\u0644 (DO) \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u062a\u062e\u0644\u06cc\u0647 \u0622\u0633\u06cc\u0628 \u0631\u0633\u0627\u0646\u062f\u0646 \u0628\u0647 \u0627\u06a9\u0648\u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0622\u0628\u06cc.<\/p>\n<div class=\"callout\"><strong>\u0647\u062f\u0641 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627:<\/strong> \u062a\u0648\u0636\u06cc\u062d \u062f\u0647\u06cc\u062f \u06a9\u0647 \u0686\u0631\u0627 BOD \u06a9\u0646\u062a\u0631\u0644 \u0628\u062d\u0631\u0627\u0646\u06cc \u0686\u0647 \u062f\u0631\u0627\u06cc\u0648\u0647\u0627\u06cc BOD \u0628\u0627\u0644\u0627 \u0648 \u062b\u0627\u0628\u062a \u0634\u062f\u0647 \u06af\u06cc\u0627\u0647-\u0622\u0645\u0627\u062f\u0647 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 BOD \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0646\u0634\u0633\u062a \u062a\u062e\u0644\u06cc\u0647 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a.<\/div>\n<p><a class=\"toplink\" href=\"#top\">\u2191 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0628\u0627\u0644\u0627<\/a><\/p>\n<\/section>\n<p><!-- 2 --><\/p>\n<section id=\"sec2\">\n<h2>2. \u0686\u0631\u0627 \u06a9\u0646\u062a\u0631\u0644 BOD\/COD \u0645\u0633\u0627\u0626\u0644<\/h2>\n<p><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-14501\" src=\"https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-wastewater.jpg\" width=\"700\" height=\"365\" srcset=\"https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-wastewater.jpg 700w, https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-wastewater-300x156.jpg 300w, https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-wastewater-18x9.jpg 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<h3>2.1 \u062d\u0641\u0627\u0638\u062a \u0627\u0632 \u0645\u062d\u06cc\u0637 \u0632\u06cc\u0633\u062a<\/h3>\n<p>\u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f BOD \u0628\u0647 \u0633\u0631\u0639\u062a \u062f\u0631 \u062d\u0627\u0644 \u0645\u0635\u0631\u0641 \u0627\u0646\u062c\u0627\u0645 \u0648 \u0645\u0646\u062c\u0631 \u0628\u0647 \u06a9\u0634\u062a\u0647 \u0634\u062f\u0646 \u0645\u0627\u0647\u06cc, \u0627\u0632 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0632\u06cc\u0633\u062a\u06af\u0627\u0647 \u0648 \u0628\u06cc \u062b\u0628\u0627\u062a \u0645\u0648\u0627\u062f \u063a\u0630\u0627\u06cc\u06cc \u0634\u0628\u06a9\u0647.<\/p>\n<h3>2.2 \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0645\u0642\u0631\u0631\u0627\u062a<\/h3>\n<p>\u0627\u06a9\u062b\u0631 \u062d\u0648\u0632\u0647 \u0647\u0627\u06cc \u0642\u0636\u0627\u06cc\u06cc \u062a\u0646\u0638\u06cc\u0645 \u0639\u062f\u062f\u06cc BOD\/COD \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u062f\u0631 outfalls. \u0646\u0638\u0627\u0631\u062a \u0645\u0639\u0645\u0648\u0644 \u0648 \u067e\u0631\u0648\u0646\u062f\u0647 \u06a9\u0627\u0647\u0634 \u062e\u0637\u0631 exceedances \u062c\u0631\u06cc\u0645\u0647 \u0648 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0642\u0627\u0646\u0648\u0646\u06cc.<\/p>\n<h3>2.3 \u0628\u0647\u062f\u0627\u0634\u062a \u0639\u0645\u0648\u0645\u06cc<\/h3>\n<p>\u06a9\u0627\u0647\u0634 BOD \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc \u062f\u0631 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u0627 \u0628\u0647\u0628\u0648\u062f \u06a9\u06cc\u0641\u06cc\u062a \u067e\u0633\u0627\u0628 \u0648 \u06a9\u0627\u0647\u0634 \u062e\u0637\u0631\u0627\u062a \u0646\u0627\u0634\u06cc \u0627\u0632 \u0628\u06cc\u0645\u0627\u0631\u06cc \u0645\u0646\u062a\u0642\u0644\u0647 \u0627\u0632 \u0631\u0627\u0647 \u0622\u0628.<\/p>\n<h3>2.4 \u06cc\u06a9\u067e\u0627\u0631\u0686\u06af\u06cc \u062f\u0627\u0631\u0627\u06cc\u06cc<\/h3>\n<p>\u0628\u0627\u0644\u0627 \u062f\u0631 \u0628\u0627\u0631\u06af\u0630\u0627\u0631\u06cc \u0622\u0644\u06cc \u0648 \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0634\u0631\u06a9\u062a<sub>2<\/sub> \u0646\u0633\u0644 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f \u062e\u0648\u0631\u062f\u06af\u06cc \u0628\u0647 \u0637\u0648\u0631 \u0628\u0627\u0644\u0642\u0648\u0647 \u0645\u062e\u0631\u0628 \u0644\u0648\u0644\u0647 \u0647\u0627 \u0648 \u062a\u062c\u0647\u06cc\u0632\u0627\u062a.<\/p>\n<p><a class=\"toplink\" href=\"#top\">\u2191 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0628\u0627\u0644\u0627<\/a><\/p>\n<\/section>\n<p><!-- 3 --><\/p>\n<section id=\"sec3\">\n<h2>3. \u0639\u0644\u0644 \u0627\u0635\u0644\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 BOD<\/h2>\n<h3>3.1 \u0639\u0648\u0627\u0645\u0644 \u0645\u0648\u062b\u0631 \u0628\u0631 BOD<\/h3>\n<ul>\n<li><strong>\u0622\u0644\u06cc \u0646\u0648\u0639 \u0648 \u063a\u0644\u0638\u062a:<\/strong> \u0628\u06cc\u0634\u062a\u0631 \u0628\u0647 \u0622\u0633\u0627\u0646\u06cc \u0632\u06cc\u0633\u062a \u062a\u062e\u0631\u06cc\u0628 \u067e\u0630\u06cc\u0631 \u0622\u0644\u06cc \u2192 \u0628\u0627\u0644\u0627\u062a\u0631 BOD.<\/li>\n<li><strong>\u062f\u0631\u062c\u0647 \u062d\u0631\u0627\u0631\u062a \u0648 pH:<\/strong> \u0641\u0639\u0627\u0644\u06cc\u062a \u0645\u06cc\u06a9\u0631\u0648\u0628\u06cc \u0628\u0633\u062a\u06af\u06cc \u0628\u0647 \u0645\u062d\u062f\u0648\u062f\u0647 \u0645\u0646\u0627\u0633\u0628.<\/li>\n<li><strong>\u0633\u0645\u0648\u0645:<\/strong> \u0641\u0644\u0632\u0627\u062a \u0633\u0646\u06af\u06cc\u0646\/\u0628\u06cc\u0648\u0627\u0633\u06cc\u062f\u0647\u0627 \u0633\u0631\u06a9\u0648\u0628 \u0645\u06cc\u06a9\u0631\u0648\u0628\u0647\u0627 \u0648 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u062d\u0631\u06cc\u0641 BOD \u0622\u0632\u0645\u0648\u0646.<\/li>\n<li><strong>\u0645\u0627\u06a9\u0631\u0648-\u0645\u0648\u0627\u062f \u063a\u0630\u0627\u064a\u064a (N, P):<\/strong> \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062a\u062d\u0631\u06cc\u06a9 \u0631\u0634\u062f \u0645\u064a\u06a9\u0631\u0648\u0628\u06cc \u0648 \u0631\u0627\u0646\u0646\u062f\u06af\u06cc BOD \u060c<\/li>\n<\/ul>\n<h3>3.2 \u0645\u0639\u0645\u0648\u0644\u06cc \u0645\u0646\u0627\u0628\u0639<\/h3>\n<ul>\n<li>\u0635\u0646\u0639\u062a\u06cc \u062a\u0631\u0634\u062d\u0627\u062a (\u0634\u06cc\u0645\u06cc \u0646\u0633\u0627\u062c\u06cc \u0648 \u06a9\u0627\u063a\u0630 \u0648 \u063a\u06cc\u0631\u0647.).<\/li>\n<li>\u062a\u0635\u0641\u064a\u0647 \u0634\u064a\u0631\u0627\u0628\u0647 \u063a\u0646\u06cc \u0627\u0632 \u0645\u0648\u0627\u062f \u0622\u0644\u06cc \u0627\u0633\u062a.<\/li>\n<li>\u0645\u0648\u0627\u062f \u063a\u0630\u0627\u06cc\u06cc \u0648 \u0622\u0634\u0627\u0645\u06cc\u062f\u0646\u06cc (persian) \u0641\u0627\u0636\u0644\u0627\u0628 (\u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0644\u0628\u0646\u06cc, \u0644\u0628\u0646\u06cc\u0627\u062a \u067e\u0631\u062f\u0627\u0632\u0646\u062f\u0647).<\/li>\n<li>\u0641\u0627\u0636\u0644\u0627\u0628 \u062e\u0627\u0646\u06af\u06cc \u0628\u0627 \u0645\u062d\u062a\u0648\u0627\u06cc \u0622\u0644\u06cc.<\/li>\n<li>\u0631\u0648\u0627\u0646\u0627\u0628 \u06a9\u0634\u0627\u0648\u0631\u0632\u06cc (\u06a9\u0648\u062f \u06a9\u0648\u062f).<\/li>\n<\/ul>\n<p><a class=\"toplink\" href=\"#top\">\u2191 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0628\u0627\u0644\u0627<\/a><\/p>\n<\/section>\n<p><!-- 4 --><\/p>\n<section id=\"sec4\">\n<h2>4. \u0646\u062d\u0648\u0647 \u0645\u062d\u0627\u0633\u0628\u0647 \u0631\u0627\u0646\u062f\u0645\u0627\u0646 \u062d\u0630\u0641 BOD<\/h2>\n<p><img alt=\"\" decoding=\"async\" class=\"alignnone size-full wp-image-14502\" src=\"https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-water-treatment.jpg\" width=\"552\" height=\"501\" srcset=\"https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-water-treatment.jpg 552w, https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-water-treatment-300x272.jpg 300w, https:\/\/www.mbbr-media.com\/wp-content\/uploads\/2025\/08\/BOD-water-treatment-13x12.jpg 13w\" sizes=\"(max-width: 552px) 100vw, 552px\" \/><\/p>\n<p><strong>\u0641\u0631\u0645\u0648\u0644<\/strong><\/p>\n<pre><code>\u0631\u0627\u0646\u062f\u0645\u0627\u0646 \u062d\u0630\u0641 BOD (%) = ((\u0648\u0631\u0648\u062f\u06cc BOD - BOD \u067e\u0633\u0627\u0628) \/ \u0648\u0631\u0648\u062f\u06cc BOD) \u00d7 100<\/code><\/pre>\n<p class=\"small\"><strong>\u067e\u0627\u0631\u0627\u0645\u062a\u0631 \u062a\u0639\u0627\u0631\u06cc\u0641<\/strong><br \/>\n<em>\u0631\u06cc\u0632 BOD<\/em>: \u062f\u0631\u0645\u0627\u0646 \u0646\u0634\u062f\u0647 \u0641\u0627\u0636\u0644\u0627\u0628 BOD \u0648\u0631\u0648\u062f \u06af\u06cc\u0627\u0647 (mg\/L) \u0627\u0633\u062a.<br \/>\n<em>BOD \u067e\u0633\u0627\u0628<\/em>: \u062f\u0631\u0645\u0627\u0646 \u0622\u0628 BOD \u067e\u0633 \u0627\u0632 \u0641\u0631\u0622\u06cc\u0646\u062f (mg\/L) \u0627\u0633\u062a.<\/p>\n<p><strong>\u0645\u062b\u0627\u0644<\/strong><\/p>\n<pre><code>\u0631\u06cc\u0632 BOD = 300 mg\/L\nBOD \u067e\u0633\u0627\u0628 = 20 mg\/L\n\n\u0631\u0627\u0646\u062f\u0645\u0627\u0646 \u062d\u0630\u0641 BOD = ((300 - 20) \/ 300) \u00d7 100 = 93.3%<\/code><\/pre>\n<p><strong>\u0645\u0648\u0627\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647:<\/strong> \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc ASP\/DAF \u0639\u0645\u0644\u06a9\u0631\u062f, \u0628\u0631\u0631\u0633\u06cc \u0645\u062c\u0648\u0632 \u0627\u0646\u0637\u0628\u0627\u0642 \u0648 \u067e\u0634\u062a\u06cc\u0628\u0627\u0646\u06cc \u0645\u0645\u06cc\u0632\u06cc \u0648 \u06cc\u0627 \u0645\u062d\u06cc\u0637 \u0632\u06cc\u0633\u062a \u06af\u0632\u0627\u0631\u0634 \u06a9\u0646\u0646\u062f.<\/p>\n<p><a class=\"toplink\" href=\"#top\">\u2191 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0628\u0627\u0644\u0627<\/a><\/p>\n<\/section>\n<p><!-- 5 --><\/p>\n<section id=\"sec5\">\n<h2>5. \u0646\u0638\u0627\u0631\u062a \u0648 \u0627\u0646\u0637\u0628\u0627\u0642<\/h2>\n<ul>\n<li><strong>\u0646\u0645\u0648\u0646\u0647 \u0628\u0631\u062f\u0627\u0631\u06cc \u0648 \u062a\u0633\u062a:<\/strong> \u062f\u0646\u0628\u0627\u0644 \u0631\u0648\u0634 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0631\u0627\u06cc BOD\/COD; \u062d\u0641\u0638 QA\/QC \u0648 \u0645\u0646\u0627\u0633\u0628 \u0632\u0645\u0627\u0646 \u0628\u0631\u06af\u0632\u0627\u0631\u06cc.<\/li>\n<li><strong>\u0622\u0646\u0644\u0627\u06cc\u0646 \u0633\u0646\u0633\u0648\u0631:<\/strong> \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 DO, pH \u0648 \u062f\u0645\u0627 \u0648 \u06a9\u062f\u0648\u0631\u062a\/MLSS \u067e\u0631\u0648\u0628 \u0628\u0631\u0627\u06cc \u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 \u06a9\u0646\u062a\u0631\u0644 \u0632\u0645\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc.<\/li>\n<li><strong>\u0645\u062f\u06cc\u0631\u06cc\u062a \u062f\u0627\u062f\u0647 \u0647\u0627:<\/strong> \u067e\u06cc\u06af\u06cc\u0631\u06cc \u0631\u0648\u0646\u062f (\u0648\u0631\u0648\u062f\u06cc \u0628\u0627\u0631 EQ \u0633\u0637\u062d \u0645\u062e\u0632\u0646 \u0647\u0648\u0627\u062f\u0647\u06cc \u0646\u0631\u062e) \u0628\u0631\u0627\u06cc \u06af\u0631\u0641\u062a\u0646 \u0646\u0627\u0647\u0646\u062c\u0627\u0631\u06cc \u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647.<\/li>\n<li><strong>\u06af\u0632\u0627\u0631\u0634 &amp; \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f:<\/strong> \u062d\u0641\u0638 \u06a9\u0627\u0644\u06cc\u0628\u0631\u0627\u0633\u06cc\u0648\u0646 \u0633\u06cc\u0627\u0647\u0647\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637 \u0634\u06cc\u0634\u0647-\u062a\u0633\u062a \u0633\u0648\u0627\u0628\u0642 \u062f\u0648\u0632 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644\u0647\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0648 \u0627\u067e\u0631\u0627\u062a\u0648\u0631 \u0686\u06a9 \u0644\u06cc\u0633\u062a.<\/li>\n<\/ul>\n<p><a class=\"toplink\" href=\"#top\">\u2191 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0628\u0627\u0644\u0627<\/a><\/p>\n<\/section>\n<p><!-- 6 --><\/p>\n<section id=\"sec6\">\n<h2>6. \u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 BOD<\/h2>\n<h3>6.1 \u0634\u0631\u0648\u0639 \u0628\u0627 \u06a9\u0646\u062a\u0631\u0644 \u062c\u0627\u0645\u062f\u0627\u062a (TSS)<\/h3>\n<p>TSS \u0648 BOD \u0647\u0633\u062a\u0646\u062f \u0627\u0632 \u0646\u0632\u062f\u06cc\u06a9 \u0645\u0631\u062a\u0628\u0637. \u062d\u0630\u0641 \u0645\u0648\u0627\u062f \u062c\u0627\u0645\u062f \u0645\u0639\u0644\u0642 \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u067e\u0627\u06cc\u06cc\u0646 \u062f\u0633\u062a \u06a9\u0627\u0647\u0634 \u0627\u06a9\u0633\u064a\u0698\u0646 \u0648 \u062a\u062b\u0628\u06cc\u062a \u0632\u06cc\u0633\u062a \u0634\u0646\u0627\u0633\u06cc.<\/p>\n<ul>\n<li><strong>\u062f\u0633\u062a\u06af\u0627\u0647 \u0647\u0627\u06cc \u0645\u06a9\u0627\u0646\u06cc\u06a9\u06cc:<\/strong> \u0646\u0648\u0627\u0631 \u0635\u0641\u062d\u0647 \u0646\u0645\u0627\u06cc\u0634 \u062f\u0648\u0627\u0631 \u0635\u0627\u0641\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0631\u0648\u0634\u0646 \u0634\u062f\u0646; \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0646 \u062f\u0633\u062a\u06af\u0627\u0647 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0646\u06af\u0647\u062f\u0627\u0631\u06cc \u0645\u06cc \u0634\u0648\u062f \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u062e\u06cc\u0631\u0647 \u06a9\u0646\u0646\u062f\u0647.<\/li>\n<li><strong>\u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0627\u06cc\u062f\u0632:<\/strong> \u0645\u0646\u0639\u0642\u062f\u06a9\u0646\u0646\u062f\u0647\/\u067e\u0644\u06cc\u0645\u0631\u0647\u0627 \u0628\u0647 \u0628\u0633\u062a\u0646 \u0648\u0633\u062e\u062a \u0634\u062f\u0646 \u0630\u0631\u0627\u062a \u0631\u06cc\u0632 \u06a9\u0647 \u062f\u0631 \u063a\u06cc\u0631 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0628\u0627\u0644\u0627 \u0628\u0631\u062f\u0646 BOD.<\/li>\n<\/ul>\n<h3>6.2 \u062c\u0631\u06cc\u0627\u0646 \u0628\u0631\u0627\u0628\u0631\u06cc (EQ \u0645\u062e\u0632\u0646)<\/h3>\n<p>\u062f\u0631\u0633\u062a \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 EQ dampens \u0647\u06cc\u062f\u0631\u0648\u0644\u06cc\u06a9 \u0648 \u0628\u0627\u0631 \u0622\u0644\u06cc \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0628\u0647\u0628\u0648\u062f \u0647\u0648\u0627\u062f\u0647\u06cc \u0648 \u06a9\u0646\u062a\u0631\u0644 \u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc \u062b\u0628\u0627\u062a \u0627\u0633\u062a.<\/p>\n<ul>\n<li>\u0627\u0646\u062a\u062e\u0627\u0628 \u062d\u062c\u0645 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0648\u0631\u0648\u062f\u06cc \u062a\u0646\u0648\u0639 \u0648 \u0647\u0631 \u0628\u0627\u0644\u0627\u062f\u0633\u062a \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u0634\u062f\u0647.<\/li>\n<li>\u0646\u0635\u0628 \u0633\u0637\u062d \u0646\u0638\u0627\u0631\u062a \u0648 \u0645\u062e\u0644\u0648\u0637 \u06a9\u0631\u062f\u0646 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 septicity.<\/li>\n<\/ul>\n<h3>6.3 \u0647\u0648\u0627\u062f\u0647\u06cc &amp; \u0641\u0631\u0627\u064a\u0646\u062f \u0644\u062c\u0646 \u0641\u0639\u0627\u0644 (ASP)<\/h3>\n<p>\u0647\u0648\u0627\u062f\u0647\u06cc \u06cc\u06a9\u06cc \u0627\u0632 \u0645\u0648\u062b\u0631 \u062a\u0631\u06cc\u0646 \u0627\u0647\u0631\u0645 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 BOD \u062f\u0631 \u062f\u0631\u0645\u0627\u0646 \u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc.<\/p>\n<ul>\n<li>\u062d\u0641\u0638 \u0645\u0646\u0627\u0633\u0628 \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f (\u0645\u0639\u0645\u0648\u0644\u0627 1.5\u20133.0 \u0645\u06cc\u0644\u06cc \u06af\u0631\u0645\/L \u062f\u0631 \u0647\u0648\u0627\u062f\u0647\u06cc \u062d\u0648\u0636\u0647).<\/li>\n<li>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0631\u06cc\u0632 \u062d\u0628\u0627\u0628 \u062f\u06cc\u0641\u06cc\u0648\u0632\u0631 \u06cc\u0627 \u06a9\u0627\u0631\u0622\u0645\u062f \u062f\u0645\u0646\u062f\u0647; \u062a\u0646\u0638\u06cc\u0645 \u0647\u0648\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0628\u0627\u0631 \u0648 \u062f\u0631\u062c\u0647 \u062d\u0631\u0627\u0631\u062a.<\/li>\n<li>\u06a9\u0646\u062a\u0631\u0644 SRT\/MLSS \u0648 \u0628\u0627\u0632\u06af\u0634\u062a \u0644\u062c\u0646 \u0641\u0639\u0627\u0644 (RAS) \u0646\u0631\u062e \u0628\u0631\u0627\u06cc \u062d\u0641\u0638 \u0633\u0627\u0644\u0645 \u0632\u06cc\u0633\u062a \u062a\u0648\u062f\u0647.<\/li>\n<\/ul>\n<h3>6.4 \u0627\u0646\u0639\u0642\u0627\u062f &amp; flocculation<\/h3>\n<p>\u0628\u0647\u0628\u0648\u062f \u062d\u0630\u0641 colloids \u0648 \u0628\u0627\u0642\u06cc \u0645\u0627\u0646\u062f\u0647 \u0622\u0644\u06cc \u06a9\u0627\u0645\u0644 ASP \u0648 \u0631\u0648\u0634\u0646 \u0634\u062f\u0646.<\/p>\n<ul>\n<li><strong>\u0645\u0646\u0639\u0642\u062f\u06a9\u0646\u0646\u062f\u0647:<\/strong> \u0633\u0648\u0644\u0641\u0627\u062a \u0622\u0644\u0648\u0645\u064a\u0646\u064a\u0648\u0645 (\u0622\u0644\u0648\u0645), \u0641\u0631\u06cc\u06a9\/\u0622\u0647\u0646\u06cc \u0646\u0645\u06a9.<\/li>\n<li><strong>\u067e\u0644\u06cc\u0645\u0631\u0647\u0627:<\/strong> \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u0646\u0648\u0639\/\u062f\u0648\u0632 \u062c\u0627\u0631 \u062a\u0633\u062a \u06a9\u0646\u062a\u0631\u0644 pH \u0628\u0631\u0627\u06cc \u0628\u0647\u062a\u0631\u06cc\u0646 \u0639\u0645\u0644\u06a9\u0631\u062f.<\/li>\n<\/ul>\n<h3>6.5 DAF (\u0645\u062d\u0644\u0648\u0644 Air Flotation)<\/h3>\n<p>\u0645\u0648\u062b\u0631 \u0628\u0631\u0627\u06cc \u0627\u0632 \u0628\u06cc\u0646 \u0628\u0631\u062f\u0646 \u0645\u0647 \u0648 \u062e\u0648\u0628 \u0645\u0648\u0627\u062f \u062c\u0627\u0645\u062f \u0645\u0639\u0644\u0642 \u06a9\u0647 \u062f\u0631\u0627\u06cc\u0648 BOD.<\/p>\n<ul>\n<li>\u0646\u0638\u0631 \u062e\u0648\u062f \u062a\u0645\u06cc\u0632 \u06a9\u0631\u062f\u0646 \u0627\u0645\u06a9\u0627\u0646\u0627\u062a \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u062e\u0631\u0627\u0628\u06cc.<\/li>\n<li>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062a\u0632\u0631\u06cc\u0642 \u0627\u0645\u062a\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u0645\u0646\u0639\u0642\u062f\u06a9\u0646\u0646\u062f\u0647\/\u067e\u0644\u06cc\u0645\u0631 \u0648 whitewater \u0686\u0631\u062e\u0634.<\/li>\n<\/ul>\n<h3>6.6 \u062f\u0631\u062c\u0647 \u062d\u0631\u0627\u0631\u062a \u0648 \u0645\u0648\u0627\u062f \u0645\u063a\u0630\u06cc<\/h3>\n<ul>\n<li>\u0646\u0633\u0628\u062a\u0627 \u067e\u0627\u06cc\u06cc\u0646 \u0641\u0627\u0636\u0644\u0627\u0628 \u062f\u0645\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f \u0627\u0646\u062c\u0627\u0645 \u0648 \u062d\u0645\u0627\u06cc\u062a \u0627\u0632 \u0645\u06cc\u06a9\u0631\u0648\u0628 \u0647\u0627 (\u062f\u0631 \u062f\u0631\u0648\u0646 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0647\u0627\u06cc \u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc).<\/li>\n<li>\u062d\u0641\u0638 \u0645\u062a\u0639\u0627\u062f\u0644 N\/P \u0646\u0633\u0628\u062a \u0628\u0647 \u067e\u0627\u06cc\u062f\u0627\u0631 \u0632\u06cc\u0633\u062a \u062a\u0648\u062f\u0647; \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0628\u06cc\u0634 \u0627\u0632 \u062d\u062f \u0648 \u06cc\u0627 \u062a\u063a\u0630\u06cc\u0647 \u0645\u0648\u0627\u062f \u0645\u063a\u0630\u06cc \u0627\u0633\u062a.<\/li>\n<\/ul>\n<h3>6.7 \u062e\u0644\u0627\u0635\u0647 \u062c\u062f\u0648\u0644<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u062f\u0633\u062a\u0647<\/th>\n<th>\u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc<\/th>\n<th>\u062a\u0648\u0636\u06cc\u062d\u0627\u062a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0641\u06cc\u0632\u06cc\u06a9\u06cc<\/td>\n<td>\u062d\u0630\u0641 TSS \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644<\/td>\n<td>\u0635\u0641\u062d\u0647 \u0646\u0645\u0627\u06cc\u0634 \u0631\u0633\u0648\u0628 \u062f\u0648\u0627\u0631 \u0635\u0627\u0641\u06cc \u0628\u0647 \u0642\u0637\u0639 \u0645\u0648\u0627\u062f \u062c\u0627\u0645\u062f \u0648 \u063a\u06cc\u0631 \u0645\u0633\u062a\u0642\u06cc\u0645 \u06a9\u0627\u0647\u0634 BOD.<\/td>\n<\/tr>\n<tr>\n<td>\u0641\u06cc\u0632\u06cc\u06a9\u06cc<\/td>\n<td>\u0628\u0647 \u062f\u0631\u0633\u062a\u06cc \u0627\u0646\u062f\u0627\u0632\u0647 EQ \u0645\u062e\u0632\u0646<\/td>\n<td>\u0628\u0627\u0641\u0631 \u062c\u0631\u06cc\u0627\u0646\/\u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0628\u0627\u0631; \u062a\u062b\u0628\u06cc\u062a \u0647\u0648\u0627\u062f\u0647\u06cc \u0648 \u0632\u06cc\u0633\u062a \u0634\u0646\u0627\u0633\u06cc.<\/td>\n<\/tr>\n<tr>\n<td>\u0641\u06cc\u0632\u06cc\u06a9\u06cc<\/td>\n<td>\u06a9\u0627\u0631\u0622\u0645\u062f DAF<\/td>\n<td>\u0627\u0647\u062f\u0627\u0641 \u0648 \u0631\u0648\u063a\u0646 \u0647\u0627\u06cc \u062e\u0648\u0628 \u062c\u0627\u0645\u062f\u0627\u062a; \u0628\u0647\u0628\u0648\u062f \u062c\u062f\u0627\u06cc\u06cc \u062c\u0627\u0645\u062f \u0648 \u0645\u0627\u06cc\u0639.<\/td>\n<\/tr>\n<tr>\n<td>\u0641\u06cc\u0632\u06cc\u06a9\u06cc<\/td>\n<td>\u06a9\u0646\u062a\u0631\u0644 \u062f\u0631\u062c\u0647 \u062d\u0631\u0627\u0631\u062a<\/td>\n<td>\u0646\u0633\u06cc\u0645 \u062e\u0646\u06a9 \u06a9\u0646\u0646\u062f\u0647 \u0631\u0627 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u06cc \u062f\u0647\u062f \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0648 \u0627\u06cc\u062f\u0632 \u0641\u0639\u0627\u0644\u06cc\u062a \u0645\u06cc\u06a9\u0631\u0648\u0628\u06cc (\u062f\u0631 \u0641\u0631\u0627\u06cc\u0646\u062f \u0645\u062d\u062f\u0648\u062f\u06cc\u062a).<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc<\/td>\n<td>\u0627\u0646\u0639\u0642\u0627\u062f &amp; flocculation<\/td>\n<td>\u0622\u0644\u0648\u0645\/\u0641\u0631\u06cc\u06a9 \u0648 \u067e\u0644\u06cc\u0645\u0631 \u0628\u0647 \u062c\u0645\u0639 \u0622\u0644\u06cc \u0628\u0647 \u062c\u0627\u0628\u062c\u0627\u06cc\u06cc flocs.<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc<\/td>\n<td>\u062e\u0648\u062f\u06a9\u0627\u0631 \u062f\u0648\u0632<\/td>\n<td>\u062c\u0631\u06cc\u0627\u0646 \u06af\u0627\u0645 \u0627\u0646\u062a\u0642\u0627\u062f\u0627\u062a \u0648 \u067e\u06cc\u0634\u0646\u0647\u0627\u062f\u0627\u062a-\u06a9\u0646\u062a\u0631\u0644 \u062f\u0648\u0632 \u0627\u0632 \u0645\u0627\u06cc\u0639 \u0645\u0639\u0631\u0641 \u0628\u0647\u0628\u0648\u062f \u062b\u0628\u0627\u062a.<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc<\/td>\n<td>\u062a\u0646\u0638\u06cc\u0645 pH<\/td>\n<td>\u062f\u0631 \u0639\u0645\u0644 pH \u0645\u0637\u0644\u0648\u0628 \u0628\u0631\u0627\u06cc \u0645\u0646\u0639\u0642\u062f\u06a9\u0646\u0646\u062f\u0647\/\u067e\u0644\u06cc\u0645\u0631\u0647\u0627 \u0648 \u0641\u0631\u0622\u06cc\u0646\u062f\u0647\u0627\u06cc \u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc.<\/td>\n<\/tr>\n<tr>\n<td>\u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc<\/td>\n<td>\u0644\u062c\u0646 \u0641\u0639\u0627\u0644 (ASP)<\/td>\n<td>\u062d\u0641\u0638 \u0627\u0646\u062c\u0627\u0645, SRT, MLSS \u0648 RAS \u0628\u0631\u0627\u06cc \u0642\u0648\u06cc \u062a\u062c\u0632\u06cc\u0647 \u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc \u0645\u0648\u0627\u062f \u0622\u0644\u06cc \u0627\u0633\u062a.<\/td>\n<\/tr>\n<tr>\n<td>\u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc<\/td>\n<td>\u0627\u0641\u0632\u0627\u06cc\u0634 \u0647\u0648\u0627\u062f\u0647\u06cc<\/td>\n<td>\u062e\u0648\u0628-\u062f\u06cc\u0641\u06cc\u0648\u0632\u0631 \u062d\u0628\u0627\u0628\/\u062f\u0645\u0646\u062f\u0647 \u0647\u0645\u0633\u0627\u0646 \u0628\u0647 \u0627\u06a9\u0633\u06cc\u0698\u0646.<\/td>\n<\/tr>\n<tr>\n<td>\u0628\u06cc\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc<\/td>\n<td>Mbbr \u067e\u0633\u0627<\/td>\n<td>\u062d\u0627\u0645\u0644 \u0631\u0633\u0627\u0646\u0647 \u0647\u0627 \u0628\u0627 \u0628\u064a\u0648\u0641\u064a\u0644\u0645 \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u062f\u0631\u0645\u0627\u0646 \u0633\u0637\u062d \u0648 \u0627\u0646\u0639\u0637\u0627\u0641 \u067e\u0630\u06cc\u0631\u06cc \u0627\u0633\u062a.<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u06cc\u0633\u062a\u0645<\/td>\n<td>\u062e\u0648\u062f \u062a\u0645\u06cc\u0632 \u06a9\u0631\u062f\u0646 DAF<\/td>\n<td>\u0645\u0627\u0646\u0639 \u0627\u0632 \u06af\u0631\u0641\u062a\u06af\u06cc; \u06a9\u0627\u0647\u0634 \u06a9\u062a\u0627\u0628\u0686\u0647 \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u062a\u0645\u06cc\u0632 \u06a9\u0631\u062f\u0646 \u062d\u062c\u0645 \u06a9\u0627\u0631.<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u06cc\u0633\u062a\u0645<\/td>\n<td>\u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc \u062a\u0632\u0631\u06cc\u0642 \u0627\u0645\u062a\u06cc\u0627\u0632<\/td>\n<td>\u0627\u0633\u062a\u0631\u0627\u062a\u0698\u06cc\u06a9 \u0645\u0646\u0639\u0642\u062f \u06a9\u0646\u0646\u062f\u0647\/\u067e\u0644\u06cc\u0645\u0631 \u067e\u0648\u0631\u062a \u062d\u062f\u0627\u06a9\u062b\u0631 \u0631\u0633\u0627\u0646\u062f\u0646 \u062a\u0645\u0627\u0633 \u0648 \u062c\u062f\u0627\u06cc\u06cc.<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u06cc\u0633\u062a\u0645<\/td>\n<td>\u0631\u0627\u0633\u062a-\u062a\u062c\u0647\u06cc\u0632\u0627\u062a \u0627\u0646\u062f\u0627\u0632\u0647<\/td>\n<td>DAF \u062f\u0645\u0646\u062f\u0647 \u0648 \u0634\u06cc\u0645\u06cc\u0627\u06cc\u06cc \u062e\u0648\u0631\u0627\u06a9 \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 \u06a9\u0646\u0648\u0646\u06cc \u0648 \u0622\u06cc\u0646\u062f\u0647 \u060c<\/td>\n<\/tr>\n<tr>\n<td>O&amp;M<\/td>\n<td>\u0646\u0638\u0627\u0631\u062a \u0628\u0627 \u0633\u0646\u0633\u0648\u0631<\/td>\n<td>\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 DO, pH \u0648 \u062f\u0645\u0627 \u0633\u0646\u0633\u0648\u0631 \u0628\u0631\u0627\u06cc \u0632\u0645\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc \u062a\u0646\u0638\u06cc\u0645.<\/td>\n<\/tr>\n<tr>\n<td>O&amp;M<\/td>\n<td>\u0645\u0634\u0648\u0631\u062a \u0628\u0627 \u06a9\u0627\u0631\u0634\u0646\u0627\u0633\u0627\u0646<\/td>\n<td>\u0631\u062f\u06cc\u0627\u0628\u06cc \u0628\u0627\u0644\u0627\u062f\u0633\u062a \u0645\u0646\u0627\u0628\u0639; \u062e\u06cc\u0627\u0637 \u0634\u06cc\u0645\u06cc \u0648 \u0641\u0631\u0627\u06cc\u0646\u062f \u0647\u0627\u06cc \u0631\u06cc\u0632 \u060c<\/td>\n<\/tr>\n<tr>\n<td>O&amp;M<\/td>\n<td>\u0631\u0648\u0627\u0644 \u0628\u0647\u06cc\u0646\u0647 \u0633\u0627\u0632\u06cc<\/td>\n<td>\u062c\u0627\u0631 \u062a\u0633\u062a \u0647\u0627\u06cc \u0644\u062c\u0646 \u0633\u0646, \u06a9\u0646\u062a\u0631\u0644 \u0648 \u0631\u0648\u0646\u062f \u0628\u0631\u0631\u0633\u06cc \u0628\u0647 \u062d\u0641\u0638 \u0639\u0645\u0644\u06a9\u0631\u062f.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a class=\"toplink\" href=\"#top\">\u2191 \u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u0628\u0627\u0644\u0627<\/a><\/p>\n<\/section>\n<h2>\u0646\u062a\u064a\u062c\u0647 \u06af\u064a\u0631\u06cc<\/h2>\n<p>\u062f\u0631 \u062e\u0644\u0627\u0635\u0647 \u0645\u0648\u062b\u0631 BOD \u06a9\u0627\u0647\u0634 \u0645\u06cc \u0622\u06cc\u062f \u0627\u0632 \u0627\u0646\u062c\u0627\u0645 \u06a9\u0627\u0631\u0647\u0627\u06cc \u0633\u0627\u062f\u0647 \u0647\u0633\u062a: \u062d\u0630\u0641 \u0645\u0648\u0627\u062f \u062c\u0627\u0645\u062f \u0645\u0639\u0644\u0642 \u062f\u0631 \u0627\u0648\u0627\u06cc\u0644 \u0635\u0627\u0641 \u0647\u06cc\u062f\u0631\u0648\u0644\u06cc\u06a9\u06cc \u0648 \u0622\u0644\u06cc \u0646\u0648\u0633\u0627\u0646\u0627\u062a \u0628\u0627 \u06cc\u06a9 \u0631\u0627\u0633\u062a \u0628\u0647 \u0627\u0646\u062f\u0627\u0632\u0647 EQ \u0645\u062e\u0632\u0646 \u0646\u06af\u0647 \u0632\u06cc\u0633\u062a \u0634\u0646\u0627\u0633\u06cc \u0627\u06a9\u0633\u06cc\u0698\u0646 \u062e\u0648\u0628 \u0648 \u0628\u0647 \u062e\u0648\u0628\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u0634\u062f\u0647 \u0648 \u0628\u0627 \u0647\u062f\u0641 \u0627\u0646\u0639\u0642\u0627\u062f\/flocculation \u0648 DAF \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a. \u0627\u0639\u062a\u0628\u0627\u0631 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0627 BOD removalefficiency \u0645\u062d\u0627\u0633\u0628\u0647 \u0648 \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0648\u0686\u06a9 \u0627\u0632 \u0631\u0648\u0627\u0644 \u0645\u062a\u0631\u06cc\u06a9 (DO \u060c pH \u0648 \u062f\u0631\u062c\u0647 \u062d\u0631\u0627\u0631\u062a \u0648 \u062c\u0631\u06cc\u0627\u0646 MLSS\/SRT). \u06af\u06cc\u0627\u0647\u0627\u0646\u06cc \u06a9\u0647 pairdisciplined \u0646\u0638\u0627\u0631\u062a \u0628\u0627 \u0645\u0646\u0627\u0633\u0628-\u0628\u0631\u0627\u06cc-\u0647\u062f\u0641 \u062a\u062c\u0647\u06cc\u0632\u0627\u062a \u0628\u0647 \u0637\u0648\u0631 \u0645\u062f\u0627\u0648\u0645 \u062f\u06cc\u062f\u0627\u0631 \u0628\u0627 \u067e\u0633\u0627\u0628 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u0645\u062d\u0627\u0641\u0638\u062a \u0627\u0632 \u062f\u0631\u06cc\u0627\u0641\u062a \u0622\u0628 \u0648 \u0639\u0645\u0644 \u0628\u06cc\u0634\u062a\u0631 \u0642\u0627\u0628\u0644 \u067e\u06cc\u0634 \u0628\u06cc\u0646\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u0645\u062f\u062a \u0637\u0648\u0644\u0627\u0646\u06cc.<\/p>","protected":false},"excerpt":{"rendered":"<p>Contents What Are BOD and COD? Why Controlling BOD\/COD Matters Main Causes of Elevated BOD How to Calculate BOD Removal Efficiency Monitoring &amp; Compliance Strategies to Reduce BOD 1. What Are BOD and COD? Chemical Oxygen Demand (COD) is the amount of oxygen required to chemically oxidize all oxidizable substances in water (not limited to [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14502,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Reducing BOD in Wastewater: Monitoring, Calculation, and Compliance","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[65],"tags":[],"class_list":["post-14481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-water-treatment"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/posts\/14481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/comments?post=14481"}],"version-history":[{"count":4,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/posts\/14481\/revisions"}],"predecessor-version":[{"id":14504,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/posts\/14481\/revisions\/14504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/media\/14502"}],"wp:attachment":[{"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/media?parent=14481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/categories?post=14481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mbbr-media.com\/fa\/wp-json\/wp\/v2\/tags?post=14481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}