Treatment process of wastewater with high COD (Chemical Oxygen Demand) and low CN ratio

Treatment process of wastewater with high COD (Chemical Oxygen Demand) and low CN ratio

The invention relates to a treatment process of wastewater with high COD (Chemical Oxygen Demand) and a low CN ratio. The wastewater treatment process comprises solid-liquid separation, fermentation,biological fermentation, precipitation, biochemical treatment and coagulation. The wastewater treatme...

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Bibliographische Detailangaben
Hauptverfasser: DAI KAILEI, MA SHIYUAN, YAO JUN, LIANG JIAJUN, GAO HONGBIAO, WANG JUNLI, CHEN GUANGSHENG, LI JINHUA, HUANG YONGLEI, TIAN ZHENGCAO, XUE SHUIBO, WEN YANPENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:The invention relates to a treatment process of wastewater with high COD (Chemical Oxygen Demand) and a low CN ratio. The wastewater treatment process comprises solid-liquid separation, fermentation,biological fermentation, precipitation, biochemical treatment and coagulation. The wastewater treatment process has the advantages of simple process, low operating cost and easiness in operation. 本发明涉及种高COD、低CN比值的废水处理工艺，所述的废水处理工艺包括固液分离、发酵、生物发酵、沉淀、生化处理和混凝，本发明具有工艺简单、运行成本低、操纵简单的优点。