“由于原料回收利用率不高，像淀粉原料加工企业的废水中化学需氧量（COD）是日常污水的十几倍。”北京市环境保护科学研究院工程师常丽春说，这些COD浓度达到5000-6000毫克/升的有机工业废水，如果直接采用...
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大庆油田化工总厂废水中化学需氧量(COD)的测定采用库仑法。
Coulostatic method has been adopted to determine chemical OxygenDemand (COD) in the waste water of Petrochemical Plant of Daqing Petroleum Administration.
应用生物接触氧化法投加有效微生物菌群(EM)对制药废水中化学需氧量的去除效果进行试验研究和分析。
An experiment was made on the pharmaceutical wastewater treatment with the contact oxidation process by adding effective microorganisms (em) to remove the chemical oxygen demand (COD).
考察了废水中悬浮物浓度及化学需氧量与炭膜渗透压的关系。
The relationship between the mixed liquor suspended solid concentration, chemical oxygen demand and wastewater permeation pressure of the membrane was studied.
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