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.
经过萃取，废水中的苯胺类物质与化学需氧量的去除率分别达95%和88%以上，萃取后的废水可以进行生化处理。
More than 95% of aniline and more than 88% of COD in wastewater are removed by extraction. Moreover the wastewater can be treated by biological p...
经过萃取，废水中的苯胺类物质与化学需氧量的去除率分别达95%和88%以上，萃取后的废水可以进行生化处理。
More than 95% of aniline and more than 88% of COD in wastewater are removed by extraction. Moreover the wastewater can be treated by biological p...
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