At the same brightness of 80%,the effluent loads of both DQP and D0(EOP)D1 bleaching are much lower than that of CEH bleaching,so the AOX is only 1/10 of that of CEH bleaching,so the ECF bleaching is benign to the environment.
The reactor operated continuously for 30d,the effluent COD and NH3-N lowered to below100 mg/L and 10mg/L respectively,reaching the national first class discharge standard of chemical fiber wastewater.
The result of experiment show that the CODCr of influent water is about 1000mg/Land the effluent water is lower than 100mg/L. The removal rate reaches above 90%. The effluence is clean and transparent, and reaches the discharge standard.
Activated carbon was prepared from the sewage sludge of municipal wastewater treatment plant by chemical activation (activation reagent is ZnCl2) and was used for the adsorption of dye (reactive brilliant red K-2BP).
The isolation and identification of high efficient biohydrogen production anaerobic bacteria are the important foundations for the fermented biohydrogen production process by anaerobic digesting organic wastewater.
Wastewater discharge, especially municipal wastewater discharge, and non-point pollution sources are becoming the major water pollution source and research focus.
The Acinetobacter calcoaceticusstrain TM-31 has been isolated from a microbial assemblage of a pilot plant that purifies waste water polluted with mineral oil.
We examine the problem of the filtration of polluted industrial waste water entering natural aquifers from sludge basins, evaporators, and other types of industrial basins.
A rapid and reliable high performance liquid chromatographic (HPLC) method for the simultaneous determination of heterocyclic compounds, namely nicotinic acid, nicotinamide, and 3-cyanopyridine, in industrial effluent is described.
This method is rapid, sensitive and suitable for the monitoring of nicotinic acid, nicotinamide, and 3-cyanopyridine in effluent of related pharmaceutical manufacturing plants.
Under deficient influent alkalinity, when compared to OAA, the AAA process improved treatment efficiency and effluent quality with NH4+-N in the effluent below the detection limit.
Activated carbon was prepared from the sewage sludge of municipal wastewater treatment plant by chemical activation (activation reagent is ZnCl2) and was used for the adsorption of dye (reactive brilliant red K-2BP).
Long-term sampling and analysis were conducted in a domestic wastewater treatment plant for the investigation on the characteristics of the representative contaminants in raw sewage such as SS, COD, BOD5, TP, and TN.
The effects of chlorine dioxide and chlorine disinfections on the genotoxicity of different biologically treated sewage wastewater samples were studied by umu-test.