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According to the characteristic of high concentration and non-biodegradation of industrial effluents, temperature and hydraulic retention time (HRT) was related to the effect of operation in the reactor, an experimental study on hydrolysis acidification process as a preprocessing method. Results: with acidification pretreatment process as a means of biological treatment is effective, the effect of...
Washing coal usually brings about 0.2m3/t wastewater (in terms of closed circulation) due to transpiration, which provides an effective space for the recycle of coke-plant wastewater. The effluent from phenol-cyanogen wastewater biochemical disposal station is used as complementary water for washing coal, and Closed-Cycling System in coal preparation plant is introduced to make industrial experiment...
As one of the heavily polluted industrial wastewaters tannery wastewater, which is difficult to handle especially in winter at low temperature, has attracted intensive attention all over the world recently. This work investigated the application of coagulation-flocculation to improve the treatment of raw tannery wastewater at low temperature (10??C). Parameters such as coagulant-flocculant combination,...
O-nitrobenzaldehyde (ONBA) manufacturing wastewater not only contains significant amount of oil-like substance, but also high salinity, total nitrogen (TN) content and concentration of dissolved organics resulting in high COD load. Oil-like substance could be removed from the wastewater by physical methods. However, dissolved COD compounds and TN could only be removed by biological or chemical treatments...
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