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Study on the acidity of printing wastewater

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Study on the acidity of printing wastewater
Wastewater Treatment Fact Sheet: External Carbon Sources ...
Wastewater Treatment Fact Sheet: External Carbon Sources ...

Wastewater Treatment Fact Sheet: External Carbon Sources for Nitrogen, Removal. ... the ,wastewater treatment, process and soluble ,COD, generally foundin the influent ,wastewater, ... such as glycerol, acetic ,acid,, and the MicroC™ suite of products can be

Winery and distillery wastewater treatment by anaerobic ...
Winery and distillery wastewater treatment by anaerobic ...

In the acidogenic phase, the soluble ,COD, removal yield is 24% and the hydraulic resi-dence time (HRT) was 20 to 38 hours. The organic loads of the anaerobic filter are between 4.6 to 11 kg ,of COD,/m3/d with an average yield of 70%. The organic load of the aerobic post-,treatment, is 1.3 kg ,COD,/m3/d. The ,COD, removal yield of the overall process was

COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …
COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …

anionic suspended particles and reduce the levels ,of Chemical Oxygen Demand, (,COD,) and turbidity in textile industry ,wastewater,. The optimum conditions for this study were at 30 mg/l of chitosan, pH 4 and 20 minutes of mixing time with 250 rpm of mixing rate for 1 minute, 30rpm of mixing rate for 20 minutes and 30 minutes of settling time.

Converting Chemical Oxygen Demand (COD) of Cellulosic ...
Converting Chemical Oxygen Demand (COD) of Cellulosic ...

27/1/2017, · ,Wastewater, streams from different fermentation processes had been tried, including glutamic ,acid, fermentation ,wastewater, , municipal ,wastewater, , and distillery ,wastewater, . Of the ,COD, in ethanol fermentation ,wastewater, from sweet potato, 72.3% was reduced by oleaginous yeast Rhodosporidium toruloides Y2 with 1.33 g/L of lipid formation [ 13 ].

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