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Arsenic trioxide in arsenic containing acid 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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Arsenic trioxide in arsenic containing acid wastewater
Photocatalytic Degradation of Commercially Important Azo ...
Photocatalytic Degradation of Commercially Important Azo ...

stirring. The ,pH, of solution was monitored and complete ,precipitation, was obtain at ,pH, 9. The precipitate was filtered and washed. This precipitate was kept in oven at 120° C for drying. After drying it was grounded in mortar and pastle. Subsequently, calcinations were performed. The powder was calcined at 600° C for 5 hours. Characterization:

PHYSICO CHEMICAL ANALYSIS OF TEXTILE EFFLUENT AND ...
PHYSICO CHEMICAL ANALYSIS OF TEXTILE EFFLUENT AND ...

azo ,dye, (,Acid, Red 128) decolorizing bacterial strains by inoculating 10 ml. of sludge solution into 250ml.Erlenmeyer flask containing 100ml. Nutrient broth (gL-1Peptone -5, Meat extract 1, Yeast extract 2, Nacl 5,,pH,-7). The flasks were incubated at 35°C ,under, shaking ,conditions, (130rpm).After 48h of incubation, 1.0ml.

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Textile dyeing plants generate ,wastewater, that contain synthetic (e.g., reactive dyes, ,acid, dyes, basic dyes, disperse dyes, vat dyes, sulphur dyes, mordant dyes, direct dyes, ingrain dyes, solvent dyes, pigment dyes) and natural dyestuff, gum thickener (guar) and various wetting agents, ,pH, buffers and ,dye, retardants or accelerators.

Microbial Degradation and Decolorization of Reactive ...
Microbial Degradation and Decolorization of Reactive ...

Azo ,dye, Reactive orange was selected for decolorization and degradation studies by Pseudomonas spp. Optimization of parameters for ,dye, decolorization were studied ,under, static anoxic condition. ,Under, optimized condition decolorization of Reactive orange by Pseudomonas spp was found to be 98% at 50mg/L within five hours in static anoxic condition.

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