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What is the pH of acid printing and dyeing 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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What is the pH of acid printing and dyeing wastewater
Membrane Technology For Oily Wastewater Treatment ...
Membrane Technology For Oily Wastewater Treatment ...

The wastewater will be also highly acidic and oily with Sulphate and Phosphate content that cause serious threat to environment and mostly the aquatic life. With the increasing demand on treating wastewater from edible oil processing units, membrane technology including ceramic membrane bioreactor and RO /NF combined process has been applied to treat edible oil processing wastewater.

Oily wastewaters treatment using Pseudomonas sp. isolated ...
Oily wastewaters treatment using Pseudomonas sp. isolated ...

By contrast, Annibale et al. found that the same enzyme activity of Penicillium was highest when the fungus was cultivated on ,Oily wastewater, characterized by ,high, organic loads. Goncalves et al. (2009) applied ammonium chloride as a nitrogen resource in this regard and reported the maximum COD removal through using some kind of yeast 60% [ 25 ].

Synthesis of a Novel Amphiphilic and Cationic Chitosan ...
Synthesis of a Novel Amphiphilic and Cationic Chitosan ...

In the study, the SDS concentration and pH value of the oily wastewater were kept at 6.9 × 10 −4 mol/L and 7.0, respectively. It was found that, when CS was used as the flocculant, the residual turbidity percentage decreased to about 15% at the CS dosage of 75 mg/L.

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

Chemical fiber ,wastewater, contains ,high, organic matter content, various toxic substances, ,high, B/C and unstable, between 1000-10000mg/1, ,wastewater, treatment has poor biodegradability, ,wastewater, is ,acidic, or destructive, and contains aldehydes and cyanide Toxic substances such as benzene, benzene, etc., are likely to have toxic effects on microorganisms.

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