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wastewater solutions inc

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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wastewater solutions inc
Phosphorus removal by acid mine drainage sludge from ...
Phosphorus removal by acid mine drainage sludge from ...

1/7/2008, · Metal leaching experiments were carried out to determine if metals were leaching from the AMD sludge during adsorption. The tests were performed by agitating a 500 mL sample of orthophosphate solution dosed with ,0.5, g AMD sludge for 1 h at a ,pH, …

MBAS assay - Wikipedia
MBAS assay - Wikipedia

A methylene blue active substances assay, or ,MBAS assay,, is a colorimetric analysis test method that uses methylene blue to detect the presence of anionic surfactants (such as a detergent or foaming agent) in a sample of water.An anionic ,surfactant, detected by the color reaction is called a methylene blue active substance (MBAS).. After first acidifying a water sample (with boric ,acid,, for ...

Cleaning Guides | Koch Separation | Download Cleaning Guides
Cleaning Guides | Koch Separation | Download Cleaning Guides

Blend of citric ,acid,, lactic ,acid, & ,surfactant,: Minerals & metal oxides: Liquid: 5gal, 55gal: KOCHKLEEN 230: Food, dairy & beverage: Blend of caustic soda & ,surfactant,: Fat, oil & grease: ... Industrial & municipal water & ,wastewater, – RO/NF: Blend of organic ,acid, & chelating agent: Minerals & metal oxides: Powder: 45 lb, 450 lb: KOCHKLEEN P-11:

The effect of acidic pH and presence of metals as ...
The effect of acidic pH and presence of metals as ...

The initial ,pH, of the synthetic drainage was progressively set from 7.0 to 4.0 to make it as close as possible to that of real acid ,mine, drainage. Metals were also added starting with iron, zinc, and finally copper. The effectiveness of sulfate and COD removal from the synthetic acid ,mine, drainage increased as the initial ,pH, was reduced.

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