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Treatment of PVA wastewater under acidic conditions

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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Treatment of PVA wastewater under acidic conditions
Process Design Manual for Suspended Solids Removal
Process Design Manual for Suspended Solids Removal

5.2.1 Dry ,Alum, 5.2.1.1 Properties and Availability The commercial dry ,alum, most often used in ,wastewater, treatment is known as "filter ,alum,." and has the approximate chemical formula Al2(SO4)3*14H2Oand a molecular weight of about 600. ,Alum,, is white to cream in color and a 1 percent solution has a pH of about 3.5.

Recycling of Alum from Water Treatment Residue and Reuse ...
Recycling of Alum from Water Treatment Residue and Reuse ...

Recent studies have shown that the alum sludge is used at the concentrations of 100 - 180 mg/L to improve the removal efficiency of lead from 79% to 96% - 98% resulting in the reduction of fresh alum from 175 mg/L to 50.0 - 12.5 mg/L ( Chu, 1999 ) and to remove the hydrophobic dye from the textile wastewater at the removal efficiency of 88%, resulting in the reduction of fresh alum requirement by …

Electrocoagulation - Wikipedia
Electrocoagulation - Wikipedia

Electrocoagulation, is a technique used for ,wastewater, treatment, wash water treatment, industrially processed water, and medical treatment. ,Electrocoagulation, has become a rapidly growing area of ,wastewater, treatment due to its ability to ,remove, contaminants that are generally more difficult to ,remove, by filtration or chemical treatment systems, such as emulsified oil, total petroleum hydrocarbons, refractory organics, ,suspended, …

Aluminum salts: Aluminum chloride Aluminum nitrate ...
Aluminum salts: Aluminum chloride Aluminum nitrate ...

Aluminum sulphate (or "alum") and aluminum chloride are primarily used in municipal drinking water and wastewater treatment facilities to help remove suspended particles and bacteria from the water. The other major uses of these two salts are in industrial water and …

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