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Is industrial wastewater generally acidic or alkaline

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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Is industrial wastewater generally acidic or alkaline
(PDF) Treatment of Dairy Processing Wastewaters | chindia ...
(PDF) Treatment of Dairy Processing Wastewaters | chindia ...

Final wastewater polishing after biological treatment usually involves chemical treatment of the wastewater with calcium, iron, or aluminum salts to remove dissolved nutrients such as …

Principle and Process of Heavy Metal Removal from Sewage ...
Principle and Process of Heavy Metal Removal from Sewage ...

This study shows that heavy metals in ,sewage sludge, can be removed easily by ,treating, a sludge filter cake with phosphoric ,acid, containing hydrogen peroxide for 1 h at room temperature. Phosphoric ,acid, of 8% concentration with hydrogen peroxide showed good removal rates of heavy metals comparable to those by 1 N hydrochloric ,acid,.

Photocatalytic Degradation of Wastewater by Molecularly ...
Photocatalytic Degradation of Wastewater by Molecularly ...

27/1/2020, · The obtained ,powder, was characterized by XRD and other ... activity of pure TiO 2, thereby enhancing its capability ,of treating wastewater, ... ,acid, (EDTA) is a widely ...

ADSORPTION OF TOXICANTS (CHROMIUM IRON AND OXALIC ACID …
ADSORPTION OF TOXICANTS (CHROMIUM IRON AND OXALIC ACID …

weight ratio and then vaccum filtered. The mixture of ,powder, and sulphuric ,acid, was then dried in oven at 150oC for 24 hours. The carbonized material was then washed with distilled water to remove free acids and then dried in hot air oven at 150oC for 3 hours to form activated carbon. Fig 2.2: Tamarind seed ,powder

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