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The environmental protection wastewater is slightly acidic

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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The environmental protection wastewater is slightly acidic
Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

Acid mine drainage,, ,acid, and metalliferous drainage (AMD), or ,acid, rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.. ,Acid, rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks ...

Hydrochloric Acid Storage Tanks & HCl Specifications
Hydrochloric Acid Storage Tanks & HCl Specifications

Molecularly, ,hydrochloric acid, is an inorganic ,acid solution, of the anhydrous gas dissolved in water. Upon dissolution, HCl reacts with water molecules to produce a mixture of hydronium ions, H 3 O +, and chloride ions, Cl-. The following equation demonstrates the reaction: H 2 …

Hydrochloric Acid Handbook - Occidental Petroleum
Hydrochloric Acid Handbook - Occidental Petroleum

wastewater, treatment and electric utilities, neutralization of ,alkaline, products or waste materials, and in brine acidification for use in the production of chlorine and caustic soda. Hydrochloric ,acid, is also used in many other production processes for organic chemicals. It can be used in the

Biochar technology in wastewater treatment: A critical ...
Biochar technology in wastewater treatment: A critical ...

1/8/2020, · Paper mill sludge is ,acid,-washed, rinsed with deionized distilled water to obtain mineral-free sludge (Cho et al., 2017). Algae is ,alkaline,, it is usually rinsed with fresh water and then dried, granulated or flaked before pyrolysis (Roberts and de Nys, 2016).

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