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Discharge of acidic wastewater into the sea

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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Discharge of acidic wastewater into the sea
ACID MINE DRAINAGE TREATMENT AND METAL REMOVAL …
ACID MINE DRAINAGE TREATMENT AND METAL REMOVAL …

The production of ,sulfide, is a major problem associated with the anaerobic ,treatment, of sulfate-rich wastewaters. The ,sulfide, produced in an anaerobic reactor is speciated as S2-, HS-, and H 2 S in solution. Among the ionized species (HS-and S2-) and non-ionized species (H 2 S), only the latter is able to pass

A Novel Approach To Prevention of Acid Rock Drainage (ARD ...
A Novel Approach To Prevention of Acid Rock Drainage (ARD ...

ARD is associated with the mining of coal, ,copper,, other base metals, and precious metals. ARD is caused by the exposure and weathering of ,sulfide, rock, chiefly the oxidation of pyrite (iron disulfide) in rocks and ores. The ARD process releases ,acid, and heavy metals into receiving streams and groundwater.

Soluble‐Sulfide precipitation for heavy metals removal ...
Soluble‐Sulfide precipitation for heavy metals removal ...

Soluble‐,Sulfide, precipitation for heavy metals removal from wastewaters. Engineering details of a ,treatment, plant scheduled to be operational in September, …

Research on Treating Acid Wastewater Containing Heavy Metal
Research on Treating Acid Wastewater Containing Heavy Metal

The mechanism of ,wastewater treatment, by SRB involves two stages: (i) Sulfate-reducing bacteria oxidize simple organic compounds (e.g. acetate, lactate, butyrate, propionate etc.) by utilizing sulfate as an electron acceptor and generating hydrogen ,sulfide, and bicarbonate ion under anaerobic

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