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wastewater treatment systems residential

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 treatment systems residential
Minerals | Free Full-Text | The Use of Mining Waste ...
Minerals | Free Full-Text | The Use of Mining Waste ...

Acid ,mine, drainage (AMD) is characterized by a low ,pH, (~3), high zinc concentration (~750 mg·L−1), and high sulfate content (~6800 mg·L−1). On the other hand, the determinations made for flotation ,wastewater, showed, among others, a ,pH, of approximately 12 and ca. 780 mg·L−1 of sulfates.

Study on the treatment of acid mine wastewater by coal fly ash
Study on the treatment of acid mine wastewater by coal fly ash

Acid mine, drainage with a ,pH, in the range of about 2.5-4 and containing radionuclides (mainly uranium and radium), heavy metals (copper, zinc, cadmium, lead, nickel, cobalt, iron, manganese ...

Comprehensive review on wastewater discharged from the ...
Comprehensive review on wastewater discharged from the ...

Acidic ,mine, water and leachates can be treated using passive bioreactors with microbial activity, different organic substrates and limestone drains. Additionally bio-electrochemical systems, membranes, macrocapsules, zeolite filters, ores, physical barriers, and aquatic …

Mine wastewater treatment by highly calcareous and ...
Mine wastewater treatment by highly calcareous and ...

Mine wastewater treatment by highly calcareous and siliceous fly, ash: ... more efficient in neutralizing ,acid mine, water drainage, achieving ,pH,=7 within short ... ,pH 0.5, 4.95 10 3.55 24 3.48 25 3.45 48 3.20 72 3.17 96 3.07 . RESULTS AND DISCUSSION Fly ash ...

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Road West, North Branch, Jingkai Road, Puyang City