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How to treat acid mine wastewater

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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How to treat acid mine wastewater
WT37-Removal of Mn(II) from the Acid Mine Wastewaters ...
WT37-Removal of Mn(II) from the Acid Mine Wastewaters ...

Acid mine wastewater, (AMW), the ,wastewater, from mining activities which has low ,pH, about 3-5 and contains hazardous heavy metals such as Cu, Fe, Mn, Zn, Pb, etc. Those heavy metals pollution is of prime concern from the environmental view point. Among the heavy metals, Mn occupies the third position in the AMW from one the iron ore mining company in

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 …

The effect of acidic pH and presence of metals as ...
The effect of acidic pH and presence of metals as ...

The initial ,pH, of the synthetic drainage was progressively set from 7.0 to 4.0 to make it as close as possible to that of real ,acid mine, drainage. Metals were also added starting with iron, zinc, and finally copper. The effectiveness of sulfate and COD removal from the synthetic ,acid mine, drainage increased as the initial ,pH, was reduced.

PILOT SCALE STUDY ON ACID MINE WATER TREATMENT USING …
PILOT SCALE STUDY ON ACID MINE WATER TREATMENT USING …

− ,pH, of R1 tank (mixing of ,mine, water and recirculated sludge): 7.46/6.86 − ,pH, of the first treatment phase (R2): 8.75; − ,pH, of the second treatment phase (R3): 9.47/9.51; − HRT: 56/34 min (for each tank); − Dry weight of the sludge from the settler: 13.1/11.9%; − Solids generating: 2.5/2.5 kg dry weight/m3 (2.5/2.5 kg d.w. /m3);

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