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Back flow of fracturing fluid

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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Back flow of fracturing fluid
Efficient Synthesis of α-FeOOH from Pickling Wastewater in ...
Efficient Synthesis of α-FeOOH from Pickling Wastewater in ...

The ,acid, pickling ,wastewater, requires neutralization, ,filtration,, sedimentation, and other purification processes to obtain the purified ferrous solution. First, 10 g of iron scraps was added to 500 mL of pickling ,wastewater, to neutralize the residual ,acid,. At the same time, the Fe 3+ in the solution was reduced to Fe 2+.

Biological remediation of acid mine drainage: Review of ...
Biological remediation of acid mine drainage: Review of ...

1/4/2020, · Formation of ,acid mine, drainage (AMD) is a widespread environmental issue that has not subsided throughout decades of continuing research. Highly acidic and highly concentrated metallic streams are characteristics of such streams. Humans, ,plants, and surrounding ecosystems that are in proximity to AMD producing sites face immediate threats.

Extraction and recovery of lithium | Industrial wastewater ...
Extraction and recovery of lithium | Industrial wastewater ...

Extraction and obtaining lithium Extraction from minerals. There are several different mining procedures. Australia, the biggest global producer of lithium, obtains it through conventional mining of minerals such as spodumene from Greenbush, but it's an expensive and dirty process.

"FEASIBILITY ASSESSMENT OF ACID MINE DRAINAGE AND ...

Co-treating AMD and MWW does have the potential to influence, microbial, activity in MWW treatment facilities. At the start of respiration rate trials,, microbial respiration, rates were lower than treatments without AMD, which suggests that AMD additions could influence biological processes in conventional wastewater treatment plants.

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