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Environmental protection treatment of fracturing flowback 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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Environmental protection treatment of fracturing flowback fluid
The Generation and Treatment of Acid Mine Drainage ...
The Generation and Treatment of Acid Mine Drainage ...

The paper analyses the major harm and the forming mechanism ,of acid mine, drainage (AMD). Explain the treatment technology ,of acid mine, drainage respectively from physical, chemical and biological aspects, and discuss the advantages and defects of various methods.

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · Therefore, ,wastewater, may need to be measured for a variety of metals at different concentrations, in different ,wastewater, matrices. A variety of inorganic techniques can be used to measure trace elements in ,waste water, including atomic absorption spectrometry (AAS), inductively coupled plasma optical emission spectrometry (ICP-OES) and ICP mass spectrometry (ICP-MS).

Influence of Extremophiles on the Generation of Acid Mine ...
Influence of Extremophiles on the Generation of Acid Mine ...

Keywords: ,acid mine, drainage; biooxidation studies; Pan de Azúcar ,mine, 1. Introduction ,Acid mine, drainage (AMD) is a highly acidic ,wastewater, rich in heavy metals and metalloids. Its ,generation, at abandoned and operating mining sites is a serious environ-mental problem since it can affect the surrounding ecosystems, human infrastructure, and

Alkalinity Generation in a Novel Multi-stage High-strength ...
Alkalinity Generation in a Novel Multi-stage High-strength ...

Passive co-treatment of high-strength ,acid mine, drainage (AMD) and municipal ,wastewater, (MWW) was examined in a laboratory-scale, four-stage continuous flow reactor system with a total residence time of 6.6 d. Synthetic AMD of pH 2.60 and an acidity of 1,870 mg/L (as CaCO3) was mixed at a 1:2 ratio with raw MWW (pH 7.67, 288 mg/L alkalinity (as CaCO3), and 265 mg/L BOD5) from the City of ...

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

Acid mine, water is one of the most significant pollution sources of surface ... One of HDS process disadvantage is ,generation, of sludge with high viscosity level, ... The influent of HDS installation was the one used by ,wastewater, treatment plant – Ilba – Alunis – Asecare mineshaft.

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

Acid mine, water is one of the most significant pollution sources of surface ... One of HDS process disadvantage is ,generation, of sludge with high viscosity level, ... The influent of HDS installation was the one used by ,wastewater, treatment plant – Ilba – Alunis – Asecare mineshaft.

Fe and Mn phytoremediation of acid coal mine ...
Fe and Mn phytoremediation of acid coal mine ...

Acid Mine, Drainage (AMD) is a ,wastewater, formed through a series of chemical reactions and biological activities during and after open-pit system coal exploitation. Coal containing sulfide in the presence of oxygen and air is oxidized to form sulfuric ,acid,, thus having a pH<4.

Acid Mine Drainage
Acid Mine Drainage

Acid Mine, Drainage Environmental Notes on Mining, updated September 2009 Pyrite ... AMD is a specific type of ,wastewater,, which arises in mining of sulphidic ores, ore tailings ... The ABA evaluates the balance between ,acid generation, processes and ,acid, neutralizing processes.

Review on biological wastewater treatment and resources ...
Review on biological wastewater treatment and resources ...

Anaerobic biological treatment ,of acid mine, drainage from abandoned mines using SRB has shown nearly 99.2% effective removal of copper, zinc, and nickel (Sierra-Alvarez et al. 2006). The use of suspended biological methods for bioremediation of ,wastewater, and resources recovery is an eco-friendly and cost-efficient way.

Constructed Wetlands for Treating Acid Mine Drainage
Constructed Wetlands for Treating Acid Mine Drainage

Acid mine, drainage occurs when sulfide oxidation in rock reacts with water and air creating ... conditions for wetlands treating ,wastewater,. 2. Slope is an important factor to consider in wetland design. Brooks (1984) ... Chemicals can be used that reduce bacteria that catalyze the ,acid,-,generation, of AMD (Durkin & Herrmann 1994).

A New Generation of Water and Wastewater Treatment for ...
A New Generation of Water and Wastewater Treatment for ...

Treating ,Wastewater, for Worker Housing in New Mexico. Consider one Fluence project at a temporary oilfield workforce housing encampment in Carlsbad, New Mexico. Like many camps in the Permian Basin, the desert camp was finding it difficult to safely handle its ,wastewater,, and more than 140 housing installations in the same county had already been cited as noncompliant.

Acid Mine Drainage
Acid Mine Drainage

Acid Mine, Drainage Environmental Notes on Mining, updated September 2009 Pyrite ... AMD is a specific type of ,wastewater,, which arises in mining of sulphidic ores, ore tailings ... The ABA evaluates the balance between ,acid generation, processes and ,acid, neutralizing processes.

Office of Wastewater Management - Hardrock Mining ...
Office of Wastewater Management - Hardrock Mining ...

Acid generation, and drainage affect both surface water and groundwater. The sources of surface water contamination are leachate from ,mine, openings, seepage and discharges from waste rock, tailings, ground water seepage, and surface water runoff from waste rock and tailings piles.

Organotrophic acid-tolerant microorganisms enriched from ...
Organotrophic acid-tolerant microorganisms enriched from ...

15/8/2019, · Organotrophic ,acid,-tolerant microorganisms enriched from an ,acid mine, drainage affected environment as inoculum for ... are usually enriched from microbial consortia of municipal ,wastewater, treatment plants and other circumneutral and ... polarization curves showed power-,generation, levels of 2.4 ± 0.2 mW m-2 and 0.4 ...

Fe and Mn phytoremediation of acid coal mine ...
Fe and Mn phytoremediation of acid coal mine ...

Acid Mine, Drainage (AMD) is a ,wastewater, formed through a series of chemical reactions and biological activities during and after open-pit system coal exploitation. Coal containing sulfide in the presence of oxygen and air is oxidized to form sulfuric ,acid,, thus having a pH<4.

Acid Mine Drainage: Innovative Treatment Technologies
Acid Mine Drainage: Innovative Treatment Technologies

1.2.1 ,Acid Generation, and Metals Leaching ,Acid generation, and metals dissolution are the primary problems associated with pollution from mining activities. The chemistry of these processes appears fairly straightforward, but becomes complicated quickly as geochemistry and physical characteristics can vary greatly from site to site.

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