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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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The role of membrane technology in acid mine water ...
The role of membrane technology in acid mine water ...

The role of, membrane, technology in acid mine water treatment is discussed together with the factors that determine membrane performance for AMD treatment. The challenges of, membrane, technology in acid mine water treatment were reviewed …

Mine drainage: Treatment technologies and rare earth ...
Mine drainage: Treatment technologies and rare earth ...

Zeolite bearing tuff was an effective adsorbent with a lead removal of 99%, while AMD pH increased from 3.90 to 5.36. Acid mine drainage leachate pretreatment from coal dump was studied using eggshell (ES) powder, a cheap and biocompatible waste material (Muliwa, Leswifi, & Onyango, 2018).

Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

Constructed wetlands systems have been proposed during the 1980s to treat acid mine drainage generated by the abandoned coal mines in Eastern Appalachia. Generally, the wetlands receive near-neutral water, after it has been neutralized by (typically) a limestone-based treatment process. [30]

Hongqinghe Coal Mine Water Advanced Treatment - Water and ...
Hongqinghe Coal Mine Water Advanced Treatment - Water and ...

Leachate Treatment, is our core technology and business; meanwhile, we are also a commitment to industrial wastewater treatment. Hongqinghe coal mine water advanced treatment project is Jiarong's typical application case of industrial wastewater treatment and reduction which adopted Jiarong high concentrate system, to re-concentrate the mine water concentrate.

Treatment and reuse of coalmine wastewater in Vietnam ...
Treatment and reuse of coalmine wastewater in Vietnam ...

To this end, the aim of this study was to add microfiltration (MF) membranes after the conventional Vietnamese, coalmine wastewater, treatment systems (coagulation/sedimentation/filtration) to assess the feasibility of effluent reuse. The pilot-scale test was performed at a coalmine plant located in Quang Ninh province, Vietnam.

Stream Monitoring and Preliminary Co-Treatment of Acid ...
Stream Monitoring and Preliminary Co-Treatment of Acid ...

This study investigated coal-mine drainage (AMD) and municipal wastewater (MWW) contaminant concentrations and conducted the combined treatment in phases I and II: phase I, evaluating the effects of mixing the two based on the extent of acid neutralization and metals removal; phase II: conducting anaerobic batch reactor treatment of AMD and MWW under varying COD/sulfate ratios (0.04-5.0).

(PDF) Novel Passive Co-Treatment of Acid Mine Drainage and ...
(PDF) Novel Passive Co-Treatment of Acid Mine Drainage and ...

inoculation can be important to SRB performance (Pruden et al., 2007), the Kaldnes stage was inoculated with 100 mL Strosnider et al.: Passive Co-Treatment ,of Acid Mine, Drainage and Municipal ,Wastewater, 207 of homogenized VFB substrate from two mature passive lyzed via a Varian Vista-Pro simultaneous inductively coupled ,coal mine, AMD treatment systems in …

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

An application of the ,technology, (see Sequatchie Valley ,Coal Mine, Case Study) is a source ,treatment, of MIW. It also describes the use of electromagnetic surveys to characterize the subsurface conductivity down to 120 m and pinpoint sources ,of acid mine, drainage.

Coal Mining Effluent Guidelines | Effluent Guidelines | US EPA
Coal Mining Effluent Guidelines | Effluent Guidelines | US EPA

Wastewater, is generated during the mining process from groundwater produced during ,coal, extraction, from water used by operators for equipment cooling and dust control, and from precipitation entering mines. ,Wastewater, is also produced during the ,coal, preparation process, and from contaminated stormwater at ,coal, storage facilities.

(PDF) Novel Passive Co-Treatment of Acid Mine Drainage and ...
(PDF) Novel Passive Co-Treatment of Acid Mine Drainage and ...

TECHNICAL TECHNICAL REPORTS: WASTE MANAGEMENT REPORTS Novel Passive Co-,Treatment of Acid Mine Drainage and Municipal Wastewater, William H. J. Strosnider,* Brandon K. Winfrey, and Robert W. Nairn A laboratory-scale, four-stage continuous-flow reactor system was constructed to test the viability of high-strength ,acid mine A cid mine, drainage (AMD) and municipal ,wastewater, (MWW) are prevalent across the globe, and their ,treatment, …

Waste Water Treatment DataBase
Waste Water Treatment DataBase

Biological ,treatment of acid mine, drainage in batch reactors: Evaluation of initial pH and metal precipitation ; Colour Removal of Pulp and Paper Effluents; Clarification of Industrial Mining ,Wastewater, Using Electrocoagulation; Characterisation of ,coal, washery effluent and optimisation of coagulation behaviour of Moringa oleifera seed as a coagulant

Acid Mine Drainage - an overview | ScienceDirect Topics
Acid Mine Drainage - an overview | ScienceDirect Topics

Acid mine, drainage (,AMD,), a, waste, from, mining, sites is highly acidic, rich source of sulfate and heavy metals. Conventional, technologies, for, treatment, of, AMD, include various physicochemical methods, which involve excessive use of chemicals and capital.

Hongqinghe Coal Mine Water Advanced Treatment ...
Hongqinghe Coal Mine Water Advanced Treatment ...

Leachate Treatment is our core technology and business; meanwhile, we are also a commitment to industrial wastewater treatment. Hongqinghe coal mine water advanced treatment project is Jiarong's typical application case of industrial wastewater treatment and reduction which adopted Jiarong high concentrate system, to re-concentrate the mine water concentrate.

Acid Mine Drainage: A Reusable Water Resource | Water Tech ...
Acid Mine Drainage: A Reusable Water Resource | Water Tech ...

Such technology was recently put to use in a, coal-fired power, plant in West Virginia, which contracted to access wastewater from a large AMD reservoir at an abandoned coal mine. In addition to other processes, the plant utilized the latest advancements in surface aeration to treat the water prior to decanting to the power plant.

Acid mine drainage: Prevention treatment options and ...
Acid mine drainage: Prevention treatment options and ...

10/5/2017, · Acid mine drainage (AMD) is a major problem all over the world, especially where coal and gold mine activities are common. Once AMD is generated, it is difficult to control the process and the treatment also requires high cost ( Aguiar et al., 2016 , Baruah and Khare, 2010 , Grande et al., 2010 , Qureshi et al., 2016 ).

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