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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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hazardous waste treatment
Feasibility of Utilizing Acid Mine Drainage Sludge in an ...
Feasibility of Utilizing Acid Mine Drainage Sludge in an ...

Kinetics and ,Microbial, Ecology of Sulfidogenic Reactors for Co-,treatment, of Municipal ,Wastewater, and ,Acid Mine, Drainage, J. of Hazardous Materials, 305(15), 200-208. Deng, D., Lin, O., Rubenstein, A., Weidhaas, J. and Lin, L.-S. (2018). Elucidating biogeochemical transformations of Fe and S in an innovative iron-dosed anaerobic ,wastewater, ...

Development of Innovative Wastewater Treatment ...
Development of Innovative Wastewater Treatment ...

Acid mine drainage (AMD) and municipal wastewater (MWW) are two major pollution sources in headwaters of Appalachia and energy producing regions worldwide. Incorporating the prevalent chemistry of the two wastes in designing treatment technologies for concurrent management of the wastes can provide multi-faceted benefits.

Comparative Analysis of Brewing Wastewater and Lactate as ...
Comparative Analysis of Brewing Wastewater and Lactate as ...

Comparative Analysis of Brewing Wastewater and Lactate as Carbon Sources for Microbial Community Treating Acid Mine Drainage in Anaerobic MBBR Systems - PubMed. This study investigated the effect of carbon sources (n = 2) on the performance of a microbial community in an anaerobic moving bed biofilm reactors (MBBR) treating acid mine drainage (AMD).

Wetland Use in Acid Mine Drainage Remediation
Wetland Use in Acid Mine Drainage Remediation

20/11/2005, · wastewater control features and become flooded over time. The ensuing highly acidic (pH~3) wastewater is laden with toxic heavy metals (Gibert et al. 2004). One method used to treat acid mine drainage is to divert water through wetlands. In wetlands, increasing pH and alkalinity influences heavy metal concentrations, while microbial and

Comparative Analysis of Brewing Wastewater and Lactate as ...
Comparative Analysis of Brewing Wastewater and Lactate as ...

Comparative Analysis of Brewing Wastewater and Lactate as Carbon Sources for Microbial Community Treating Acid Mine Drainage in Anaerobic MBBR Systems - PubMed. This study investigated the effect of carbon sources (n = 2) on the performance of a microbial community in an anaerobic moving bed biofilm reactors (MBBR) treating acid mine drainage (AMD).

Biological Source Treatment of Acid Mine Drainage Using ...
Biological Source Treatment of Acid Mine Drainage Using ...

Microcosm studies in the laboratory demonstrate that sufficient dosages of ,wastewater, effluent (,microbial, inoculum) and returned milk (substrate) can effectively raise the pH of pyrite-amended ,acid mine, drainage water to circumneutral levels under aerobic conditions in as little as 7 days, and the pH remains at these levels for >19 months. ,Microbial, analysis indicates that a complex biofilm ...

Microbial Mats – Munirem Environmental
Microbial Mats – Munirem Environmental

Microbial Mats. MMATS passively treats municipal wastewater, industrial wastewater, agricultural wastewater, landfill leachate, acid mine drainage, and rapid biosorption and degradation of organics and inorganic contaminants in wastewater. Our technology traps greenhouse gases and allows for the rapid bio-conversion of carbon dioxide into ...

Evaluation and optimization of a new microbial enhancement ...
Evaluation and optimization of a new microbial enhancement ...

application of ,microbial, enhancement-lime neutralization passive ,treatment, technology for AMD. 1. Introduction Sul de minerals in spent ore and ,mine, tailings will oxidize when exposed to air and moisture during or a er the processes of mining and bene ciation. Therefore, ,acid mine, drainage

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

15/8/2019, · In this study, a ,microbial, community previously enriched from ,acid mine, drainage (AMD) sediments was used as inoculum in single-chamber MFCs operated at pH 3.7. The power obtained from the AMD-derived inoculum reached 1 mW m-2 (27.1 ± 7.8 mV with 1 kΩ external resistance), which compares to previous MFC studies operated under low-pH conditions.

Evaluation and optimization of a new microbial enhancement ...
Evaluation and optimization of a new microbial enhancement ...

application of ,microbial, enhancement-lime neutralization passive ,treatment, technology for AMD. 1. Introduction Sul de minerals in spent ore and ,mine, tailings will oxidize when exposed to air and moisture during or a er the processes of mining and bene ciation. Therefore, ,acid mine, drainage

Effective acid and metals treatment in tailings dams ...
Effective acid and metals treatment in tailings dams ...

The raw ,wastewater, analyses, ,treatment, targets and outcomes are shown in Table 1. The results in the table show that despite the tailings dam continuing to receive metal-contaminated ,wastewater, and tailings, ,Acid, B reagent was able to produce treated water with metal concentrations well below the targets.

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.

Evaluation and optimization of a new microbial enhancement ...
Evaluation and optimization of a new microbial enhancement ...

application of ,microbial, enhancement-lime neutralization passive ,treatment, technology for AMD. 1. Introduction Sul de minerals in spent ore and ,mine, tailings will oxidize when exposed to air and moisture during or a er the processes of mining and bene ciation. Therefore, ,acid mine, drainage

Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

Acid mine drainage,, ,acid, and metalliferous drainage (AMD), or ,acid, rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.. ,Acid, rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks ...

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

“,Microbial, Alkalinity Production to Prevent Reacidification of Neutralized Mining Lakes,” ,Mine, Water and the Environment 25(4): 204–13. This Web site is owned by ITRC • www.itrcweb.org 1250 H Street, NW • Suite 850 • Washington, DC 20005 • P: 202-266-4920 • F: 202-266-4937 • Sponsored by Environmental Council of the States

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

Wastewater treatment by biological methods is becoming more important in the light of recovering value-added plant nutrients, heavy metals, biosolids, and bioenergy resources. Different types of solid contaminants in effluents can be removed simultaneously by pure cultures or mixed microbial consortia.

Microbial Diversity of Emalahleni Mine Water in South ...
Microbial Diversity of Emalahleni Mine Water in South ...

22/1/2014, · The present study aims firstly at determining the ,microbial, diversity of ,mine,-water collected in Emalahleni, South Africa and secondly isolating and characterizing the most dominant bacterial species found in the ,mine, water in terms of its resistance to both V 5+ and Ni 2+ in a modified ,wastewater, liquid media. The results revealed a ,microbial, diversity of 17 orders, 27 …

Biological Source Treatment of Acid Mine Drainage Using ...
Biological Source Treatment of Acid Mine Drainage Using ...

Microcosm studies in the laboratory demonstrate that sufficient dosages of ,wastewater, effluent (,microbial, inoculum) and returned milk (substrate) can effectively raise the pH of pyrite-amended ,acid mine, drainage water to circumneutral levels under aerobic conditions in as little as 7 days, and the pH remains at these levels for >19 months. ,Microbial, analysis indicates that a complex …

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