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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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Mineral Water Good for you
International Training Course on
International Training Course on "Mine Wastewater Treatment"

Construction of a ,Wastewater Treatment, Facility on the territory of Ellatzite ,mine, using an innovative technology of Mitsubishi Materials Techno Corporation (ММТЕС), Japan. 2012 - 2014 Construction of a Raw Vermiculite Separation Installation for production of enriched raw vermiculite and exfoliated vermiculite located in the village of Gara Elin Pelin, Sofia region.

Optimising Brewery-Wastewater-Supported Acid Mine Drainage ...
Optimising Brewery-Wastewater-Supported Acid Mine Drainage ...

Current technologies and research studies in the nexus of BW and AMD are largely focusing on (1) the use of sludge containing sulphate-reducing bacteria treating BW for the anaerobic ,treatment, of AMD in bioreactors and (2) ,mine, tailing ,treatment, in bioreactors supported by anaerobic sludge generated using BW , with no studies focusing on the BW being used directly to support a passive system for the ,treatment, …

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

22/1/2014, · Previous studies have well illustrated the importance of pH in microbial growth and activities which tend to be seen as one of the major limiting parameter for the performance of wastewater treatment systems . In addition, acid-tolerant microorganisms are viewed as being beneficial for the treatment of highly polluted wastewater from the mines or industry .

Mine Site | AQUASOL Water Treatment Solutions
Mine Site | AQUASOL Water Treatment Solutions

The growing ,significance, of water reuse: ,wastewater, has now become a resource in cities as well as in arid areas. Membranes are an ideal tool for recycling water due to their extensive abatement range. • Technical advances: membrane technology has been used in the water ,treatment, …

Zaichenko Acid Mine Drainage Lime Neutralized Sludge
Zaichenko Acid Mine Drainage Lime Neutralized Sludge

In the acid mine drainage treatment process, using lime to reduce acidity in the effluent and precipitate some heavy metals from the water, a radioactive sludge is produced and may emit radioactive gas. Several hundred of mine dumps and tailing dams, each containing millions of tonnes of waste are located along a long line of Witwatersrand.

Co-treatment of acid mine drainage with municipal ...
Co-treatment of acid mine drainage with municipal ...

Co-treatment of acid mine drainage (AMD) with municipal wastewater (MWW) using the activated sludge process is a novel treatment technology offering potential savings over alternative systems in...

Iron removal in highly contaminated acid mine drainage ...
Iron removal in highly contaminated acid mine drainage ...

Acid mine drainage (AMD), which originates from reactions between water, air, and sulfidic mine wastes, is characterized by low pH and high concentrations of sulfate and metals (Nordstrom et al. 2015). The treatment of AMD aims to increase pH and alkalinity, as well as remove metals and sulfate.

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.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

A factorial experimental design method was used to examine the “Cu2+” removal ,from acid mine drainage wastewater, by ion exchange technique. Ion Exchange technique is preferred because of reduced sludge generation compared to conventional ,treatment, techniques and better decontamination efficiency from highly diluted solutions.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

Acid mine drainage (AMD) continues to be an important water pollution problem in mining industry around the world. When sulphide/pyretic minerals are exposed to the atmosphere, in presence of water oxidation of sul-phide produces sulphuric acid and releases heavy metals and other pollutants to the drainage. When sulphide min-

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

Acid mine drainage leachate pretreatment from coal dump was studied using eggshell (ES) powder, a cheap and biocompatible waste material (Muliwa, Leswifi, & Onyango, 2018). ES demonstrated superior acid‐neutralizing potential to limestone, while its capacity in removing Mn and sulfate was limited.

International Training Course on
International Training Course on "Mine Wastewater Treatment"

Construction of a ,Wastewater Treatment, Facility on the territory of Ellatzite ,mine, using an innovative technology of Mitsubishi Materials Techno Corporation (ММТЕС), Japan. 2012 - 2014 Construction of a Raw Vermiculite Separation Installation for production of enriched raw vermiculite and exfoliated vermiculite located in the village of Gara Elin Pelin, Sofia region.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

A factorial experimental design method was used to examine the “Cu2+” removal ,from acid mine drainage wastewater, by ion exchange technique. Ion Exchange technique is preferred because of reduced sludge generation compared to conventional ,treatment, techniques and better decontamination efficiency from highly diluted solutions.

Co-treatment of acid mine drainage with municipal ...
Co-treatment of acid mine drainage with municipal ...

Co-treatment, of acid mine drainage (AMD) with, municipal wastewater, (M,WW), using the activated sludge process is a novel treatment technology offering potential savings over alternative systems in...

Acute and Chronic Toxicity of Acid Mine Drainage to the ...
Acute and Chronic Toxicity of Acid Mine Drainage to the ...

The combined ,treatment of acid mine, drainage (AMD) and municipal ,wastewater, using the activated sludge process is an innovative approach to AMD remediation. The toxicity of synthetic AMD to activated sludge was evaluated using oxygen uptake rate (OUR) inhibition tests, which showed that activated sludge can withstand high proportions of AMD (EC50 19–52% AMD by volume). The EC50 values of ...

Wastewater | AQUASOL Water Treatment Solutions | Page 2
Wastewater | AQUASOL Water Treatment Solutions | Page 2

installed to treat ,wastewater, from housing developments, resorts, lifestyle villages, caravan parks, nursing homes, ,mine, site camps and most other developments that require on-site sewage ,treatment,. The process incorporates Anaerobic and Aerobic ,Treatment, along with Return Activated Sludge to facilitate biological ,wastewater treatment, to effluent

Simultaneous removal of Fe(II) and Mn(II) from acid mine ...
Simultaneous removal of Fe(II) and Mn(II) from acid mine ...

1/11/2020, · The ,treatment of acid mine wastewater, containing Fe(II) and Mn(II) has been a hot topic in a long time. This paper studied the ,treatment of acid mine wastewater, by the electro-Fenton process. First, the effect of key parameters including initial current intensity (50−300 mA), plate spacing (0.5–3.0 cm), and initial pH (3.0–5.0), aeration rate (0−200 mL/min) were studied.

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