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

applications. Microorganisms, which remove metals from ,mine, drainage, ,can, be added to AMD afflicted areas (Durkin & Herrmann 1994). This process ,can, provide positive results, but may ,not, be effective in treating large amounts of AMD. Drainage ,can, be collected and ,treated, using passive or active treatment systems (Durkin & Herrmann 1994).

Technical note The formulation of synthetic domestic ...
Technical note The formulation of synthetic domestic ...

Keywords: acid mine drainage,, synthetic domestic wastewater, sludge, sulphates, COD INTRODUCTION Industrial and mine wastewater is acidic in nature that contains sulphur, pyrite and other heavy metals and is generally referred to as acid mine drainage (AMD) (Geremias et al., 2003). AMD is formed during biological and chemical oxidation of the

Acid mine drainage reduces radioactivity in fracking waste
Acid mine drainage reduces radioactivity in fracking waste

Acid mine, drainage flows out of abandoned coal mines into many streams in the Appalachian Basin. It ,can, be highly toxic to animals, plants and humans, and affects the quality of hundreds of ...

MaxH O DESALTER technology treats calcium sulphate ...
MaxH O DESALTER technology treats calcium sulphate ...

the RO brine osmotic pressure, ,not, supersaturation of calcium sulphate. This paper presents the results from a recent pilot conductedwith ,acid mine, drainage ,wastewater,. The results show that the system ,can, reach recovery of over 90%, at which the a calcium sulphate saturation index theoretically reaches over 3,000%, whichtypically leads to

Acid Mine Drainage - waterwise.co.za
Acid Mine Drainage - waterwise.co.za

tips ,can, have too much ,acid, and it is ,treated, as ,acid, rock drainage. Mining ... Is there a Solution to ,Acid Mine Drainage,? ,Acid mine drainage can, be controlled but it is very expensive to do so. A few examples of solutions are: the construction of ,wastewater, treatment plants; construction of wetlands; ...

MaxH O DESALTER technology treats calcium sulphate ...
MaxH O DESALTER technology treats calcium sulphate ...

the RO brine osmotic pressure, ,not, supersaturation of calcium sulphate. This paper presents the results from a recent pilot conductedwith ,acid mine, drainage ,wastewater,. The results show that the system ,can, reach recovery of over 90%, at which the a calcium sulphate saturation index theoretically reaches over 3,000%, whichtypically leads to

Repurposing: Acid Mine Drainage Reduces Natural ...
Repurposing: Acid Mine Drainage Reduces Natural ...

A new study may have a solution for both ,acid mine, drainage and natural radioactivity in hydraulic fracturing – fracking – ,wastewater, that ,can, be found in 'flowback fluid.' In hydraulic fracturing, water is injected at high pressure down wells to crack open shale deposits buried deep underground and extract the natural gas trapped within the rock.

Industrial acid mine drainage and municipal wastewater co ...
Industrial acid mine drainage and municipal wastewater co ...

11/5/2020, · The acid mine water or industrial acid mine drainage (I-AMD), also known as acid rock drainage is one of the most serious and hazardous environmental challenges caused by mining. Two physicochemical characteristics which make I-AMD so hazardous are: an extremely acidic, pH (<4), and a high concentration of heavy metals ( HM s) [ 3 , 4 ].

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

The scale of ,mine wastewater, treatment must be reasonably determined, and the water quality of the ,treated, water should ,not, fluctuate too much. Set up a regulating pool and a regulating reservoir, and collect the water first, and then treat it. ,Mine wastewater, is sulfuric ,acid, type ,wastewater,, with a general pH of 1.6. Such a low sulfuric ...

Can Mine Drainage be Used to Treat Fracking Waste Water ...
Can Mine Drainage be Used to Treat Fracking Waste Water ...

DURHAM, NC – Much of the naturally occurring radioactivity in fracking ,wastewater, might be removed by blending it with another ,wastewater, from ,acid mine, drainage, according to a Duke University-led study.. ,Can, two wrongs make a right? “ Fracking ,wastewater, and ,acid mine, drainage each pose well-documented environmental and public health risks. But in laboratory tests, we found that by ...

Mine Waste Transfer and Disposal Methods - Mine Tailings ...
Mine Waste Transfer and Disposal Methods - Mine Tailings ...

Mine, wastes found in quarry lagoons ,can, be problematic due to the fact they contain hazardous material that ,can, be released into the environment if ,not, properly handled. Some of these hazardous materials include heavy metals, metalloids, radioactive waste, acidic water, and process chemicals.

Wastewater Management | Encyclopedia.com
Wastewater Management | Encyclopedia.com

Acid mine, drainage has severely damaged more than half the streams in Pennsylvania and West Virginia. There are at least 200,000 abandoned mines throughout the United States that produce ,acid mine, drainage. ,Acid mine, drainage ,can be treated, using chemical treatments that decrease the acidity of the water, and allow the heavy metals to ...

How to Control Pollution in Mining Industry?
How to Control Pollution in Mining Industry?

General water quality characteristics of acidic ,mine, waters is given In Table 33.3. Acidic waters to be used for industrial and other purposes or before discharging are usually ,treated, by neutralisation. Alkaline material (lime/limestone) is mixed to neutralise the ,acid, and precipitate the …

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

The scale of ,mine wastewater, treatment must be reasonably determined, and the water quality of the ,treated, water should ,not, fluctuate too much. Set up a regulating pool and a regulating reservoir, and collect the water first, and then treat it. ,Mine wastewater, is sulfuric ,acid, type ,wastewater,, with a general pH of 1.6. Such a low sulfuric ...

Bioremediation of acid mine drainage coupled with domestic ...
Bioremediation of acid mine drainage coupled with domestic ...

Biological sulfate reduction, has become an alternative to the classical physicochemical methods. In this study,, domestic wastewater (DW), was tested as a cost-effective carbon-source for the...

Mine Waste Transfer and Disposal Methods - Mine Tailings ...
Mine Waste Transfer and Disposal Methods - Mine Tailings ...

Mine, wastes found in quarry lagoons ,can, be problematic due to the fact they contain hazardous material that ,can, be released into the environment if ,not, properly handled. Some of these hazardous materials include heavy metals, metalloids, radioactive waste, acidic water, and process chemicals.

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