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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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Recovery of Metals from Acid Mine Drainage by ...
Recovery of Metals from Acid Mine Drainage by ...

Acid mine, drainage (AMD) is a metal-rich acidic water occurring in abandoned, inactive, and active mining sites, around open-pit mining operations, and ,mine, waste sites, which poses significant environmental and economic challenges to the mining industry .

Coal-fired power plant desulfurization wastewater ...
Coal-fired power plant desulfurization wastewater ...

Plant vegetation on the ,acid, soil of abandoned mines. The Yinding Cape abandoned ,mine, treatment project is one of the ecological protection and restoration projects in the Minjiang River Basin ,in Fujian, Province. Datian has been mining for more than 700 years.

Thickener for slime water treatment in coal washing plant ...
Thickener for slime water treatment in coal washing plant ...

The Yinding Cape abandoned ,mine, treatment project is one of the ecological protection and restoration projects in the Minjiang River Basin ,in Fujian, Province. Datian has been mining for more than 700 years. The Yinding Cape ,mine, has been dug for more than 500 years, and the …

Rare earths: A review of the landscape | MRS Energy ...
Rare earths: A review of the landscape | MRS Energy ...

Reference Seredin and Dai 63 It is estimated that ,acid mine, drainage sludge from Pennsylvania and West Virginia in the United States alone could provide 45,000 tons of REE per year. 68 Avoiding or minimizing REE: substitutes

Coal-fired power plant desulfurization wastewater ...
Coal-fired power plant desulfurization wastewater ...

The Yinding Cape abandoned ,mine, treatment project is one of the ecological protection and restoration projects in the Minjiang River Basin ,in Fujian, Province. Datian has been mining for more than 700 years. The Yinding Cape ,mine, has been dug for more than 500 years, and the …

Pollution Characteristics of Sb As Hg Pb Cd and Zn in ...
Pollution Characteristics of Sb As Hg Pb Cd and Zn in ...

The soil samples were then treated as follows: 1.0 g of each soil sample was accurately weighed and placed in a 250 ml Erlenmeyer flask, heated on a hot plate (95 ± 5°C) for 10–15 minutes with 10 ml of 1 : 1 nitric ,acid, added, and then cooled for 5 minutes and heated again for 5 minutes after 5 ml of concentrated nitric ,acid, added.

Recovery of Metals from Acid Mine Drainage by ...
Recovery of Metals from Acid Mine Drainage by ...

Acid mine, drainage (AMD) is a metal-rich acidic water occurring in abandoned, inactive, and active mining sites, around open-pit mining operations, and ,mine, waste sites, which poses significant environmental and economic challenges to the mining industry .

Removal of low Sb(V) concentrations from mining wastewater ...
Removal of low Sb(V) concentrations from mining wastewater ...

Mining wastewater, was taken from the sewage outlet of the Zijin, mining, group company limited,, Fujian, province. Each of the three wastewaters a solution of 100 mg, L −1, Sb(V) was dropped to give final solutions (50 mL) having Sb(V) concentrations of either 20 μg, L −1, or 1 mg, L −1, .

Toxic waste leak at Zijinshan Gold & Copper Mine Fujian ...
Toxic waste leak at Zijinshan Gold & Copper Mine Fujian ...

On July 3, 2010, a leak from a ,wastewater, pond at Zijin Copper ,Mine, sent about 9,100 cubic meters of acidic, copper-laden water into the Ting River, killing at least 2,000 tonnes of fish. The Shanghang County Government advanced some funds to purchase all the dead fish at a price of 6 yuan/500g so as to compensate the losses of the fish farmers, and then bury the dead fish deeply for harmless treatment. [6]

Central Ecological and Environmental Protection ...
Central Ecological and Environmental Protection ...

In ,2018,, the domestic sewage treatment rate was actually less than 50%, and a large amount of sewage was discharged directly into the environment. The construction of sewage treatment capacity in Xiamen has been lagging behind for a long time, and it is required to build and expand 700,000 tons / day of sewage treatment capacity by the end of 2019.

Rare earth elements - MY SITE - Home
Rare earth elements - MY SITE - Home

A similar study conducted in a large-scale mining area located in Hetian Town of Changting County, ,Fujian, Province, Southeast China showed that REEs from mining were present in the soil, water and vegetables produced in the vicinity of the ,mine,, and these were associated with elevated concentrations in the hair and blood of local farmers (11).

2018 International Conference on Advanced Chemical ...
2018 International Conference on Advanced Chemical ...

ICACEES ,2018, June 15-16, ,2018, Guangzhou, China ISBN: 978-1-60595-571-1 ISSN: 2475-885X

Central Ecological and Environmental Protection ...
Central Ecological and Environmental Protection ...

In ,2018,, the domestic sewage treatment rate was actually less than 50%, and a large amount of sewage was discharged directly into the environment. The construction of sewage treatment capacity in Xiamen has been lagging behind for a long time, and it is required to build and expand 700,000 tons / day of sewage treatment capacity by the end of 2019.

Toxic waste leak at Zijinshan Gold & Copper Mine Fujian ...
Toxic waste leak at Zijinshan Gold & Copper Mine Fujian ...

The predecessor of Zijing Mining Group, Shanghang County Mining Company, was founded on 15 July 1986 ,in Fujian, Province. Zijin is mainly engaged in the exploration and mining of gold, copper, zinc and other mineral resources.

Immobilization of Eu and Ho from synthetic acid mine ...
Immobilization of Eu and Ho from synthetic acid mine ...

30/4/2018, · Use of lime to mitigate ,acid mine, drainage is, in general, accompanied by precipitation of iron (Fe) and aluminium (Al) (hydr)oxides which may increase the removal of trace elements from water. This work aimed to evaluate the precipitation of Fe/Al (hydr)oxides to remove rare earth elements (REE) from contaminated water and the stability of precipitates.

(PDF) Acidibrevibacterium fodinaquatile gen. nov. sp. nov ...
(PDF) Acidibrevibacterium fodinaquatile gen. nov. sp. nov ...

Abstract and Figures. A heterotrophic and acidophilic bacterial strain, G45-3T, was isolated from acidic ,mine, drainage sampled ,in Fujian, Province, PR China. Cells of strain G45-3T were Gram-stain ...

Enhanced biotreatment of acid mine drainage in the ...
Enhanced biotreatment of acid mine drainage in the ...

Acid mine, drainage (AMD), generated by the biological oxidation of metal sulfides to metal sulfates in ,mine, wastes, is characterized by low pH and high concentrations of dissolved metals and sulfates (Peng et al. 2017). AMD is extremely toxic to aquatic organisms because of its strong acidity and the solubilization of metals (Peng et al. 2017).

Effective Treatment of Acid Mine Drainage with Microbial ...
Effective Treatment of Acid Mine Drainage with Microbial ...

In order to remove contaminants on the surface, both carbon brush and carbon cloth were soaked overnight in acetone, followed by washing with distilled water and baked in a muffle furnace at 450 °C for 30 min. The dual-chamber MFC reactor was adopted to treat the simulated ,acid mine, drainage ( …

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