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Desanding of fracturing flowback fluid

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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Desanding of fracturing flowback fluid
Cumulative Effect and Content Variation of Toxic Trace ...
Cumulative Effect and Content Variation of Toxic Trace ...

The Cu content in the water of the Le’an River flowing through ,Dexing Copper Mine, in Jiangxi Province is positively correlated with the Cu content in children’s hair along the river. The trace element content in children’s hair is consistent with the ,pollution, status and the regularity of pollutant reduction in the river [ 27 ].

Selective removal Pb( ii ) ions form wastewater using Pb ...
Selective removal Pb( ii ) ions form wastewater using Pb ...

The ,copper mine wastewater, came from ,Dexing Copper Mine, in Jiangxi, in which suspending white floccule and solid particle (Fig. S2†) with a series of other metal ions such as Cu(II), Zn(II), Co(II) and Ni(II) at pH of 2.30. In addition, we added Pb(NO 3) 2 into the real ,wastewater, until the concentration of Pb(II) to 400 mg L −1 due to no Pb(II) ion.

Phytostabilization of Mine Tailings in Arid and Semiarid ...
Phytostabilization of Mine Tailings in Arid and Semiarid ...

For example, Pond et al. (2005) examined both circumneutral and acidic ,copper mine, tailings from Arizona in a simulated weathering study. Addition of biosolids decreased concentrations of ,copper,, nitrate, and sulfate in leachate from the acidic tailings sample but slightly increased ,copper, and arsenic in leachate from the circumneutral sample compared with concentrations in unamended …

Leaching of heavy metals from Dexing copper mine tailings ...
Leaching of heavy metals from Dexing copper mine tailings ...

Leaching of heavy metals from ,Dexing copper mine, tailings pond Trans. Nonferrous Met. Soc. China 23(2013) 3068−3075 Leaching of heavy metals from ,Dexing copper mine, tailings pond Yao-guang GUO, Peng HUANG, Wu-gan...

Genomic and phenotypic heterogeneity of Acidithiobacillus ...
Genomic and phenotypic heterogeneity of Acidithiobacillus ...

Acid, drainage from ,copper mine,, ... DX-1 Effluent from wastes of ,Dexing copper mine,, Jiangxi, China ... such as degree of pollution, substrate type and strength of toxic metal ions, can influence the structural changes in chromosomal DNA of Acidithiobacillus strains ...

Effects of copper mining on heavy metal contamination in a ...
Effects of copper mining on heavy metal contamination in a ...

Abstract. Metallic ore mining causes heavy metal ,pollution, worldwide. However, the fate of heavy metals in agrosystems with long-term contamination has been poorly studied. Dongchuan District (Yunnan, southwest China), located at the middle reaches of the Xiaojiang River, is a well-known 2000-year-old ,copper, mining site.

Leaching of heavy metals from Dexing copper mine tailings ...
Leaching of heavy metals from Dexing copper mine tailings ...

The ,wastewater, source of 4# tailing pond ,in Dexing copper mine, consists of alkaline flotation pulp and ,acid mine, drainage (AMD) from the nearby opencast ,mine,.

Concentration and pollution assessment of heavy metals ...
Concentration and pollution assessment of heavy metals ...

11/9/2019, · Raohe Basin is one of the five major watersheds in Poyang Lake and is affected by its upstream ,Dexing copper, mining and other heavy industrial pollution. Consequently, the soil and water ...

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

Similarly, Guo et al. [9] reported that the, Dexing Copper Mine, located in, Dexing, city, Jiangxi province, China, discharged more than 4 10 4 tons of, acidic mine wastewater, (AMD) everyday, which seriously polluted the soil and various natural water sources downstream of this mine.

Leaching of heavy metals from Dexing copper mine tailings ...
Leaching of heavy metals from Dexing copper mine tailings ...

1/10/2013, · According to incomplete statistics, there are more than 4×10, 4 t, of acid mine drainage(AMD) and 3.32×10 5 t of alkaline flotation wastewater discharged out of Dexing copper mine each day, while about 1.3×10, 4 t of AMD, are poured into the 4# tailing pool [2].

Concentration and pollution assessment of heavy metals ...
Concentration and pollution assessment of heavy metals ...

11/9/2019, · Raohe Basin is one of the five major watersheds in Poyang Lake and is affected by its upstream ,Dexing copper, mining and other heavy industrial ,pollution,…

PAPER OPEN ACCESS Experimental study on oxidation ...
PAPER OPEN ACCESS Experimental study on oxidation ...

acidic mine wastewater were analyzed by performing oxidation dissolution experiments of iron pyrite which was collected from an industrial mine site. The water-rock interaction law of acidic mine wastewater in ore layers is discussed. This work …

Selective removal Pb( ii ) ions form wastewater using Pb ...
Selective removal Pb( ii ) ions form wastewater using Pb ...

The ,copper mine wastewater, came from ,Dexing Copper Mine, in Jiangxi, in which suspending white floccule and solid particle (Fig. S2†) with a series of other metal ions such as Cu(II), Zn(II), Co(II) and Ni(II) at pH of 2.30. In addition, we added Pb(NO 3) 2 into the real ,wastewater, until the concentration of Pb(II) to 400 mg L −1 due to no Pb(II) ion.

Effects of copper mining on heavy metal contamination in a ...
Effects of copper mining on heavy metal contamination in a ...

28/2/2019, · Abstract. Metallic ore mining causes heavy metal pollution worldwide. However, the fate of heavy metals in agrosystems with long-term contamination has been poorly studied. Dongchuan District (Yunnan, southwest China), located at the middle reaches of the Xiaojiang River, is a well-known 2000-year-old ,copper, mining site.

Phytostabilization of Mine Tailings in Arid and Semiarid ...
Phytostabilization of Mine Tailings in Arid and Semiarid ...

Mine, tailings disposal sites from either inactive or abandoned ,mine, sites are prevalent in arid and semiarid regions throughout the world. Major areas include northern Mexico and the Western United States, the Pacific coast of South America (Chile and Peru), southwestern Spain, western India, South Africa, and Australia (Munshower 1994; Tordoff et al. 2000).

Bioremediation of cadmium-contaminated paddy soil using an ...
Bioremediation of cadmium-contaminated paddy soil using an ...

recent years.20–23 In particular, the strains isolated from ,acid mine, drainages (AMD) were commonly regarded as available microbial agents for bioleaching. In a previous study, we discovered more than 23 strains of bioleaching microbial species isolated from AMD from ,Dexing copper mine, (Jiangxi, China), Zijinshan ,Copper Mine, (Fujian, China) and Zambia's

(PDF) Environmental quality assessment on a river system ...
(PDF) Environmental quality assessment on a river system ...

A tributary, the Dawu River (14 km long, 0.3-1.5 m/s of current velocity), running through the ,Dexing, Cu ,Mine,, receives a large number of effluents, including ore and tailing seepage, acidic ,wastewater, (pH $2.4) from weathering of solids and alkaline ,wastewater, (pH $ 12) from ore dressing. Then it flows into the Lean River at site A04.

Bioremediation of cadmium-contaminated paddy soil using an ...
Bioremediation of cadmium-contaminated paddy soil using an ...

recent years.20–23 In particular, the strains isolated from ,acid mine, drainages (AMD) were commonly regarded as available microbial agents for bioleaching. In a previous study, we discovered more than 23 strains of bioleaching microbial species isolated from AMD from ,Dexing copper mine, (Jiangxi, China), Zijinshan ,Copper Mine, (Fujian, China) and Zambia's

Leaching of heavy metals from Dexing copper mine tailings pond
Leaching of heavy metals from Dexing copper mine tailings pond

than 4×104, t, of, acid mine, drainage(,AMD,) and 3.32×105 t of alkaline flotation wastewater discharged out of, Dexing copper mine, each day, while about 1.3×104, t, of, AMD, are poured into the 4# tailing pool [2]. Nevertheless, the amount of, AMD, is closely related to rain season, which is rich in summer but poor in winter. The fluctuation in

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