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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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extra deep well drilling residue harmless disposal technology ltd share price
JPH1147764A - Method for treating As-containing wastewater ...
JPH1147764A - Method for treating As-containing wastewater ...

SOLUTION: In a copper electrolysis plant, a copper-free electrolytic leachate subjected to copper-removal electrolysis treatment is introduced into a cone tank, mixed with a sulfuric acid plant...

CSIRO PUBLISHING | Environmental Chemistry
CSIRO PUBLISHING | Environmental Chemistry

Disturbance of these materials can lead to acidification, mobilisation of heavy metals and oxygen depletion. Knowledge of the rates of reduced ,sulfur, accumulation in salinised waterways and the speciation of the reduced ,sulfur, products is crucial for effective management of aquatic ecosystems. Abstract.

Subject:
Subject: "hazardous waste" - PubAg Search Results

Lead sulfate ,containing, residue is a hazardous waste that should be treated cleanly and efficiently for environment protection and resource sustainability. In this work, a novel reduction-,sulfurization, process using a fluidized bed reactor was investigated for treating lead sulfate ,containing, residue.

Hazardous Waste/Remediation | Research Category | Research ...
Hazardous Waste/Remediation | Research Category | Research ...

Steam Reforming of Municipal ,Wastewater, Sludge: SBIR: August 1, 1990 through April 1, 1991 68D00051: A Novel Idea for Photo-Conversion of Hazardous Chlorocarbon Industrial Wastes to Usable Hydrocarbon Fuels: SBIR: September 1, 1990 through May 1, 1993 68D00055

Magnetochemistry | Free Full-Text | Recent Advances in ...
Magnetochemistry | Free Full-Text | Recent Advances in ...

This nanocomposite was also tested against ,wastewater, from textile production ,containing, a series of dyes and it was found that only 59% of discoloration was reported. It is indicated that this reduction in the rate of degradation is due to the number of other species which would compete for active sites on the composite reducing the overall level of degradation.

Final Program
Final Program

Removal of ,Arsenic, from lead concentrate 14:00 (General J-3) Yuki TANAKA ... removal in ,wastewater, treatment using ion exchange resins ... Waseda University, Japan Mineralization by ,sulfurization, and slow-cooling for Molybdenum recovery from copper smelting slag (JP-6) Junji Miwa1, Makoto.Hirata1, Eichi.Toorisaka2: 1 ...

Spatially resolved air-water emissions tradeoffs improve ...
Spatially resolved air-water emissions tradeoffs improve ...

sulfurization Wastewater, Treatment, Tables S1 and S2, and Fig. S1. We develop process models of the ELGs’ two BATs options for FGD ,wastewater, treatment (7): CPBT (Fig. 1A) and ZLD (Fig. 1B), as described in SI Appendix, 2.1 Developing Treatment Process Inventories. These process models are …

Uptake of Heavy Metals in Batch Systems by Sulfurized ...
Uptake of Heavy Metals in Batch Systems by Sulfurized ...

Heavy metal adsorption from synthetic wastewaters was also studied to demonstrate its efficiency in removing metals from wastewaters containing other cations and anions. Metal ions, which are bounded to the SSAC, could be stripped by acidic solutions (0.2 M HCl) so that SSAC can be recycled.

Theses and Dissertations | Environmental Sciences Graduate ...
Theses and Dissertations | Environmental Sciences Graduate ...

Hao, Yue-Li (P) "Inhibition ,of acid, production in coal refuse amended with calcium sulfite and calcium sulfite-,containing, flue gas de-,sulfurization, by-products." Dr. Warren Dick Moran-Palma, Pedro (P) "Case studies on reproductive ecology of Lakeside Daisy (Hymenoxys Herbacea = H. acaulis var. glabra), and evolution of weeds in Sunflower (Helianthus annuus)."

Final Program
Final Program

Removal of ,Arsenic, from lead concentrate 14:00 (General J-3) Yuki TANAKA ... removal in ,wastewater, treatment using ion exchange resins ... Waseda University, Japan Mineralization by ,sulfurization, and slow-cooling for Molybdenum recovery from copper smelting slag (JP-6) Junji Miwa1, Makoto.Hirata1, Eichi.Toorisaka2: 1 ...

Disposal of high-arsenic waste acid by the stepwise ...
Disposal of high-arsenic waste acid by the stepwise ...

The arsenic concentrations for the waste acid usually range from 0.5 to 30 g L 1 with sulfuric acid concentrations ranged from 10 to 200 g L 1, which is the most crucial arsenic waste because of its high arsenic mobility and toxicity.3–5 Even a slight leakage of high-arsenic waste acid will cause serious arsenic pollution as well

HJ 2057-2018 PDF.
HJ 2057-2018 PDF.

This standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of lead smelting ,wastewater, treatment projects. This standard is a guiding standard. This standard is the first release. This standard was formulated by the Ministry of Ecology and Environment. This standard is mainly drafted by.

Practical Treatment Options for Carbonaceous Preg-Robbing ...
Practical Treatment Options for Carbonaceous Preg-Robbing ...

Regeneration of Ammonia and Hydrochloric ,Acid, in the Outotec Design ... Recovery of Nickel-,Containing, Coatings with Hydro-Biotechnol Removal Properties of Boron from ,Wastewater, Using Low-Crysta Analysis ... ,Sulfurization, of Mercury from Gold Production Using a Planet

Disposal of high-arsenic waste acid by the stepwise ...
Disposal of high-arsenic waste acid by the stepwise ...

The arsenic concentrations for the waste acid usually range from 0.5 to 30 g L 1 with sulfuric acid concentrations ranged, from 10 to 200 g L, 1, which is the most crucial arsenic waste because of its high arsenic mobility and toxicity.3–5 Even a slight leakage of high-arsenic waste acid will cause serious arsenic pollution as well

Theses and Dissertations | Environmental Sciences Graduate ...
Theses and Dissertations | Environmental Sciences Graduate ...

Hao, Yue-Li (P) "Inhibition ,of acid, production in coal refuse amended with calcium sulfite and calcium sulfite-,containing, flue gas de-,sulfurization, by-products." Dr. Warren Dick Moran-Palma, Pedro (P) "Case studies on reproductive ecology of Lakeside Daisy (Hymenoxys Herbacea = H. acaulis var. glabra), and evolution of weeds in Sunflower (Helianthus annuus)."

Hazardous Waste/Remediation | Research Category | Research ...
Hazardous Waste/Remediation | Research Category | Research ...

Steam Reforming of Municipal ,Wastewater, Sludge: SBIR: August 1, 1990 through April 1, 1991 68D00051: A Novel Idea for Photo-Conversion of Hazardous Chlorocarbon Industrial Wastes to Usable Hydrocarbon Fuels: SBIR: September 1, 1990 through May 1, 1993 68D00055

HJ 2057-2018 PDF.
HJ 2057-2018 PDF.

This standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of lead smelting ,wastewater, treatment projects. This standard is a guiding standard. This standard is the first release. This standard was formulated by the Ministry of Ecology and Environment. This standard is mainly drafted by.

Disposal of high-arsenic waste acid by the stepwise ...
Disposal of high-arsenic waste acid by the stepwise ...

The arsenic concentrations for the waste acid usually range from 0.5 to 30 g L−1, with sul,furic acid concentrations, range,d, from 10 to 200 g L,−1, which is the most crucial arsenic waste because of its high arsenic mobility and toxicity.3–5 Even a slight leakage of high-arsenic waste acid will cause serious arsenic pollution as well as widely safety and environmental concern.6,7

CSIRO PUBLISHING | Environmental Chemistry
CSIRO PUBLISHING | Environmental Chemistry

Disturbance of these materials can lead to acidification, mobilisation of heavy metals and oxygen depletion. Knowledge of the rates of reduced ,sulfur, accumulation in salinised waterways and the speciation of the reduced ,sulfur, products is crucial for effective …

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