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Treatment of residual fracturing 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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Treatment of residual fracturing fluid
The Environmental Footprint of the Solar Industry ...
The Environmental Footprint of the Solar Industry ...

The amount of emissions released during this process differs between countries and their manufacturing systems. On average, a solar array manufactured and installed in the United States emits the equivalent of 24 grams of carbon dioxide per kilowatt-hour (g/kwH) of electricity [4] produced during the lifetime of the array.. Higher demand for solar panels, therefore, comes with a carbon ...

The 2nd National Nonferrous Metals Smelting Chemical EP ...
The 2nd National Nonferrous Metals Smelting Chemical EP ...

In order to further improve the environmental protection technology innovation level of non-ferrous metal ,smelting, and chemical ,industry, in China, focus on and improve the latest achievements of non-ferrous metal ,smelting, enterprises in ,smelting wastewater,, waste slag and waste gas resource reduction and reduction, and analyze the main links of pollutant production and pollutant discharge ...

:: WorstPolluted.org : Projects Reports
:: WorstPolluted.org : Projects Reports

If ,smelting, plants and equipment are not properly constructed to minimize the release of pollutants, lead toxins can often enter the surrounding environment and contaminate soil, water, and food. In addition, the mining process for extracting primary lead ore – if not performed with the necessary safety and environmental precautions – can create large piles of waste that contains lead toxins.

Study on Treatment of Smelting Contaminated Acid by ...
Study on Treatment of Smelting Contaminated Acid by ...

Copper ,smelting, gas producing sulfuric ,acid, process produces contaminated ,acid, which contains high concentration of fluorine, chlorine, arsenic and copper, zinc, lead, cadmium and other metals. The sulfide precipitation and lime neutralization methods have been used at present. Those methods have some deficiencies as which produces a lot of hazardous and unwieldy solid wastes, spends huge ...

Technical Patents_NFC
Technical Patents_NFC

Wastewater, membrane separation process in Lead and Zinc ,smelting industry,: ZL200910115000.5: 2011: 18: Floating scrubber: 200910115513.6: 2011: 19: Copper anode plate telescopic symmetric clamp device: 200910186018.4: 2011: 20: An ecnomic sulfur dioxide recovery and sulfuric ,acid, producing method from low concentration or discontinuous flue gas ...

Treatment of Spent Pot-lining with Aluminum Anodizing ...
Treatment of Spent Pot-lining with Aluminum Anodizing ...

Wastewaters generated by the aluminum anodizing ,industry, have been identified as a source of ,acid,, Al 3+, and caustic values that could be used for the treatment of spent pot-lining (SPL) generated in primary aluminum ,smelting,.In this paper, recovery of aluminum and fluoride values as an aluminum fluoride product that could be converted into smelter grade (SG) AlF 3 for recycling …

Technical Patents_NFC
Technical Patents_NFC

Wastewater, membrane separation process in Lead and Zinc ,smelting industry,: ZL200910115000.5: 2011: 18: Floating scrubber: 200910115513.6: 2011: 19: Copper anode plate telescopic symmetric clamp device: 200910186018.4: 2011: 20: An ecnomic sulfur dioxide recovery and sulfuric ,acid, producing method from low concentration or discontinuous flue gas ...

Zinc and Copper Recovery from Smelter Waste Stream Case Study
Zinc and Copper Recovery from Smelter Waste Stream Case Study

Keywords: metal recovery, smelter waste stream, smelter ,wastewater,, sludge elimination, recycling economy 1. Introduction / Background With resource depletion becoming a global concern and environmental regulations becoming increasingly strict, companies in the mining and ,smelting industry, …

7 Basic Principles of Industrial Wastewater Treatment ...
7 Basic Principles of Industrial Wastewater Treatment ...

Heavy metals ,smelting, industrial ,wastewater, contains various metals such as lead, cadmium. Electroplating industrial ,wastewater, contains cyanide and chromium. Oil refining industrial ,wastewater, contains phenol. Pesticide ,industry wastewater, contains various pesticides and so on. Due to industrial ,wastewater, often contains a variety of toxic ...

Experimental Research on Upgrading the Acid Wastewater ...
Experimental Research on Upgrading the Acid Wastewater ...

The ,acid wastewater, produced by gold ,smelting, was treated with oxidation-two stage coagulating sedimentation-flocculation process,the influences of oxidant amount,coagulant amount and pH value on the removal of arsenic and thallium were analyzed. The result showed the optimal conditions were 30% H 2 O 2 1. 5 g/L,FeSO 4 ·7H 2 O 4. 5 g/L,FeCl 3 3. 75 mg/L,PAM 15. 625 …

Nickel Smelting and Refining Industry - Pollution ...
Nickel Smelting and Refining Industry - Pollution ...

Article Nickel ,Smelting and Refining Industry - Pollution Prevention, Guidelines. Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines r...

ARTICLE: Addressing the Challenge of Bauxite Residue ...
ARTICLE: Addressing the Challenge of Bauxite Residue ...

The recovered caustic soda is recycled at the alumina refinery and sulfuric ,acid, is recycled in the soda recovery leaching process. 13. One of the ,acid, neutralization options is to use highly acidic ,wastewater,. For example, pickling waste liquor is a mixture of strong acids used for descaling or cleaning surfaces in the steel making ,industry,.

Treatment of Spent Pot-lining with Aluminum Anodizing ...
Treatment of Spent Pot-lining with Aluminum Anodizing ...

Wastewaters generated by the aluminum anodizing ,industry, have been identified as a source of ,acid,, Al 3+, and caustic values that could be used for the treatment of spent pot-lining (SPL) generated in primary aluminum ,smelting,.In this paper, recovery of aluminum and fluoride values as an aluminum fluoride product that could be converted into smelter grade (SG) AlF 3 for recycling in aluminum ...

The 2nd National Nonferrous Metals Smelting Chemical EP ...
The 2nd National Nonferrous Metals Smelting Chemical EP ...

In order to further improve the environmental protection technology innovation level of non-ferrous metal ,smelting, and chemical ,industry, in China, focus on and improve the latest achievements of non-ferrous metal ,smelting, enterprises in ,smelting wastewater,, waste slag and waste gas resource reduction and reduction, and analyze the main links of pollutant production and pollutant discharge ...

Emission Estimation Technique Manual
Emission Estimation Technique Manual

5.3.1 Vent Releases from ,Acid, Storage Tanks ... ,Wastewater, Treatment ... facilities engaged in the aluminium ,smelting industry,. EET MANUAL: Aluminium ,Smelting, HANDBOOK: Aluminium ,Smelting, ANZSIC CODE: 272 and 2722 The aluminium ,smelting, activities covered in this manual include:

Nonferrous Metals Manufacturing Effluent Guidelines | US EPA
Nonferrous Metals Manufacturing Effluent Guidelines | US EPA

The ,wastewater, streams generated by the ,industry, vary according to the metal extraction processes employed, but generally derive from smelter furnace and filtration residues, rinsing of materials, spent solutions, equipment cooling and air pollution controls (wet scrubbers).

Study on Treatment of Smelting Contaminated Acid by ...
Study on Treatment of Smelting Contaminated Acid by ...

Copper ,smelting, gas producing sulfuric ,acid, process produces contaminated ,acid, which contains high concentration of fluorine, chlorine, arsenic and copper, zinc, lead, cadmium and other metals. The sulfide precipitation and lime neutralization methods have been used at present. Those methods have some deficiencies as which produces a lot of hazardous and unwieldy solid …

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