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Treatment of acid wastewater by sodium sulfide

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 acid wastewater by sodium sulfide
Constructed Wetlands Part II Acid Mine Drainage
Constructed Wetlands Part II Acid Mine Drainage

TITLE ,Acid mine, water treatment in wetlands: an overview of an emergent technology. AUTHOR Kleinmann, R.L.P. and M.A. Girts. ,SOURCE, Aqutic Plants for Water Treatment and Resource Recovery. PUBLISHER Orlando, FL: Magnolia Publishing PAGES pp. 255-261 DATE 1987 CALLNUM

The Ultimate Guide to Wastewater Treatment
The Ultimate Guide to Wastewater Treatment

By recovering metals from ,wastewater, in a pure form, they can be recycled within the manufacturing process or sold to generate revenue to offset treatment costs. Furthermore, treating so-called 'bleed streams' in this way allows for the recycling of the effluent decreasing the need for fresh water and chemicals such as ,acid,, caustic, etc.

Britannia Acid Mine Water Treatment Plant
Britannia Acid Mine Water Treatment Plant

Britannia ,Mine, was once the largest producer of copper in the British Empire. After closure, it suffered three decades of decline, becoming the worst point ,source, of metal pollution in North America. This contamination rendered the nearby watercourses devoid of life.

"Potential Implications of Acid Mine Drainage and ...

Acid mine, drainage (AMD) is a persistent and extensive ,source, of water pollution and ecological degradation. Cotreating munici- pal ,wastewater, (MWW) with AMD using existing infrastructure at conventional ,wastewater, treatment plants (WWTPs) may serve as a potential option for AMD abatement. However, commonly elevated iron and aluminum concentrations and low pH of AMD could negatively …

Study: Acid mine drainage can help clean up recycle ...
Study: Acid mine drainage can help clean up recycle ...

Blending fracking ,wastewater, with ,acid mine, drainage also could help reduce the depletion of local freshwater resources by giving drillers a ,source, of usable recycled water for the hydraulic ...

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · In agreement of the comment that Dharamappa, Sivakumar and Singh (n.d.) made above about the low pH ,of acid mine, drainage, one of the major ,mining wastewater, sources, McElfish and Beier (1990) note that some ,acid mine, drainages can have a pH less than 2.3.

Britannia Acid Mine Water Treatment Plant
Britannia Acid Mine Water Treatment Plant

Britannia ,Mine, was once the largest producer of copper in the British Empire. After closure, it suffered three decades of decline, becoming the worst point ,source, of metal pollution in North America. This contamination rendered the nearby watercourses devoid of life.

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 ,acid, ...

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · In agreement of the comment that Dharamappa, Sivakumar and Singh (n.d.) made above about the low pH ,of acid mine, drainage, one of the major ,mining wastewater, sources, McElfish and Beier (1990) note that some ,acid mine, drainages can have a pH less than 2.3.

TREATMENT OF HIGH SULFITE REFINERY WASTEWATER BY ...
TREATMENT OF HIGH SULFITE REFINERY WASTEWATER BY ...

The acidity from the NaHSO 3 additions required alkalinity (NaOH) additions to the, wastewater, feeds in order to maintain acceptable pH levels in the, activated, sludge reactor mixed liquor. The spiked wastewater samples were fed to the bench-scale activated sludge reactor at conditions to simulate expected full-scale operations (Temperature = 36 oC,

Desulfovibrio desulfuricans treatment of acid mine ...
Desulfovibrio desulfuricans treatment of acid mine ...

Desulfovibrio desulfuricans treatment ,of acid mine wastewater, when the sodium lactate is as carbon ,source, Abstract: The experiment using sodium lactate as carbon ,source, and natural depressions for the reactor, deal with ,mine, drainage by adding to Desulfovibrio desulfuricans and explore the treatment effect under different conditions.

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

Constructed Wetlands for Treating Acid Mine, Drainage. By Kathryn Smith . Introduction . The mining industry has felt the burden of both negative environmental criticism and strong governmental regulations. In the past, mineral extraction and processing has been a ,source, of many contaminants entering our water, soil, and air.

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

Constructed Wetlands for Treating Acid Mine, Drainage. By Kathryn Smith . Introduction . The mining industry has felt the burden of both negative environmental criticism and strong governmental regulations. In the past, mineral extraction and processing has been a ,source, of many contaminants entering our water, soil, and air.

(PDF) Novel Passive Co-Treatment of Acid Mine Drainage and ...
(PDF) Novel Passive Co-Treatment of Acid Mine Drainage and ...

TECHNICAL TECHNICAL REPORTS: WASTE MANAGEMENT REPORTS Novel Passive Co-Treatment ,of Acid Mine Drainage and Municipal Wastewater, William H. J. Strosnider,* Brandon K. Winfrey, and Robert W. Nairn A laboratory-scale, four-stage continuous-flow reactor system was constructed to test the viability of high-strength ,acid mine A cid mine, drainage (AMD) and municipal ,wastewater, (MWW) are …

AQUAMAG® - Safer Treatment of Wastewater and Acid Gases
AQUAMAG® - Safer Treatment of Wastewater and Acid Gases

Acid, Waste Neutralization . Biological ,Wastewater, Treatment . Pulp and Paper. Power Plants. ... Whether associated with the ,source, of the raw materials or the production of the slurry itself, ... the Premier Magnesia and its predecessors have owned and operated a magnesia ,mine, …

Treatment of oil refinery wastewater by photo-Fenton ...
Treatment of oil refinery wastewater by photo-Fenton ...

10/12/2018, · The ,wastewater, was a mixture of aliphatic hydrocarbons with different fractions and a small amount of phenol. The study investigated the effect of different variables such as hydrogen peroxide concentrations, ferrous concentration, and ,acidity, on …

Desulfovibrio desulfuricans treatment of acid mine ...
Desulfovibrio desulfuricans treatment of acid mine ...

Desulfovibrio desulfuricans treatment ,of acid mine wastewater, when the sodium lactate is as carbon ,source, Abstract: The experiment using sodium lactate as carbon ,source, and natural depressions for the reactor, deal with ,mine, drainage by adding to Desulfovibrio desulfuricans and explore the treatment effect under different conditions.

Development of optimum conditions for modification of ...
Development of optimum conditions for modification of ...

refiner,y wastewater, are: acid concentration of ; activation, time of 4M 120min, and activation temperature of 100°C. Therefore, the optimum conditions developed in this study for modification of Kpautagi clay could be applied for improved performance in the treatment of petroleum refinery wastewater. Keywords

Treatment and reuse of coalmine wastewater in Vietnam ...
Treatment and reuse of coalmine wastewater in Vietnam ...

Coalmine ,wastewater, has long been a concern due to its potentially severe adverse environmental impacts, such as soil and water pollution. The wastewaters from coalmines, which are commonly referred to as ,acid mine, drainage (AMD), are formed by the chemical and biochemical reactions in the groundwater exposed to the ore and oxygen.

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