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Neutralizing the acidity of wastewater in industry

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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Neutralizing the acidity of wastewater in industry
Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · The selection of a ,treatment technology, depends upon the characteristics of the ,wastewater, and ,treatment, goals. ,Treatment, technologies for ,mining wastewater, often employ pH adjustment to convert soluble salts in the ,waste water, to less soluble hydroxide or sulphide salts, which then can be removed by physical means (i.e., settling, precipitation/clarification or filtration).

Mining water management for reduced environmental impact ...
Mining water management for reduced environmental impact ...

Wastewater, is also produced during the preparation process, and from stormwater at storage facilities. 2 Six subcategories of the facilities are covered in the “,Coal, Mining Effluent Guidelines and Standards” – including ,coal, preparation plants and associated areas, ,acid, or ferruginous ,mine, drainage, alkaline ,mine, drainage, post-mining areas, ,coal, remining and western alkaline ,coal, mining.

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

An application of the ,technology, (see Sequatchie Valley ,Coal Mine, Case Study) is a source ,treatment, of MIW. It also describes the use of electromagnetic surveys to characterize the subsurface conductivity down to 120 m and pinpoint sources ,of acid mine, drainage.

Environmental aspects of coal mine drainage: a regional ...
Environmental aspects of coal mine drainage: a regional ...

the present one for use and disposal of the ,coal mine wastewater, in Mozambique. The ,coal mine, drainage there was assessed by use of leaching tests to determine whether there is a possibility ,of acid mine, drainage being generated in Moatize. The impact of climate change on mining activities was also analyzed on the basis of climate data.

Waste Water Treatment DataBase
Waste Water Treatment DataBase

Biological ,treatment of acid mine, drainage in batch reactors: Evaluation of initial pH and metal precipitation ; Colour Removal of Pulp and Paper Effluents; Clarification of Industrial Mining ,Wastewater, Using Electrocoagulation; Characterisation of ,coal, washery effluent and optimisation of coagulation behaviour of Moringa oleifera seed as a coagulant

US4695378A - Acid mine water aeration and treatment system ...
US4695378A - Acid mine water aeration and treatment system ...

An in-line system is provided for treating ,acid mine, drainage which basically comprises the combination of a jet pump (or pumps) and a static mixer. The jet pump entrains air into the ,acid waste water, using a Venturi effect so as to provide aeration of the ,waste water, while further aeration is provided by the helical vanes of the static mixer.

Fe and Mn phytoremediation of acid coal mine ...
Fe and Mn phytoremediation of acid coal mine ...

Acid Mine, Drainage (AMD) is a ,wastewater, formed through a series of chemical reactions and biological activities during and after open-pit system ,coal, exploitation. ,Coal, containing sulfide in the presence of oxygen and air is oxidized to form sulfuric ,acid,, thus having a pH<4.

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · The selection of a treatment technology depends upon the characteristics of the wastewater and treatment goals. Treatment technologies for mining wastewater often employ pH adjustment to convert soluble salts in the waste water to less soluble hydroxide or sulphide salts, which then can be removed by physical means (i.e., settling, precipitation/clarification or filtration).

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Brine ,treatment, is commonly encountered when treating cooling tower blowdown, produced water from steam assisted gravity drainage (SAGD), produced water from natural gas extraction such as ,coal, seam gas, frac flowback water, ,acid mine, or ,acid, rock drainage, reverse osmosis reject, chlor-alkali ,wastewater,, pulp and paper mill effluent, and waste streams from food and beverage processing.

Potential reuse of coal mine wastewater: a case study in ...
Potential reuse of coal mine wastewater: a case study in ...

better impact than NaOCl and ,acid, citric (without surfactant). A 100% recovery can be achieved with combination of three chemicals. It might be due to the fact that there was some oil compounds in the ,coal mine wastewater,, thus, the addition of surfactant …

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

An application of the ,technology, (see Sequatchie Valley ,Coal Mine, Case Study) is a source ,treatment, of MIW. It also describes the use of electromagnetic surveys to characterize the subsurface conductivity down to 120 m and pinpoint sources ,of acid mine, drainage.

THE APPLIED RESEARCH ON COAL MINE ACID WASTEWATER ...
THE APPLIED RESEARCH ON COAL MINE ACID WASTEWATER ...

To seek for affordable ,treatment technology, of ,coal, acidic ,waste water,,The lime neutral sediment method and the limestone neutral method are used for the ,coal mine acid waste water treatment, projects in Fenghuangshan Area of Zhijin County and Maochong ,coal mine, in Guiyang Huaxi District respectively.The former's quality of the treated water average pH is 8.06,that of TFe and TMn is 0.66 …

US4695378A - Acid mine water aeration and treatment system ...
US4695378A - Acid mine water aeration and treatment system ...

An in-line system is provided for treating ,acid mine, drainage which basically comprises the combination of a jet pump (or pumps) and a static mixer. The jet pump entrains air into the ,acid waste water, using a Venturi effect so as to provide aeration of the ,waste water, while further aeration is provided by the helical vanes of the static mixer.

THE APPLIED RESEARCH ON COAL MINE ACID WASTEWATER ...
THE APPLIED RESEARCH ON COAL MINE ACID WASTEWATER ...

To seek for affordable ,treatment technology, of ,coal, acidic ,waste water,,The lime neutral sediment method and the limestone neutral method are used for the ,coal mine acid waste water treatment, projects in Fenghuangshan Area of Zhijin County and Maochong ,coal mine, in Guiyang Huaxi District respectively.The former's quality of the treated water average pH is 8.06,that of TFe and TMn is 0.66 …

(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 …

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