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Blender for acid wastewater treatment

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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Blender for acid wastewater treatment
High Flocculation of Coal Washing Wastewater Using a Novel ...
High Flocculation of Coal Washing Wastewater Using a Novel ...

In summary, IC-1 has shown to be an effective and alternative microbial flocculant for the ,coal, washing ,wastewater treatment,. The maximum flocculating efficiency was found to be 91.81% after the addition of IC-1 at the dosage of 24 mg l –1 and even up to 95.8% when assisted by 2% CaCl 2.

(PDF) Mine water: Chemical composition and treatment
(PDF) Mine water: Chemical composition and treatment

The study demonstrates a developed technology of local, mine water treatment, with a high color, PD, and, iron concentration. The, scheme, offered includes two …

Removal of Pollutants from an AMD from a Coal Mine by ...
Removal of Pollutants from an AMD from a Coal Mine by ...

Active chemical treatment by, neutralization, has been widely applied by the coal mining industry to prevent the damages caused by acid mine drainage. The process involves the addition of alkaline reagents to increase the pH and precipitate the dissolved metals as hydroxides [1–3].

Injection of hydrogen gas stimulates acid mine drainage ...
Injection of hydrogen gas stimulates acid mine drainage ...

Practical application. Here, an ecotechnological system is described at the laboratory scale for the treatment of acid mine drainage. The system is comprised of a floating hydroponic root mat of soft rush, Juncus effusus, hydrogen injection, and water recirculation.

Process effluents and mine tailings: sources effects and ...
Process effluents and mine tailings: sources effects and ...

19/12/2016, · The ,treatment, technology used for ,mine, water ,treatment, depends on different factors to be considered such as (1) the pollution level, (2) chemicals/biological materials required for ,treatment,, (3) the water body size and (4) the required discharge water quality standards.

Remediation of acid mine drainage | SpringerLink
Remediation of acid mine drainage | SpringerLink

29/5/2019, · Forward osmosis scheme for acid mine drainage remediation. In this process, acid mine drainage is directly sent to a forward osmosis module to extract water by osmotic pressure difference caused by draw solution. A concentrated to treatment and a diluted draw solution are obtained as products of this first stage.

Acid Mine Drainage - an overview | ScienceDirect Topics
Acid Mine Drainage - an overview | ScienceDirect Topics

Acid mine, drainage (AMD) ,Acid mine, drainage (AMD) is the runoff produced when water comes in contact with exposed rocks containing sulfur-bearing minerals that react with water and air to form sulfuric ,acid, and dissolved iron. This acidic run-off dissolves heavy metals including copper, lead, and mercury which pollute ground and surface water.

Physicochemical characteristics of acid mine drainage ...
Physicochemical characteristics of acid mine drainage ...

1/6/2019, · The optimisation of the iron nanoparticles dosage and contact time for the treatment of Navigation Toeseep ,acid mine, drainage was determined to be 0.1 g and 60 min, respectively. The toxic elements in the raw ,acid mine, drainage were removed with over 75% efficiency.

Constructed Wetlands for Wastewater Treatment: Municipal ...
Constructed Wetlands for Wastewater Treatment: Municipal ...

The use of wetlands for ,acid mine, drainage, and metals removal in municipal, urban runoff, and industrial systems is discussed. Case histories are also presented, demonstrating specific types of constructed wetlands and applications to municipal ,wastewater,, home sites, ,coal, and non-,coal, mining, ,coal,-fired electric power plants, chemical and pulp industry, agriculture, landfill leachate, …

Constructed Wetlands for Wastewater Treatment: Municipal ...
Constructed Wetlands for Wastewater Treatment: Municipal ...

The use of wetlands for ,acid mine, drainage, and metals removal in municipal, urban runoff, and industrial systems is discussed. Case histories are also presented, demonstrating specific types of constructed wetlands and applications to municipal ,wastewater,, home sites, ,coal, and non-,coal, mining, ,coal,-fired electric power plants, chemical and pulp industry, agriculture, landfill leachate, and urban stormwater.

Proceedings 2017 - International Mine Water Association
Proceedings 2017 - International Mine Water Association

Masindi, Vhahangwele; Osman, Muhammad Suhail (2017): Integrated ,Treatment of Acid Mine, Drainage using BOF Slag, Lime/Soda ash and Reverse Osmosis (RO): …

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · This construction company provide a case study of a passive ,wastewater, treatment ,scheme, for cleaning ,wastewater, pumped from an abandoned iron ,mine,. The effluent passes through an aeration cascade building, settlement ponds and two stages of wetlands ponds before the treated water is released back into Bridgewater canal.

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · This construction company provide a case study of a passive wastewater treatment scheme for cleaning wastewater pumped from an abandoned iron mine. The effluent passes through an aeration cascade building, settlement ponds and two stages of wetlands ponds before the treated water is released back into Bridgewater canal.

Transforming Water from Mines to Make it Drinkable
Transforming Water from Mines to Make it Drinkable

Such ,mine wastewater, is often acidic and this ,acid mine, drainage (AMD) can contaminate natural aquifers. Mining of base-metal sulfide deposits and ,coal, deposits, where 1-20% of the ,coal, may be pyritic-sulfur, exposes these minerals to oxygen and water promoting oxidation …

Concentrated Mine Drainage Disposal Into Sewage Treatment ...
Concentrated Mine Drainage Disposal Into Sewage Treatment ...

Acid Mine Drainage Treatment Processes There are a number of processes reported in the literature for the treatment of acid mine drainage and these are described in brief as below: 1. Precipitation of Iron By adding alkaline neutralizing agents such as hydrated lime, sodium carbonate, and sodium hydroxide to acid solutions of ferrous iron, iron can be precipitated.

A Novel Electrochemical Process for Aqueous Oxidation of ...
A Novel Electrochemical Process for Aqueous Oxidation of ...

Acid mine, drainage (AMD) can contain high concentrations of dissolved (semi)-metals and sulphate, o4en with very low pH values. Un-less treated, such waters may not be dis-charged into the natural environment. The ,acid, water is formed as a result of bacterial ox-idation when pyrites are exposed to oxygen and water a4er or during mining processes

Removal of Pollutants from an AMD from a Coal Mine by ...
Removal of Pollutants from an AMD from a Coal Mine by ...

Active chemical treatment by, neutralization, has been widely applied by the coal mining industry to prevent the damages caused by acid mine drainage. The process involves the addition of alkaline reagents to increase the pH and precipitate the dissolved metals as hydroxides [ 1 , 2 , 3 ].

Rotating Disc Biological Treatment of Acid Mine Drainage
Rotating Disc Biological Treatment of Acid Mine Drainage

Bench-scale (15-cm) RBC units in ,treatment, of Crown drainage with a natural pH range of 4.05 to 5.74 (RBC A) and an adjusted pH of 3 (RBC B) 81 28 Fe(II) oxidation in bench-scale (10-cm) RBC units in ,treatment, of synthetic ,mine, water at 10°C and initial pH of 3 82 29 Proposed ,treatment, process for ,acid mine, drainage 85 30 Functions of RBC disc surface, disc solids, liquid film, and atmosphere in ,mine, water ,treatment, 88 C-l Schematic of ,mine, …

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