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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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Adsorption-Coagulation Mechanism of Composites in Treating ...
Adsorption-Coagulation Mechanism of Composites in Treating ...

The standard of simulated ,acid, mine drainage can meet the national ,wastewater, discharge standard. The composite particles played a role in neutralizing ,acid,. 3.2 Cation exchange of composite particles on Cu2+ Figure 2(a) shows the amounts of Na+ released by composite particles in simulated ,acid, mine drainage and distilled water.

Projects - Innovative Water
Projects - Innovative Water

3. ,Acid, pickling and phosphating ,wastewater,. 1),Acid, pickling ,wastewater, (pH is 2~3,high concentration Fe2+ and SS) Technical process:,wastewater,→adjusting tank→,neutralization, pond→aeration and oxidation pond→coagulation reaction tank→sedimentation basin →filtering basin→pH callback pool→discharge.

Purifying device for deeply treating printing and dyeing ...
Purifying device for deeply treating printing and dyeing ...

The method includes the following steps of: drawing the printing and dyeing ,wastewater, by a first water pump (12), pumping a first part of the ,wastewater, into a nanometer catalytic microelectrolysis tank (13) to perform catalysis microelectrolysis, and a second part of the ,wastewater, into a ,neutralization, tank (16) to mix with the water from the nanometer catalytic microelectrolysis tank (13) to precipitate, filtering the ,wastewater, by a sand ,filtration, …

Industrial and hazardous waste management. - Research ...
Industrial and hazardous waste management. - Research ...

Neutralization, (pp. 82-83, 93) a. pH (,acid,/alkaline) and ion exchange. b. ,acid, waste ,neutralization, ... (,filtration,) c. biological agent ... 1995). It is by this method that we ,realize, most heavy metals tend to precipitate within a higher pH ,wastewater, matrix (TWUA, 1991). MEE 5801, ,Industrial and Hazardous Waste Management, 3.

Method of production of aluminum sulfate
Method of production of aluminum sulfate

A method of producing aluminium sulphate, including pre-cleaning of slag containing aluminum oxide, salts, and then processing it with sulfuric ,acid,, separating ,by filtration, the resulting solution from the sand, characterized in that the sand is washed and cleaned the solution after ,filtration, is served in the mold and cooled, the separated crystals of aluminum sulfate from the mother liquor, which includes sulfuric ,acid,…

Facilely Synthesized Highly Permeable and Efficiently ...
Facilely Synthesized Highly Permeable and Efficiently ...

Two types of industrial ,wastewater, were used to study the flocculation performance of hPEI-CE: silk printing and dyeing ,wastewater, and machining ,wastewater,. Total suspended solid (TSS), COD, and turbidity redn. reached up to 73.4, 95.7, and 87.4% for silk printing and dyeing ,wastewater,, 96.2, 79.9, and 93.5% for machining ,wastewater,, resp., under each original pH condition.

Projects - Innovative Water
Projects - Innovative Water

3. ,Acid, pickling and phosphating ,wastewater,. 1),Acid, pickling ,wastewater, (pH is 2~3,high concentration Fe2+ and SS) Technical process:,wastewater,→adjusting tank→,neutralization, pond→aeration and oxidation pond→coagulation reaction tank→sedimentation basin →filtering basin→pH callback pool→discharge.

Water purification plants for anodic oxidation aluminum ...
Water purification plants for anodic oxidation aluminum ...

Zero discharge treatment plants, ,wastewater, recovery and reuse; Demineralisation resin plants, softening, metal treatment, water recovery. Floating bed backflushing demineralisation systems; Equicurrent demineralisation resin plants; Water softeners – resin softening systems; ,Acid, bath recovery and resin purification plants

Discuss the techniques of coagulation flocculation and ...
Discuss the techniques of coagulation flocculation and ...

29/11/2015, · This is the precipitation of heavy metals from the solution. Through the manipulation of the wastewater pH (neutralizing the pH from very low or very high values), the neutralization process actually initiates the redox reaction process. In turn, the redox reactions initiate the precipitation process and subsequently the solidification process.

Method of production of aluminum sulfate
Method of production of aluminum sulfate

A method of producing aluminium sulphate, including pre-cleaning of slag containing aluminum oxide, salts, and then processing it with sulfuric ,acid,, separating ,by filtration, the resulting solution from the sand, characterized in that the sand is washed and cleaned the solution after ,filtration, is served in the mold and cooled, the separated crystals of aluminum sulfate from the mother liquor, which includes sulfuric ,acid,…

Discuss the techniques of coagulation flocculation and ...
Discuss the techniques of coagulation flocculation and ...

1. ,Neutralization, (pp. 82-83, 93) a. pH (,acid,/alkaline) and ion exchange. b. ,acid, waste ,neutralization, (NaOH, NaOCl) c. alkaline waste ,neutralization, (H2SO4, HNO3) 2. Chemical oxidation and reduction (pp. 82-84) a. ion exchange (mineral softener unit, ion exchange column) b. cyanide reduction (alkaline chlorination, O3, or H2O2 treatment)

Discuss the techniques of coagulation flocculation and ...
Discuss the techniques of coagulation flocculation and ...

1. ,Neutralization, (pp. 82-83, 93) a. pH (,acid,/alkaline) and ion exchange. b. ,acid, waste ,neutralization, (NaOH, NaOCl) c. alkaline waste ,neutralization, (H2SO4, HNO3) 2. Chemical oxidation and reduction (pp. 82-84) a. ion exchange (mineral softener unit, ion exchange column) b. cyanide reduction (alkaline chlorination, O3, or H2O2 treatment)

Method of neutralization of acidic mine water and plant ...
Method of neutralization of acidic mine water and plant ...

From the local method and installation for ,waste water neutralization,, described in a.c. CCCP No. 789419, IPC C 02 F 1/66, 1979, a method includes filling the storage tanks acidic and alkaline effluents, respectively, subsequent to the simultaneous flow of effluent from the tank into the reactor-mixer, a continuous measurement of the pH of the medium in the reactor mixer and adjusting the flow ...

Adsorption-Coagulation Mechanism of Composites in Treating ...
Adsorption-Coagulation Mechanism of Composites in Treating ...

The standard of simulated ,acid, mine drainage can meet the national ,wastewater, discharge standard. The composite particles played a role in neutralizing ,acid,. 3.2 Cation exchange of composite particles on Cu2+ Figure 2(a) shows the amounts of Na+ released by composite particles in simulated ,acid, mine drainage and distilled water.

Purifying device for deeply treating printing and dyeing ...
Purifying device for deeply treating printing and dyeing ...

The method includes the following steps of: drawing the printing and dyeing ,wastewater, by a first water pump (12), pumping a first part of the ,wastewater, into a nanometer catalytic microelectrolysis tank (13) to perform catalysis microelectrolysis, and a second part of the ,wastewater, into a ,neutralization, tank (16) to mix with the water from the nanometer catalytic microelectrolysis tank (13) to precipitate, filtering the ,wastewater, by a sand ,filtration, …

Industrial and hazardous waste management. - Research ...
Industrial and hazardous waste management. - Research ...

Neutralization, (pp. 82-83, 93) a. pH (,acid,/alkaline) and ion exchange. b. ,acid, waste ,neutralization, ... (,filtration,) c. biological agent ... 1995). It is by this method that we ,realize, most heavy metals tend to precipitate within a higher pH ,wastewater, matrix (TWUA, 1991). MEE 5801, ,Industrial and Hazardous Waste Management, 3.

Method of neutralization of acidic mine water and plant ...
Method of neutralization of acidic mine water and plant ...

From the local method and installation for ,waste water neutralization,, described in a.c. CCCP No. 789419, IPC C 02 F 1/66, 1979, a method includes filling the storage tanks acidic and alkaline effluents, respectively, subsequent to the simultaneous flow of effluent from the tank into the reactor-mixer, a continuous measurement of the pH of the medium in the reactor mixer and adjusting the flow ...

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