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waste water treatment process

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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waste water treatment process
Methods For Textile Industry Wastewater Treatment
Methods For Textile Industry Wastewater Treatment

The electrolysis method has a good ,treatment, effect on the ,treatment, of textile ,wastewater containing acid, dyes, and the decolorization rate is 50% to 70%, but the ,treatment, effect on ,wastewater, with deep color and high CODCr is poor.

Wastewater from Biodiesel Purification ...
Wastewater from Biodiesel Purification ...

product, after the ,acid,-base neutralization reaction, the potassium chloride (KCl) salt. This salt dispersed in the effluent will make ,iron, perchloride production possible, so that can be applied in printed circuit boards manufacture. This work aimed to treat the residual ,wastewater, of …

Improving efficiency of electroplating wastewater treatment
Improving efficiency of electroplating wastewater treatment

The experiment demonstrated the ability of high-degree purification of ,wastewater, from electroplating production, removing hexavalent chrome, ,iron,, copper, nickel, zinc and cadmium with simultaneous reduction of ,treatment, duration by electromagnetic vortex layer devices with ferromagnetic particles.

TREATING INDUSTRIAL WASTEWATER – Flexi Systems
TREATING INDUSTRIAL WASTEWATER – Flexi Systems

Customised Industrial ,Wastewater Treatment, Systems Our High Concentration Cyanide Decomposition System can treat ,wastewater containing, cyanide with concentrations of up to hundred thousands PPM and achieve 99.99% removal rate.

Acid-assisted Recycling of Fe(OH)3 Sludge as Coagulant for ...
Acid-assisted Recycling of Fe(OH)3 Sludge as Coagulant for ...

the coagulant cost. This study examined the ,acid, recovery and reusability of ,iron, coagulant for the MWF ,wastewater treatment,. In addition, FeCl 3 was used as a representative metal coagulant, while HCl was used in the ,acid, solubilisation process. Without MWF contamination, the Fe(OH) 3 to HCl ratios of 3:1 and 3:2 were required to

The synthesis of calcium arsenate@iron arsenate coating ...
The synthesis of calcium arsenate@iron arsenate coating ...

The current method of treating arsenic-,containing wastewater, is mainly to use a calcium method to synthesize stable calcium arsenate. It is easy to cause reverse dissolution by rain or other erosion, releasing arsenic into the natural world and polluting soil and groundwater. So, …

Acid wastewater treatement - Envirocorp Services ...
Acid wastewater treatement - Envirocorp Services ...

mixing together the fluidized bed fly ash and ,acid wastewater, to produce a solid residue ,containing, said heavy metals, soluble ,iron,, and sulfates, and neutralized ,waste water,, wherein hydrous gelatinous ,iron, hydroxide precipitate is not formed, and removing said solid residue from said neutralized ,wastewater, to reduce heavy metals content of the neutralized ,wastewater, to at most 100 parts per ...

Petrochemical wastewater and produced water: Treatment ...
Petrochemical wastewater and produced water: Treatment ...

Petrochemical ,wastewater, and produced water from oil and gas operations typically contain an array of organic and inorganic contaminants. The complexity of the ,wastewater,, stringent environmental regulations, and the need for sustainable solutions have driven many research efforts in studying and developing advanced technology or combined ,treatment, processes.

Solution for treatment of cyanogen/cyanide in waste water
Solution for treatment of cyanogen/cyanide in waste water

(1st step) Then formed cyanic ,acid, is decomposed to nitrogen and carbon dioxide. Thus cyanogen/cyanide is detoxiffied.This method is suitable for ,wastewater containing, several hundred mg/L of cyanogen/cyanide ion. It can decompose also metal-cyanogen complexes except those of ,iron, ,cobalt,gold,nickel and silver.

Research on Treating Acid Wastewater Containing Heavy Metal
Research on Treating Acid Wastewater Containing Heavy Metal

wastewater treatment,. Some successes in ,wastewater containing, heavy metal ions ,treatment, has recently been achieved by SRB. And it has become a hot point and front line gambit among the field of relevant ,wastewater treatment,. A. Chromium-,Containing Wastewater, . Acidic ,wastewater, from electroplating, tanning, mining

Thermochemical Treatment (Thermolysis) of Petrochemical ...
Thermochemical Treatment (Thermolysis) of Petrochemical ...

Thermo-chemical precipitation (thermolysis) has been used as a pretreatment method for COD and color reduction from various industrial effluents. This paper reports on the COD reduction from purified terephthalic ,acid, (PTA) ,wastewater, from a petrochemical plant using thermolysis. CuSO4, FeCl3, and FeSO4 were used as chemicals/coagulants for COD reduction. The effect of ,treatment, time ...

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.

TREATING INDUSTRIAL WASTEWATER – Flexi Systems
TREATING INDUSTRIAL WASTEWATER – Flexi Systems

Customised Industrial ,Wastewater Treatment, Systems Our High Concentration Cyanide Decomposition System can treat ,wastewater containing, cyanide with concentrations of up to hundred thousands PPM and achieve 99.99% removal rate.

DISPOSAL REPROCESSING AND REUSE OPTIONS FOR ACIDIC ...
DISPOSAL REPROCESSING AND REUSE OPTIONS FOR ACIDIC ...

was quickly depleted. Under acid,ic conditions sludge, dissolution occurs, opening void spaces and increasing infiltration and metal le,aching,. If under these same conditions a water cover was applied to the waste, then it is expected that limited metal leaching would occur, as oxidation would be discouraged., Sludge, as a Cover Over Tailings

Treatment of Saline Wastewater Contaminated with ...
Treatment of Saline Wastewater Contaminated with ...

The application of the photo-Fenton process to the ,treatment of saline wastewater contaminated with hydrocarbons, is investigated. Aqueous saline solutions ,containing, raw gasoline were used as a model oil-field-produced water. The dependence on concentrations of the following reagents has been appropriately evaluated: hydrogen peroxide (100−200 mM), ,iron, ions (0.5−1 mM), and sodium chloride ...

Comprehensive review on wastewater discharged from the ...
Comprehensive review on wastewater discharged from the ...

Treatment, procedures for ,acid, mine drainage (AMD: ,acid, mine drainage; SRB: ... Immobilization of chromate from coal fly ash leachate using an attenuating barrier ,containing, zero-valent ,iron,. ... Study on the ,treatment, of coke plant ,wastewater, by adsorption catalytic oxidation process.

Wastewater treatment method of PCB circuit board factory ...
Wastewater treatment method of PCB circuit board factory ...

According to the types and forms of pollutants in ,wastewater,, it can be divided into heavy metal-,containing wastewater, (including Cu2 +, Pb2 +, Ni2 +, etc., without EDTA, NH4 + and other ...

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