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Papermaking wastewater is highly acidic

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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Papermaking wastewater is highly acidic
Catalytic oxidation of volatile organic compounds (VOCs ...
Catalytic oxidation of volatile organic compounds (VOCs ...

1/9/2016, · The activity of ceria ,containing, catalysts is greatly enhanced by other metal oxides such as nickel, ,copper,, and vanadium (Asgari et al., 2013, Liu et al., 2015, Trovarelli, 1996). The high catalytic activity is associated with the dual oxidation states of ceria (Ce 3+ and Ce 4+ ), which facilitate oxygen storage and release from the catalyst matrix ( Yosefi et al., 2015 ).

Catalytic oxidation of volatile organic compounds (VOCs ...
Catalytic oxidation of volatile organic compounds (VOCs ...

1/9/2016, · The activity of ceria ,containing, catalysts is greatly enhanced by other metal oxides such as nickel, ,copper,, and vanadium (Asgari et al., 2013, Liu et al., 2015, Trovarelli, 1996). The high catalytic activity is associated with the dual oxidation states of ceria (Ce 3+ and Ce 4+ ), which facilitate oxygen storage and release from the catalyst matrix ( Yosefi et al., 2015 ).

RECOVERY OF COPPER (II) AND CHROMIUM (IIIVI) FROM ...
RECOVERY OF COPPER (II) AND CHROMIUM (IIIVI) FROM ...

Two laboratory-scale separation processes have been developed for the recovery of copper (II) from acidic and cyanide-containing alkaline wastewater of electroplating industries. Acidic bath wastes were treated with Dowex 50X8, a strongly acidic cation-exchange resin, …

Research on the Removal Effect of Acidic Wastewater ...
Research on the Removal Effect of Acidic Wastewater ...

Steel slag which is a byproduct of the steelmaking process was found to be a low cost and promising adsorbent for the removal of Copper from acidic wastewater. Batch experiments were conducted to study the main parameters such as dosage of adsorbent, particle size initial adsorbate concentration, contact time, kinetic, and pH solution on the sorption of Copper (II) by steel slag.

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

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Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · The, fracturing flowback fluid treatment, unit has the following main modules , , : ①, coagulation and, precipitation, which involves pumping the, flowback fluid, with sand preliminarily settling removed to the treatment tank, adding coagulant and ion precipitant in the tank to make the suspended solids and Ca 2+ and Mg 2+ ions coagulate and precipitate, realizing the preliminary separation of solids and liquid; ② filtering, which involves filtering the supernate after, coagulation, …

International Research Journal of Environmental Sciences ...
International Research Journal of Environmental Sciences ...

A general ,treatment, and classification of the solute adsorption isotherm, I. Theoretical. Colloid and Interface Science, 47, 755-765 (1974) Morales C. et al., Comparative and competitive adsorption of ,copper,, lead and nickel using chitosan immobilized on bentonite, Carbohydrate Polymers, 83, …

Integrated copper-containing wastewater treatment using ...
Integrated copper-containing wastewater treatment using ...

Results from metal removal experiments showed that KEX was suitable for the ,treatment, of ,copper,-,containing wastewater, over a wide ,copper, concentration range (50, 100, 500, and 1000 mg/l) to the level that meets the Taiwan EPA's effluent regulations (3mg/l).

Copper sulfate | CuSO4 - PubChem
Copper sulfate | CuSO4 - PubChem

Copper, is an essential trace element that is included in some over-the-counter multivitamin and mineral supplements, even though ,copper, deficiency is quite rare and supplementation is rarely needed. The amounts of ,copper, found in typical supplements has not been associated with serum enzyme elevations or with clinically apparent liver injury. However, accidental or intentional ,copper, overdose ...

The waste water treatment method in PCB manufacturing-News ...
The waste water treatment method in PCB manufacturing-News ...

The waste water of striping and deinking is small, in general use intermittent treatment, utilize organic ink in the acidic conditions, can be separated from the waste water to produce suspended substance to remove, after pretreatment of the ink wastewater, can be mixed into the comprehensive waste water for follow-up treatment, if water flow is high can be used alone biochemical method to deal with

Copper sulfate | CuSO4 - PubChem
Copper sulfate | CuSO4 - PubChem

Copper, is an essential trace element that is included in some over-the-counter multivitamin and mineral supplements, even though ,copper, deficiency is quite rare and supplementation is rarely needed. The amounts of ,copper, found in typical supplements has not been associated with serum enzyme elevations or with clinically apparent liver injury. However, accidental or intentional ,copper, overdose ...

Wastewater Treatment through Low Cost Adsorption ...
Wastewater Treatment through Low Cost Adsorption ...

7/4/2016, · In this case, counterions with lower K ps values are used, for instance sulphide ions (S 2 −) are used to improve the wastewater treatment of waters containing mercury or cadmium.

International Research Journal of Environmental Sciences ...
International Research Journal of Environmental Sciences ...

A general ,treatment, and classification of the solute adsorption isotherm, I. Theoretical. Colloid and Interface Science, 47, 755-765 (1974) Morales C. et al., Comparative and competitive adsorption of ,copper,, lead and nickel using chitosan immobilized on bentonite, Carbohydrate Polymers, 83, …

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · CWAO makes a promising technology for the treatment of refractory organic pollutants (phenolic compounds, carboxylic acids, N-containing compounds) in industrial wastewaters, such as Olive oil mill wastewater, Kraft bleaching plant effluents, Coke plant wastewater, Textile wastewater, Alcohol-distillery wastewater, Landfill leachate, Pulp and paper bleaching liquor, Heavily organic …

KOSUN Fracturing Flowback Fluid Treatment System and ...
KOSUN Fracturing Flowback Fluid Treatment System and ...

The ,fracturing flowback fluid treatment system, occupies a small area, short installation and commissioning cycle, high degree of automation, and easy operation. Measures to adapt to different types of ,fracturing, systems and different ,fracturing, processes, the waste liquid is treated to meet the standards to ensure that the effluent water quality meets the needs of ,reinjection, or re-allocation.

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

The main treatment measures for cyanide-containing wastewater are: (1) Reforming the process to reduce or eliminate the effluent containing cyanide. If the cyanide-free plating method is used, the industrial wastewater in the electroplating workshop can be eliminated. (2) Waste water with high cyanide content should be recycled.

Advanced Waste Water Treatment Methods | Waste Management
Advanced Waste Water Treatment Methods | Waste Management

The dissolved solids are of both organic and inorganic types. A number of methods have been investigated for the removal of inorganic constituents from waste water. Three methods which are finding wide application in advanced waste treatment are …

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

The main treatment measures for cyanide-containing wastewater are: (1) Reforming the process to reduce or eliminate the effluent containing cyanide. If the cyanide-free plating method is used, the industrial wastewater in the electroplating workshop can be eliminated. (2) Waste water with high cyanide content should be recycled.

Remediation of bio-refinery wastewater containing organic ...
Remediation of bio-refinery wastewater containing organic ...

The application of magnetic nanoparticles (MNP) for ,wastewater treatment, is considered a promising practice as they possess enhanced physical properties that improve the overall efficiency of the adsorption process, which in turn, provides a viable solution to the problems encountered in conventional ,wastewater treatment, processes (Qu et al. 2013; Thekkudan et al. 2016; Li et al. 2017).

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