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Neutralization of acid wastewater

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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Neutralization of acid wastewater
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

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.

Degradation of organic wastewater containing Cu EDTA by Fe ...
Degradation of organic wastewater containing Cu EDTA by Fe ...

been done to study the treatment of heavy metal chelating ,organic wastewater, using Fe−C micro- electrolysis method [20−23]. The aim of this work is to study the degradation of ,copper, irons and total ,organic, carbon (TOC) in the simulated (CH2N)2[(CH2COO)2Cu]2 ,wastewater, in the Fe−C micro-electrolysis process in order to get the

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 ion-exchange, electro dialysis and reverse osmosis.

Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...
Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...

Regrettably, all these pollutants are typically pumped to the municipal ,wastewater, treatment plants (WTTPs), regardless of the call to hold the ,wastewater, on-site for treatment before pumping to WTTPs . The on-site ,wastewater, retention and prior treatment of HWW may help treat most hazardous pollutants before discharge to the natural environment.

Removing Heavy Metals From Wastewater
Removing Heavy Metals From Wastewater

The goal of the rapid mix operation is to first raise the ,wastewater, pH to form metal hydroxide particles, as discussed above. After the addition of caustic, the next step is to add aluminum or iron salts, or ,organic, polymers (coagulants) directly to the ,wastewater,. These polymers attach to …

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, and …

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 …

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).

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

(2) Cleaning: Before the PCB imaging, there will be a pre-treatment process, which is to clean the copper surface, with, a dilute, sulfuric acid, solution, and, polish it, with, machines, in order to remove oxides., Organic wastewater and sulfuric acid, mist gas get produced here.

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 ).

Biotreatment of acidic zinc- and copper-containing ...
Biotreatment of acidic zinc- and copper-containing ...

The treatment of acidic, (pH 6.5,-3),, sulfate- (2-3 g/L), Zn-, and, Cu- (total metal, 0-500 mg/L) containing wastewater was studied in a four-stage anaerobic baffled reactor (ABR) at 35 °C for 250 days.

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).

Heavy Metal Complexes Wastewater Treatment with Chelation ...
Heavy Metal Complexes Wastewater Treatment with Chelation ...

Abstract: In view of the existing technical problems about treatment of electroplating ,wastewater, , the new technology of processing electroplating ,wastewater, with ,organic, heavy metal chelator-dithiocarbamates is developed. Using electroplating ,wastewater containing copper,, nickel and chromium complexes with EDTA, ammonia and citric acid as an ...

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 ...

Treatment of Industrial Wastewater by Organic Wastes
Treatment of Industrial Wastewater by Organic Wastes

acidic, industrial, wastes, in the treatment of, acidic, industrial, wastes, in terms of acid neutralization, sulphate and metal removal processes. Glass jars of 1.5 liter capacity (30 cm height), containing, bacterial consortium of different organic substrates were inoculated with dairy whey to promote SRB culture.

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.

Biotreatment of acidic zinc- and copper-containing ...
Biotreatment of acidic zinc- and copper-containing ...

The treatment of acidic (pH 6.5-3),, sulfate- (2-3 g/L), Zn-, and, Cu-, (total metal 0-500 mg/L) containing wastewater was studied in a four-stage anaerobic baffled reactor (ABR) at 35 °C for 250 days. Ethanol was supplemented (COD/SO4(2-) = 0.67) as carbon and electron source for sulfate reducing bacteria.

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

Treatment of waste water from ,organic, chemical, in ,organic, chemical and pharmaceutical industries . The application of reverse osmosis for ,wastewater, treatment is significantly different from general process water purification. This is primarily due to the fact that ,wastewater, generally contains higher levels and a more diverse range of ...

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