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rsd oil extraction wastewater reinjection technology ltd

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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rsd oil extraction wastewater reinjection technology ltd
Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

4. Electrolysis. Electrolytic treatment of high-concentration circuit board wastewater can reduce the content of heavy metal ions, but the electrolysis method is effective only for the treatment of high-concentration heavy metal ions, and consumes a large amount of electricity, and can only process a …

The treatment of chromium containing wastewater using ...
The treatment of chromium containing wastewater using ...

The ,treatment, of ,chromium containing wastewater, using electrocoagulation and the production of ceramic pigments from the resulting sludge. Umran Tezcan Un Anadolu University, Department of Environmental Engineering, 26555 Eskisehir, Turkey.

Chromium Removal from Wastewater by Reverse Osmosis
Chromium Removal from Wastewater by Reverse Osmosis

wastewater treatment,. Key-Words: - ,chromium,, tanning, pollutant, membrane separation, reverse osmosis, ,wastewater treatment,, leather industry . 1 Introduction . Wide spectrum of physical-chemical and biological ,treatment, methods and their combination is commonly used for ,treatment, of various ,wastewater,.

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.

Bioaccumulation of Chromium from Tannery Wastewater: An ...
Bioaccumulation of Chromium from Tannery Wastewater: An ...

Various factors influencing the uptake of chromium, viz., quantity of seaweed, concentrations of chromium, pH of the chrome-bearing wastewater, and duration of treatment, have been studied. Chemical modification of the seaweed through pretreatment with sulfuric acid, magnesium chloride, and calcium chloride showed improved uptake of chromium.

Trevi Environmental Solutions - Chromium reduction
Trevi Environmental Solutions - Chromium reduction

The ,wastewater treatment, plant is implemented and monitored by Trevi. Upper view physicochemical WWTP including ,chromium, reduction. Operation costs. The main operating cost is the cost of chemicals for process control and post-processing of the generated metal-,containing, sludge. Approach by Trevi. Trevi distinguishes between ,chromium,-free and ...

Inorganic Wastewater Treatment | Wastewater Treatment ...
Inorganic Wastewater Treatment | Wastewater Treatment ...

Hexavalnet chromium (Cr 6+) in wastewater is reduced to be an insoluble form. 1) Chemicals can be selected corresponding to Cr 6+ concentration. 2) Wastewater containing trivalent chromium (Cr …

Review of Chromium Residue and Chromium-containing Waste ...
Review of Chromium Residue and Chromium-containing Waste ...

after the detoxification and curing ,the ,chromium, leaching-out toxicity less than 8 (HJ/T299), be dumped into the second general industrial solid waste landfill according to standard of GB18599. Cr-,containing Wastewater Treatment, In leather processing, ,chromium, …

(PDF) Removal Of Chromium From Electroplating Wastewater ...
(PDF) Removal Of Chromium From Electroplating Wastewater ...

Table 1 :1Variation of ,chromium, concentration in the treated ,wastewater, at different lime concentrations (HIGH) with ,treatment, timeLime concentration, mg/L ,Treatment, time, min. 0 10 20 30 40 50 60 70 80 200 343 230 172 159 143 127 115 115 115 400 343 250 210 179 152 135 121 121 121 600 343 283 240 198 185 167 143 143 143 Table 2 :2Variation of ,chromium, concentration in the treated ,wastewater, ...

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

4. Electrolysis. Electrolytic treatment of high-concentration circuit board wastewater can reduce the content of heavy metal ions, but the electrolysis method is effective only for the treatment of high-concentration heavy metal ions, and consumes a large amount of electricity, and can only process a …

(PDF) Removal Of Chromium From Electroplating Wastewater ...
(PDF) Removal Of Chromium From Electroplating Wastewater ...

Table 1 :1Variation of ,chromium, concentration in the treated ,wastewater, at different lime concentrations (HIGH) with ,treatment, timeLime concentration, mg/L ,Treatment, time, min. 0 10 20 30 40 50 60 70 80 200 343 230 172 159 143 127 115 115 115 400 343 250 210 179 152 135 121 121 121 600 343 283 240 198 185 167 143 143 143 Table 2 :2Variation of ,chromium, concentration in the treated ,wastewater, ...

Inorganic Wastewater Treatment | Wastewater Treatment ...
Inorganic Wastewater Treatment | Wastewater Treatment ...

Hexavalnet chromium (Cr 6+) in wastewater is reduced to be an insoluble form. 1) Chemicals can be selected corresponding to Cr 6+ concentration. 2) Wastewater containing trivalent chromium (Cr …

Bioaccumulation of Chromium from Tannery Wastewater: An ...
Bioaccumulation of Chromium from Tannery Wastewater: An ...

Various factors influencing the uptake of chromium, viz., quantity of seaweed, concentrations of chromium, pH of the chrome-bearing wastewater, and duration of treatment, have been studied. Chemical modification of the seaweed through pretreatment with sulfuric acid, magnesium chloride, and calcium chloride showed improved uptake of chromium.

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.

CN103693773A - Chromium-containing waste water reuse ...
CN103693773A - Chromium-containing waste water reuse ...

The invention discloses a chromium-containing waste water reuse treatment method, which comprise the following steps: (1) filtering the waste water to be treated by a filter; (2) treating the...

Chromium Removal from Wastewater by Reverse Osmosis
Chromium Removal from Wastewater by Reverse Osmosis

wastewater treatment,. Key-Words: - ,chromium,, tanning, pollutant, membrane separation, reverse osmosis, ,wastewater treatment,, leather industry . 1 Introduction . Wide spectrum of physical-chemical and biological ,treatment, methods and their combination is commonly used for ,treatment, of various ,wastewater,.

Trevi Environmental Solutions - Chromium reduction
Trevi Environmental Solutions - Chromium reduction

The ,wastewater treatment, plant is implemented and monitored by Trevi. Upper view physicochemical WWTP including ,chromium, reduction. Operation costs. The main operating cost is the cost of chemicals for process control and post-processing of the generated metal-,containing, sludge. Approach by Trevi. Trevi distinguishes between ,chromium,-free and ...

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

chromium. wastewater need to be treated before discharged. U (VI) can [11]. A new reduction-regeneration circulation process for treating chromium-containing wastewater and reclaiming chromium was developed with the regeneration character of the composites which consisted of SRB and nanosized iron sulfide produced by SRB in 2009.

Review of Chromium Residue and Chromium-containing Waste ...
Review of Chromium Residue and Chromium-containing Waste ...

after the detoxification and curing ,the ,chromium, leaching-out toxicity less than 8 (HJ/T299), be dumped into the second general industrial solid waste landfill according to standard of GB18599. Cr-,containing Wastewater Treatment, In leather processing, ,chromium, ore …

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