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Decolorization of fracturing flowback fluid

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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Decolorization of fracturing flowback fluid
Experimental study on the treatment of electroplating ...
Experimental study on the treatment of electroplating ...

Based on iron-carbon micro-,electrolysis, process,the effectiveness of the ,treatment, of electroplating ,wastewater containing, copper and nickel by aluminum-carbon process has been studied.The effects of aluminum carbon ratio,reaction time,and influent water pH on the ,treatment, effectiveness are investigated.The results show that the best reaction time of aluminum-carbon micro-,electrolysis, is ...

(PDF) Electrocoagulation in Wastewater Treatment | Erick ...
(PDF) Electrocoagulation in Wastewater Treatment | Erick ...

Electrocoagulation consists of pairs of metal sheets called electrodes, that are arranged in pairs of two—anodes and cathodes. Using the principles of electrochemistry, the cathode is oxidized (loses electrons), while the water is reduced (gains electrons), thereby making the ,wastewater, better treated.

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

treatment of real chromium-containing wastewater by SRB in 2011 showed that the maximum removal of chromium was found to be 82.6% in chromium amended wastewater [13]. The effect of chromium-containing wastewater treatment by SRB with static test point out that when the concentration of chromium wastewater was 50mg/L to

C8 Surface treatment with chromium trioxide by touchup ...
C8 Surface treatment with chromium trioxide by touchup ...

Good Practice Sheet for Use of ,Chromium, Trioxide Equipment Design and Access. Workers use a small brush (as supplied by the formulator) to apply a surface ,treatment containing chromium, trioxide to small areas, typically during quality control, maintenance or repair. The Selective ,Electrolysis, Brush plating process can be practiced

Experimental study on the treatment of electroplating ...
Experimental study on the treatment of electroplating ...

Based on iron-carbon micro-,electrolysis, process,the effectiveness of the ,treatment, of electroplating ,wastewater containing, copper and nickel by aluminum-carbon process has been studied.The effects of aluminum carbon ratio,reaction time,and influent water pH on the ,treatment, effectiveness are investigated.The results show that the best reaction time of aluminum-carbon micro-,electrolysis, is ...

PCB circuit board factory wastewater treatment - Shenzhen ...
PCB circuit board factory wastewater treatment - Shenzhen ...

According to the characteristics of ,wastewater, of different PCB manufacturers, reasonable classification and collection and quality ,treatment, are the key to ensure the standardization of ,wastewater treatment,. For the ,wastewater treatment, of the PCB board industry, there are chemical methods (chemical precipitation method, ion exchange method, ,electrolysis, method, etc.), physical methods (various …

C8 Surface treatment with chromium trioxide by touchup ...
C8 Surface treatment with chromium trioxide by touchup ...

Good Practice Sheet for Use of ,Chromium, Trioxide Equipment Design and Access. Workers use a small brush (as supplied by the formulator) to apply a surface ,treatment containing chromium, trioxide to small areas, typically during quality control, maintenance or repair. The Selective ,Electrolysis, Brush plating process can be practiced

Wastewater treatment from the biodiesel production using ...
Wastewater treatment from the biodiesel production using ...

This study focused on the treatment of biodiesel wastewater by the EC process using Al and Fe electrodes to remove COD, oil & grease, total phosphorus, orthophosphate and TSS from wastewater. For this purpose, laboratory experiments were performed using the CCD for the optimization of process parameters including current density, initial pH and electrolysis time, and RSM was used for the …

Removal of Chromium Using Electrochemical Approaches: A Review
Removal of Chromium Using Electrochemical Approaches: A Review

The present work reports the ,treatment, of ,chromium, pollution using electrochemical-based remediation strategies, including electrodeionization, electrodialysis, electrochemical reduction, and electrocoagulation. This work also presents the principles and mechanisms of these strategies, along with research trends into the electrochemical removal ...

Reduction of Hexavalent Chromium by H2O2 in Acidic ...
Reduction of Hexavalent Chromium by H2O2 in Acidic ...

The Dechromatation Step in ,Wastewater Treatment, Plants: ... The role of iron anode oxidation on transformation of ,chromium by electrolysis,. Electrochimica Acta 2012, 86 , 96-101. https: ... Synthesis of ,chromium containing, pigments from ,chromium, galvanic sludges. Journal of …

Electrochemical Reactors for Wastewater Treatment ...
Electrochemical Reactors for Wastewater Treatment ...

Electrodialysis processes are used for water ,treatment, (drinking water, process water) of brackish and ground water, complete desalination of water, ,treatment, of rinsing water from electroplating, selective recovery, or concentration of valuable substances from process or rinsing water (e.g., EDTA, inorganic acids and alkalis, lactic ,acid,, pickling solutions) 16.

Electrochemical Reactors for Wastewater Treatment ...
Electrochemical Reactors for Wastewater Treatment ...

Electrodialysis processes are used for water ,treatment, (drinking water, process water) of brackish and ground water, complete desalination of water, ,treatment, of rinsing water from electroplating, selective recovery, or concentration of valuable substances from process or rinsing water (e.g., EDTA, inorganic acids and alkalis, lactic ,acid,, pickling solutions) 16.

Reduction of Hexavalent Chromium by H2O2 in Acidic ...
Reduction of Hexavalent Chromium by H2O2 in Acidic ...

The Dechromatation Step in ,Wastewater Treatment, Plants: ... The role of iron anode oxidation on transformation of ,chromium by electrolysis,. Electrochimica Acta 2012, 86 , 96-101. https: ... Synthesis of ,chromium containing, pigments from ,chromium, galvanic sludges. Journal of …

PCB circuit board factory wastewater treatment - Shenzhen ...
PCB circuit board factory wastewater treatment - Shenzhen ...

According to the characteristics of ,wastewater, of different PCB manufacturers, reasonable classification and collection and quality ,treatment, are the key to ensure the standardization of ,wastewater treatment,. For the ,wastewater treatment, of the PCB board industry, there are chemical methods (chemical precipitation method, ion exchange method, ,electrolysis, method, etc.), physical methods (various …

Wastewater treatment from the biodiesel production using ...
Wastewater treatment from the biodiesel production using ...

This study focused on the treatment of biodiesel wastewater by the EC process using Al and Fe electrodes to remove COD, oil & grease, total phosphorus, orthophosphate and TSS from wastewater. For this purpose, laboratory experiments were performed using the CCD for the optimization of process parameters including current density, initial pH and electrolysis time, and RSM was used for the …

(PDF) Electrocoagulation in Wastewater Treatment | Erick ...
(PDF) Electrocoagulation in Wastewater Treatment | Erick ...

Electrocoagulation consists of pairs of metal sheets called electrodes, that are arranged in pairs of two—anodes and cathodes. Using the principles of electrochemistry, the cathode is oxidized (loses electrons), while the water is reduced (gains electrons), thereby making the ,wastewater, better treated.

The Electrochemical Treatment of Toxic Hexavalent Chromium ...
The Electrochemical Treatment of Toxic Hexavalent Chromium ...

Electrolysis, of acidic hexavalent ,chromium, solution using a rotating lead cathode reduces the hexavalent ,chromium, Cr6+ to trivalent ,chromium,. The effect of ,chromium,, sulphuric ,acid, concentration, current density, time and speed of cathode rotation on current efficiency has been investigated under galvanostatic and linear sweep voltammetric techniques.

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