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Production of acid wastewater from pyrite production

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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Production of acid wastewater from pyrite production
Removal of Zn2+ from Wastewater Using Membrane Electrolysis
Removal of Zn2+ from Wastewater Using Membrane Electrolysis

Removal of Zn2+ ,from Wastewater Using Membrane Electrolysis, Ng Kah Kit, Nurhazwani Ismail, TVN Padmesh School of Engineering, Taylor’s University, Malaysia *Corresponding author email: kahkit.ng@sd.taylors.edu.my Abstract— Performance of ,electrolysis, with carbon ,electrode, on ,waste water, that contains heavy metal ions (Zn2+), has been studied.

Electrochemical Preparation of Iron-Supported Carbon-Cloth ...
Electrochemical Preparation of Iron-Supported Carbon-Cloth ...

The ,iron, reduction potential experiment was also performed using a three-,electrode, electrochemical cell consisting of CC ,electrode, (12.5 cm 2 ) as the working ,electrode, (WE), platinum wire and Ag/AgCl as the counter ,electrode, (CE) and a reference ,electrode, (RE), respectively.

Removal of Zn2+ from Wastewater Using Membrane Electrolysis
Removal of Zn2+ from Wastewater Using Membrane Electrolysis

Removal of Zn2+ ,from Wastewater Using Membrane Electrolysis, Ng Kah Kit, Nurhazwani Ismail, TVN Padmesh School of Engineering, Taylor’s University, Malaysia *Corresponding author email: kahkit.ng@sd.taylors.edu.my Abstract— Performance of ,electrolysis, with carbon ,electrode, on ,waste water, that contains heavy metal ions (Zn2+), has been studied.

Production of hexavalent chromium during electrolysis ...
Production of hexavalent chromium during electrolysis ...

There are generally two methods: one uses sulfuric acid to get to a low pH and sodium metabisulfate to reduce it, the other ferrous sulfate and alkaline pH. In either case, you'd have to then neutralize the ,wastewater, back to neutral. Cr is fairly easy to trace through a sewer system; that means if you dump it, be prepared to spend some time in ...

Reuse Mineral Processing Wastewater with High COD
Reuse Mineral Processing Wastewater with High COD

under optimal conditions, i.e., ,iron, anode, pH 7.1, ,electrolysis, time 70 min, 19.23 mA/cm2 current density, and 4.1 g/L activated carbon, the initial COD can be reduced to 72.9 mg/L, corresponding to a removal rate of 82.8%. In addition, compared with the untreated ,wastewater,, EC-treated ,wastewater

Application of electrocoagulation process using Iron and ...
Application of electrocoagulation process using Iron and ...

oil shale ,wastewater,, urban ,wastewater,, laundry ,wastewater,, nitrate and arsenic bearing ,wastewater, and chemical mechanical polishing ,wastewater,.(16-18) Electro-coagulation is a simple and efficient method to remove the flocculating agent generated by electro-oxidation of a sacrificial anode and generally made of ,iron, or

Removal of Zn2+ from Wastewater Using Membrane Electrolysis
Removal of Zn2+ from Wastewater Using Membrane Electrolysis

Removal of Zn2+ ,from Wastewater Using Membrane Electrolysis, Ng Kah Kit, Nurhazwani Ismail, TVN Padmesh School of Engineering, Taylor’s University, Malaysia *Corresponding author email: kahkit.ng@sd.taylors.edu.my Abstract— Performance of ,electrolysis, with carbon ,electrode, on ,waste water, that contains heavy metal ions (Zn2+), has been studied.

China Titanium Anode Used for Electrolysis of Sea Water ...
China Titanium Anode Used for Electrolysis of Sea Water ...

The lead-titanium dioxide ,electrode, has good catalytic activity. ★Electrolytic recovery and extraction of non-ferrous metals in strongly ,acidic, solutions. ★,Wastewater, treatment. COD and BOD are purified by electrolytic oxidation. ★One-time copper removal. The above is the product introduction of the titanium anode for ,electrolysis,.

APPLICATION OF ELECTROCOAGULATION IN WASTEWATER …
APPLICATION OF ELECTROCOAGULATION IN WASTEWATER …

electrode, which is 99%, 100%, and 62% for voltage of 15V and ,electrolysis, time of 60min. also, ,Iron electrode, removes the 100% Phosphate for 15V and 60min [4]. Alex (2015) used Aluminum and Stainless steel electrodes as MP-P, where 2cm ,electrode, gap gives better removal in the range of 1-4 cm. ,Electrolysis, time of 25cm

Removal of copper and fluoride from wastewater by the ...
Removal of copper and fluoride from wastewater by the ...

treatment of ,wastewater, that fluoride concentration is less than 50 mg/L and copper concentration is less than 200 mg/L. This process was successfully applied to the treatment of a smelting ,wastewater, sample. Keywords: Electrocoagulation, Micro-,Electrolysis,, ,Iron Electrode,, Aluminum ,Electrode,, Copper and Fluoride Ions, Fluidized Bed 1. Introduction

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

Wastewater, from Biodiesel Purification: Electroflocculation ... purification process is followed by washing with ,acidic, solution to remove unreacted oil residues from the ... as a result of ,electrolysis, of potassium chloride and ,iron, dispersed in the effluent.

Electrochemical removal of nitrite in simulated ...
Electrochemical removal of nitrite in simulated ...

electrolysis, current (A); t is the ,electrolysis, time (h) and V is the volume of electrolyte treated (m 3). ,Electrode, potential with respect to each other (by making one ,electrode, as the working and the other as counter and reference) was maintained near or below 1.45 V using the DC power supply unit.

Investigationontheelectrolysisvoltageofelectrocoagulation
Investigationontheelectrolysisvoltageofelectrocoagulation

edge due to the lack ofavailable models. The ,electrolysis, voltage is one ofthe most important variables. It is strongly dependent on the current density, the conductivity ofthe water=,wastewater, to treat, the inter-,electrode, distance, and the surface state of electrodes. A model involving terms ofactivation overpotential, concentration overpotential and

Electrochemical Preparation of Iron-Supported Carbon-Cloth ...
Electrochemical Preparation of Iron-Supported Carbon-Cloth ...

The ,iron, reduction potential experiment was also performed using a three-,electrode, electrochemical cell consisting of CC ,electrode, (12.5 cm 2 ) as the working ,electrode, (WE), platinum wire and Ag/AgCl as the counter ,electrode, (CE) and a reference ,electrode, (RE), respectively.

Application of electrocoagulation process using Iron and ...
Application of electrocoagulation process using Iron and ...

oil shale ,wastewater,, urban ,wastewater,, laundry ,wastewater,, nitrate and arsenic bearing ,wastewater, and chemical mechanical polishing ,wastewater,.(16-18) Electro-coagulation is a simple and efficient method to remove the flocculating agent generated by electro-oxidation of a sacrificial anode and generally made of ,iron, or

{Electrocoagulation of textile wastewater containing a ...
{Electrocoagulation of textile wastewater containing a ...

This study focused on testing the efficacy of ,iron, (Fe) ,electrode, in an electrochemical treatment (electrocoagulation) of ,wastewater, containing a mixture of organic dyes. The mixture consists of the following azo dyes: Acid Black 194, Acid Black 107 and Acid Yellow 116.

REMOVAL OF COD AND TURBIDITY TO IMPROVE WASTEWATER …
REMOVAL OF COD AND TURBIDITY TO IMPROVE WASTEWATER …

The effluent treated ,with iron electrode, as anode, appeared greenish first and then turned yellow and turbid. This green and yellow colour must have resulted from Fe2+ and Fe3+ ions generated during the EC process. Fe2+ is the common ion generated in situ of ,electrolysis, of ,iron electrode,. It has relatively high solubility at ,acidic, or

Electrochemical Preparation of Iron-Supported Carbon-Cloth ...
Electrochemical Preparation of Iron-Supported Carbon-Cloth ...

The ,iron, reduction potential experiment was also performed using a three-,electrode, electrochemical cell consisting of CC ,electrode, (12.5 cm 2 ) as the working ,electrode, (WE), platinum wire and Ag/AgCl as the counter ,electrode, (CE) and a reference ,electrode, (RE), respectively.

REMOVAL OF HEXAVALENT CHROMIUM FROM ELECTROPLATING ...
REMOVAL OF HEXAVALENT CHROMIUM FROM ELECTROPLATING ...

Also this ,wastewater, treatment process produces a large amount of sludge. Electrochemical coagulation or otherwise called electrocoagulation uses no chemicals as coagulating agents. These are generated during the ,electrolysis, process by electrodissolution of a sacrificial anode made of aluminum or ,iron,.

Biochar-Assisted Iron-Mediated Water Electrolysis Process ...
Biochar-Assisted Iron-Mediated Water Electrolysis Process ...

The biochar-assisted water ,electrolysis, process for hydrogen gas production is reported. The H2 generation is performed in a divided ,electrolysis, cell in which the hydrogen evolution reaction occurs on a cathode and ferrous ,iron, oxidation on an anode. Electrochemically produced Fe(III) species are reduced back to ferrous form in a reaction with biochar concentrated in a packed-bed column ...

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