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Reuse of acid wastewater from nonferrous metal mines

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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Reuse of acid wastewater from nonferrous metal mines
Modern Electrochemical Aspects for the Synthesis of Value ...
Modern Electrochemical Aspects for the Synthesis of Value ...

Formic ,acid, was a major product in the reduction of CO 2 at Pb and Hg cathodes. 80, 82 It is noteworthy that only ethylene and, in particular, CO represent products of significantly added value. These products are in high demand and can be employed in conventional chemical plants for the generation of commodities. 76

Synergistic Effects of Micro-electrolysis-Photocatalysis ...
Synergistic Effects of Micro-electrolysis-Photocatalysis ...

The electrolysis ,voltage, and current were 15 V and 2.5 A, respectively. During the electrolysis process, large percentage (2/3) of the effluent of the breeding tanks flowed into the buffer pool.

Four Levels of Clean Low Cost Underexplored Water Tech ...
Four Levels of Clean Low Cost Underexplored Water Tech ...

15/6/2016, · HClO, Strong ,Acid, HClO, Weak ,Acid, HClO, Subtle ,Acid, Cl ppm official actual 5-2060 5-2060 510-30, 20-80 50-200 -2000 50-200 -2000 NaClO+CO2/ HCl etc, ,Acid, NaClO , …

Processes | Free Full-Text | Optimization of Electrolysis ...
Processes | Free Full-Text | Optimization of Electrolysis ...

Electrolyzed water (EW) shows great potential as a green and economical sanitation solution for the food industry. However, only limited studies have investigated the optimum electrolysis parameters and the bactericidal effect of acidic electrolyzed water (AcEW) and alkaline electrolyzed water (AlEW). Here, the Box–Behnken experimental design was used to identify the optimum parameters.

Research on the mechanism and reaction conditions of ...
Research on the mechanism and reaction conditions of ...

In addition to its application as an oxidant and bleaching agent in the textile, electronics and chemical industries, it is as extensively adopted as one of the oxidants in in situ remediation of soil and water. 1,2 On an industrial scale, PDS is usually prepared by ,electrolyzing, low-temperature concentrated sulfuric ,acid,/sulfate solution (>2 mol L −1) at a high current density (≥500 mA cm ...

Micro-Electrolysis (ME) | Scientific.Net
Micro-Electrolysis (ME) | Scientific.Net

In the ,electrolyzing, Fenton, the optimal conditions of process parameters were the dose of H 2 O 2 oxidant (5ml/L), the ,voltage, (2.0 V), electrochemical reaction time (40min), and stir time (20min).Under the optimal conditions, the percentage removal of was …

(PDF) A voltammetric electronic tongue as tool for water ...
(PDF) A voltammetric electronic tongue as tool for water ...

Preparation of the E-tongue The electronic tongue device consists of an array of eight In order to characterize the influent and effluent ,wastewater, working electrodes (Au, Pt, Ir, Rh, Ag, Cu, Ni, and Co) with composition, ,wastewater, samples were collected by auto- purity of 99.9% and 1 mm diameter from ALDRICH that were matic pumps placed at influent and effluent streams.

Sodium hypochlorite generator titanium anode | TITANIUM METAL
Sodium hypochlorite generator titanium anode | TITANIUM METAL

Introduction of sodium hypochlorite generator Sodium hypochlorite generator is a device that generates sodium hypochlorite solution by ,electrolyzing, dilute brine (with conditions that seawater is available). It is composed of electrolytic electrode assembly, rectifier power supply, automatic control system and other parts. The pure sodium hypochlorite solution is a strong oxidant. Strong ...

water treatment electrolysis rectifier water treatment ...
water treatment electrolysis rectifier water treatment ...

slimes and sludges,hydroxyethylcellulose manuf. ,wastewater, treatment slimes and sludges,cobalt manuf. ,wastewater, treatment petroleum products,c>5, reclaimed, ,wastewater, treatment silicotungstic ,acid, 26-water methoxide ion-water complex chromium(iii) chloride*water antimony(v) chloride water fuel gases, water gas sodium hydrogen phosphite 2.5 water

RESOURCE REUSE-TYPE INDUSTRIAL WASTE WATER …
RESOURCE REUSE-TYPE INDUSTRIAL WASTE WATER …

This ,wastewater, treatment method, suitable for use in decreasing amounts of nitrogen pollutants (T-N), including ethanolamine compounds and ammonia nitrogen (NH3-N), and refractory COD-causing pollutants in industrial ,wastewater,, includes: stripping ammonia from raw ,wastewater,, producing an oxidizing agent via addition of sulfuric ,acid, to the stripped ammonia, electrolysis and addition of ...

StoneChlor - B - Electrochlorination - Salt ...
StoneChlor - B - Electrochlorination - Salt ...

StoneChlor - B - Electrochlorination System by Milestone Chlorination Technologies LLC.. Electro chlorination system for drinking Water & Industrial sewage treatment and other land based disinfection process requiring Chlorine. It is the safest a...

Synergistic Effects of Micro-electrolysis-Photocatalysis ...
Synergistic Effects of Micro-electrolysis-Photocatalysis ...

The electrolysis ,voltage, and current were 15 V and 2.5 A, respectively. During the electrolysis process, large percentage (2/3) of the effluent of the breeding tanks flowed into the buffer pool.

DEGRADATION OF SULFAMETHAZINE BY SE-FENTON METHOD
DEGRADATION OF SULFAMETHAZINE BY SE-FENTON METHOD

value, ,voltage, and Fe2+ concentration on the treatment effect. The experiment shows that the degradation rate of sulfamethazine can be effectively improved by the solar-powered Fenton system. The optimum conditions for the degradation system are pH 3.0, 25 mg/L Fe2+ concentration, and the applied ,voltage, …

(PDF) Electro-Disinfection of Municipal Wastewater ...
(PDF) Electro-Disinfection of Municipal Wastewater ...

Electrodisinfection of ,wastewater, has been investigated extensively in the past, although a consensus over the use of direct current (DC) or alternating current (AC) as the most efficient electricity source has not been reached to date. The research

water treatment electrolysis rectifier water treatment ...
water treatment electrolysis rectifier water treatment ...

slimes and sludges,hydroxyethylcellulose manuf. ,wastewater, treatment slimes and sludges,cobalt manuf. ,wastewater, treatment petroleum products,c>5, reclaimed, ,wastewater, treatment silicotungstic ,acid, 26-water methoxide ion-water complex chromium(iii) chloride*water antimony(v) chloride water fuel gases, water gas sodium hydrogen phosphite 2.5 water

ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF …
ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF …

an overall cell ,voltage, of 3. 75V and a cathodic current efficiency of 85%. [0013] The major limitations of this process are the following: (1) a low space time yield of 0.260 kg.m-2h-1 because of the low current density; (2) the impossibility of recovering pure sulfuric ,acid, from the anolyte because of the presence

Electrocoagulation Process in the Context of Disinfection ...
Electrocoagulation Process in the Context of Disinfection ...

During the last three decades, the electrocoagulation (EC) process has known an exemplary renaissance in the field of water and ,wastewater, treatment. Sev-eral researchers focused on applying this electrochemical technology in re-moving diverse pollutants such as pathogens. During EC method, the coagulant is furnished via solubilizing sacrificial electrodes upon an applied electric field.

ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF …
ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF …

an overall cell ,voltage, of 3. 75V and a cathodic current efficiency of 85%. [0013] The major limitations of this process are the following: (1) a low space time yield of 0.260 kg.m-2h-1 because of the low current density; (2) the impossibility of recovering pure sulfuric ,acid, from the anolyte because of the presence

Sodium hypochlorite generator titanium anode | TITANIUM METAL
Sodium hypochlorite generator titanium anode | TITANIUM METAL

Introduction of sodium hypochlorite generator Sodium hypochlorite generator is a device that generates sodium hypochlorite solution by ,electrolyzing, dilute brine (with conditions that seawater is available). It is composed of electrolytic electrode assembly, rectifier power supply, automatic control system and other parts. The pure sodium hypochlorite solution is a strong oxidant. Strong ...

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