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Deoiling of oilfield 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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Deoiling of oilfield fracturing flowback fluid
Wastewater treatment: a case study of electronics ...
Wastewater treatment: a case study of electronics ...

20/9/2018, · However, electroplating wastewater has low organic matter, but have a high toxicity. Among the prime contaminants in electroplating wastewater, cyanide and suspended metals are of …

Electroplating- Lenntech
Electroplating- Lenntech

Wastewater, composition: Almost all the substances and products used in ,electroplating, can be found in the ,wastewater,, for instance ,acidic, solutions, toxic metals, solvents, and cyanides. This contamination is a consequence of the different process steps such as spillage, rinsing, dumping of process baths.

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

Electroplating ,wastewater, contains highly toxic cyanide, cya-nide complexes and metal ions that makes treatment a complex problem. As the electroplating industries are located in tiny and unorganized sectors in India the problem becomes more grave. Due to lack of technology, Automation and process

SOLUTION FOR WASTEWATER PROBLEM RELATED TO ELECTROPLATING …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO ELECTROPLATING …

Electroplating wastewater contains highly toxic cyanide, cya-nide complexes and metal ions that makes treatment a complex problem. As the electroplating industries are located in tiny and unorganized sectors in India the problem becomes more grave. Due to lack of technology, Automation and process

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

Wastewater,: Industrial Metal ... Metal finishing industries cover a broad range of processes including electroplating, electro-less plating, anodizing, coatings, ... especially from ,acidic wastewater,. 3. Protect the biological treatment process incorporated at most municipal treatment systems. 4.

Removal of chromium (VI) from electroplating wastewater ...
Removal of chromium (VI) from electroplating wastewater ...

Although ,acidic, conditions (pH = 2-6) facilitated Cr (VI) adsorption, the exchanger was effective in neutral solution and even under weak base conditions. The equilibrium data fitted well with Langmuir adsorption model, and the maximum Cr (VI) adsorption capacities at pH 6.4 were 0.35, 0.36 and 0.38 mmol/g for 15, 25 and 35 degrees C, respectively.

Electroplating Wastewater Treatment_Method
Electroplating Wastewater Treatment_Method

Electroplating, factory ,wastewater, discharged serious confusion (The quality of employees is poor and they are arranged in a row to save time.) ,Wastewater, is not categorized into categories. The chemicals used in each sort of ,wastewater, are highly targeted in order to reduce costs.As a result, the ,wastewater, of each category is poorly treated, and the integrated water is still not up to standard.

Electroplating- Lenntech
Electroplating- Lenntech

Wastewater, composition: Almost all the substances and products used in ,electroplating, can be found in the ,wastewater,, for instance ,acidic, solutions, toxic metals, solvents, and cyanides. This contamination is a consequence of the different process steps such as spillage, rinsing, dumping of process baths.

Treatment of Electroplating Wastewater Using NF pH-Stable ...
Treatment of Electroplating Wastewater Using NF pH-Stable ...

A less studied source of acidic wastewater which is also rich in heavy metals and sulfates is the electroplating industry. Electroplating refers to the electrochemical coating process in which metals are reduced and thus deposited on top of a substrate in order to provide the material with specific properties.

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

2-ions in ,acidic, medium according to reaction (1), as already stated. The generated H 2 gas produced at the cathode can remove dissolved organics or any suspended material by flotation. Furthermore, Fe3+ ions undergo hydration and give, depending on pH, cationic species such as Fe(OH)2+, Fe(OH) 2 2+ in ,acidic, conditions, Fe(OH) 3 in neutral

Treatments of alkaline non-cyanide alkaline cyanide and ...
Treatments of alkaline non-cyanide alkaline cyanide and ...

The pH of synthetic electroplating wastewater was determined to be within the range of 5.7-6.5, which is similar to the pH of acidic Zn electroplating wastewater (Kobya et al. 2017).... Recovery of...

REMOVAL OF HEXAVALENT CHROMIUM FROM …
REMOVAL OF HEXAVALENT CHROMIUM FROM …

REMOVAL OF HEXAVALENT CHROMIUM FROM ELECTROPLATING ,WASTEWATER, BY ELECTROCOAGULATION WITH IRON ELECTRODES K. DERMENTZIS1, * 1Department of Science A. CHRISTOFORIDIS2 Laboratory of Chemical Technology and Electrochemistry ... 2-ions in ,acidic, medium according to reaction (1), as already stated.

Combined Electrocoagulation/Electrowinning Process for ...
Combined Electrocoagulation/Electrowinning Process for ...

wastewaters comprising electrocoagulation, ,acidic, digestion and electrowinning. The ,wastewater, with the initial Cu2+ ion concentration of 92 mg/L was first subjected to electrocoagulation where it successfully decreased under the upper allowed

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

Because pH is simply another means of referring to the hydrogen ion concentration, ,acidic, and basic solutions can be distinguished on the basis of pH values: pH < 7 ,Acidic, solution . pH = 7 Neutral solution . pH > 7 Basic solution . Neutralization of ,wastewater, that is highly ,acidic, …

Characteristic Study of Electroplating and Dye Industrial ...
Characteristic Study of Electroplating and Dye Industrial ...

efficiencies is to be more than 90% but it is identified as the electroplating and dye industries effluent had a low treatment efficiencies of about only 80-85%. And the electroplating wastewater has more heavy metal which has more carcinogenic effects which causes various health problems. And also the effluent of dyes in waste water concentration

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