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Fracturing flowback fluid treatment equipment

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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Fracturing flowback fluid treatment equipment
International Journal of Water Resources and Environmental ...
International Journal of Water Resources and Environmental ...

The direct ,discharge, of ,dye,-rich ,wastewater, from batik production without treatment pollutes the environment and therefore, treatment of such ,wastewater, is inevitable. These findings are in good agreement with those reported by Yaseen and Scholz (2019) in which, the minimum and maximum pH, color and COD in textile effluent were 5.5 and 11.8, 50 and 2,500 mg/L and 150 and 30,000, respectively.

The optimization of the photo-oxidation parameters to ...
The optimization of the photo-oxidation parameters to ...

COD were in the range of the ,standard, values permitted for ,discharge, into the environment. Key words: Textile ,Wastewater,, Photo-Fenton Process, Remediation, Continuous Stirred Tank Reactor, Advance Oxidation INTRODUCTION Approximately 200-2,000 m3/day of water is required for the ,dye,-

A Review on Heavy Metal Ions and Containing Dyes Removal ...
A Review on Heavy Metal Ions and Containing Dyes Removal ...

Groundwater contamination is one of the most serious environmental issues which results through anthropogenic activities and atmospheric input, 68, 69 therefore World Health Organization (WHO) and Environmental Protection Agency (EPA) set the maximum permissible discharge limit in both the consumable water and wastewater can only be 6.0×10 −3 mg L −1. 70 Heavy metal pollution is …

A Rapid Fenton treatment of bio-treated dyeing and ...
A Rapid Fenton treatment of bio-treated dyeing and ...

4/7/2019, · The existing biological treatments rarely meet the latest discharge limitations of 80 mg∙L −1 stated in the GB4287-2012 standard for dyeing and finishing wastewater.

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

ABSTRACT. ,Discharge, of colored effluents into surface water bodies pose adverse effects to aquatic ecology and human beings due to mutagenic and carcinogenic effects of dyes responsible for producing color. Disperse dyes cause risk of sensitization and elicitation to the …

Reduction of COD and Color of Acid and Reactive Dyestuff ...
Reduction of COD and Color of Acid and Reactive Dyestuff ...

Abstract−Wastewaters obtained from bromamine acid dye and reactive dye manufacturing were treated by ozone bubbling in a cylindrical batch reactor for the purpose of reducing COD to below 150 mg/L, which is the environmental discharge standard of the Republic of Korea. Remarkable COD reduction and decolorization were observed at pH over 11.

Research Article Relevance of Toxicity Assessment in ...
Research Article Relevance of Toxicity Assessment in ...

alization of the ,acid dye, C.I. ,Acid, Red(AR) in aqueous medium(FentonandFenton-likeprocessesinhomogeneous andheterogeneousphases).isdyehasbeentheonechosen as a model pollutant because ,acid, dyes are the most widely usedinmanyindustrialsectors,suchasalimentary,pharma-ceutical,,chemical,,andtextileones. AR is classi ed as nontoxic, even food grade, but at

Production and sulution – 浙江奇彩环境科技股份有限公司
Production and sulution – 浙江奇彩环境科技股份有限公司

Tobias ,Acid Wastewater, object of study: COD=50000-70000mg/L,The content of salt is about 20%,Naphthalene sulfonic ,acid, series of dyes result: COD removal rate ≥90%

A Rapid Fenton treatment of bio-treated dyeing and ...
A Rapid Fenton treatment of bio-treated dyeing and ...

4/7/2019, · The existing biological treatments rarely meet the latest ,discharge, limitations of 80 mg∙L −1 stated in the GB4287-2012 ,standard, for dyeing and finishing ,wastewater,.

Water | Free Full-Text | Electrocoagulation in Wastewater ...
Water | Free Full-Text | Electrocoagulation in Wastewater ...

Wang and Chou concluded that COD concentration could be reduced to value greater than 90% by electrocoagulation, below the Taiwan discharge standard of 100 mg/L, provided that the concentration of chemical mechanical polishing wastewater was 200 mg/L NaCl, electrical potential of 20 V, and temperature of 25 degrees Celsius.

The optimization of the photo-oxidation parameters to ...
The optimization of the photo-oxidation parameters to ...

COD were in the range of the ,standard, values permitted for ,discharge, into the environment. Key words: Textile ,Wastewater,, Photo-Fenton Process, Remediation, Continuous Stirred Tank Reactor, Advance Oxidation INTRODUCTION Approximately 200-2,000 m3/day of water is required for the ,dye,-

(PDF) TREATMENT OF WASTEWATER PRINTING INK BY …
(PDF) TREATMENT OF WASTEWATER PRINTING INK BY …

When ,wastewater, contains high suspended solids and low dissolved organic concentration, this ,wastewater, is enough treated by physic-,chemical, process with the treated ,wastewater, fulfilling the effluent quality ,standard,. But, when the ,wastewater, contains high dissolved organic and low suspended solid content, this ,waste, water needs biological treatment process in order fulfill the effluent quality ,standard, …

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

ABSTRACT. ,Discharge, of colored effluents into surface water bodies pose adverse effects to aquatic ecology and human beings due to mutagenic and carcinogenic effects of dyes responsible for producing color. Disperse dyes cause risk of sensitization and elicitation …

Production and sulution – 浙江奇彩环境科技股份有限公司
Production and sulution – 浙江奇彩环境科技股份有限公司

Tobias ,Acid Wastewater, object of study: COD=50000-70000mg/L,The content of salt is about 20%,Naphthalene sulfonic ,acid, series of dyes result: COD removal rate ≥90%

Water | Free Full-Text | Dye Waste Treatment | HTML
Water | Free Full-Text | Dye Waste Treatment | HTML

The treatment performance ,of Acid, Orange 7 containing ,wastewater, by using up-flow constructed wetland (UFCW) at different ,Acid, Orange 7 concentrations was investigated . Various concentrations of AO7, from 50 to 100 mg/L, had an effect on the performance in biodegradation of organic matter and nitrification in the non-aerated wetland reactor as well as denitrification and decolorization in the …

(PDF) Textile Wastewater Treatment Options: A Critical Review
(PDF) Textile Wastewater Treatment Options: A Critical Review

Shafaqat Ali. The textile ,industry, is one of the most chemically intensive industries, and its ,wastewater, is comprised of harmful dyes, pigments, dissolved/suspended solids, and heavy metals. The ...

(PDF) TREATMENT OF WASTEWATER PRINTING INK BY PROCESS ...
(PDF) TREATMENT OF WASTEWATER PRINTING INK BY PROCESS ...

When ,wastewater, contains high suspended solids and low dissolved organic concentration, this ,wastewater, is enough treated by physic-,chemical, process with the treated ,wastewater, fulfilling the effluent quality ,standard,. But, when the ,wastewater, contains high dissolved organic and low suspended solid content, this ,waste water, needs biological treatment process in order fulfill the effluent quality ,standard, …

International Journal of Water Resources and Environmental ...
International Journal of Water Resources and Environmental ...

The direct ,discharge, of ,dye,-rich ,wastewater, from batik production without treatment pollutes the environment and therefore, treatment of such ,wastewater, is inevitable. These findings are in good agreement with those reported by Yaseen and Scholz (2019) in which, the minimum and maximum pH, color and COD in textile effluent were 5.5 and 11.8, 50 and 2,500 mg/L and 150 and 30,000, respectively.

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