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oil well fracturing flow-back fluids treatment processes

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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oil well fracturing flow-back fluids treatment processes
Treatment of Electroplating Wastewater by Adsorption Technique
Treatment of Electroplating Wastewater by Adsorption Technique

hexavalent chromium (Cr+6) using scrap ,iron, filings in both synthetic ,wastewater,, ,containing, 30 mg/L of Cr+6, and chromium plating ,wastewater,. Optimum condition for removal of Cr+6 was found to be at pH 3, ,iron, particle sizes (35 – 200) mesh, agitating rate 250 rpm, contact time 180 minutes and ,iron, dosage of 1 g. It was also observed that

Iron (Fe) and water - Water Treatment and Purification
Iron (Fe) and water - Water Treatment and Purification

Iron, compounds are applied in ,wastewater treatment,, usually as coagulants. One example is ,iron, sulphate application in phosphate removal. Literature …

THE TREATMENT OF ACID WASTEWATER CONTAINING LEAD IN ...
THE TREATMENT OF ACID WASTEWATER CONTAINING LEAD IN ...

the ,treatment of acid wastewater containing, lead in production of storage batteries by ,iron, scraps-microelectrolysis method Zhang Shuhai~1 Jiang Fengqin~2 Ren Yonghong~3(1.Huaian Environmental Monitoring Central Station,Huaian 223001,China;2.Jiangsu Environmental Monitoring Cental,Nanjing 210036,China;3.Jiangsu Lishi Science and Technology Co.,Ltd.,Jinhu 211600,China)

Wastewater sterilization: completely new method
Wastewater sterilization: completely new method "vortex ...

We have investigated the treatment effectiveness by using Magnetic Vortex Activator AVS-100 from two methods: I th method – sterilization of chromium-containing wastewater by Cr 6+ up to Cr 3+ and using the reagent (sulfuric acid iron); II th – combined neutralization and treatment from the heavy metals ions of chromium-containing wastewater and acid-base wastewater.

Acid-assisted Recycling of Fe(OH)3 Sludge as Coagulant for ...
Acid-assisted Recycling of Fe(OH)3 Sludge as Coagulant for ...

the coagulant cost. This study examined the ,acid, recovery and reusability of ,iron, coagulant for the MWF ,wastewater treatment,. In addition, FeCl 3 was used as a representative metal coagulant, while HCl was used in the ,acid, solubilisation process. Without MWF contamination, the Fe(OH) 3 to HCl ratios of 3:1 and 3:2 were required to

Treatment of Electroplating Wastewater by Adsorption Technique
Treatment of Electroplating Wastewater by Adsorption Technique

hexavalent chromium (Cr+6) using scrap ,iron, filings in both synthetic ,wastewater,, ,containing, 30 mg/L of Cr+6, and chromium plating ,wastewater,. Optimum condition for removal of Cr+6 was found to be at pH 3, ,iron, particle sizes (35 – 200) mesh, agitating rate 250 rpm, contact time 180 minutes and ,iron, dosage of 1 g. It was also observed that

Feasibility of Utilizing Acid Mine Drainage Sludge in an ...
Feasibility of Utilizing Acid Mine Drainage Sludge in an ...

the primary and secondary units are to be dosed with ,iron,-,containing, materials. Various ,iron,-,containing, materials including those in aqueous (e.g., ferric chloride) or solids (e.g., ,acid, mine sludge) can possibly be used in these ,treatment, units. The primary unit is a clarifier where the ,iron, is mixed with raw ,wastewater, to remove phosphorus

Polyacrylamide for steel wastewater
Polyacrylamide for steel wastewater

The treatment of mine acid wastewater generally adopts the lime neutralization method. Iron and steel plant wastewater treatment uses anionic polyacrylamide as a flocculant to treat wastewater produced in steel plants. Anionic polyacrylamide only needs to be used in …

THE TREATMENT OF ACID WASTEWATER CONTAINING LEAD …
THE TREATMENT OF ACID WASTEWATER CONTAINING LEAD …

the ,treatment of acid wastewater containing, lead in production of storage batteries by ,iron, scraps-microelectrolysis method Zhang Shuhai~1 Jiang Fengqin~2 Ren Yonghong~3(1.Huaian Environmental Monitoring Central Station,Huaian 223001,China;2.Jiangsu Environmental Monitoring Cental,Nanjing 210036,China;3.Jiangsu Lishi Science and Technology Co.,Ltd.,Jinhu 211600,China)

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

In this article we will discuss about the methods and procedures to treat and control ,wastewater from iron and steel, industry. ADVERTISEMENTS: The ,iron, and steel industry, as treated here, includes pig ,iron, production, steel making, rolling operations and those finishing operations common in steel mills, i.e. cold reduction, tin plating and galvanising.

Feasibility of Utilizing Acid Mine Drainage Sludge in an ...
Feasibility of Utilizing Acid Mine Drainage Sludge in an ...

the primary and secondary units are to be dosed with ,iron,-,containing, materials. Various ,iron,-,containing, materials including those in aqueous (e.g., ferric chloride) or solids (e.g., ,acid, mine sludge) can possibly be used in these ,treatment, units. The primary unit is a clarifier where the ,iron, is mixed with raw ,wastewater, to remove phosphorus

Iron (Fe) and water - Water Treatment and Purification
Iron (Fe) and water - Water Treatment and Purification

Iron compounds are applied in wastewater treatment, usually as coagulants. One example is iron sulphate application in phosphate removal. Literature and the …

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

wastewater treatment,. Some successes in ,wastewater containing, heavy metal ions ,treatment, has recently been achieved by SRB. And it has become a hot point and front line gambit among the field of relevant ,wastewater treatment,. A. Chromium-,Containing Wastewater, . Acidic ,wastewater, from electroplating, tanning, mining

Advancements in the Fenton Process for Wastewater Treatment
Advancements in the Fenton Process for Wastewater Treatment

8/6/2019, · Meanwhile, the iron complex produced in the treatment of wastewater by Fenton will play the role of flocculant. The conventional Fenton continuous flow process configuration, as illustrated in Figure 1, including acid regulation, catalyst mixing, oxidation reaction, neutralization, and solid–liquid separation.

Process design scheme of treatment of non-ferrous metal ...
Process design scheme of treatment of non-ferrous metal ...

Corpus ID: 98886751. Process design scheme of ,treatment, of non-ferrous metal smelting ,acid wastewater containing, arsenic and ,iron,. @article{Dejun2010ProcessDS, title={Process design scheme of ,treatment, of non-ferrous metal smelting ,acid wastewater containing, arsenic and ,iron,.}, author={Bian De-jun and Ren Qingkai and H. Xi and Pan YaKun and Zhou Lin-feng}, journal={Environmental Science ...

Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...
Enriched Co-Treatment of Pharmaceutical and Acidic Metal ...

Abstract: Among traditional hazardous waste sources, pharmaceutical-containing wastewater and acidic mine drainage need treatment to preserve the expected water supply quality. A nano zero-valent iron (nZVI)-enriched treatment of these two streams is evaluated for simultaneous removal

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

wastewater treatment,. Some successes in ,wastewater containing, heavy metal ions ,treatment, has recently been achieved by SRB. And it has become a hot point and front line gambit among the field of relevant ,wastewater treatment,. A. Chromium-,Containing Wastewater, . Acidic ,wastewater, from electroplating, tanning, mining

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