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Accident of acid wastewater treatment

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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Accident of acid wastewater treatment
The solution for sulphuric acid in wastewater | Almeco
The solution for sulphuric acid in wastewater | Almeco

The wastewater must meet certain standards. To remove the sulphides from the water, you could add a dose of FeCl3 directly into the reactor. By adding iron chloride, the hydrogen sulphide is converted to a slightly soluble iron sulphide with formation of hydrochloric acid (HCl).

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 and the …

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)

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

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 industrial wastewater treatment.

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

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)

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

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 ...

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 industrial wastewater treatment.

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

TREATING INDUSTRIAL WASTEWATER – Flexi Systems
TREATING INDUSTRIAL WASTEWATER – Flexi Systems

Customised Industrial ,Wastewater Treatment, Systems Our High Concentration Cyanide Decomposition System can treat ,wastewater containing, cyanide with concentrations of up to hundred thousands PPM and achieve 99.99% removal rate.

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

The solution for sulphuric acid in wastewater | Almeco
The solution for sulphuric acid in wastewater | Almeco

The wastewater must meet certain standards. To remove the sulphides from the water, you could add a dose of FeCl3 directly into the reactor. By adding iron chloride, the hydrogen sulphide is converted to a slightly soluble iron sulphide with formation of hydrochloric acid (HCl).

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

TREATING INDUSTRIAL WASTEWATER – Flexi Systems
TREATING INDUSTRIAL WASTEWATER – Flexi Systems

Customised Industrial ,Wastewater Treatment, Systems Our High Concentration Cyanide Decomposition System can treat ,wastewater containing, cyanide with concentrations of up to hundred thousands PPM and achieve 99.99% removal rate.

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 ...

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