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What kind of alkali is used for acidic industrial wastewater

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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What kind of alkali is used for acidic industrial wastewater
Quick Guide To Industrial Wastewater Treatments | Howden
Quick Guide To Industrial Wastewater Treatments | Howden

Wastewater, from ,acid, manufacturing plants or industries where acids are used as raw materials or catalysts will inevitably contain acids in the waste stream. Removal of these pollutants require strategies involving, ion exchange, adsorption, solvent extraction, ,membrane separation,, reactive distillation, reactive extraction, ,membrane, based solvent extraction, emulsion liquid ,membrane, ...

Treatment and reuse of coalmine wastewater in Vietnam ...
Treatment and reuse of coalmine wastewater in Vietnam ...

Complete membrane recovery was achieved by sequential 24 h soakings in NaOCl, citric acid and a surfactant. coalmine wastewater , domestic reuse , manganese removal , membrane cleaning , membranes , precipitation

(PDF) Phosphate Separation and Recovery from Wastewater …
(PDF) Phosphate Separation and Recovery from Wastewater …

Current applications of SED are mostly dedicated to nutrient ,recovery, from wastewaters or effluents, especially, phosphorus [156,161,162], as phosphate anion at 76% ,recovery, …

Treatment and reuse of coalmine wastewater in Vietnam ...
Treatment and reuse of coalmine wastewater in Vietnam ...

According to Buzzi et al. (2013), electrodialysis is suitable for recovering water from AMD, with contaminant removal efficiencies greater than 97%. However, the precipitation of iron at the surface of the cation-exchange membrane results in scaling blockage of the membrane pores, which reduced the efficiency of the process.

Membrane Technology - Ecotechnol
Membrane Technology - Ecotechnol

Environmental applications of membrane technology range from treating Acid Mine Drainage (AMD), to cost effectively comply with surface discharge standards. Our membrane technology can also assist in the management and treatment of process plant wastewater …

AMS Technologies - Environmental Benefits
AMS Technologies - Environmental Benefits

Membrane, technology has gained worldwide acceptance as a leading ,separation, technology due to its reliability, simplicity and low deployment and operating costs. As a result, ,membrane separation, technology such as ultrafiltration, nanofiltration and reverse osmosis are increasingly used to treat dilute streams and effluents generated in mining and mineral processing.

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

Membrane separation processes can also be used in processing wastewater for water recovery and recycling within the metal-plating industry within the context of zero discharge. Because of their high selectivity and thus high-quality permeate production, RO or NF have the capacity to be used as stand-alone technologies or in conjunction with another traditional water treatment method.

Final Report | An Electrochemical Method for Acid Mine ...
Final Report | An Electrochemical Method for Acid Mine ...

The wastewater stream from mining operations would flow into the waste chamber where metal and hydrogen ions migrate across the cation permeable membrane into the recovery chamber. In the recovery chamber, the formation of hydroxide ions balance the positive ions that have migrated from the waste chamber through the cation permeable membrane.

Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...
Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...

Recovery, of sulphuric ,acid, and added value metals (Zn, Cu and rare earths) from acidic ,mine, waters using nanofiltration membranes ,Separation, and Purification Technology, Vol. 212 A critical review on remediation, reuse, and resource ,recovery, from ,acid mine, drainage

Membrane Technology - Ecotechnol
Membrane Technology - Ecotechnol

Environmental applications of membrane technology range from treating Acid Mine Drainage (AMD), to cost effectively comply with surface discharge standards. Our membrane technology can also assist in the management and treatment of process plant wastewater in order to recover heavy metals and/or reagents.

Membrane Distillation (Water and Wastewater) Articles
Membrane Distillation (Water and Wastewater) Articles

Membrane, distillation (MD) is a promising thermally-driven ,membrane separation, technology for water desalination. In MD, water vapor is being separated from the hot feed water solution using a micro-porous hydrophobic ,membrane,, due to the difference in vapor pressures across the ,membrane,.

Mine drainage: Remediation technology and resource recovery
Mine drainage: Remediation technology and resource recovery

An electrodialysis (ED) membrane process was evaluated for the recovery of sulfuric acid from AMD generated in the chalcopyrite mining industry with a metal removal pretreatment using cationic ion exchange (Aydin, Yuzer, Hasancebi, & Selcuk, 2019 ). Over 90% of …

Extraction and recovery of lithium | Industrial wastewater ...
Extraction and recovery of lithium | Industrial wastewater ...

In this process phosphoric ,acid, is recovered by treatment of hydroxyapatite with sulfuric ,acid,, with formation of hydrated calcium sulphate (gypsum) that has applications for construction: Ca 5 (PO 4 ) 3 .OH + 5H 2 SO 4 → 5CaSO 4 .2H 2 O + H 3 PO 4

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

Membrane separation, processes can also be used in processing ,wastewater, for water ,recovery, and recycling within the metal-plating industry within the context of zero discharge. Because of their high selectivity and thus high-quality permeate production, RO or NF have the capacity to be used as stand-alone technologies or in conjunction with another traditional water treatment …

Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...
Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...

Recovery, of sulphuric ,acid, and added value metals (Zn, Cu and rare earths) from acidic ,mine, waters using nanofiltration membranes ,Separation, and Purification Technology, Vol. 212 A critical review on remediation, reuse, and resource ,recovery, from ,acid mine, drainage

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