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Can hydrated lime treat acid 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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Can hydrated lime treat acid wastewater
Arsenic removal from industrial wastewater
Arsenic removal from industrial wastewater

arsenic, could be removed, methods of sewage treatment were searched for in hydrometallurgy, chemistry sulfuric ,acid, and water ,purification,.Relatively low cost and easy insertion into existing ,wastewater, treatment plants wererequired. Several methods ,of arsenic removal, were tested: - preparations sulphide precipitation, - Ca(OH) 2 precipitation,

Arsenic Removal and Recovery from Copper Smelting ...
Arsenic Removal and Recovery from Copper Smelting ...

Removal and recovery of high levels of arsenic (As) in copper smelting wastewater present a great environmental challenge. A novel approach was investigated for the first time using, TiO2, for As adsorptive removal from wastewater and subsequent spent adsorbent regeneration and As …

Arsenic in Water: Determination and Removal | IntechOpen
Arsenic in Water: Determination and Removal | IntechOpen

21/11/2017, · ,Removal of arsenic, and, arsenic, species from, water, Different methods can be applied for, arsenic removal from water. Arsenic, (V) is more effectively, removed, than As (III) by both conventional and nonconventional methods. Pretreatmen (preoxidation) of As (III) to As (V) is an essential step for better, removal, [ 2 ].

Disposal of high-arsenic waste acid by the stepwise ...
Disposal of high-arsenic waste acid by the stepwise ...

The sulfuric acid in the high-arsenic waste acid is first removed by, calcium carbonate, generating gypsum, and then the arsenic in the solution is precipitated in form of scorodite., Gypsum, with an arsenic leaching concentration below 5 mg L −1 is obtained at a final pH of 0.5 in the, calcium carbonate, …

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