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Treatment process of acid degreasing 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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Treatment process of acid degreasing wastewater
AQUEOUS PROCESSING (General Abstract Session)
AQUEOUS PROCESSING (General Abstract Session)

Acidic sulphate-,containing wastewater, streams are currently neutralized with lime before discharge to the environment. The most common neutralization process design involves a one-step neutralization followed by a settling tank that separates an ultra-fine, low solids density gypsum by-product.

Identification of Two Iron− Chromate Precipitates in a Cr ...
Identification of Two Iron− Chromate Precipitates in a Cr ...

26/2/1996, · A study on the sulphuric ,acid, leaching of copper converter slag in the presence of ,dichromate,. Minerals Engineering 2004, 17 (3) , 465-467. DOI: 10.1016/j.mineng.2003.11.002. Dirk Baron, Carl D. Palmer. Solid-solution aqueous-solution reactions between ,jarosite, (KFe3(SO4)2(OH)6) and its chromate analog.

Biomining of gallium and germanium containing ores ...
Biomining of gallium and germanium containing ores ...

The gallium- or germanium-,containing, host material or ore (e.g. ,jarosite,, geothite, limonite, hematite, etc.) is preferably first crushed, comminuted or otherwise broken down into smaller pieces or particles. Generally the smaller the size of the crushed ore the greater the amount of desired metal compound extractable during the process.

US5137640A - Process for the separation of arsenic acid ...
US5137640A - Process for the separation of arsenic acid ...

A process for reducing arsenic levels in a solution ,containing, sulfuric ,acid,, water, and arsenic ,acid, by adding copper or a copper-,containing, compound to the solution to form dissolved copper arsenate, adding alkali solution to precipitate the copper arsenate and to neutralize arsenic and sulfuric ,acid,.

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