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Treatment of acid wastewater is

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 of acid wastewater is
The Proceedings of the International Conference on Power ...
The Proceedings of the International Conference on Power ...

The results indicate that the oxidation rates are obviously lower than the ,sulfuration, rates; increasing temperature helps to improve the oxidation rate; with the increase of the Cr content in the alloy, the oxidation rate constant increases at first and then falls; the critical value of the Cr content to form the protective scale can be reduced by increasing the alloy interdiffusion velocity, and the critical value ,of sulfuration, …

A Tool for Efficient Fertilizer and Water Management
A Tool for Efficient Fertilizer and Water Management

Phosphoric ,acid, is usually used in industrial processes such as cleaning metal surfaces. It is supplied in plastic containers with a specific gravity of 1.6. In fertigation, phosphoric ,acid, is used to clean fertigation lines from inorganic precipitates as well as opening clogs in drippers, and at …

December 2019 – RSC Advances Blog
December 2019 – RSC Advances Blog

Gallic ,acid,-functionalized graphene hydrogel as adsorbent for removal of chromium (III) and organic dye pollutants from tannery ,wastewater, Gongyan Liu, Ruiquan Yu, Tianxiang Lan, Zheng Liu, Peng Zhang and Ruifeng Liang RSC Adv., 2019,9, 27060-27068. DOI: 10.1039/c9ra05664e . Submit to ,RSC Advances, today!

Functional Mesoporous Silica Nanomaterials for Catalysis ...
Functional Mesoporous Silica Nanomaterials for Catalysis ...

The continuous degradation of air and water quality by the release of VOCs (benzene, toluene, carboxylic ,acid,, methanol, formaldehyde (H 2 CO), acetone, trichloroethylene, dichloromethane, perchloroethylene, isopentane, isohexane, etc.) is dangerous to human health and the environment. 300 To improve the quality of our surroundings, it is necessary to filter out VOCs continuously.

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