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Generation mechanism of acid mine 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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Generation mechanism of acid mine wastewater
Catalytic Oxidation of Dyeing Wastewater by Copper Oxide ...
Catalytic Oxidation of Dyeing Wastewater by Copper Oxide ...

31/10/2020, · The dyeing industry is one of the, seriously water-polluted industries, in China. The amount of wastewater generated from such industry is relatively large, and most of the dye in the wastewater is toxic, carcinogenic and hard to be biodegraded (Feng et al. 2012; Li et al. 2019).

Recent trends and developments in Fenton processes for ...
Recent trends and developments in Fenton processes for ...

Zhang et al. (2018) converted ferric and biological sludge from a real ,dyeing wastewater, treatment plant into a magnetic biochar Fenton heterogeneous catalyst under hydrothermal conditions. 47% COD and 49% TOC removal were achieved after 30 min under optimized conditions (1 g L −1 catalyst and 8.82 mM H 2 O 2), and after four cycles; the leached iron was less than 0.9 mg L −1 after five ...

Azo Dye - an overview | ScienceDirect Topics
Azo Dye - an overview | ScienceDirect Topics

Water-soluble azo dyes based on H-,acid,, J-,acid, and Gamma-,acid, represent a very important class of dyes for ,dyeing, hydrophilic textiles such as cotton and viscose rayon. Cotton is the world’s most widely used textile fabric so the tonnages of these water-soluble dyes are extremely large.

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · Advanced oxidation could degrade the organisms and reduce the toxicity of this ,wastewater,, but it is too expensive to be used to deal with a great amount of ,dyeing wastewater,. The membrane separation technique could also obtain high pollutants remove rate, but the high cost of the membrane and the energy also hinder the technique from widely application.

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