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Acidity of wastewater from iron and steel works

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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Acidity of wastewater from iron and steel works
IOP Conference Series: Materials Science and Engineering ...
IOP Conference Series: Materials Science and Engineering ...

adsorption ,of heavy metal, has been widely studied. Based on the current studies, the article reviewed the main characteristics of biochar, its ,influencing factors, (preparation temperature, feed stocks, functional group et.) on adsorption ,of heavy, metals in water and its mechanism of

Construction of a Lignosulfonate–Lysine Hydrogel for the ...
Construction of a Lignosulfonate–Lysine Hydrogel for the ...

The CLS–Lys adsorbent is characterized by Fourier transform infrared spectroscopy, field-emission scanning electron microscopy, thermal analysis, and zeta potential analysis. The performance of the CLS–Lys adsorbent under different ,influencing factors, is studied. The kinetic and isothermal models of the CLS–Lys adsorbent are established.

Factors influencing the contents of metals and as in soils ...
Factors influencing the contents of metals and as in soils ...

Factors influencing the contents of, metals and as in soils around ,the watershed of Guanting Reservoir, China,. Li Xu Regional Ecological Risk Assessment and Environmental Management Group, State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.

Risk assessment of heavy metals in the surface sediment at ...
Risk assessment of heavy metals in the surface sediment at ...

26/2/2020, · The Xiangjiang River is an important drinking water resource for the Hunan Province of China. It is crucial to ascertain the pollution status, ,influencing factors,, ecological risks, and possible sources ,of heavy, metals in the sediments of the Xiangjiang River. Sediment is both a source and a sink ,of heavy, metals in aquatic ecosystems.

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