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The acidity of wastewater after filtration of purified water

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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The acidity of wastewater after filtration of purified water
Methods of Removing Heavy Metals from Industrial Wastewater
Methods of Removing Heavy Metals from Industrial Wastewater

wastewater containing, heavy metals often involve ... particular for treating water with ,low concentration, of heavy metals [29, 30]. In this process cations or anions ,containing, special ion exchanger is used to remove ... nickel, ,copper and zinc ions,, in the solutions. Similarly,

Adsorption capability of brewed tea waste in waters ...
Adsorption capability of brewed tea waste in waters ...

16/10/2020, · As can be seen from Fig. 3a the removal percentage of the Pb and Cd ,ions, was ,low, when the pH was 2 or 3 as ,acidic, ... ,copper,(II) ,ions, from ... ,and zinc, from soil washing ,wastewater, ...

Treatment of Industrial Wastewater by Organic Wastes
Treatment of Industrial Wastewater by Organic Wastes

introduced with 850 ml ,acidic, industrial ,wastewater, rich in ferric iron characterized by ,low, pH, polluted with presence of metals like cobalt, ,zinc,, ,copper,, lead, manganese, nickel and iron. The experiment was run for three months. After retention period of four,

Treatment of zinc plating wastewater by combination of ...
Treatment of zinc plating wastewater by combination of ...

The effect of ,wastewater, pH on ,zinc, removal was investigated by using a 100 kDa ultrafiltration membrane at pH 3, 5, 8, 9 and 11 and the results are presented in Figure 2. It can be seen from Figure 2 that the ,zinc, removal increased from 92.4 to 99.9% when the pH increased from 3 to 9 and slightly decreased with the further increase in pH.

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