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deep well drilling waste liquid residue emission treatment technology

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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deep well drilling waste liquid residue emission treatment technology
A Critical Review of Removal of Zinc from Wastewater
A Critical Review of Removal of Zinc from Wastewater

metal-,containing, waste products that may sometimes be more toxic than their parent ones. For this reason, additional disposal methods are required. In addition, they are often expensive, especially when the heavy metal concentrations are very ,low, (e.g., 10–100 mg/L) and ineffective, since a …

Treatment of Wastewater Containing a Mixture of Heavy ...
Treatment of Wastewater Containing a Mixture of Heavy ...

wastewaters ,containing, a high ,concentration, of heavy metal ,ions, (Cu2+, Zn2 +, Ni2+). The sorption results of heavy metal mixtures (Cu-Zn, Cu-Ni) from model solutions of sulfate salts on a strong-acid KU-2–8 cation exchanger in the H+-form were presented. The metals ,concentration, was 10–50 meq/dm3. The efficiency conditions of cation

Using of zeolite for copper and zinc removal under acidic ...
Using of zeolite for copper and zinc removal under acidic ...

The batch experiments were carried out to determine the effect of initial ,concentration of copper,/,zinc, solution at pH=4.0 onto natural hornbeam and hornbeam modified with NaOH and KOH.

Recovery of Copper Nickel and Zinc from Wastewater via ...
Recovery of Copper Nickel and Zinc from Wastewater via ...

In this study, the gold refinery ,wastewater, that contains ,copper,, nickel ,and zinc, in the chloride and nitrate media has been used. Since the ,wastewater, was supplied from the gold refining process, the solution were strongly acidic (pH below 0). In order to adapt the pH for metal extraction firstly caustic solution was added to adjust pH to 1.

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