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Acid mine wastewater from tunnel slag

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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Acid mine wastewater from tunnel slag
Journal of Sol-Gel Science and Technology Journal Impact ...
Journal of Sol-Gel Science and Technology Journal Impact ...

The ,Journal of Sol-Gel Science and Technology, Journal Impact IF 2020-2021 is 2.008. More IF Analysis, Trend, Ranking & Prediction.

Chinese Journal of Chemical Physics
Chinese Journal of Chemical Physics

Photocatalytic ,degradation, of ,organic, pollutants has become a hot research topic because of its low energy consumption and environmental-friendly characteristics. Bismuth oxide (Bi2O3) nanocrystals with a bandgap ranging between 2.0-2.8 eV has attracted increasing attention due to high activity of photodegradation of ,organic, pollutants by utilizing visible light.

The role of nickel in the water sector | Nickel Institute
The role of nickel in the water sector | Nickel Institute

Nickel-containing, stainless steels, are used throughout the water cycle, from water harvesting to wastewater disposal. They offer the ideal combination of high strength and low maintenance, with a lifespan greater than 100 years, more than compensating for any higher initial investment.

Removing Heavy Metals from Wastewater | Products Finishing
Removing Heavy Metals from Wastewater | Products Finishing

14/8/2018, · ,Nickel, is a hazardous constituent and is not exempted. The addition of, wastewaters, from the zinc/nickel process will cause your filter press cake to become a “listed” RCRA, hazardous waste, with the F006 designation, resulting in significant increases to your …

[PDF] TREATMENT OF NICKEL-CONTAINING WASTEWATER USING ...
[PDF] TREATMENT OF NICKEL-CONTAINING WASTEWATER USING ...

Abstract—Electro-Fenton (EF) and Convention Fenton (CF) processes were used to treat the ,wastewater containing nickel, and citric acid as its chelating agent. A stainless steel reactor was used for all the experiments. For the EF experiments, the reactor also served as the cathode while the anode is rod-type titanium metal coated with IrO2/RuO2. The ,nickel, and COD removal were studied. Mere ...

Publications - CCEM
Publications - CCEM

Zhu, H., et al., Preparation of metal–,organic, framework films by electrophoretic deposition ,method,. Materials Letters 142, 19-22 (2015) Zhu, H., Q. Zhang, S. Zhu, Preparation of raspberry-like ZIF-8/PS composite spheres via dispersion polymerization , Dalton Transactions 44, 16752-16757 (2015)

Membrane-free electrodeionization using phosphonic acid ...
Membrane-free electrodeionization using phosphonic acid ...

15/9/2019, · Actually, the nickel containing wastewater usually contains, 2–5 mg/L nickel, ions, after pretreatment of pH adjustment, coagulation sedimentation, adsorption or electrochemical separation . Reverse osmosis [18] , [19] , nanofiltration [20] , [21] or electrodeionization [22] , [23] can remove almost all the ions, by a single process or an integrated one, and the treated water can meet the standards of …

Publications - jchew@ntu.edu.sg
Publications - jchew@ntu.edu.sg

Zhao, S. Yang, L. Zhang and J.W. Chew, “Understanding the varying discharge rates of lognormal particle size distributions from a hopper using the Discrete Element ,Method,…

Photocatalytic materials for energy and environment | EMRS
Photocatalytic materials for energy and environment | EMRS

Recently, numerous studies have been concentrated on the ,degradation, of toxic ,organic, compounds in ,wastewater, via photocatalysis of various semiconductors. Among the photocatalysts, TiO2 is the most preferable one for the photocatalytic process because of its photosensitivity, non-toxic nature, low cost and physicochemical stability.

Removal of nickel from electroplating wastewater by ion ...
Removal of nickel from electroplating wastewater by ion ...

There are many resins that can be used to treat, nickel containing wastewater,, such as weak, acid, cation exchange resin (chelating resin), and strong, acid, cation resin can also absorb, nickel, ion, but this resin is easily affected by the salt and calcium and magnesium in, nickel containing wastewater., The we,ak acid, cation resin (chelating resin) with high exchange capacity, fast exchange speed, easy regeneration, high mechanical strength and small expansion is often used in the, wastewater, ...

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

Dr Cheng Fang / Staff Profile / The University of ...
Dr Cheng Fang / Staff Profile / The University of ...

On-line monitoring in photocatalytic ,degradation, process of ,organic, compound 4-chlorophenol (4-CP) was carried out by using cyclic voltammetry and UV-Vis spectrometry. The result showed that the ,degradation, process undertook at least a two-route mechanism to the complete mineralization: through redox pairs of benzoquinone(BQ) and hydrobenzoquinone(HQ) and of hydroxybenzoquinone(HBQ) and ...

Recovery of metallic nickel from waste sludge produced by ...
Recovery of metallic nickel from waste sludge produced by ...

reusing of the, nickel containing wastewater, is strongly expected. Closed-recycle system or so-called effluent-free technology should be developed. Electrocoagulation uses no chemicals as coagulating agents. These are generated during the electrolysis process by electrodissolution, of, a sacrificial anode made, of, aluminium or iron.

Chapter 3 Removing Nickel from Wastewater
Chapter 3 Removing Nickel from Wastewater

In this application, a user is discharging a wastewater that contains nickel ion, at a concentration of 0.002 moles/Kg H2O., The existing treatment strategy is to precipitate the nickel ion as Nickel Hydroxide (Ni(OH)2). The soluble nickel remaining after precipitation is less than 1 …

Journal of Membrane Science | Standard Journal ...
Journal of Membrane Science | Standard Journal ...

Abbreviation of ,Journal of Membrane Science,. The ISO4 abbreviation of ,Journal of Membrane Science, is J. Membr. Sci. . It is the standardised abbreviation to be used for abstracting, indexing and referencing purposes and meets all criteria of the ISO 4 standard for abbreviating names of scientific journals.

Keywords A - mipdatabase.com
Keywords A - mipdatabase.com

acidic, pharmaceuticals. Zorita S et al., Selective determination ,of acidic, pharmaceuticals in ,wastewater, using molecularly imprinted solid-phase extraction. Analytica Chimica Acta, 626, (2), 147-154, (2008) ,Acidic, products. Mujahid A et al., Monitoring automotive oil ,degradation,: analytical tools and onboard sensing technologies.

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