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Neutralization of acid wastewater by sulfuric acid

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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Neutralization of acid wastewater by sulfuric acid
An International Journal of Research and Development ...
An International Journal of Research and Development ...

waste mitigation, MBR and forward osmosis for biowaste mitigation,Effluent or influent ,wastewater treatment by electro,-coagulation, Toxic metal separation and recovery, Desulfurization, ,Acid,/flue gas separation Dionysios Dionysiou, University of Cincinnati, Environmental Engineering and Science Program, Department

Catalysts | Special Issues - MDPI
Catalysts | Special Issues - MDPI

Special Issues,. ,Catalysts, runs ,special issues, to create collections of papers on specific topics. The aim is to build a community of authors and readers to discuss the latest research and develop new ideas and research directions.

Cyanide Destruction Methods and Processes
Cyanide Destruction Methods and Processes

Detoxification processes are used to reduce the concentrations of toxic constituents in tailings streams and process solutions, either by dilution, removal, or conversion to a less toxic chemical form (sometimes referred to as“destruction” or “degradation” in the case of toxic cyanide species). The objective is to produce an effluent that meets limits or guidelines that have been set ...

Zirconium Oxychloride - an overview | ScienceDirect Topics
Zirconium Oxychloride - an overview | ScienceDirect Topics

The filtrate is concentrated and cooled off to crystallize out zirconium ,oxychloride,. The mother solution of zirconium ,oxychloride, crystallization contains a high amount of free ,acid, and scandium with about 400–1200 ppm. The main impure ions are zirconium, hafnium, ,titanium,, rare earths, thorium, and so on.

Catalysts | Special Issues - MDPI
Catalysts | Special Issues - MDPI

Special Issues,. ,Catalysts, runs ,special issues, to create collections of papers on specific topics. The aim is to build a community of authors and readers to discuss the latest research and develop new ideas and research directions.

An International Journal of Research and Development ...
An International Journal of Research and Development ...

waste mitigation, MBR and forward osmosis for biowaste mitigation,Effluent or influent ,wastewater treatment by electro,-coagulation, Toxic metal separation and recovery, Desulfurization, ,Acid,/flue gas separation Dionysios Dionysiou, University of Cincinnati, Environmental Engineering and Science Program, Department

Metal-organic framework membranes for wastewater treatment ...
Metal-organic framework membranes for wastewater treatment ...

1/2/2020, · The number of MOF membranes used in ,wastewater treatment and water regeneration, are also gradually increasing. For ,wastewater treatment and water regeneration,, MOF can serve as fillers in thin-film nanocomposite (TFN) membranes and mixed matrix membrane (MMM) to form MOF-based composite membranes.

Radionuclide Transfer in the Zirconium Oxychloride ...
Radionuclide Transfer in the Zirconium Oxychloride ...

The waste ,acid, transfer tank in ,wastewater, treatment plants is an intermediate storage facility, which is used to transfer the third cycle waste ,acid, to the waste ,acid, treatment plant. According to the analysis results of the water samples shown in Table 3 , the concentration of uranium and thorium in the waste ,acid, of the third cycle is much higher than that of the second cycle.

Treatment of petrochemical wastewater and produced water ...
Treatment of petrochemical wastewater and produced water ...

An integral ,treatment, process was proposed, including a pretreatment (microaerobic hydrolysis and acidification, MOHA), a biological ,treatment, (anoxic/oxic process, A/O), and an advanced ,treatment, (micro‐flocculation dynasand filtration and ,catalytic, ozonation, MFDF‐CO) and demonstrated in China's biggest petrochemical ,wastewater treatment, (Wu, Li, et al., 2018).

Vanadium oxytrichloride | Cl3H3OV - PubChem
Vanadium oxytrichloride | Cl3H3OV - PubChem

Vanadium oxytrichloride should be stored in tightly closed containers away from moisture, heat, sparks, flames, and combustible materials (e.g., oil, wood, or paper). Vanadium oxytrichloride may be shipped via air (cargo only), road, and water, in containers bearing the label, "Corrosive."

Our key our solution h2o.TITANIUM | Environmental XPRT
Our key our solution h2o.TITANIUM | Environmental XPRT

Our solution, the h2o.,TITANIUM, reactors, is also our main competitive advantage: the manufacture of MONOBLOCK ,TITANIUM, DIOXIDE REACTORS for the production of hydroxyl radicals through the action of UV radiation, with much greater simplicity and reliability than the other methods of producing it, and at a very competitive cost for the market.

Evaluation of advanced oxidation processes for water and ...
Evaluation of advanced oxidation processes for water and ...

1/8/2018, · Homogeneous ,catalytic, ozonation can be described as a three-step ,catalytic, cycle as approached by Pines and Reckhow (2002) using Co(II) as a catalyst and oxalic ,acid,: (1) formation of Co(II)-oxalate complex, (2) ,oxidation, by ozone to Co(III)-oxalate complex, and (3) decomposition of Co(III)-oxalate complex forming an oxalate radical and Co(II).

Recent advances and prospects of catalytic advanced ...
Recent advances and prospects of catalytic advanced ...

Anodic ,oxidation, and indirect ,electro,-,oxidation, are the simplest EAOPs for the ,oxidation, of recalcitrant compounds. The organic pollutants are commonly degraded by (i) direct electron transfer at the anode, which yields very poor decontamination, and (ii) ·OH that is formed as an intermediate product from H 2 O ,oxidation, to O 2 at the anode surface that leads to total or …

Insights into the Role of Humic Acid on Pd-catalytic ...
Insights into the Role of Humic Acid on Pd-catalytic ...

A three-electrode column for Pd-,catalytic oxidation, of TCE in groundwater with automatic pH-regulation and resistance to reduced sulfur compound foiling. Water Res. 47, 269–278 (2013).

Metal-organic framework membranes for wastewater treatment ...
Metal-organic framework membranes for wastewater treatment ...

1/2/2020, · The number of MOF membranes used in ,wastewater treatment and water regeneration, are also gradually increasing. For ,wastewater treatment and water regeneration,, MOF can serve as fillers in thin-film nanocomposite (TFN) membranes and mixed matrix membrane (MMM) to form MOF-based composite membranes.

Cyanide Destruction Methods and Processes
Cyanide Destruction Methods and Processes

Detoxification processes are used to reduce the concentrations of toxic constituents in tailings streams and process solutions, either by dilution, removal, or conversion to a less toxic chemical form (sometimes referred to as“destruction” or “degradation” in the case of toxic cyanide species). The objective is to produce an effluent that meets limits or guidelines that have been set ...

Characterisation of titanium tetrachloride and titanium ...
Characterisation of titanium tetrachloride and titanium ...

Titanium, tetrachloride (TiCl4) or ,titanium, sulfate (Ti(SO4)2) as an alternative coagulant in water treatment has been explored for the removal of various pollutants from contaminated water or ...

Titanium Ore - an overview | ScienceDirect Topics
Titanium Ore - an overview | ScienceDirect Topics

1.9.3.2 Recovery of Scandium From Acidic ,Wastewater, of Zirconium ,Oxychloride, Robert J. Feuling [168] invented a method to recover scandium from zircon chlorination residue. In the process of zirconium production, zircon sands are chlorinated at about 1000°C, leaving scandium in the residue with a …

Evaluation of advanced oxidation processes for water and ...
Evaluation of advanced oxidation processes for water and ...

1/8/2018, · Homogeneous ,catalytic, ozonation can be described as a three-step ,catalytic, cycle as approached by Pines and Reckhow (2002) using Co(II) as a catalyst and oxalic ,acid,: (1) formation of Co(II)-oxalate complex, (2) ,oxidation, by ozone to Co(III)-oxalate complex, and (3) decomposition of Co(III)-oxalate complex forming an oxalate radical and Co(II).

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