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Recovery of acid wastewater from titanium dioxide by membrane process

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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Recovery of acid wastewater from titanium dioxide by membrane process
Wastewater containing Cr(VI) treatment using solar tubular ...
Wastewater containing Cr(VI) treatment using solar tubular ...

Thus, the, tubular reactor,, which was designed and built, was effective when applied to the treatment of real, wastewater containing, Cr(VI), using a photochemical reduction process. Furthermore, the use of a solar, tubular reactor, minimizes the electricity requirements, making it an …

INDUSTRIAL WASTEWATER TREATMENT TECHNOLOGIES
INDUSTRIAL WASTEWATER TREATMENT TECHNOLOGIES

Industrial, Wastewaters (IWW) means the water or liquid that carries waste from ,industrial, or processes, if it is distinct from domestic ,wastewater,. IWW may result from any process or activity of industry which uses water as a reactant or for transportation of heat or materials.

Wastewater Treatment Plant - Industrial Waste Water ...
Wastewater Treatment Plant - Industrial Waste Water ...

Unistar manufacturer waster water ,treatment, plant for Electroplating industry ,wastewater treatment plant, has various kinds ,containing, such as cyanogen, chromium (,Cr,), copper (Cu), zinc (Zn), phosphorized ,wastewater,.Besides these chemical elements, there are also some other metal ions, their contained elements and densities are very different; Additionally different manufacturing process and business scope makes different density for the same ,waste water,…

Highly Effective Removal of Toxic Cr(VI) from Wastewater ...
Highly Effective Removal of Toxic Cr(VI) from Wastewater ...

The presence of coexisting ions slightly affected the Cr(VI,) removal, efficiency of ASSA. Experiment with real, wastewater, sample, containing, 47.34 mg/L of Cr(VI) demonstrated that by the use of only 0.03 g/25 mL of, ASSA,, almost 100%, removal, was achieved at pH 2.0, which suggests its potential application in, wastewater treatment, plants.

Photocatalytic treatment of industrial wastewater ...
Photocatalytic treatment of industrial wastewater ...

Many researches have been performed about use of photocatalysis processes in treatment of industrial wastewater. The additional advantage is coming from sensitivity of the Cr(VI) photo reduction to the surface catalytic effects or to the presence of an additional electron donor and acceptors; then, a synergistic effect was observed in two- or multi-component systems.

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

Heavy Metals ,Wastewater Treatment, System (Chrome Removal) Chromium is present in the wastewaters of a number of industries, including: stainless steel manufacturing, protective coatings on metal, magnetic tapes, chrome plating, tanneries, textile dyes production, pigments and paint production, production of cement, paper, rubber, etc. Chromium is ...

Wastewater sterilization: completely new method
Wastewater sterilization: completely new method "vortex ...

We have investigated the, treatment, effectiveness by using Magnetic Vortex Activator AVS-100 from two methods: I th method – sterilization of, chromium-containing wastewater, by Cr 6+ up to Cr 3+ and using the reagent (sulfuric acid iron); II th – combined neutralization and, treatment, from the heavy metals ions of, chromium-containing wastewater, and acid-base, wastewater.

Treatment of high-concentration chromium-containing ...
Treatment of high-concentration chromium-containing ...

Biological ,treatment, of chromium-,containing wastewater, has great potential due to its economy, efficiency and safety (Pradhan et al. 2017). In the late 1970s, Romanenko & Koren'Kov (1977) isolated a genus (Pseudomonas) that can reduce ,Cr,(VI) under anaerobic conditions. This was the first report of microbial reduction of ,Cr,(VI).

PHOTOCATALYTIC TREATMENT OF INDUSTRIAL WASTEWATER ...
PHOTOCATALYTIC TREATMENT OF INDUSTRIAL WASTEWATER ...

toxic heavy metal contaminated ,wastewater, prior to its discharge to the environment. The aim of this study was to apply co-,treatment, of ,industrial wastewater containing, citric ,acid, and toxic heavy metals in single and binary systems using photocatalysis process. The hydrothermal method was used to synthesise dandelion-like TiO 2 structures.

Electroplating Industrial Wastewater Treatment Systems ...
Electroplating Industrial Wastewater Treatment Systems ...

Electroplating ,wastewater treatment, equipment Easy Operation . Background: The composition of electroplating ,wastewater, is very complicated. Except for cyanide-,containing, (CN-) ,wastewater, and ,acid,-base ,wastewater,, heavy metal ,wastewater, is a potentially hazardous ,wastewater, category in the electroplating industry.

Removal of Hexavalent Chromium-Contaminated Water and ...
Removal of Hexavalent Chromium-Contaminated Water and ...

20/11/2008, · ,Industrial, sources of Cr(VI) include leather tanning, cooling tower blowdown, plating, electroplating, anodizing baths, rinse, waters,, etc. This article includes a survey of removal techniques for Cr(VI)-contaminated aqueous solutions. A particular focus is given to adsorption, membrane filtration, ion exchange, and electrochemical, treatment, methods.

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

Heavy Metals Wastewater Treatment System (Chrome Removal) Chromium is present in the wastewaters of a number of industries, including: stainless steel manufacturing, protective coatings on metal, magnetic tapes, chrome plating, tanneries, textile dyes production, pigments and paint production, production of cement, paper, rubber, etc. Chromium is ...

SOLUTION FOR WASTEWATER PROBLEM ... - Industrial Pollution
SOLUTION FOR WASTEWATER PROBLEM ... - Industrial Pollution

Treatment, with sulphur dioxide to high concentration of ,Cr, and Cu under controlled condition and using sodium (carbonate to precipitate ,Cr,) gives hydrated chromium oxide of high purity. The addition of sulphur dioxide to the ,wastewater, shows a considerable decrease in impurities. Only 1.9 parts

Photocatalytic treatment of industrial wastewater ...
Photocatalytic treatment of industrial wastewater ...

Many researches have been performed about use of photocatalysis processes in ,treatment, of industrial ,wastewater,. The additional advantage is coming from sensitivity of the ,Cr,(VI) photo reduction to the surface catalytic effects or to the presence of an additional electron donor and acceptors; then, a synergistic effect was observed in two- or multi-component systems.

INDUSTRIAL WASTEWATER TREATMENT TECHNOLOGIES
INDUSTRIAL WASTEWATER TREATMENT TECHNOLOGIES

Characteristics of ,wastewater, from industrial sources vary with the type and the size of the facility and the on-site ,treatment, methods, if any. Because of this variation, it is often difficult to define typical operating conditions for industrial activities. Options available for the ,treatment, of IWW are summarized briefly in next figure.

Wastewater containing Cr(VI) treatment using solar tubular ...
Wastewater containing Cr(VI) treatment using solar tubular ...

Thus, the tubular reactor, which was designed and built, was effective when applied to the treatment of real wastewater containing Cr(VI), using a photochemical reduction process. Furthermore, the use of a solar tubular reactor minimizes the electricity requirements, making it an …

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