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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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Waste Water Treatment Methods | IntechOpen
Waste Water Treatment Methods | IntechOpen

Population growth leads to significant increases in default volumes of waste water, which makes it an urgent imperative to develop effective and affordable technologies for wastewater treatment. The physico-chemical processes common treatment (coagulation and flocculation) using various chemical reagents (aluminum chloride or ferric chloride, polyelectrolytes, etc.) and generates large amounts of sludge.

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · Nowadays, due to the increasing presence of molecules, refractory to the microorganisms in the ,wastewater, streams, the conventional biological ,methods, cannot be used for complete ,treatment, of the effluent and hence, introduction of newer technologies to convert it into less harmful or lower chain compounds which can be then treated biologically, has become imperative.

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Final treatment of iron and steel products before onward sale into manufacturing includes pickling in strong mineral acid to remove rust and prepare the surface for tin or chromium plating or for other surface treatments such as galvanisation or painting. The two acids commonly used …

(PDF) Wastewater Treatment Methodologies Review Article
(PDF) Wastewater Treatment Methodologies Review Article

development of uncon ventional methods for wastewater treatment, such as, pressure driven mem brane operations,, na,mely ultra ltration which helps eliminate colloids, sus pended and macromolecular

Alternative Disinfection Methods Fact Sheet: Peracetic Acid
Alternative Disinfection Methods Fact Sheet: Peracetic Acid

existing wastewater treatment facility has become apparent. The use of peroxygen chemical compounds has been practiced for years in Europe, but in the last several years water treatment companies have been considering the use of, peracetic acid (PAA), as an alternative to …

US5171452A - Phosphoric acid wastewater treatment - Google ...
US5171452A - Phosphoric acid wastewater treatment - Google ...

Phosphoric acid wastewater treatment to substantially eliminate discharge of contaminants to the environment., Acid pond water from conventional wet-phosphoric acid manufacturing is replaced by...

Highly efficient treatment of terephthalic acid wastewater ...
Highly efficient treatment of terephthalic acid wastewater ...

contains benzoic ,acid, (BA), p-toluic ,acid,, phthalic ,acid,, and 4-carboxybenzaldehyde [3,4]. Anaerobic biological ,treatment, has been intensively applied to the ,treatment, of PTA man-ufacturing ,wastewater, [5]; however, studies of the removal of organic components by this method are limited. Aerobic ,treatment, of PTA ,wastewater, has not been considered a

How Do Wastewater Treatment Plants Work? | SSI
How Do Wastewater Treatment Plants Work? | SSI

Acid, Dosing System; Moisture ... below will outline the stages of ,wastewater treatment,, examine a ,wastewater treatment, plant diagram and discuss some ,wastewater treatment methods, in ... most ,wastewater, undergoes ,treatment,. Worldwide, however, the practice of treating ,wastewater, is not as ,common,. According to the United Nations, about 80% of ...

Advanced Oxidation Processes (AOPs) in Wastewater Treatment
Advanced Oxidation Processes (AOPs) in Wastewater Treatment

18/9/2015, · ,Advanced oxidation, processes (AOPs) were first proposed in the 1980s for drinking water ,treatment, and later were widely studied for ,treatment, of different wastewaters. During the AOP ,treatment, of ,wastewater,, hydroxyl radicals (OH·) or sulfate radicals (SO4 ·−) are generated in sufficient quantity to remove refractory organic matters, traceable organic contaminants, or certain inorganic ...

Effects of microplastics on wastewater and sewage sludge ...
Effects of microplastics on wastewater and sewage sludge ...

15/2/2020, · It is well known that large amounts of sludge are produced during biological ,wastewater treatment,, which needs to be disposed, and the most ,common, treated method is digestion. It has been reported that in sludge digestion process microplastics affect microbial communities and inhibit sludge hydrolysis, acetic ,acid, accumulation, hydrogen generation and methane production [9] , [10] .

Microplastics in wastewater treatment plants: Detection ...
Microplastics in wastewater treatment plants: Detection ...

1/4/2019, · Alternative ,methods, for organic matters removal in ,wastewater, and sludge samples include alkaline ,treatment, and ,acid treatment, (Ziajahromi et al., 2017). However, the application of these ,methods, required extra concern. Coles et al. (2014) found that the harsh condition (10M of NaOH at 60 °C) would damage the microplastics.

Steam Stripping - Wastewater & Process Water Treatment ...
Steam Stripping - Wastewater & Process Water Treatment ...

Steam Stripping – Modular Systems for ,Wastewater Treatment, Stripping organic contaminants from a plant’s ,wastewater, stream is a major problem facing processing managers and engineers. High costs, aging infrastructures, tighter regulations, and greater water …

Study on Treatment of Salicylhydroxamic Acid Wastewater ...
Study on Treatment of Salicylhydroxamic Acid Wastewater ...

The common treatment methods for flotation wastewater in practical engineering are natural sunlight degradation, coagulation, and flocculation, which are difficult to achieve the removal effect. In recent years, advanced oxidation processes (AOPs) were considered as methods with application prospect to transform nonbiodegradable pollutants into harmless substances [ 5 ].

BARIUM CARBONATE TREATMENT OF SULFURIC ACID WASTEWATER ...
BARIUM CARBONATE TREATMENT OF SULFURIC ACID WASTEWATER ...

Proper ,treatment, of waste effluents containing sulfuric ,acid, is necessary before discharging the ,wastewater, into natural bodies of water or into municipal sewerage systems.

Highly efficient treatment of terephthalic acid wastewater ...
Highly efficient treatment of terephthalic acid wastewater ...

Treatment of terephthalic acid (TA) wastewater by a Fenton-like tourmaline/H 2 O 2 system combined with aerobic activated sludge was investigated. In the case of pre-treatment, Fenton-like oxidation was aimed at decomposing the fractions of TA wastewater that can be quite difficult to degrade

Wastewater Treatment-Physical and Chemical Methods
Wastewater Treatment-Physical and Chemical Methods

effective in the removal of chlorendic ,acid,, PCBs, and humic acids. Hartup17 developed a process involving FeCl3, Mg(OH)2, NaOH, NaOCl, and polymer ,treatment, of spent battery ,acid,, which achieved >99% removal of metals and generated half the sludge volume of conventional ,treatment methods,…

Quick Guide To Industrial Wastewater Treatments | Howden
Quick Guide To Industrial Wastewater Treatments | Howden

Wastewater from acid manufacturing plants or industries where acids are used as raw materials or catalysts will inevitably contain acids in the waste stream. Removal of these pollutants require strategies involving,, ion exchange, adsorption, solvent extraction, membrane separation, reactive distillation, reactive extraction, membrane based solvent extraction, emulsion liquid membrane separation, etc.

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