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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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solid waste disposal service
Adsorption Technique for the Removal of Organic Pollutants ...
Adsorption Technique for the Removal of Organic Pollutants ...

28/6/2012, · ,Adsorption, has advantages over the other ,methods, because of simple design and can involve low investment in term of both initial cost and land required. The ,adsorption, process is widely used for ,treatment, of industrial ,wastewater, from organic and inorganic pollutants and meet the great attention from the researchers.

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.

A review on the occurrence of micropollutants in the ...
A review on the occurrence of micropollutants in the ...

1/3/2014, · MBRs possess the following advantages over conventional ,wastewater treatment, in the following aspects (Ngo et al., 2012) such as high effluent quality, excellent microbial separation ability, absolute control of SRTs and HRTs, high biomass content and less sludge bulking problem, low-rate sludge production, small footprint and limited space requirement, and possibilities for a flexible and ...

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 gypsum pond water having a pH closely matching that of the surroundings. Essentially all fluorides are insolubilized and substantially all ,phosphoric acid, is recovered, minimizing loss to the environment.

Purification Of Industrial Wastewater - Shanghai Chemex ...
Purification Of Industrial Wastewater - Shanghai Chemex ...

Industrial ,wastewater, is a by-product of factories whose entry into the environment and has devastating effects on the ecosystem and the life cycle of animals, plants, and the environment, so the ,treatment, of industrial ,wastewater, and its ,methods, are very important.

Identifying optimal solutions for wastewater treatment in ...
Identifying optimal solutions for wastewater treatment in ...

Some of the conventional ,methods, (which can be differentiated into physical, chemical, biological and thermal ,treatment,) remove at least certain pharmaceuticals and might already suffice. Activated Sludge Process is for example a ,common, (biological ,treatment,) method that leverages microorganisms to degrade organic compounds in the ,wastewater,.

(PDF) Wastewater of Textıle Industry and Its Treatment ...
(PDF) Wastewater of Textıle Industry and Its Treatment ...

There are traditional methods which are formed by the pyhical, chemical and biological methods for refining the textile industry wastewater (Abo et al., 1988). Koagulation and flocculation: Koagulation-flocculation refining methods are generally used in order to eliminate organic materials.

Resource utilization of pickling wastewater (waste acid)
Resource utilization of pickling wastewater (waste acid)

The ,acid, pickling ,wastewater, (waste ,acid,) produced by steel rolling, metal surface ,treatment, and heat ,treatment industry, is mainly hydrochloric ,acid wastewater, and sulfuric ,acid wastewater,. The impurities in the waste ,acid, are mainly Fe2 +, Fe3 +, and a small amount of zinc, copper and other heavy metal ions.

Water Treatment Methods for Contaminated Drinking Water ...
Water Treatment Methods for Contaminated Drinking Water ...

Various ,water treatment methods for contaminated, water are reviewed and the pros and cons of each are discussed. This series of articles explains many ,common, water contamination tests for bacteria and other contaminants in water samples.

PHYSICAL AND CHEMICAL WASTEWATER TREATMENT METHODS
PHYSICAL AND CHEMICAL WASTEWATER TREATMENT METHODS

1. Physical ,Wastewater Treatment Methods,. 1.1. Screening. Screening is the first step at any ,wastewater treatment, system. This process essentially involves the removal of large non-biodegradable and floating solids that frequently enter a ,wastewater, works, such as rags, papers, plastics, tins, containers and wood.

Treatment of Wastewater from Fish Processing Industry ...
Treatment of Wastewater from Fish Processing Industry ...

The effect of chitosan acetate and chitosan lactate prepared from chitosan obtained by N-deacetylation of chitin from ,common, lobster (Panulirus argus), as coagulants/flocculants for depurating ,wastewater, of fish processing ,industry, was evaluated. Experiments were carried out by Jar tests varying chitosan ,acid, salts concentration and pH. The results were evaluated in terms of reduction of total ...

Wastewater treatment - Wikipedia
Wastewater treatment - Wikipedia

Wastewater treatment, is a process used to remove contaminants from ,wastewater, or sewage and convert it into an effluent that can be returned to the water cycle with acceptable impact on the environment, or reused for various purposes (called water reclamation). The ,treatment, process takes place in a ,wastewater treatment, plant (WWTP). For domestic ,wastewater, (also called municipal ,wastewater, …

Principal wastewater constituents Treatment methods for ...
Principal wastewater constituents Treatment methods for ...

Treatment methods, for ,wastewater, . ,WASTEWATER, Industrial ww Municipal (domestic) ww Characteristics of industrial ww vary from ,industry, to ,industry, Industrial ,wastewater, with characteristics compatible with municipal ww is often discharged to municipal sewers ... an ,acid, solution 3 2 2 4 2 n a b c 2 7 H O cNH 2dCr 2 a 8 d 3c C H O N dCrO (8 d c ...

Typical Wastes Generated by Industry Sectors | Hazardous ...
Typical Wastes Generated by Industry Sectors | Hazardous ...

26/11/2019, · Potential Recycling, ,Treatment,, and Disposal ,Methods, Potential Pollution Prevention ,Methods,; Unloading and Cleaning Tank Trucks and Rail Cars: ,Acid, or alkaline cleaners, ethyl benzene, residuals (heels) from shipment of product or hazardous waste, residues from ,wastewater treatment,, spent solvents, volatile organic emissions, and ,wastewater

(PDF) Wastewater of Textıle Industry and Its Treatment ...
(PDF) Wastewater of Textıle Industry and Its Treatment ...

There are traditional ,methods, which are formed by the pyhical, chemical and biological ,methods, for refining the textile ,industry wastewater, (Abo et al., 1988). Koagulation and flocculation: Koagulation-flocculation refining ,methods, are generally used in order to eliminate organic materials.

PHYSICAL AND CHEMICAL WASTEWATER TREATMENT METHODS
PHYSICAL AND CHEMICAL WASTEWATER TREATMENT METHODS

1. Physical ,Wastewater Treatment Methods,. 1.1. Screening. Screening is the first step at any ,wastewater treatment, system. This process essentially involves the removal of large non-biodegradable and floating solids that frequently enter a ,wastewater, works, such as rags, papers, plastics, tins, containers and wood.

ENVIRONMENTAL ISSUES CAUSED BY RUBBER INDUSTRY | The ...
ENVIRONMENTAL ISSUES CAUSED BY RUBBER INDUSTRY | The ...

3/10/2011, · The land ,treatment, system resulted high removal efficiency for nitrogen.In recent years, many studies were carried out to treat ,wastewater, from this ,industry, by biological ,methods, such as ASP (activated sludge process) and use of oxygenic phototrophic bacteria for treating latex rubber sheet ,wastewater, These studies aim at improving the efficient ,treatment, of ,wastewater, from this ,industry, …

Biochar technology in wastewater treatment: A critical ...
Biochar technology in wastewater treatment: A critical ...

1/8/2020, · Additional studies are still need to: (1) develop the new low-cost and high-efficiency modification technology of biochar, (2) increase the practical application of biochar in ,wastewater treatment,, especially in industrial ,wastewater, and municipal ,wastewater treatment,, and (3) further improve the adsorption capacity of biochar on heavy metals, organic contaminants, nitrogen and …

Resource utilization of pickling wastewater (waste acid)
Resource utilization of pickling wastewater (waste acid)

The ,acid, pickling ,wastewater, (waste ,acid,) produced by steel rolling, metal surface ,treatment, and heat ,treatment industry, is mainly hydrochloric ,acid wastewater, and sulfuric ,acid wastewater,. The impurities in the waste ,acid, are mainly Fe2 +, Fe3 +, and a small amount of zinc, copper and other heavy metal ions.

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