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Wastewater Treatment Systems

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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Wastewater Treatment Systems
Recovery of Acid and Base from Sodium Sulfate Containing ...
Recovery of Acid and Base from Sodium Sulfate Containing ...

BMED can convert sodium sulfate wastes into sulfuric acid and sodium hydroxide, both of which can be used as raw materials for upstream processes, realizing closed-loop production and presenting economic benefits through reduced costs.

Recovery of Acid and Base from Sodium Sulfate Containing ...
Recovery of Acid and Base from Sodium Sulfate Containing ...

22/2/2021, · BMED can convert sodium sulfate wastes into, sulfuric acid, and, sodium hydroxide,, both of which can be used as raw materials for upstream processes, realizing closed-loop production and presenting economic benefits through reduced costs.

Removal of Sulfate from Industrial Wastewaters
Removal of Sulfate from Industrial Wastewaters

Removal of ,sulfate, from industrial wastewaters J. R. Christoe In many countries, the amount of ,sulfate, that can be discharged to a sewer is limited to 300 to 600 mg/1. It is restricted because of the effect of ,sulfate, ions on the ,wastewater,-reticulation system. They form ,sulfate,-aiuminate complexes that swell and crack concrete made from nonresistant

CN106565050A - Folic acid wastewater treatment process ...
CN106565050A - Folic acid wastewater treatment process ...

The folic acid ,wastewater, treatment process comprises the following steps: precise filtration of folic acid ,wastewater,: the precise filtration is precoating filtration or direct filtration; acid separation, purification and recycling: a step of adsorbing hydrochloric acid and sulfuric acid in precisely-filtered ,wastewater, by adopting macroporous resin, after adsorption saturation of the macroporous resin, carrying out …

:: Journal of Korean Society of Environmental Engineers
:: Journal of Korean Society of Environmental Engineers

Wastewater, produced by fatty acid production contains high concentration of organic substances and high concentration of salts (mainly ,sodium sulfate,), causing great pollution to water resources and environment. The pollution prevention and control of this type of ,wastewater, are very necessary.

Recovery of Acid and Base from Sodium Sulfate Containing ...
Recovery of Acid and Base from Sodium Sulfate Containing ...

low-value sodium sulfate waste salts that result. In this research, bipolar membrane electrodialysis (BMED) technology was developed to treat waste sodium sulfate containing lithium carbonate for conversion of low-value sodium sulfate into high-value sulfuric acid and sodium hydroxide. Both can be used as raw materials in upstream processes.

Is there any way to separate sodium sulfate with water ...
Is there any way to separate sodium sulfate with water ...

Wastewater, with an initial ,sulfate, concentration below 8000 mg/L, or which has already been treated using gypsum precipitation, is adjusted to a pH of 10.5 with hydrated lime.

US5346620A - Process for waste water treatment by removal ...
US5346620A - Process for waste water treatment by removal ...

The present invention is a process for treatment of, waste, water streams having a, sodium sulfate, content of, above 20 percent., The process is useful for treating waste water generated in the...

Recovery of Acid and Base from Sodium Sulfate Containing ...
Recovery of Acid and Base from Sodium Sulfate Containing ...

low-value ,sodium sulfate, waste salts that result. In this research, bipolar membrane electrodialysis (BMED) technology was developed to treat waste ,sodium sulfate, containing lithium carbonate for conversion of low-value ,sodium sulfate, into high-value sulfuric acid and ,sodium, hydroxide. Both can be used as raw materials in upstream processes.

Sonolytic Decolorization of Textile Wastewater Containing ...
Sonolytic Decolorization of Textile Wastewater Containing ...

Persulfate (PS) assisted US was appeared to be better over the ,sodium sulfate, (SS)-assisted US, giving 87.51% decolorization efficiency for the textile ,wastewater, containing all the three dyes together (200mgL-1) at a PS dosage of 1500mgL-1 and the sonication time of 120min.

ELIMINATION OF SODIUM SULFATE FROM BIOLOGICALLY …
ELIMINATION OF SODIUM SULFATE FROM BIOLOGICALLY …

In one embodiment of the application, the ,sodium sulfate, concentration in the ,wastewater, stream is controlled below the Shanghai Discharge Standard for Municipal Sewerage System (DB31/445-2009) limit. In another embodiment, the ,sodium sulfate, concentration in the ,wastewater, stream is …

Treatment of sodium sulfate wastewater from a certain H ...
Treatment of sodium sulfate wastewater from a certain H ...

Treatment of ,sodium sulfate wastewater, from a certain H ,acid, enterprise in Binzhou ,Sodium sulfate, MVR Evaporation Crystallization Project The organic matter of high salinity organic ,wastewater, varies greatly according to the production process, and the types and chemical properties of the organic matter are quite different.The salt substances are mostly Cl-, SO42-, Na+, Ca2+ ,etc.

Treatment of sodium sulfate wastewater from a certain H ...
Treatment of sodium sulfate wastewater from a certain H ...

Treatment of ,sodium sulfate wastewater, from a certain H acid enterprise in Binzhou ,Sodium sulfate, MVR Evaporation Crystallization Project The organic matter of high salinity organic ,wastewater, varies greatly according to the production process, and the types and chemical properties of the organic matter are quite different.The salt substances are mostly Cl-, SO42-, Na+, Ca2+ ,etc.

Removal of Sulfate from Industrial Wastewaters
Removal of Sulfate from Industrial Wastewaters

Removal of ,sulfate, from industrial wastewaters J. R. Christoe In many countries, the amount of ,sulfate, that can be discharged to a sewer is limited to 300 to 600 mg/1. It is restricted because of the effect of ,sulfate, ions on the ,wastewater,-reticulation system. They form ,sulfate,-aiuminate complexes that swell and crack concrete made from nonresistant

Method 1658: The Determination of Phenoxy-Acid Herbicides ...
Method 1658: The Determination of Phenoxy-Acid Herbicides ...

The ,acid, forms of the herbicides are strong acids that react readily with alkaline substances and can be lost during analysis. Glassware, glass wool, and all other apparatuses should be rinsed with dilute hydrochloric or sulfuric ,acid, prior to use. ,Sodium sulfate, and other reagents that can be acidified should be acidified to preclude

Is there any way to separate sodium sulfate with water ...
Is there any way to separate sodium sulfate with water ...

Many industrial wastewaters, particularly those associated with mining and mineral processing, contain high concentrations of sulfate. The most common method for removing high concentrations of...

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