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Discharge standard of stainless steel acid wastewater

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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Discharge standard of stainless steel acid wastewater
Wastewater Treatment Of Coal Chemical Industry - Screen ...
Wastewater Treatment Of Coal Chemical Industry - Screen ...

The evaporator can generally increase the salt content in the waste water to more than 20%. The salt brine discharged from the evaporator is usually sent to the evaporation pond for natural evaporation and crystallization, or to the crystallizer, where the crystallization is dried to solid, and then transported to the landfill area for burial.

Wastewater from Coffee Processing Industry and Its Treatment
Wastewater from Coffee Processing Industry and Its Treatment

Coffee ,factory, wastewaters contain high concentration of organics such as sugars, peptides phenols and pectines. Nutrient concentrations in pulpery ,wastewater, have low values of Nitrogen Phosphorus and Sulphur (Refer Table 1.0). The biodegradability of this water can be measured as a function of COD constituted by BOD oscillating between 33 and 83%.

WO2012018038A1 - Method and device for treating acetic ...
WO2012018038A1 - Method and device for treating acetic ...

The present invention relates to a method and an apparatus for treating wastewater discharged from a food factory or the like and containing acetic acid and further peracetic acid....

Minamata disease - Wikipedia
Minamata disease - Wikipedia

Minamata disease is a disease of the central nervous system, a poisoning caused by long-term consumption, in large amounts, of fish and shellfish from Minamata Bay. The causative agent is methylmercury. Methylmercury produced in the acetaldehyde acetic acid facility of Shin Nihon Chisso's Minamata factory was discharged in factory wastewater...

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