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Dilute hydrochloric acid in high concentration acid wastewater containing chlorine

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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Dilute hydrochloric acid in high concentration acid wastewater containing chlorine
Aqueous photochemical degradation of mefenamic acid and ...
Aqueous photochemical degradation of mefenamic acid and ...

In the past decades, aquatic pollution by residual pharmaceuticals and personal care products (PPCPs) has been a major concern. Discharges from ,wastewater, treatment plants (WWTPs) have been recognized as one of the most important sources of PPCPs (Tanoue et al. 2015).Previous reports have detected PPCPs in aquatic environments such as ,wastewater, effluent (Daouk et al. 2016), rivers and fish ...

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · ,Acid mine, drainage is the formation and movement of highly, acidic water, rich in heavy metals. This, acidic water, forms through the chemical reaction of surface, water, (rainwater, snowmelt, pond, water,) and shallow subsurface, water, with rocks that …

Nitric acid - Wikipedia
Nitric acid - Wikipedia

Nitric acid, (H NO 3), also known as aqua fortis (Latin for "strong water") and spirit of niter, is a highly corrosive mineral ,acid,.. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. Most commercially available ,nitric acid, has a concentration of 68% in water.

DECOLORIZATION OF COLORED WASTEWATER CONTAINING AZO ACID …
DECOLORIZATION OF COLORED WASTEWATER CONTAINING AZO ACID …

In this paper, the decolorization of colored textile ,wastewater, was investigated using Photo-Fenton process. ,Acid, Blue 92 (AB92) was used as an azo ,acid, dye model. The effect of decolorization parameters such as ferrous ion concentration, dye concentration and sodium salts (acetate, ,nitrate,, carbonate and bicarbonate) were investigated.

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