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Acid wastewater is mainly hydrochloric acid

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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Acid wastewater is mainly hydrochloric acid
Possibilities of chromium (III) separation from acid ...
Possibilities of chromium (III) separation from acid ...

The acidified solution of K 2 Cr 2 O 7 is an indicator of the presence of reducing properties (e.g. ,Aldehyde,). K 2 Cr 2 O 7 solution of sulfuric ,acid, is known as chromic-sulfuric ,acid,. This mixture has very ,strong, oxidizing properties and is sometimes used in laboratories as a glass cleaner to remove the residual organic substances CrO 3

Determination of polyphenolic compounds in wastewater ...
Determination of polyphenolic compounds in wastewater ...

To avoid the problem all reagents used 3-Hydroxyphenyl acetic 20.641 296 + 281 + 252 + 164 + 147 in silylation were previously dried adding anhydrous sodium ,acid, Protocatetic ,aldehyde, 21.055 282 + 267 + 193 + 165 sulphate.

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

29/2/2012, · The ,wastewater, produced by a reactive dyeing contains [2,3]: (i) hydrolyzed reactive dyes not fixed on the substrate, representing 20-30% of the reactive dyes applied (on average 2 g/L) (this residual amount is responsible for the coloration of the effluents and cannot be recycled); (ii) dyeing auxiliaries or organic substances, which are non-recyclable and responsible for the high BOD/COD of ...

Reactivity of Peracetic Acid with Organic Compounds: A ...
Reactivity of Peracetic Acid with Organic Compounds: A ...

As an emerging oxidant and disinfectant, peracetic ,acid, (PAA) has increasingly been used in ,wastewater, treatment and the food and medical industries and has attracted greater research interest. To better understand reactions initiated by PAA, this paper is among the first to comprehensively review the reactivity of PAA with respect to organic compounds of various structures. The reactivities ...

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