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What harm does acid waste water do to people

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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What harm does acid waste water do to people
Dye Waste Water Treatment COD
Dye Waste Water Treatment COD

compounds, along with acidic and alkaline contaminants, from industries on the general public are widely accepted.The dyes are mainly aromatic or heterocyclic compounds, with colour-containing groups and polar groups. The structure is complicated and stable, resulting in higher difficulty to …

Textile dye wastewater characteristics and constituents of ...
Textile dye wastewater characteristics and constituents of ...

and alkaline, conditions. Metals, salt, surfactants, Colour ,and alkaline,/,acidic, conditions Sizing De-sizing Scouring Mercerising ,Dyeing, Colour, metals, urea, formaldehyde and solvents. Printing Finishing Softeners, solvents, resins and waxes. Fig. 1 Themainpollutantsdischargedfromeachstepoftextilewet processing(afterHolkaretal.(2016))

Textile dyeing and textile wastewater treatment ...
Textile dyeing and textile wastewater treatment ...

It is dependent on the covalent bond strength between the fiber and dye against alkaline and acid hydrolysis, and the efficient use of water to remove unreacted dye from the substrate. The degree by which dyes are fixed on to fiber and get discharged into the …

Decolorization of dyeing wastewater and characterization ...
Decolorization of dyeing wastewater and characterization ...

Under ,acidic, and neutral conditions, zeta potential was higher than that under the ,alkaline, condition. The ,dyeing, compounds usually have negative charges on their surfaces ( Gao et al. 2011 ). Therefore, the reactive red dyes could be effectively removed by PAFC-EPI-ETA due to their high positive charges under weakly ,acidic, and neutral pHs.

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