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Removal of iron ions from 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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Removal of iron ions from acid wastewater
Alginate-Based Hydrogel Beads as a Biocompatible and ...
Alginate-Based Hydrogel Beads as a Biocompatible and ...

To mimic effluent produced by a typical ,dye,-house, a synthetic ,dye wastewater, up 0.03 g/L methyl violet 2B and 2 g/L Na2SO4 at pH 3 and 100° was prepd. and treated by both membranes with a membrane chromatog. process. The extent of ,dye, removal decreased to 84-93% for the P81 membrane, which may be attributable to salt ion competition or pH.

Removal of reactive blue 19 dyes from textile wastewater ...
Removal of reactive blue 19 dyes from textile wastewater ...

The ,dye, remaining concentration (removal efficiency) in ,dye, concentrations of 10, 25 and 50 at pH = 3 were equal with 3.21 mg/l (68%), 4.575 mg/l (81.7%) and 6.8 mg/l (86%), respectively. Figure 2: Effect of pH on ,dye, remaining concentration and removal percentage of reactive blue 19 dyes: ((a) C 0 = 10 mg/l, (b) C 0 = 25 mg/l, (c) C 0 = 50 mg/l)

Waste water from textile industry - SlideShare
Waste water from textile industry - SlideShare

In regards to waste-water, dyestuffs may be classified into two groups; those that don’t undergo chemical reactions (acid, basic, direct, disperse, pigment, and solvent), and …

Materials | Free Full-Text | The Change from Past to ...
Materials | Free Full-Text | The Change from Past to ...

The research on dyeing ,wastewater, treatment has been often focused on reactive dyes for three ,main, reasons: (i) reactive dyes represent an increasing market share, because they are used to ,dye, cotton fibers, which makes up about half of the world’s fiber consumption; (ii) a large fraction, typically around 30% of the applied reactive dyes, is wasted due to the ,dye, hydrolysis in alkaline ,dye, ...

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