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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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Textiles wastewater treatment technology: A review - Deng ...
Textiles wastewater treatment technology: A review - Deng ...

The discharge of textile ,dye wastewater, represents a serious environmental problem and public health ... provided a holistic review of the various study to treat textile ,wastewater, using UV‐TiO 2 ,photocatalytic oxidation, process. ... The authors reported that 92% of the Azo ,Dye Acid Scarlet, GR was decolorized under optimal conditions within ...

Photocatalytic degradation of AZO dyes by supported TiO ...
Photocatalytic degradation of AZO dyes by supported TiO ...

di•erent loading content was evaluated using the photocatalytic oxidation of dyes direct fast scarlet 4BS and acid red 3B in aqueous medium. The results showed that the best reaction dosage of TiO2–zeolite catalysts is about 2 g/l and the photocatalytic kinetics follows first order for all supported catalysts.

Photocatalytic Decolorization of Acid Red 186 Using ...
Photocatalytic Decolorization of Acid Red 186 Using ...

The size of catalyst particle is 20-50 mesh can filter easily. The kinetics of ,photocatalytic, degradation of the ,dye, was found to follow pseudo first-order kinetics according to Langumuir-Hinshelwood model. The results showed that the ,dye, removal efficiency found 98% after 160 min of …

Explanation of Mechanism of Photocatalytic Oxidation ...
Explanation of Mechanism of Photocatalytic Oxidation ...

The degradation mechanism of ,photocatalytic oxidation, to high concentrated organic contaminants ,in dye,-house effluent is expounded. Based on experiments and from study by mechanics and dynamics, the major factors influencing the rate of degradation are discussed.

Comparison of Photocatalytic Activities of Two Different ...
Comparison of Photocatalytic Activities of Two Different ...

wastewater, treatments, advanced ,oxidation, processes (AOPs) can be explored as an alternative in order to reduce the ,dye, compounds [9]. Among these processes, ,photocatalytic, method (TiO 2) can play an important role in new technologies of water and ,wastewater, purification. ,Photocatalytic, degradation techniques

Textiles wastewater treatment technology: A review - Deng ...
Textiles wastewater treatment technology: A review - Deng ...

The discharge of textile ,dye wastewater, represents a serious environmental problem and public health ... provided a holistic review of the various study to treat textile ,wastewater, using UV‐TiO 2 ,photocatalytic oxidation, process. ... The authors reported that 92% of the Azo ,Dye Acid Scarlet, GR was decolorized under optimal conditions within ...

Evaluation of the photo-catalytic oxidation process with ...
Evaluation of the photo-catalytic oxidation process with ...

The pH is related to the ionization of the surface of the reactants and products in the solution, since the degradation of the ,dye, occurs by the contribution of three reaction mechanisms: the hydroxyl radical attack, direct ,oxidation, by the positive gap and the direct reduction by the electron in the conduction band (depending on the nature of the substrate).

Ponceau 6R dye decoloration and chromate reduction ...
Ponceau 6R dye decoloration and chromate reduction ...

Ponceau 6R, or Crystal ponceau 6R, Crystal ,scarlet,, Bril-liant crystal ,scarlet, 6R, ,Acid, red 44, or C.I. 16250, is a red * Corresponding author. Tel.: ... of ,photocatalytic, methods for the ,oxidation, of dyes in ,waste-water, using TiO ... o is the initial absorbance of Ponceau 6R ,dye, before beginning the ,oxidation, process (without oxidant), A

(PDF) Treatment of textile dyehouse wastewater by TiO2 ...
(PDF) Treatment of textile dyehouse wastewater by TiO2 ...

this context, ,photocatalytic oxidation, may be used as an Grzechulska, J., Morawski, A.W., 2002. ,Photocatalytic, decomposi- efficient pre-treatment step to biological post-treatment tion of azo-,dye acid, black 1 in water over modified titanium of textile effluents since it does not generate toxic by- dioxide.

(PDF) Treatment of textile dyehouse wastewater by TiO2 ...
(PDF) Treatment of textile dyehouse wastewater by TiO2 ...

this context, ,photocatalytic oxidation, may be used as an Grzechulska, J., Morawski, A.W., 2002. ,Photocatalytic, decomposi- efficient pre-treatment step to biological post-treatment tion of azo-,dye acid, black 1 in water over modified titanium of textile effluents since …

Comparison of Photocatalytic Activities of Two Different ...
Comparison of Photocatalytic Activities of Two Different ...

wastewater, treatments, advanced ,oxidation, processes (AOPs) can be explored as an alternative in order to reduce the ,dye, compounds [9]. Among these processes, ,photocatalytic, method (TiO 2) can play an important role in new technologies of water and ,wastewater, purification. ,Photocatalytic, …

Effect of glucose on photocatalytic decolorization of dyes ...
Effect of glucose on photocatalytic decolorization of dyes ...

The effect of saccharides, such as glucose, on the ,photocatalytic, decolorization of various dyes has been investigated using TiO2 as a photocatalyst in an aqueous solution saturated with nitrogen. An azo ,dye,, such as Orangell, used as a typical ,dye,, was reduced by cleavage of the azo linkage, as evidenced by the production of sulfanilic ,acid,. All of the dyes tested were decomposed with first ...

Synthesis Characterization and Use of Novel Bimetal ...
Synthesis Characterization and Use of Novel Bimetal ...

The ,photocatalytic, efficiency of the synthesized nanobimetal catalyst was examined by using it for the ,photocatalytic, degradation of malachite green ,dye,. Experiments were conducted to study the effect of various parameters, such as the pH of the ,dye, solution, concentration of ,dye,, amount of catalyst, and light intensity on the rate of ,dye, degradation.

Explanation of Mechanism of Photocatalytic Oxidation ...
Explanation of Mechanism of Photocatalytic Oxidation ...

The degradation mechanism of ,photocatalytic oxidation, to high concentrated organic contaminants ,in dye,-house effluent is expounded. Based on experiments and from study by mechanics and dynamics, the major factors influencing the rate of degradation are discussed.

Ponceau 6R dye decoloration and chromate reduction ...
Ponceau 6R dye decoloration and chromate reduction ...

Ponceau 6R, or Crystal ponceau 6R, Crystal ,scarlet,, Bril-liant crystal ,scarlet, 6R, ,Acid, red 44, or C.I. 16250, is a red * Corresponding author. Tel.: ... of ,photocatalytic, methods for the ,oxidation, of dyes in ,waste-water, using TiO ... o is the initial absorbance of Ponceau 6R ,dye, before beginning the ,oxidation, process (without oxidant), A

Effect of glucose on photocatalytic decolorization of dyes ...
Effect of glucose on photocatalytic decolorization of dyes ...

The effect of saccharides, such as glucose, on the ,photocatalytic, decolorization of various dyes has been investigated using TiO2 as a photocatalyst in an aqueous solution saturated with nitrogen. An azo ,dye,, such as Orangell, used as a typical ,dye,, was reduced by cleavage of the azo linkage, as evidenced by the production of sulfanilic ,acid,. All of the dyes tested were decomposed with first ...

Photocatalytic Decolorization of Acid Red 186 Using ...
Photocatalytic Decolorization of Acid Red 186 Using ...

The size of catalyst particle is 20-50 mesh can filter easily. The kinetics of ,photocatalytic, degradation of the ,dye, was found to follow pseudo first-order kinetics according to Langumuir-Hinshelwood model. The results showed that the ,dye, removal efficiency found 98% after 160 min of reaction time.

Photocatalytic degradation of AZO dyes by supported TiO ...
Photocatalytic degradation of AZO dyes by supported TiO ...

di•erent loading content was evaluated using the photocatalytic oxidation of dyes direct fast scarlet 4BS and acid red 3B in aqueous medium. The results showed that the best reaction dosage of TiO2–zeolite catalysts is about 2 g/l and the photocatalytic kinetics follows first order for all supported catalysts.

Evaluation of the photo-catalytic oxidation process with ...
Evaluation of the photo-catalytic oxidation process with ...

The pH is related to the ionization of the surface of the reactants and products in the solution, since the degradation of the ,dye, occurs by the contribution of three reaction mechanisms: the hydroxyl radical attack, direct ,oxidation, by the positive gap and the direct reduction by the electron in the conduction band (depending on the nature of the substrate).

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