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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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Recent advances in heterogeneous photocatalytic ...
Recent advances in heterogeneous photocatalytic ...

1.1. ,Photocatalytic, Decolorization in Water and ,Wastewater, Treatment. Generally, dyes are complex unsaturated aromatic compounds with accomplishing characteristics like color, intensity, solubility, fastness, and substantiveness [1, 2].It could be compounds with different coloring particles, each varying in type from each other in terms of chemical composition, and are used for coloring ...

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

Liu et al. 54 used UV irradiation and titanium dioxide (TiO 2) catalysis for the decomposition of azo ,dye, and demonstrated that TiO 2 has ,photocatalytic, efficiency for azo ,dye acid, black 1 in water. Bin and Sobera-Madej 55 studied the ,photocatalytic, decomposition of textile dyes on TiO 2 -titania A11 and TiO 2 …

TiO2-Assisted Degradation of Environmentally Relevant ...
TiO2-Assisted Degradation of Environmentally Relevant ...

The ,photocatalytic, degradation of two environmentally relevant organic compounds [4-chlorophenol (4-CP) and p-toluenesulfonic ,acid, (PTSA)] was investigated using a novel cylindrical fluidized bed photoreactor (FBPR).Accumulated biodegradable organic acids, identified as intermediate reaction products, decreased after the removal of original pollutants.

DECOLORIZATION AND BIODEGRADABILITY OF DYEING WASTEWATER ...
DECOLORIZATION AND BIODEGRADABILITY OF DYEING WASTEWATER ...

To investigate the degradation of dyeing chemicals by photo-,oxidation,, 4 dyeing chemicals, Caledon Red FB, Dispersal ,Scarlet,, Dispersal Yellow and Solophenyl Orange T4RL, were used in synthetic ,wastewater, samples. Each ,wastewater, sample was exposed to light irradiation for 6 hours and analytical

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

Daneshvar, D. Salari, A.R. Khataee, ,Photocatalytic, degradation of azo ,dye acid, red 14 in water on ZnO as an alternative catalyst to TiO2. Journal of Photochemistry and Photobiology A: Chemistry ...

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

Full article: A critical review on advances in the ...
Full article: A critical review on advances in the ...

28/12/2020, · ,Photocatalytic, degradation has been reported for treatment of ,dye, containing ,wastewater,. Heterogeneous ,photocatalytic oxidation, is one of the most important technique among the AOPs which is commonly known as photo-catalysis [73, 74]. Semiconductor nanoparticles are used for ,photocatalytic, degradation of organic contaminants.

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 ...

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

Liu et al. 54 used UV irradiation and titanium dioxide (TiO 2) catalysis for the decomposition of azo ,dye, and demonstrated that TiO 2 has ,photocatalytic, efficiency for azo ,dye acid, black 1 in water. Bin and Sobera-Madej 55 studied the ,photocatalytic, decomposition of textile dyes on TiO 2 -titania A11 and TiO 2 …

Photocatalytic degradation of AZO dyes by supported TiO2 ...
Photocatalytic degradation of AZO dyes by supported TiO2 ...

The ,photocatalytic, degradation performance of photocatalysts TiO2 supported on 13-X, Na-Y, 4A zeolites with different 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 ...

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.

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, …

10.1016/j.desal.2010.04.017 | DeepDyve
10.1016/j.desal.2010.04.017 | DeepDyve

Hence there is a need to develop treatment methods that are more effective in eliminating dyes from the ,wastewater, [10] . Recently there has been considerable interest in the utilization of advanced ,oxidation, processes (AOPs) for the complete destruction of dyes.

Biodegradation of Azo Dye compounds - SlideShare
Biodegradation of Azo Dye compounds - SlideShare

Dye, containing ,wastewater, treatment is considered to be one of the challenging areas in the environmental fraternity. A number of physico-chemical methods, such as adsorption, coagulation, precipitation, filtration and ,oxidation,, have been used to treat dyestuff effluents, but these methods have many disadvantages and limitations.

DECOLORIZATION AND BIODEGRADABILITY OF DYEING WASTEWATER ...
DECOLORIZATION AND BIODEGRADABILITY OF DYEING WASTEWATER ...

To investigate the degradation of dyeing chemicals by photo-,oxidation,, 4 dyeing chemicals, Caledon Red FB, Dispersal ,Scarlet,, Dispersal Yellow and Solophenyl Orange T4RL, were used in synthetic ,wastewater, samples. Each ,wastewater, sample was exposed to light irradiation for 6 hours and analytical

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 degradation of AZO dyes by supported TiO2 ...
Photocatalytic degradation of AZO dyes by supported TiO2 ...

The ,photocatalytic, degradation performance of photocatalysts TiO2 supported on 13-X, Na-Y, 4A zeolites with different 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 ...

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, …

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