Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

oil gas field fracturing flow-back fluids separation techniques using

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

oil gas field fracturing flow-back fluids separation techniques using
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.

Research on the Removal Effect of Acidic Wastewater ...
Research on the Removal Effect of Acidic Wastewater ...

Steel slag which is a byproduct of the steelmaking process was found to be a low cost and promising adsorbent for the removal of Copper from ,acidic wastewater,. Batch experiments were conducted to study the main parameters such as dosage of adsorbent, particle size initial adsorbate concentration, contact time, kinetic, and pH solution on the sorption of Copper (II) by steel slag.

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.

Water | Free Full-Text | Dye Waste Treatment | HTML
Water | Free Full-Text | Dye Waste Treatment | HTML

The integrated sequential photocatalytic oxidation and membrane filtration were used for the treatment of dyestuff effluent . The combined effects of both heterogeneous photocatalytic oxidation and reverse osmosis membrane leads to complete decolorization of the synthetic dyestuff effluent as well as 90% reduction of initial organic content.

Photocatalytic decolorization of biebrich scarlet dye in ...
Photocatalytic decolorization of biebrich scarlet dye in ...

15/9/2010, · In the present study, the, photocatalytic decolorization, of biebrich, scarlet dye, (BS) has been investigated in a batch reactor under UV light in slurry mode using different nanophotocatalysts (TiO 2, ZnO, CdS and ZnS). ZnO was found to be a better, photocatalyst, among others for the, decolorization, of …

Acid mine drainage - Wikipedia
Acid mine drainage - Wikipedia

Acid mine drainage,, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of ,acidic, water from metal mines or coal mines.. Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks ...

Photocatalytic Degradation of Textile Dye and Wastewater ...
Photocatalytic Degradation of Textile Dye and Wastewater ...

1/3/2011, · Heterogeneous, photocatalysis, is one of the effective AOPs for, oxidation of dyes and textile wastewater, (De Moraes et al., 2000;Mahmoodi et al., 2006;Pekakis et al., 2006;Martins et al., 2006 ...

Study on Electrochemical Degradation of Acid Scarlet 3R ...
Study on Electrochemical Degradation of Acid Scarlet 3R ...

Based on a, static, experiment, this study researched the electrochemical oxidation process of simulated, dye wastewater, containing, Acid Scarlet, 3R in the two-dimensional electrolysing cell. This experiment investigated the effect of such various factors as current density, initial concentration, supporting electrolyte concentration, and the initial pH value on the color removal.

Recent Advances in Heterogeneous Photocatalytic ...
Recent Advances in Heterogeneous Photocatalytic ...

As far as the wastewater treatment technologies are concerned, different techniques have been utilized for the reduction and degradation of dispersed dyes such as chemical precipitation, H 2 O 2 adsorption, oxidation by chlorine, electrochemical treatment, ozone electrolysis, adsorption, ion pair extraction, flocculation, coagulation, membrane filtration, and specially the photocatalytic process [145–147].

Combinative Sonolysis and Photocatalysis for Textile Dye ...
Combinative Sonolysis and Photocatalysis for Textile Dye ...

Treatment of ,dye wastewater, by using ,photo-catalytic oxidation, with sonication. Ultrasonics Sonochemistry 2007, 14 (5) , 615-620. DOI: 10.1016/j.ultsonch.2006.11.002. Faisal Ibney Hai, Kazuo Yamamoto, Kensuke Fukushi. Hybrid Treatment Systems for ,Dye Wastewater,.

Photocatalytic decolorization of wastewater dyes - Davis ...
Photocatalytic decolorization of wastewater dyes - Davis ...

The, photocatalytic, decolorization of municipal waste‐water contaminated with textile dyes was studied using a batch reactor. Degussa P25 titanium, dioxide, was used as the, photocatalyst, and proved to be effective for, dye, degradation when irradiated with UV light in the presence of air. In addition to removing the color from the, wastewater,, the ...

A study of photocatalytic degradation of direct scarlet ...
A study of photocatalytic degradation of direct scarlet ...

By using titanium dioxide prepared with solgel processing,the feasibility of photocatalytic degradation of direct ,scarlet,-,dye, polluted ,wastewater, with the help of a minute amount of H2O2 was investigated.The influence of different ,oxidation, processing,added amount and reaction time-period of H2O2,its pH-value,and initial concentration of ,wastewater, on the decolorizing rate was discussed ...

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

As the ,dye, concentration increased, rate of degradation decreased (figure- 5), may be due to following reason: As ,dye, concentration increases, number of photons ... Other. ,Photocatalytic, Decolorization ,of Acid, Red 186 Using Alternative Developed Photocatalyst MBIR Dowex 11 .

A study of photocatalytic degradation of direct scarlet ...
A study of photocatalytic degradation of direct scarlet ...

By using titanium dioxide prepared with solgel processing,the feasibility of ,photocatalytic, degradation of direct ,scarlet,-,dye, polluted ,wastewater, with the help of a minute amount of H2O2 was investigated.The influence of different ,oxidation, processing,added amount and reaction time-period of H2O2,its pH-value,and initial concentration of ,wastewater, on the decolorizing rate was discussed ...

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).

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, …

Wastewater Neutralization Systems - pH adjustment
Wastewater Neutralization Systems - pH adjustment

Industrial ,Wastewater, Treatment Systems. Digital Analysis Manufactures a complete line of industrial ,wastewater, treatment systems for the pH ,neutralization, of ,acidic, and alkaline industrial ,wastewater, flows. We provide complete design build services covering the breadth of industrial ,waste water, …

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.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City