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

The acid wastewater contains Cr 2O 72-

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.

The acid wastewater contains Cr 2O 72-
Synergistic Degradation of Acid Scarlet Dyeing Wastewater ...
Synergistic Degradation of Acid Scarlet Dyeing Wastewater ...

Degradation of simulated acid scarlet (GR) wastewater by ultrasonic technology ,, Fenton reagentoxidation, , and a combination of the two processes was studied. It was found that extent of degradation by ultrasonic technology or, Fenton reagent oxidation, alone was poor , with values of 4 % and 40 % respectively.

Green Materials for Wastewater Treatment 3030177238 978 ...
Green Materials for Wastewater Treatment 3030177238 978 ...

1 Environmental Issues: A Challenge for ,Wastewater Treatment, 1 Meenakshi Choudhary, C. N. Peter, Sudheesh K. Shukla, Penny P. Govender, Girish M. Joshi, and Rui Wang 2 Green Nanotechnology for the Environment and Sustainable Development 13 Samreen Heena Khan 3 Activated Carbon from Different Waste Materials for the Removal of Toxic Metals 47 Soodamani Periyasamy, Ilango Aswin …

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

Evaluation of acute toxicity irradiated solution in the presence of 0.5 g/L anatase TiO2 exhibited an almost flat line between 500 and 700 nm, while The luminescent marine bacteria Vibrio fischeri was used to at the rest of the visible region of the spectrum the assess the acute ecotoxicity of textile ,wastewater, samples absorbance was found to be less than 0.15. prior to and after photocatalytic ,treatment,.

Treatment of azo dyes in industrial wastewater ... - CORE
Treatment of azo dyes in industrial wastewater ... - CORE

However, currently used ,wastewater treatment, technologies such as activated sludge systems, anaerobic digestion, electrochemical destruction, adsorption and membrane filtration are ineffective in removing azo dyes due to reasons such as inefficient dye degradation, slow degradation kinetics, toxic metabolite formation, inhibitory costs and generation of secondary waste streams.

(PDF) Phytoremediation Techniques for the Removal of Dye ...
(PDF) Phytoremediation Techniques for the Removal of Dye ...

1/1/2018, · Anaerobic treatment of textile dye ,wastewater, was carried in a batch reactor using mixed culture obtained from cow dung. The textile dye ,wastewater, was collected from a small scale industry.

Residual color profiles of simulated reactive dyes ...
Residual color profiles of simulated reactive dyes ...

In addition, decolorization effect with the composite material is quite effective within the pH range of 6–7.5 for ,simulated, dye ,wastewater, treatment.

Recent advances in textile wastewater treatment using ...
Recent advances in textile wastewater treatment using ...

During the past two decades, several physicochemical decolorization techniques, such as coagulation-flocculation, adsorption, oxidation and membrane techniques, have been reported. 32 Physical methods are mainly used for the primary treatment of TWWs. 20 Based on coagulation–flocculation of dyes, they are effective for the removal of mainly sulphur and disperse dyes, but show very low capacity for ,acid,, …

Bioflocculant production by Haloplanus vescus and its ...
Bioflocculant production by Haloplanus vescus and its ...

The effects of, MBF0579, dose on the treatment efficiency of acid brilliant scarlet GR were investigated by adding different doses of, MBF0579, to a beaker containing 100 mL of the acid brilliant scarlet GR wastewater. As shown in Figure 5(a), the removal efficiency increased with increasing, MBF0579, concentration until a dose of 150 mg/L.

Decolorization of Brilliant Scarlet GR enhanced by ...
Decolorization of Brilliant Scarlet GR enhanced by ...

1/1/2010, · Biological treatment of azo dyes has been considered as an environment-friendly and cost-competitive method compared with physical and chemical decomposition process (Sharma and Sobti, 2000). The sequencing anaerobic–aerobic technique has always been chosen for biological treatment of azo dyes ,wastewater, (O’Neill et al., 2000).

Aerobic decolorization of Acid Brilliant Scarlet GR by ...
Aerobic decolorization of Acid Brilliant Scarlet GR by ...

In this research, ,aerobic decolorization of Acid Brilliant Scarlet GR, by microbial community was studied. Effects of conditions and dye concentraion on decolorization processes were investigated. Additionally, continuous decolorization was evaluated through sequencing batch tests and the microbial dynamics during this process was analyzed by polymerase chain reaction-denaturing gradient gel …

Effective Removal of Anionic Dye by Ni-Zn-Cr-Ldhs Prepared ...
Effective Removal of Anionic Dye by Ni-Zn-Cr-Ldhs Prepared ...

wastewater, treatment,, Acid Scarlet GR, was used as the adsorbate in this research. The basic information of, GR, was listed in Table 1. Solutions with different initial, GR concen-trations, ranging from 25 to 400 mg/L were prepared. Known amount of LDH was placed into a 100 mL conical flask and 50 mL of the

Nanomaterials | Free Full-Text | One-Step Fabrication of ...
Nanomaterials | Free Full-Text | One-Step Fabrication of ...

Methylene blue (MB) and ,Acid Scarlet GR, (AS-,GR,) were provided by Heowns biochemical technology Co., Ltd. (Tianjin, China). The structures of MB and AS-,GR, are shown in Table 1. Sodium hydroxide, hydrochloric ,acid, and ammonium hydroxide were diluted to suitable concentration for use. All chemicals were used without further purification.

Ultrasound (US) | Scientific.Net
Ultrasound (US) | Scientific.Net

Journal of Biomimetics, Biomaterials and Biomedical Engineering Materials Science. Defect and Diffusion Forum

Textile Industry Wastewaters as Major Sources of ...
Textile Industry Wastewaters as Major Sources of ...

Sandhya S, Padmavathy S, Swaminathan K, Subrahmanyam YV, Kaul SN (2005) Microaerophilic aerobic sequential batch reactor for ,treatment, of azo dyes containing ,simulated wastewater,. Process Biochem 40:885–890 CrossRef Google Scholar

Use of Rhizopus stolonifer (Ehrenberg) Vuillemin in ...
Use of Rhizopus stolonifer (Ehrenberg) Vuillemin in ...

With simulated wastewaters at a concentration of 200 ppm an almost total decolourization has been obtained after 24 hours of treatment; both dyes have been removed with percentages that are always above 97% already in the first two hours of treatment (Table 5).

Ecofriendly biodegradation of Reactive Black 5 by newly ...
Ecofriendly biodegradation of Reactive Black 5 by newly ...

23/7/2020, · Guo, G. et al. Aerobic decolorization and detoxification of ,Acid Scarlet GR, by a newly isolated salt-tolerant yeast strain Galactomyces geotrichum GG. Int. Biodeter. Biodegr. 145, 104818.

Journal: Water air and soil pollution / Publication Year ...
Journal: Water air and soil pollution / Publication Year ...

Acid scarlet GR, was selected as the representative of azo dye pollutants. Effects of applied voltage, discharge frequency, and gas flow rate on ,Acid scarlet GR treatment, effect which were characterized by degradation efficiency and the change of chemical ...

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City