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Treatment of acid mine wastewater by sulfate reducing bacteria

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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Treatment of acid mine wastewater by sulfate reducing bacteria
DECOLORIZATION OF COLORED WASTEWATER CONTAINING AZO ACID …
DECOLORIZATION OF COLORED WASTEWATER CONTAINING AZO ACID …

In this paper, the ,decolorization, of colored textile ,wastewater, was investigated using Photo-Fenton process. ,Acid, Blue 92 (AB92) was used as an azo ,acid, dye model. The effect of ,decolorization, parameters such as ferrous ion concentration, dye concentration and sodium salts (acetate, nitrate, carbonate and bicarbonate) were investigated.

DISCOLORATION OF DYE WASTEWATER BY MODIFIED UV …
DISCOLORATION OF DYE WASTEWATER BY MODIFIED UV …

A modified Fenton process using sodium percarbonate (SP), as an alternative source of H2O2, and UV radiation was investigated to discoloration of dye ,wastewater, containing ,Acid, Green 16 (concentration 100 mg/dm3). This ,acid, dye is characterized by the harmful effect on aquatic organisms and it may cause adverse effects in the aquatic environment.

Decolorization and Degradation of Erioglaucine (Acid Blue ...
Decolorization and Degradation of Erioglaucine (Acid Blue ...

(1998). ,Decolorization, and Degradation of Erioglaucine (,Acid, Blue 9) Dye in ,Wastewater,. Environmental Technology: Vol. 19, No. 7, pp. 741-747.

COMPARISON OF DECOLORIZATION OF INDUSTRIAL WASTEWATER …
COMPARISON OF DECOLORIZATION OF INDUSTRIAL WASTEWATER …

Decolorization, of disperse red 354 azo dye in water by several oxidation processes-a comparative study. 60 : 61 - 68. Shu, H.Y., Huang, C.R. and Chang, M.C. 1994.,Decolorization, of mono-azo dyes in ,wastewater, by advanced oxidation process: a case study ,of Acid, Red 1 and ,Acid, Yellow 23. Chemosphere. 29 : 2597-2607. Galindo, C. and Kalt, A. 1999.

Bioremediation and Detoxification of Synthetic Wastewater ...
Bioremediation and Detoxification of Synthetic Wastewater ...

However, decrease in % ,decolorization, with increase in dye concentration was obtained at concentrations above 20 mg/L. ,Decolorization, percentages of 90, 78, and 65 were obtained for Basic violet 14, Basic violet 3, and ,Acid, blue 90, respectively, at 50 mg/L initial dye concentration, and this indicates that an acceptable high color removal can be achieved with A. hydrophila in culture broths ...

Decolorization of acid blue 29 disperse red 1 and congo ...
Decolorization of acid blue 29 disperse red 1 and congo ...

Decolorization of acid, blue 29, disperse red 1 and congo red by different indigenous fungal strains Chemosphere . 2021 Jan 5;271:129532. doi: 10.1016/j.chemosphere.2021.129532.

Microbial Degradation and Decolorization of Acid Orange ...
Microbial Degradation and Decolorization of Acid Orange ...

3.2. Color Removal. Figure 3 and Table 1 show the color reduction over time. These results show efficient ,decolorization, of the ,Acid, orange dye waste stream. The color reduction averaged 87 % with 100 mg/L dye concentration in the feed and 85 % for the 250 mg/L concentration.

Decolorization of Azo Dyes Wastewater by Electrochemical ...
Decolorization of Azo Dyes Wastewater by Electrochemical ...

The ,electrochemical oxidation decolorization, of the azo dye ,wastewater, containing ,Acid, Red G (5-acetylamino-4- hydroxy-3-phenylazo-naphthalene-2,7-disulfonic sodium) was investigated. The effect of the operating parameters, such as applied voltage, dye concentration, electrolyte concentration and temperature, on the dye ,wastewater decolorization, efficiency was analyzed.

Effect of operational parameters on decolorization of Acid ...
Effect of operational parameters on decolorization of Acid ...

Advanced Oxidation Processes (AOPs) have been used as emerging ,wastewater, treatment technologies which can effectively handle various hazardous organics in ,wastewater, and groundwater. This study examined the photodecolorization of azo dyes in aqueous solution by combined UV, individual and coupled photocatalysts. The model substrate employed in this work was C.I. ,Acid, Yellow 23 (AY23) …

Decolorization of dyeing wastewater in continuous ...
Decolorization of dyeing wastewater in continuous ...

Original Article ,Decolorization, of ,dyeing wastewater in continuous photoreactors using, tio 2 coated glass tube media Jutaporn Chanathaworn1, Jutarut Pornpunyapat2, and Juntima Chungsiriporn1* 1 Department of Chemical Engineering, Faculty of Engineering, 2 Department of Molecular Biotechnology and Bioinformatics, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90112 Thailand.

Decolorization of Azo Dyes Wastewater by Electrochemical ...
Decolorization of Azo Dyes Wastewater by Electrochemical ...

The ,electrochemical oxidation decolorization, of the azo dye ,wastewater, containing ,Acid, Red G (5-acetylamino-4- hydroxy-3-phenylazo-naphthalene-2,7-disulfonic sodium) was investigated. The effect of the operating parameters, such as applied voltage, dye concentration, electrolyte concentration and temperature, on the dye ,wastewater decolorization, efficiency was analyzed.

Effect of operational parameters on decolorization of Acid ...
Effect of operational parameters on decolorization of Acid ...

Advanced Oxidation Processes (AOPs) have been used as emerging ,wastewater, treatment technologies which can effectively handle various hazardous organics in ,wastewater, and groundwater. This study examined the photodecolorization of azo dyes in aqueous solution by combined UV, individual and coupled photocatalysts. The model substrate employed in this work was C.I. ,Acid, Yellow 23 (AY23) …

"Sustainable Decolorization of Reactive and Acid Dye ...

Jablonski, Marissa R., ",Sustainable Decolorization of Reactive and Acid, Dye ,Wastewater, Using Photo-fenton Oxidation Both with and Without Biodegradation: Laboratory and Field Studies" (2015). Theses and Dissertations. 883. https://dc.uwm.edu/etd/883

(PDF) Decolorization of acid black 52 by fungal ...
(PDF) Decolorization of acid black 52 by fungal ...

Schematic diagram for ,decolorization of acid black 52,. each flask containing 50 ml Kirk's Basal Salt medium Table 11Enzyme activity and cell mass according to alginate concentrationAlginate concentration (%) Laccase activity (U/ml) MnP activity (U/ml) LiP activity (U/ml) Cell mass (g/l) 0 0.1146 0.0423 0.0412 0.680 1 0.9546 1.0911 0.0156 2.603 2 0.9944 0.7930 0.0156 2.515 3 1.0038 0.7074 0 ...

Decolorization of dyeing wastewater in continuous ...
Decolorization of dyeing wastewater in continuous ...

Original Article ,Decolorization, of ,dyeing wastewater in continuous photoreactors using, tio 2 coated glass tube media Jutaporn Chanathaworn1, Jutarut Pornpunyapat2, and Juntima Chungsiriporn1* 1 Department of Chemical Engineering, Faculty of Engineering, 2 Department of Molecular Biotechnology and Bioinformatics, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, 90112 Thailand.

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