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Haque MM, Hossen MN, Rahman A, Roy J, Talukder MR, Ahmed M, Ahiduzzaman M, Haque MA. Decolorization, degradation and detoxification of mutagenic dye Methyl orange by novel biofilm producing plant growth-promoting rhizobacteria. CHEMOSPHERE 2024; 346:140568. [PMID: 38303387 DOI: 10.1016/j.chemosphere.2023.140568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 10/10/2023] [Accepted: 10/26/2023] [Indexed: 02/03/2024]
Abstract
Discharge of untreated dyeing wastewater nearby water-bodies is one of major causes of water pollution. Generally, bacterial strains isolated from industrial effluents and/or contaminated soils are used for the bioremediation of Methyl orange (MO), a mutagenic recalcitrant mono-azo dye, used in textiles and biomedical. However, MO degradation by biofilm producing plant growth-promoting rhizobacteria (BPPGPR) was not studied yet. In this study, 19 out of 21 BPPGPR strains decolorized 96.3-99.9% and 89.5-96.3% MO under microaerophilic and aerobic conditions, respectively from Luria-Bertani broth (LBB) followed by yeast-extract peptone and salt-optimized broth plus glycerol media within 120 h of incubation at 28 °C. Only selected BPPGPR including Pseudomonas fluorescens ESR7, P. veronii ESR13, Stenotrophomonas maltophilia ESR20, Staphylococcus saprophyticus ESD8, and P. parafulva ESB18 were examined for process optimization of MO decolorization using a single factor optimization method. This study showed that under optimal conditions (e.g., LBB, 100 mg L-1 MO, pH 7, incubation of 96 h, 28 °C), these strains could remove 99.1-99.8% and 97.6-99.5% MO under microaerophilic and aerobic conditions, respectively. Total azoreductase and laccase activities responsible for biodegradation were also remarkably activated in the biodegraded samples under optimal conditions, while these activities were repressed under unfavorable conditions (e.g., 40 °C and 7.5% NaCl). This study confirmed that MO was degraded and detoxified by these bacterial strains through breakage of azo bond. So far, this is the first report on bioremediation of MO by the BPPGPR strains. These BPPGPR strains are highly promising to be utilized for the bioremediation of dyeing wastewater in future.
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Affiliation(s)
- Md Manjurul Haque
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh.
| | - Md Nayeem Hossen
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Ashikur Rahman
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Joty Roy
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Raihan Talukder
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Minhaz Ahmed
- Department of Agroforestry and Environment, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Ahiduzzaman
- Department of Agro-processing, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Amdadul Haque
- Department of Agro-processing, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
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Ameen F, Dawoud TM, Alshehrei F, Alsamhary K, Almansob A. Decolorization of acid blue 29, disperse red 1 and congo red by different indigenous fungal strains. CHEMOSPHERE 2021; 271:129532. [PMID: 33429264 DOI: 10.1016/j.chemosphere.2021.129532] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/27/2020] [Accepted: 12/30/2020] [Indexed: 06/12/2023]
Abstract
Azo dyes are toxic and recalcitrant environmental pollutants in wastewater and soil in many industrial sites in Asia and Arabic countries. The aim of this study was to find fungal species useful in wastewater treatment and soil remediation efforts. We assessed the ability of different indigenous Aspergillus strains (i.e. A. flavus, A. fumigatus, A. niger and A. terreus) to degrade the azo dyes Acid Blue 29 (AB29), Disperse Red 1 (DR1) and Congo Red (CR). The optimal conditions for dye decolorization by the above-mentioned strains appeared to be as follows: temperature range 30-35 °C, pH 7, glucose as the carbon source (10 g/L), ammonium sulphate as the nitrogen source (1.5 g/L) and 100 mg/L initial dye concentration. The Aspergillus strains decolorized all azo dyes more than 86%. The HPLC and GC-MS analyses confirmed that aniline (retention time 9.0 min), 3-nitroaniline (retention time 15.92 min), 4-nitroanline (retention time 17.81 min), N,N' diethyl-1,4-phenylendiamine (retention time 18.184 min), and benzidine (retention time 15.07 min) were formed as the intermediate metabolites of dye degradation. All Aspergillus strains decolorized 85% of the dyes in synthetic wastewater.
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Affiliation(s)
- Fuad Ameen
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Turki M Dawoud
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Fatimah Alshehrei
- Department of Biology, Jumum College University, Umm Al-Qura University, P.O Box 7388, Makkah, 21955, Saudi Arabia
| | - Khawla Alsamhary
- Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-kharj, 11942, Saudi Arabia
| | - Abobakr Almansob
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
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Ameenudeen S, Unnikrishnan S, Ramalingam K. Statistical optimization for the efficacious degradation of reactive azo dyes using Acinetobacter baumannii JC359. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 279:111512. [PMID: 33162232 DOI: 10.1016/j.jenvman.2020.111512] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 08/14/2020] [Accepted: 10/10/2020] [Indexed: 06/11/2023]
Abstract
The aim of this study is to biodegrade the reactive azo dyes- Reactive black 5 (B-GDN), Reactive red 120 (RP) and Reactive blue 19 (RNB) using bacteria Acinetobacter baumannii JC359. Optimization of the process variables such as pH, temperature, dye concentration, incubation time, inoculum volume and dynamic incubating conditions for dye decolorization were performed using One Factor At a Time (OFAT) approach. Box- Behnken Design (BBD) of Response Surface Methodology (RSM) was further used to optimize the process variables. Decolorization rates of 98.8% for B-GDN, 96% for RP and 96.2% for RNB were observed after treating with A. baumannii for 48 h using the obtained design value. UV-Visible spectrophotometry and FT-IR spectral scan of dye and degraded metabolites confirmed that biodegradation had taken place. Further, the phytotoxicity evaluation was performed with Vigna radiata seeds and the degraded metabolites proved to be non-toxic. Docking studies were performed and it was found that there was significant binding affinity between the dyes and azoreductase enzyme of A. baumannii. Thus, the biodegradation of these reactive azo dyes was found to be a suitable alternative for the effective treatment of textile dyes.
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Affiliation(s)
- Shabnam Ameenudeen
- School of Life Sciences, B. S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600 048, India.
| | - Sneha Unnikrishnan
- School of Life Sciences, B. S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600 048, India.
| | - Karthikeyan Ramalingam
- School of Life Sciences, B. S. Abdur Rahman Crescent Institute of Science and Technology, Chennai, 600 048, India.
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Haque MM, Haque MA, Mosharaf MK, Marcus PK. Decolorization, degradation and detoxification of carcinogenic sulfonated azo dye methyl orange by newly developed biofilm consortia. Saudi J Biol Sci 2020; 28:793-804. [PMID: 33424369 PMCID: PMC7785453 DOI: 10.1016/j.sjbs.2020.11.012] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/29/2020] [Accepted: 11/01/2020] [Indexed: 11/26/2022] Open
Abstract
Metabolites of azo dyes are often carcinogenic, teratogenic, mutagenic and recalcitrant in nature. In this study, four biofilm consortia such as C1 (Vitreoscilla sp. ENSG301, Acinetobacter lwoffii ENSG302, Klebsiella pneumoniae ENSG303 and Pseudomonas fluorescens ENSG304), C2 (Escherichia coli ENSD101, Enterobacter asburiae ENSD102 and E. ludwigii ENSH201), C3 (E. asburiae ENSD102, Vitreoscilla sp. ENSG301 and Bacillus thuringiensis ENSW401), and C4 (E. coli ENSD101, E. ludwigii ENSH201 and B. thuringiensis ENSW401) were applied to degrade and detoxify methyl orange (MO), a carcinogenic, sulfonated mono azo dye, used in textile dyeing industry worldwide. The consortia of C1, C2, C3 and C4 showed 97.30, 98.75, 99.51 and 99.29% decolorization, respectively in yeast extract peptone (YEP) broth containing 200 mg L-1 MO within 60 h of incubation in static condition. The optimum pH and temperature for decolorization was 7.0 and 28 °C, respectively. Some divalent metal ions including Mg2+, Ca2+, Zn2+ and Mn2+ could stimulate MO decolorization. UV-Vis spectral analysis showed that the absorption peak at 465 nm originated from the azo (N[bond, double bond]N) bond was completely disappeared within 60 h of incubation. Fourier transform infrared spectroscopy (FTIR) results also revealed that several major peaks including azo bond peak at 1602.6 cm-1 are completely or partly vanished, deformed or shifted. Activities of azoreductase, NADH-DCIP reductase and laccase were significantly increased in the bacterial cells within 60 h of incubation in comparison to that of control (0 h). The chemical oxygen demand was incredibly reduced by 85.37 to 91.44% by these consortia. Accordingly, plant (wheat seed germination) and microbial (growth of the plant probiotic bacteria such as Pseudomonas cedrina ESR12 and Bacillus cereus ESD3 on biodegraded products) toxicity studies showed that biodegraded products of MO are non-toxic. Thus, all these consortia can be utilized in bioremediation of MO from wastewater for safe disposal into environment. To our knowledge, this is the first report on degradation and detoxification of MO from wastewater by bacterial biofilm consortia.
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Affiliation(s)
- Md Manjurul Haque
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Md Amdadul Haque
- Department of Agro-processing, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Md Khaled Mosharaf
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
| | - Polash Kisku Marcus
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
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Guo G, Hao J, Tian F, Liu C, Ding K, Xu J, Zhou W, Guan Z. Decolorization and detoxification of azo dye by halo-alkaliphilic bacterial consortium: Systematic investigations of performance, pathway and metagenome. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 204:111073. [PMID: 32755736 DOI: 10.1016/j.ecoenv.2020.111073] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
The high pH and salinity of textile wastewater is a major hindrance to azo dye decolorization. In this study, a mixed bacterial consortium ZW1 was enriched under saline (10% salinity) and alkaline (pH 10.0) conditions to decolorize Methanil Yellow G (MY-G). Consortium ZW1 was mainly composed of Halomonas (49.8%), Marinobacter (30.7%) and Clostridiisalibacter (19.2%). The effects of physicochemical factors were systematically investigated, along with the degradation pathway and metagenome analysis. The co-carbon source was found to be necessary, and the addition of yeast extract led to 93.3% decolorization of 100 mg/L MY-G within 16 h (compared with 1.12% for control). The optimum pH, salinity, temperature and initial dye concentration were 8.0, 5-10%, 40 °C and 100 mg/L, respectively. The typical dye-related degradation enzymes were most effective at 10% salinity. Consortium ZW1 was also able to differentially decolorize five other direct and acidic dyes in a short period. Phototoxicity tests revealed the detoxification of MY-G degradation products. Combining UV-vis, FTIR and GC-MS detection, the MY-G degradation pathway by consortium ZW1 was proposed. Furthermore, metagenomic approach was used to elucidate the functional potential of genes in MY-G biodegradation. These results signify the broad potential application of halo-alkaliphilic consortia in the bioremediation of dyeing wastewater.
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Affiliation(s)
- Guang Guo
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Jiuxiao Hao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China.
| | - Fang Tian
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Chong Liu
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Keqiang Ding
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Jin Xu
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Wang Zhou
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Zhengbing Guan
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
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Microbial Decolorization of Triazo Dye, Direct Blue 71: An Optimization Approach Using Response Surface Methodology (RSM) and Artificial Neural Network (ANN). BIOMED RESEARCH INTERNATIONAL 2020; 2020:2734135. [PMID: 32149095 PMCID: PMC7049410 DOI: 10.1155/2020/2734135] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/21/2019] [Accepted: 10/03/2019] [Indexed: 12/19/2022]
Abstract
The release of wastewater from textile dyeing industrial sectors is a huge concern with regard to pollution as the treatment of these waters is truly a challenging process. Hence, this study investigates the triazo bond Direct Blue 71 (DB71) dye decolorization and degradation dye by a mixed bacterial culture in the deficiency source of carbon and nitrogen. The metagenomics analysis found that the microbial community consists of a major bacterial group of Acinetobacter (30%), Comamonas (11%), Aeromonadaceae (10%), Pseudomonas (10%), Flavobacterium (8%), Porphyromonadaceae (6%), and Enterobacteriaceae (4%). The richest phylum includes Proteobacteria (78.61%), followed by Bacteroidetes (14.48%) and Firmicutes (3.08%). The decolorization process optimization was effectively done by using response surface methodology (RSM) and artificial neural network (ANN). The experimental variables of dye concentration, yeast extract, and pH show a significant effect on DB71 dye decolorization percentage. Over a comparative scale, the ANN model has higher prediction and accuracy in the fitness compared to the RSM model proven by approximated R 2 and AAD values. The results acquired signify an efficient decolorization of DB71 dye by a mixed bacterial culture.
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Hassan MM, Carr CM. A critical review on recent advancements of the removal of reactive dyes from dyehouse effluent by ion-exchange adsorbents. CHEMOSPHERE 2018; 209:201-219. [PMID: 29933158 DOI: 10.1016/j.chemosphere.2018.06.043] [Citation(s) in RCA: 231] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 06/03/2018] [Accepted: 06/05/2018] [Indexed: 05/06/2023]
Abstract
The effluent discharged by the textile dyehouses has a seriously detrimental effect on the aquatic environment. Some dyestuffs produce toxic decomposition products and the metal complex dyes release toxic heavy metals to watercourses. Of the dyes used in the textile industry, effluents containing reactive dyes are the most difficult to treat because of their high water-solubility and poor absorption into the fibers. A range of treatments has been investigated for the decolorization of textile effluent and the adsorption seems to be one of the cheapest, effective and convenient treatments. In this review, the adsorbents investigated in the last decade for the treatment of textile effluent containing reactive dyes including modified clays, biomasses, chitin and its derivatives, and magnetic ion-exchanging particles have been critically reviewed and their reactive dye binding capacities have been compiled and compared. Moreover, the dye binding mechanism, dye sorption isotherm models and also the merits/demerits of various adsorbents are discussed. This review also includes the current challenges and the future directions for the development of adsorbents that meet these challenges. The adsorption capacities of adsorbents depend on various factors, such as the chemical structures of dyes, the ionic property, surface area, porosity of the adsorbents, and the operating conditions. It is evident from the literature survey that decolorization by the adsorption shows a great promise for the removal of color from dyehouse effluent. If biomasses want to compete with the established ion-exchange resins and activated carbon, their dye binding capacity will need to be substantially improved.
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Affiliation(s)
- Mohammad M Hassan
- Food & Bio-based Products Group, AgResearch Limited, Private Bag 4749, Christchurch, 8140, New Zealand.
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Potential of Bacillus sp. LG7 as a Promising Source of Ligninolytic Enzymes for Industrial and Biotechnological Applications. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s40011-017-0957-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Sathishkumar K, Sathiyaraj S, Parthipan P, Akhil A, Murugan K, Rajasekar A. Electrochemical decolorization of methyl red by RuO 2-IrO 2-TiO 2 electrode and biodegradation with Pseudomonas stutzeri MN1 and Acinetobacter baumannii MN3: An integrated approach. CHEMOSPHERE 2017; 183:204-211. [PMID: 28549326 DOI: 10.1016/j.chemosphere.2017.05.087] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 05/12/2017] [Accepted: 05/13/2017] [Indexed: 06/07/2023]
Abstract
Textile effluent consists of enormous quantities of toxic dyes, which are being discharged into natural aqueous system and thus contaminate the water quality. Hence it is important to develop an eco-friendly and cost effective technology to treat the dyes contaminated wastewater. In this research, an integrated approach of electrochemical oxidation (EO) and biodegradation process (BP) was studied of methyl red (MR) dye. In EO, RuO2-IrO2-TiO2 is used as anode and titanium mesh electrode as cathode. This was followed by BP of the treated EO effluent. Various parameters viz., pH (5-10), sodium chloride concentrations (NaCl) (1-5 g L-1) and current density (10-30 mA cm2) were optimized. The results of the EO showed 99.96% of MR decolorization within 10 min at pH of 5, NaCl of 2 g L-1 and current density of 30 mA cm2. The EO treated MR was further treated by BP Pseudomonas stutzeri MN1, Acinetobacter baumannii MN3 and mixed consortia of MN1 and MN3. The out of three treatments, the results of mixed consortium BP showed 90% removal of COD at the end of 24 h. The phytotoxic evaluation using Vigna radiata seeds confirmed the toxicity of untreated MR solution, whereas, 100% germination was observed in treated (biodegraded) MR solution. Overall these results evidenced that MR dye was completely decolorized and mineralized by EO and BP within 10 min and 24 h respectively. Hence, this integrated approach can be used as an effective degradation method to treat dyes in the textile industry.
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Affiliation(s)
- Kuppusamy Sathishkumar
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Vellore, 632 115, India.
| | - Sivaji Sathiyaraj
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Vellore, 632 115, India
| | - Punniyakotti Parthipan
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Vellore, 632 115, India
| | - Agrawal Akhil
- Department of Microbiology, Central University of Rajasthan, Rajasthan, 305 817, India
| | - Kadarkarai Murugan
- Division of Entomology, Department of Zoology, School of Life Sciences, Bharathiar University, Coimbatore, 641 046, India; Thiruvalluvar University, Serkkadu, Vellore, 632 115, Tamilnadu, India
| | - Aruliah Rajasekar
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Vellore, 632 115, India.
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Fahimirad B, Asghari A, Rajabi M. Photo-degradation of basic green 1 and basic red 46 dyes in their binary solution by La 2O 3-Al 2O 3nanocomposite using first-order derivative spectra and experimental design methodology. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 179:58-65. [PMID: 28214677 DOI: 10.1016/j.saa.2017.02.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 02/08/2017] [Accepted: 02/09/2017] [Indexed: 06/06/2023]
Abstract
In this work, the lanthanum oxide-aluminum oxide (La2O3-Al2O3) nanocomposite is introduced as an efficient photocatalyst for the photo-degradation of the dyes basic green 1 (BG1) and basic red 46 (BR46) in their binary aqueous solution under the UV light irradiation. The properties of this catalyst are determined by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), Brunauer-Emmett-Teller (BET), and UV-visible spectrophotometry. The first-order derivative spectra are used for the simultaneous analysis of the dyes in their binary solution. The screening investigations indicate that five parameters including the catalyst dosage, concentration of the dyes, irradiation time, and solution pH have significant effects on the photo-degradation of the dyes. The effects of these variables together with their interactions in the photo-degradation of the dyes are studied using the Box-Behnken design (BBD). Under the optimum experimental conditions, obtained via the desirability function, the photo-catalytic activities of La2O3-Al2O3 and pure Al2O3 are also investigated. The results obtained show an enhancement in the photo-catalytic activity when La2O3 nanoparticles are loaded on the surface of Al2O3 nanoparticles.
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Affiliation(s)
| | - Alireza Asghari
- Department of Chemistry, Semnan University, Semnan 35131-1911, Iran.
| | - Maryam Rajabi
- Department of Chemistry, Semnan University, Semnan 35131-1911, Iran
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Devi P, Wahidullah S, Sheikh F, Pereira R, Narkhede N, Amonkar D, Tilvi S, Meena RM. Biotransformation and Detoxification of Xylidine Orange Dye Using Immobilized Cells of Marine-Derived Lysinibacillus sphaericus D3. Mar Drugs 2017; 15:md15020030. [PMID: 28208715 PMCID: PMC5334610 DOI: 10.3390/md15020030] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 01/20/2017] [Accepted: 01/25/2017] [Indexed: 11/16/2022] Open
Abstract
Lysinibacillus sphaericus D3 cell-immobilized beads in natural gel sodium alginate decolorized the xylidine orange dye 1-(dimethylphenylazo)-2-naphthol-6-sulfonic acid sodium salt in the laboratory. Optimal conditions were selected for decolorization and the products formed were evaluated for toxicity by disc diffusion assay against common marine bacteria which revealed the non-toxic nature of the dye-degraded products. Decolorization of the brightly colored dye to colorless products was measured on an Ultra Violet-Vis spectrophotometer and its biodegradation products monitored on Thin Layer Chromatographic plate and High Performance Liquid Chromatography (HPLC). Finally, the metabolites formed in the decolorized medium were characterized by mass spectrometry. This analysis confirms the conversion of the parent molecule into lower molecular weight aromatic phenols and sulfonic acids as the final products of biotransformation. Based on the results, the probable degradation products of xylidine orange were naphthol, naphthylamine-6-sulfonic acid, 2-6-dihydroxynaphthalene, and bis-dinaphthylether. Thus, it may be concluded that the degradation pathway of the dye involved (a) reduction of its azo group by azoreductase enzyme (b) dimerization of the hydrazo compound followed by (c) degradation of monohydrazo as well as dimeric metabolites into low molecular weight aromatics. Finally, it may be worth exploring the possibility of commercially utilizing L. sphaericus D3 for industrial applications for treating large-scale dye waste water.
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Affiliation(s)
- Prabha Devi
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
| | - Solimabi Wahidullah
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
| | - Farhan Sheikh
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
| | - Rochelle Pereira
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
| | - Niteen Narkhede
- CSIR-Indian Institute of Integrative Medicine, Mumbai 400053, India.
| | - Divya Amonkar
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
| | - Supriya Tilvi
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
| | - Ram Murthy Meena
- Bioorganic Chemistry Lab., Chemical Oceanography Division, CSIR-National Institute of Oceanography, Dona Paula 403004, Goa, India.
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Ben Hassine A, Ayari F, Ben Salah M, Trabelsi-Ayadi M. Adsorption of an anionic textile dye from wastewater by bentonitic clay mineral. SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY 2016. [DOI: 10.3103/s1068375516060089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Molla A, Sahu M, Hussain S. Synthesis of Tunable Band Gap Semiconductor Nickel Sulphide Nanoparticles: Rapid and Round the Clock Degradation of Organic Dyes. Sci Rep 2016; 6:26034. [PMID: 27185051 PMCID: PMC4868986 DOI: 10.1038/srep26034] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 04/26/2016] [Indexed: 12/28/2022] Open
Abstract
Controlled shape and size with tuneable band gap (1.92-2.41 eV), nickel sulphide NPs was achieved in presence of thiourea or thioacetamide as sulphur sources with the variations of temperature and capping agents. Synthesized NPs were fully characterized by powder XRD, IR, UV-vis, DRS, FE-SEM, TEM, EDX, XPS, TGA and BET. Capping agent, temperature and sulphur sources have significant role in controlling the band gaps, morphology and surface area of NPs. The catalytic activities of NPs were tested for round the clock (light and dark) decomposition of crystal violet (CV), rhodamine B (RhB), methylene blue (MB), nile blue (NB) and eriochrome black T (EBT). Agitation speed, temperature, pH and ionic strength have significant role on its catalytic activities. The catalyst was found to generate reactive oxygen species (ROS) both in presence and absence of light which is responsible for the decomposition of dyes into small fractions, identified with ESI-mass spectra.
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Affiliation(s)
- Aniruddha Molla
- Department of Chemistry, Indian Institute of Technology Patna, Bihta- 801 103, India
| | - Meenakshi Sahu
- Department of Chemistry, Indian Institute of Technology Patna, Bihta- 801 103, India
| | - Sahid Hussain
- Department of Chemistry, Indian Institute of Technology Patna, Bihta- 801 103, India
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Dave SR, Patel TL, Tipre DR. Bacterial Degradation of Azo Dye Containing Wastes. MICROBIAL DEGRADATION OF SYNTHETIC DYES IN WASTEWATERS 2015. [DOI: 10.1007/978-3-319-10942-8_3] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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15
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Intracellular azo decolorization is coupled with aerobic respiration by a Klebsiella oxytoca strain. Appl Microbiol Biotechnol 2014; 99:2431-9. [PMID: 25343980 DOI: 10.1007/s00253-014-6161-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 10/09/2014] [Accepted: 10/12/2014] [Indexed: 10/24/2022]
Abstract
Reduction of azo dye methyl red coupled with aerobic respiration by growing cultures of Klebsiella oxytoca GS-4-08 was investigated. In liquid media containing dye and 0.6 % glucose in a mineral salts base, 100 mg l(-1) of the dye are completely removed in 3 h under shaking conditions. The dye cannot be aerobically decolorized by strain GS-4-08 without extra carbon sources, indicating a co-metabolism process. Higher initial dye concentration prolonged the lag phase of the cell growth, but final cell concentrations of each batches reached a same level with range from 6.3 to 7.6 mg l(-1) after the dye adaption period. This strain showed stronger dye tolerance and decolorization ability than many reported strains. Furthermore, a new intracellular oxygen-insensitive azoreductase was isolated from this strain, and the specific activity of enzyme was 0.846 and 0.633 U mg(-1) protein in the presence of NADH and NADPH, respectively. N,N dimethyl-p-phenylenediamine and anthranilic acid were stoichiometrically released from MR dye, indicating the breakage of azo bonds accounts for the intracellular decolorization. Combining the characteristics of azoreductase, the stoichiometry of EMP, and TCA cycle, the electron transfer chain theory of aerobic respiration, and the possible mechanism of aerobic respiration coupled with azo reduction by K. oxytoca GS-4-08 are proposed. This study is expected to provide a sound theoretical basis for the development of the K. oxytoca strain in aerobic process for azo dye containing wastewaters.
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Singh RP, Singh PK, Singh RL. Bacterial Decolorization of Textile Azo Dye Acid Orange by Staphylococcus hominis RMLRT03. Toxicol Int 2014; 21:160-6. [PMID: 25253925 PMCID: PMC4170557 DOI: 10.4103/0971-6580.139797] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A bacterial strain RMLRT03 with ability to decolorize textile dye Acid Orange dye was isolated from textile effluent contaminated soil of Tanda, Ambedkar Nagar, Uttar Pradesh (India). The decolorization studies were performed in Bushnell and Haas medium (BHM) amended with Acid Orange dye. The bacterial strain was identified as Staphylococcus hominis on the basis of 16S rDNA sequence. The bacterial strain exhibited good decolorization ability with glucose and yeast extract supplementation as cosubstrate in static conditions. The optimal condition for the decolorization of Acid Orange dye by Staphylococcus hominis RMLRT03 strain were at pH 7.0 and 35°C in 60 h of incubation. The bacterial strain could tolerate high concentrations of Acid Orange dye up to 600 mg l-1. The high decolorizing activity under natural environmental conditions indicates that the bacterial strain has practical application in the treatment of dye containing wastewaters.
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Affiliation(s)
- Rajat Pratap Singh
- Department of Biochemistry, Dr. Ram Manohar Lohia Avadh University, Faizabad, Uttar Pradesh, India
| | - Pradeep Kumar Singh
- Department of Biochemistry, Dr. Ram Manohar Lohia Avadh University, Faizabad, Uttar Pradesh, India
| | - Ram Lakhan Singh
- Department of Biochemistry, Dr. Ram Manohar Lohia Avadh University, Faizabad, Uttar Pradesh, India
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Strategies to Decolorize High Concentrations of Methyl Orange Using Growing Cells ofLactobacillus caseiTISTR 1500. Biosci Biotechnol Biochem 2014; 77:2030-7. [DOI: 10.1271/bbb.130352] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Kurade MB, Waghmode TR, Tamboli DP, Govindwar SP. Differential catalytic action ofBrevibacillus laterosporuson two dissimilar azo dyes Remazol red and Rubine GFL. J Basic Microbiol 2012; 53:136-46. [DOI: 10.1002/jobm.201100402] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Accepted: 10/29/2011] [Indexed: 11/07/2022]
Affiliation(s)
- Mayur B. Kurade
- Department of Biotechnology; Shivaji University; Kolhapur; India
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Bacterial Decolorization and Degradation of Azo Dyes. ENVIRONMENTAL SCIENCE AND ENGINEERING 2012. [DOI: 10.1007/978-3-642-23789-8_4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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20
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Mansour HB, Boughzala O, Dridi D, Barillier D, Chekir-Ghedira L, Mosrati R. Les colorants textiles sources de contamination de l’eau : CRIBLAGE de la toxicité et des méthodes de traitement. ACTA ACUST UNITED AC 2011. [DOI: 10.7202/1006453ar] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Les colorants sont largement utilisés dans les imprimeries, les produits alimentaires, cosmétiques et cliniques, mais en particulier dans les industries textiles pour leur stabilité chimique et la facilité de leur synthèse et leur variété de couleurs. Cependant, ces colorants sont à l’origine de la pollution une fois évacués dans l’environnement. La production mondiale des colorants est estimée à plus de 800 000 t•an-1et les colorants azoïques sont majoritaires et représentent 60-70 %. Compte tenu de la composition très hétérogène de ces derniers, leur dégradation conduit souvent à la conception d’une chaîne de traitement physique-chimique et biologique assurant l’élimination des différents polluants par étapes successives. Dés études ont montré que plusieurs colorants azoïques sont toxiques et mutagènes et le traitement biologique de ces colorants semble présenter un intérêt scientifique majeur. Les traitements physico-chimiques communs (adsorption, coagulation/floculation, précipitation etc.) sont couramment utilisés pour les effluents industriels. Malgré leur rapidité, ces méthodes se sont avérées peu efficaces compte tenu des normes exigées sur ces rejets. Le traitement biologique constitue une alternative fiable; en effet, plusieurs microorganismes sont capables de transformer les colorants azoïques en sous-produits incolores. Les bactéries dégradent les colorants azoïques en deux étapes : un clivage de liaison azo, par l’intermédiaire de l’azoréductase, suivi d’une oxydation des amines aromatiques formées lors de la première étape. L’azoréduction constitue alors une étape clé du traitement des effluents chargés de ces colorants.
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Affiliation(s)
- Hedi Ben Mansour
- Équipe de Recherche en Physico-Chimie et Biotechnologie (ERPCB – EA3914), IUT-UFR Sciences, Université de Caen, Basse Normandie, France, Laboratoire de Biologie Cellulaire, Faculté de Médicine Dentaire, Rue Avicenne, 5000 Monastir, Tunisie, Institut Supérieur de Biotechnologie Technopole Sidi Thabet, Université Manouba, Manouba, Tunisie, Téléphone: 00216 97 367 568, T.élécopieur: 00216 73 461 830
| | - Oualid Boughzala
- Équipe de Recherche en Physico-Chimie et Biotechnologie (ERPCB – EA3914), IUT-UFR Sciences, Université de Caen, Basse Normandie, France
| | - dorra Dridi
- Institut Supérieur de Biotechnologie Technopole Sidi Thabet, Université Manouba, Manouba, Tunisie
| | - Daniel Barillier
- Équipe de Recherche en Physico-Chimie et Biotechnologie (ERPCB – EA3914), IUT-UFR Sciences, Université de Caen, Basse Normandie, France
| | - Leila Chekir-Ghedira
- Laboratoire de Biologie Cellulaire, Faculté de Médicine Dentaire, Rue Avicenne, 5000 Monastir, Tunisie
| | - Ridha Mosrati
- Équipe de Recherche en Physico-Chimie et Biotechnologie (ERPCB – EA3914), IUT-UFR Sciences, Université de Caen, Basse Normandie, France
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Pathak H, Patel S, Rathod M, Chauhan K. In vitro studies on degradation of synthetic dye mixture by Comamonas sp. VS-MH2 and evaluation of its efficacy using simulated microcosm. BIORESOURCE TECHNOLOGY 2011; 102:10391-10400. [PMID: 21996479 DOI: 10.1016/j.biortech.2011.09.039] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2011] [Revised: 09/08/2011] [Accepted: 09/10/2011] [Indexed: 05/31/2023]
Abstract
Reactive azo dyes are considered as one of the most detrimental pollutants from industrial effluents and therefore their biodegradation is receiving constant scientific consideration. A bacterial isolate VS-MH2, originating from dye contaminated sites of Gujarat, India, was exploited for its ability to degrade a synthetic dye mixture (SDM) (comprising of four azo reactive dyes) under static conditions. The identification of the isolate by 16S rRNA gene sequencing revealed it to be Comamonas sp. The biodegradation of the SDM was analyzed by UV-vis spectroscopy, IR spectroscopy and GC-MS analysis. The isolate showed high metabolic activity towards SDM and degraded it completely (100 mg L(-1)) within 30 h at pH 7 and 35 °C. Simulated microcosm studies in the presence and absence of indigenous microflora confirmed the ability of Comamonas sp. VS-MH2 for dye degradation and to colonize the soil. This is the first investigation reporting the degradation of SDM by Comamonas sp. under simulated soil microcosms.
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Affiliation(s)
- Hilor Pathak
- Department of Microbiology, P.D. Patel Institute of Applied Sciences, Charotar University of Science & Technology, Changa, 388 421 Gujarat, India.
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22
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Saratale R, Saratale G, Chang J, Govindwar S. Bacterial decolorization and degradation of azo dyes: A review. J Taiwan Inst Chem Eng 2011. [DOI: 10.1016/j.jtice.2010.06.006] [Citation(s) in RCA: 660] [Impact Index Per Article: 50.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Singh S, Pakshirajan K, Daverey A. Enhanced decolourization of Direct Red-80 dye by the white rot fungus Phanerochaete chrysosporium employing sequential design of experiments. Biodegradation 2009; 21:501-11. [PMID: 19960234 DOI: 10.1007/s10532-009-9319-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2009] [Accepted: 11/25/2009] [Indexed: 11/27/2022]
Abstract
Decolourization of Direct Red 80 (DR-80) by the white rot fungus Phanerochaete chrysosporium MTCC 787 was investigated employing sequential design of experiments. Media components for growing the white rot fungus were first screened using Plackett-Burman design and then optimized using response surface methodology (RSM), which resulted in enhancement in the efficiency of dye removal by the fungus. For determining the effect of media constituents on the dye removal, both percent dye decolourization and specific dye removal due to maximum enzyme activity were chosen as the responses from the experiments, and the media constituents glucose, veratryl alcohol, KH(2)PO(4), CaCl(2) and MgSO(4) were screened to be the most effective with P values less than 0.05. Central composite design (CCD) followed by RSM in the optimization study revealed the following optimum combinations of the screened media constituents: glucose, 11.9 g l(-1); veratryl alcohol, 12.03 mM; KH(2)PO(4), 23.08 g l(-1); CaCl(2), 2.4 g l(-1); MgSO(4), 10.47 g l(-1). At the optimum settings of the media constituents, complete dye decolourization (100% removal efficiency) and a maximum specific dye removal due to lignin peroxidase enzyme of 0.24 mg U(-1) by the white rot fungus were observed.
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Affiliation(s)
- Sukhwinder Singh
- Department of Biotechnology, Indian Institute of Technology, Guwahati, Assam, 781039, India
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24
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Optimisation for enhanced decolourization and degradation of Reactive Red BS C.I. 111 by Pseudomonas aeruginosa NGKCTS. Biodegradation 2009; 20:827-36. [DOI: 10.1007/s10532-009-9270-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2008] [Accepted: 05/27/2009] [Indexed: 10/20/2022]
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25
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Alam MZ, Mansor MF, Jalal KCA. Optimization of decolorization of methylene blue by lignin peroxidase enzyme produced from sewage sludge with Phanerocheate chrysosporium. JOURNAL OF HAZARDOUS MATERIALS 2009; 162:708-15. [PMID: 18599210 DOI: 10.1016/j.jhazmat.2008.05.085] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2008] [Revised: 04/25/2008] [Accepted: 05/20/2008] [Indexed: 05/16/2023]
Abstract
Optimization of decolorization of methylene blue (MB) dye by lignin peroxidase (LiP) enzyme produced by white-rot fungus Phanerochaete chrysosporium using sewage treatment plant (STP) sludge as a major substrate was carried out in the laboratory. Optimization by the one-factor-at-a-time (OFAT) and statistical approach was carried out to determine the process conditions on optimum decolorization of MB dye using LiP enzyme in static mode. The OFAT method indicated that the optimum conditions for decolorization of MB dye (removal: 14-40%) was at temperature 55 degrees C, pH 5.0 with hydrogen peroxide (H(2)O(2)) concentration 4.0mM, MB dye concentration 20mg/L and LiP activity 0.487U/ml. The addition of veratryl alcohol to the reaction mixtures did not contribute any further increases in decolorization. The initial concentration of MB and the activity of LiP enzyme were further optimized using response surface methodology (RSM). The contour and surface plots suggested that the optimum initial concentration of MB and LiP activity predicted were 15mg/L and 0.687U/ml, respectively for the removal of 65%. The validation of the model showed that the decolorization process gave the higher removal of 90% in agitation mode compared to the static mode with 65% for 60min of incubation time by LiP enzyme.
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Affiliation(s)
- Md Zahangir Alam
- Department of Biotechnology Engineering, Faculty of Engineering, International Islamic University Malaysia, Gombak, 50728 Kuala Lumpur, Malaysia.
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26
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Kalyani DC, Telke AA, Govindwar SP, Jadhav JP. Biodegradation and detoxification of reactive textile dye by isolated Pseudomonas sp. SUK1. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2009; 81:298-307. [PMID: 19378659 DOI: 10.2175/106143008x357147] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
An isolated bacterium from a textile disposal site, Pseudomonas sp. SUK1, has the ability to decolorize the reactive textile dyes and methyl orange. This bacterium showed the potential to decolorize the textile dye Reactive Blue 59 at a high concentration (5 g/L(-1)), which is frequently used in the textile industry of Solapur, India. Induction in the activities of lignin peroxidase, azoreductase, and dichlorophenol indophenol reductase was observed during the decolorization of Methyl Orange and Reactive Blue 59. Methyl Orange (as model azo dye) was used to understand the mechanism of biodegradation by Pseudomonas sp. SUK1. The final product was identified as 1,4-benzenediamine, N, N-dimethyl by gas chromatography-mass spectroscopy. Microbial and phytotoxicity studies revealed the nontoxic nature of the products of Reactive Blue 59.
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Affiliation(s)
- Dayanad C Kalyani
- Department of Biochemistry, Shivaji University, Kolhapur-416004, India
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Moosvi S, Madamwar D. An integrated process for the treatment of CETP wastewater using coagulation, anaerobic and aerobic process. BIORESOURCE TECHNOLOGY 2007; 98:3384-92. [PMID: 17555957 DOI: 10.1016/j.biortech.2006.10.043] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2006] [Revised: 10/19/2006] [Accepted: 10/20/2006] [Indexed: 05/15/2023]
Abstract
The aim of this study was to treat the wastewater collected from equalization tank of Common Effluent Treatment Plant (CETP), which was a mixture of waste coming from 525 small-scale industries manufacturing textile and dyestuff intermediate, pigments and pharmaceuticals. Initially a pretreatment using ferric chloride and lime was carried out to increase the biodegradability (BOD(5)/COD) of the effluent, which showed color removal of 74% and COD reduction of 75% at a concentration of 10 and 4 g/L. respectively. The biological treatment system using anaerobic fixed film reactor was investigated as secondary treatment. A mixture of bacterial consortium DMAB and cowdung slurry was used for the formation of biofilm. The effect of hydraulic retention time (HRT) and organic loading rate (OLR) on the efficiency of treatment of anaerobic reactor was analysed. Subsequent aerobic treatment after anaerobic step using aerobic culture Pseudomonas aeroginosa helped in further removal of COD and color. Formation of aromatic amines during anaerobic treatment was mineralized by sequential aerobic treatment.
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Affiliation(s)
- Safia Moosvi
- Post Graduate Department of Biosciences, Sardar Patel University, Vallabh Vidyanagar, India
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Lodato A, Alfieri F, Olivieri G, Di Donato A, Marzocchella A, Salatino P. Azo-dye conversion by means of Pseudomonas sp. OX1. Enzyme Microb Technol 2007. [DOI: 10.1016/j.enzmictec.2007.05.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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29
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Chen BY, Chang JS. Assessment upon species evolution of mixed consortia for azo dye decolorization. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.jcice.2007.04.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hong Y, Chen X, Guo J, Xu Z, Xu M, Sun G. Effects of electron donors and acceptors on anaerobic reduction of azo dyes by Shewanella decolorationis S12. Appl Microbiol Biotechnol 2007; 74:230-8. [PMID: 17043816 DOI: 10.1007/s00253-006-0657-2] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2006] [Revised: 08/14/2006] [Accepted: 09/04/2006] [Indexed: 10/24/2022]
Abstract
Shewanella decolorationis S12 was able to reduce various azo dyes in a defined medium with formate, lactate, and pyruvate or H(2) as electron donors under anaerobic conditions. Purified membranous, periplasmic, and cytoplasmic fractions from strain S12 analyzed, respectively, only membranous fraction was capable of reducing azo dye in the presence of electron donor, indicating that the enzyme system for anaerobic azoreduction was located on cellular membrane. Respiratory inhibitor Cu(2+), dicumarol, stigmatellin, and metyrapone inhibited anaerobic azoreduction by purified membrane fraction, suggesting that the bacterial anaerobic azoreduction by strain S12 was a biochemical process that oxidizes the electron donors and transfers the electrons to the acceptors through a multicompound system related to electron transport chain. Dehydrogenases, cytochromes, and menaquinones were essential electron transport components for the azoreduction. The electron transport process for azoreduction was almost fully inhibited by O(2), 6 mM of NO3-, and 0.9 mM of NO2-, but not by 10 mM of Fe(3+). The inhibition may be a result from the competition for electrons from electron donors. These findings impact on the understanding of the mechanism of bacterial anaerobic azoreduction and have implication for improving treatment methods of wastewater contaminated by azo dyes.
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Affiliation(s)
- Yiguo Hong
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
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31
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Sadhasivam S, Savitha S, Swaminathan K. Feasibility of using Trichoderma harzianum biomass for the removal of erioglaucine from aqueous solution. World J Microbiol Biotechnol 2006. [DOI: 10.1007/s11274-006-9336-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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Chen BY, Chen SY, Lin MY, Chang JS. Exploring bioaugmentation strategies for azo-dye decolorization using a mixed consortium of Pseudomonas luteola and Escherichia coli. Process Biochem 2006. [DOI: 10.1016/j.procbio.2006.03.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Bhatt N, Patel KC, Keharia H, Madamwar D. Decolorization of diazo-dye Reactive Blue 172 byPseudomonas aeruginosa NBAR12. J Basic Microbiol 2005; 45:407-18. [PMID: 16304703 DOI: 10.1002/jobm.200410504] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
A novel bacterial strain capable of decolorizing textile dyes was isolated from dye contaminated soil obtained from industrial estate of Ahmedabad, Gujarat, India. The bacterial isolate Pseudomonas aeruginosa NBAR12 was capable of decolorizing 12 different dyes tested with decolorization efficiency varying in the range of 80 to 95%. Maximum extent as well as rate of Reactive Blue 172 (RB 172) decolorization was observed when glucose (2 g x l(-1)) and yeast extract (2.5 g x l(-1)) were supplemented in the medium. The optimum dye pH and temperature for dye decolorization was found to be 7 and 40 degrees C, respectively. The decolorizing activity was found to increase with increasing the dye concentration from 50 to 400 mg x l(-1). The dye decolorization was strongly inhibited at 500 mg dye l(-1) in the medium. High performance thin layer chromatography analysis indicated that dye decolorization occurred due to the breakdown of dye molecules into colorless end products.
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Affiliation(s)
- Nikhil Bhatt
- Biogas Research Centre, Gujarat Vidyapith, Sadra 382 320, Gujarat, India
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Kapdan IK, Oztekin R, Ozturk R. Effect of operating parameters on color and COD removal performance of SBR: sludge age and initial dyestuff concentration. JOURNAL OF HAZARDOUS MATERIALS 2005; 123:217-22. [PMID: 15908110 DOI: 10.1016/j.jhazmat.2005.04.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2005] [Accepted: 04/01/2005] [Indexed: 05/02/2023]
Abstract
Effect of sludge and initial dyestuff concentration on color and COD removal performance of anaerobic-aerobic sequential batch reactor was investigated. Remazol Red RR a vinylsulphonyl (VS) and monochlortriazine (MCT), reactive azo dye was used in the study. Sludge age was varied between thetaC=12 days and thetaC=30 days and dyestuff concentration was between D0=50 and D0=500 mg l(-1). The maximum color and COD removal was obtained as 95% and 70% for D0=60 mg l(-1) and COD0=800 mg l(-1) at 15 days sludge retention time, respectively, and no further improvement was observed when sludge age was increased to 30 days. The main color removal phase in this operation system was the anaerobic phase. Because, the color removal efficiency was already above 95% under anaerobic condition and therefore, the contribution of aerobic phase to color removal was negligible. Increasing dyestuff concentration did not significantly affect the decolorization. It was possible to obtain over 90% dyestuff removal even at D0=500 mg l(-1). SBR system reduces 1000 mg l(-1) initial COD concentrations to about 400 mg l(-1) for dyestuff concentration up to 150 mg l(-1). COD removal efficiency decreased from 70% to 60% by increasing initial dyestuff concentration from 100 to 500 mg l(-1). The results indicated that dyestuff and COD are mainly used by anaerobic organisms and aeration does not improve the performance of SBR system.
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Affiliation(s)
- Ilgi Karapinar Kapdan
- Dokuz Eylül University, Department of Environmental Engineering, Tinaztepe Campus, Buca, 35 160 Izmir, Turkey.
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Decolourization of textile dye Reactive Violet 5 by a newly isolated bacterial consortium RVM 11.1. World J Microbiol Biotechnol 2005. [DOI: 10.1007/s11274-004-3612-3] [Citation(s) in RCA: 190] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kapdan IK. Kinetic analysis of dyestuff and COD removal from synthetic wastewater in an anaerobic packed column reactor. Process Biochem 2005. [DOI: 10.1016/j.procbio.2004.11.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Kuhad RC, Sood N, Tripathi KK, Singh A, Ward OP. Developments in Microbial Methods for the Treatment of Dye Effluents. ADVANCES IN APPLIED MICROBIOLOGY 2004; 56:185-213. [PMID: 15566980 DOI: 10.1016/s0065-2164(04)56006-9] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- R C Kuhad
- Department of Microbiology, University of Delhi New Delhi-110 021, India
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Pasukphun N, Vinitnantharat S. Degradation of organic substances and reactive dye in an immobilized-cell sequencing batch reactor operation on simulated textile wastewater. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2003; 38:2019-2028. [PMID: 14524658 DOI: 10.1081/ese-120023329] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Textile wastewater generally consists of high organic substances and is strongly colored. Reactive dye has been used extensively in the textile industries. It is water soluble and difficult to remove by chemical coagulation. Removal of organic substances simultaneously with dye can be achieved by a biological process. This study aims to investigate the treatability of the organic substances and reactive dye in immobilized-cell sequencing batch reactors (SBR). Three different supporting medias namely activated carbon, steel slag and plastic were used. The performance of each reactor was compared with a conventional sequencing batch reactor. The simulated textile wastewater containing the reactive azo dye Procion Red H-E7B of a concentration of 40 mg/L and COD 300 mg/L, was fed into the reactors. The supporting media in the SBR system, it will enhance the capability of COD and dye operating of the SBRs consisted of 5 periods; Fill 1.5 h, React (anoxic:oxic) 20 (14:6) h, Settle 1.5 h, Draw 0.5 h and Idle 0.5 h. The results revealed that by adding removal. During a steady state of operation, the COD and dye concentrations of each period were investigated. In addition, the prolonged anoxic period brought about better decolorization efficiency.
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Affiliation(s)
- N Pasukphun
- Division of Environmental Technology, School of Energy and Material, King Mongkut's University of Technology Thonburi, Bangmod, Bangkok, Thailand
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Chen BY. Understanding decolorization characteristics of reactive azo dyes by Pseudomonas luteola: toxicity and kinetics. Process Biochem 2002. [DOI: 10.1016/s0032-9592(02)00151-6] [Citation(s) in RCA: 115] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Chang JS, Chou C, Lin YC, Lin PJ, Ho JY, Hu TL. Kinetic characteristics of bacterial azo-dye decolorization by Pseudomonas luteola. WATER RESEARCH 2001; 35:2841-2850. [PMID: 11471684 DOI: 10.1016/s0043-1354(00)00581-9] [Citation(s) in RCA: 203] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A Pseudomonas luteola strain expressing azoreductase activity was utilized to remove the color of an azo dye (reactive red 22) from contaminated solutions. The effects of substrate concentrations, medium compositions, and operation parameters (e.g., pH, temperature, dissolved oxygen, etc.) on decolorization of the azo dye by a P. luteola strain were systematically investigated to reveal the key factors that dominate the performance of azo-dye decolorization. The metabolites resulting from bacterial decolorization were analyzed by high-performance liquid chromatography (HPLC) and mass spectrometery (MS). The results show that the dissolved oxygen and glucose concentration retarded decolorization of reactive red 22 by P. luteola. The optimal azo-dye decolorization occurred at 37 degrees C, while more rapid decolorization took place over pH 7-9. Yeast extract and tryptone strongly enhanced the decolorization. The Michaelis-Menten model can satisfactorily describe the dependence of specific decolorization rate on the concentration of substrate (reactive red 22 or yeast extract). Decolorization of the azo dye by intact cells of P. luteola was essentially independent of the growth phase, whereas the azoreductase activity of the cell-free extract decreased in the order of late-stationary phase > early-stationary phase > mid-log phase. This suggests that mass transfer of the azo dye across the cell membrane may be the rate-limiting step. The HPLC and MS analyses suggest that both partial reduction and complete cleavage of the azo bond could contribute to decolorization of reactive red 22 by P. luteola.
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Affiliation(s)
- J S Chang
- Department of Chemical Engineering, Feng Chia University, Taichung, Taiwan, Republic of China.
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