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Jóźwiak T, Filipkowska U. Aminated Rapeseed Husks ( Brassica napus) as an Effective Sorbent for Removing Anionic Dyes from Aqueous Solutions. Molecules 2024; 29:843. [PMID: 38398595 PMCID: PMC10892382 DOI: 10.3390/molecules29040843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/07/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
The study investigated the effect of modifying rapeseed husks with ammonia and epichlorohydrin on their sorption capacity against anionic reactive dyes: Reactive Black 5 (RB5) and Reactive Yellow 84 (RY84). Its scope included sorbents characterization (FTIR, pHPZC), determination of pH influence on the sorption effectiveness of dyes, the adsorption kinetics of dyes, as well as the maximum sorption capacity. The study proved that the reaction of rapeseed husk biomass with ammonia can lead to its amination, namely to the introduction of amine functional groups into the material's structure. The sorption effectiveness of RB5 and RY84 on the tested sorbents was the highest in the pH range of 2-3. The dye sorption kinetics was well described by the pseudo-second-order model. The sorption equilibrium time ranged from 90 to 180 min, and depended on the initial concentration of dyes and the number of amino groups on the sorbent's surface. The most efficient of the sorbents tested were rapeseed husks pre-activated with epichlorohydrin and then aminated with ammonia. Their sorption capacity determined for RB5 and RY84 was 135.83 mg/g and 114.23 mg/g, respectively, which was 794% and 737% higher than that of the non-modified husks.
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Affiliation(s)
- Tomasz Jóźwiak
- Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, Poland;
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Hussain L, Javed F, Tahir MW, Munir HMS, Ikhlaq A, Wołowicz A. Catalytic Ozonation of Reactive Black 5 in Aqueous Solution Using Iron-Loaded Dead Leaf Ash for Wastewater Remediation. Molecules 2024; 29:836. [PMID: 38398588 PMCID: PMC10893045 DOI: 10.3390/molecules29040836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/25/2024] Open
Abstract
In the current study, iron-loaded dead leaf ash (Fe-DLA) was used as a novel catalyst in the heterogeneous catalytic ozonation process (HCOP) for textile wastewater containing Reactive Black 5 (RB-5). The research demonstrates a significant boost in removal efficiency, reaching 98.76% with 1.0 g/min O3 and 0.5 g/L catalyst dose, by investigating key variables such as pH, ozone and catalyst doses, initial concentration, and the presence of scavengers in 1 L wastewater. The addition of tert-butyl alcohol (TBA) reduced RB-5 elimination, indicating the involvement of OH radicals. Catalyst reusability decreased slightly (2.05% in the second run; 4.35% in the third), which was attributed to iron leaching. A comparison of single ozonation (Fe-DLA) adsorption and catalytic ozonation processes (Fe-DLA/O3) revealed that the combined process improved dye degradation by 25%, with removal rates ranking as Fe-DLA adsorption O3 Fe-DLA/O3, with an impressive 76.44% COD removal. These results strongly support RB-5 removal using Fe-DLA and HCOP at a basic pH, highlighting the catalyst's utility in practical wastewater treatment.
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Affiliation(s)
- Latif Hussain
- Department of Chemical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan; (L.H.); (F.J.); (M.W.T.)
| | - Farhan Javed
- Department of Chemical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan; (L.H.); (F.J.); (M.W.T.)
| | - Muhammad Wasim Tahir
- Department of Chemical Engineering, University of Engineering and Technology, Lahore 54890, Pakistan; (L.H.); (F.J.); (M.W.T.)
| | - Hafiz Muhammad Shahzad Munir
- Department of Chemical Engineering, Khawaja Fareed University of Engineering and Information Technology, Rahim Yar Khan 64200, Pakistan
| | - Amir Ikhlaq
- Institute of Environmental Engineering and Research, University of Engineering and Technology, Lahore 54890, Pakistan;
| | - Anna Wołowicz
- Department of Inorganic Chemistry, Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie Sklodowska University, Maria Curie-Sklodowska Square 2, 20-031 Lublin, Poland
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Al-Tohamy R, Ali SS, Xie R, Schagerl M, Khalil MA, Sun J. Decolorization of reactive azo dye using novel halotolerant yeast consortium HYC and proposed degradation pathway. Ecotoxicol Environ Saf 2023; 263:115258. [PMID: 37478569 DOI: 10.1016/j.ecoenv.2023.115258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/29/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
The presence of high salinity levels in textile wastewater poses a significant obstacle to the process of decolorizing azo dyes. The present study involved the construction of a yeast consortium HYC, which is halotolerant and was recently isolated from wood-feeding termites. The consortium HYC was mainly comprised of Sterigmatomyces halophilus SSA-1575 and Meyerozyma guilliermondii SSA-1547. The developed consortium demonstrated a decolourization efficiency of 96.1% when exposed to a concentration of 50 mg/l of Reactive Black 5 (RB5). The HYC consortium significantly decolorized RB5 up to concentrations of 400 mg/l and in the presence of NaCl up to 50 g/l. The effects of physicochemical factors and the degradation pathway were systematically investigated. The optimal pH, salinity, temperature, and initial dye concentration were 7.0, 3%, 35 °C and 50 mg/l, respectively. The co-carbon source was found to be essential, and the addition of glucose resulted in a 93% decolorization of 50 mg/l RB5. The enzymatic activity of various oxido-reductases was assessed, revealing that NADH-DCIP reductase and azo reductase exhibited greater activity in comparison to other enzymes. UV-Visible (UV-vis) spectrophotometry, Fourier-transform infrared spectroscopy (FTIR), high-performance liquid chromatography (HPLC), and gas chromatography-mass spectrometry (GC-MS) were utilized to identify the metabolites generated during the degradation of RB5. Subsequently, a metabolic pathway was proposed. The confirmation of degradation was established through alterations in the functional groups and modifications in molecular weight. The findings indicate that this halotolerant yeast consortium exhibits promising potential of degrading dye compounds. The results of this study offer significant theoretical basis and crucial perspectives for the implementation of halotolerant yeast consortia in the bioremediation of textile and hypersaline wastewater. This approach is particularly noteworthy as it does not produce aromatic amines.
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Affiliation(s)
- Rania Al-Tohamy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sameh S Ali
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Rongrong Xie
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Michael Schagerl
- Department of Functional and Evolutionary Ecology, University of Vienna, Djerassiplatz 1, A-1030 Vienna, Austria.
| | - Maha A Khalil
- Biology Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
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Paczyńska K, Jóźwiak T, Filipkowska U. The Effect of Modifying Canadian Goldenrod ( Solidago canadensis) Biomass with Ammonia and Epichlorohydrin on the Sorption Efficiency of Anionic Dyes from Water Solutions. Materials (Basel) 2023; 16:4586. [PMID: 37444899 DOI: 10.3390/ma16134586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023]
Abstract
This study examined the effect of modifying Canadian goldenrod (Solidago canadensis) biomass on its sorption capacity of Reactive Black 5 (RB5) and Reactive Yellow 84 anionic dyes. The scope of the research included the characteristics of sorbents (FTIR, elementary analysis, pHPZC), the effect of pH on dye sorption efficiency, sorption kinetics, and the maximum sorption capacity (describing the data with Langmuir 1 and 2 and Freundlich models). FTIR analyses showed the appearance of amine functional groups in the materials modified with ammonia water, which is indicative of the sorbent amination process. The amination efficiency was higher in the case of materials pre-activated with epichlorohydrin, which was confirmed by elemental analysis and pHPZC values. The sorption efficiency of RB5 and RY84 on the tested sorbents was the highest in the pH range of 2-3. The sorption capacity of the goldenrod biomass pre-activated with epichlorohydrin and then aminated with ammonia water was 71.30 mg/g and 59.29 mg/g in the case of RB5 and RY84, respectively, and was higher by 2970% and 2510%, respectively, compared to the unmodified biomass. Amination of biomass pre-activated with epichlorohydrin can increase its sorption capacity, even by several dozen times.
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Affiliation(s)
- Karolina Paczyńska
- Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, Poland
| | - Tomasz Jóźwiak
- Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, Poland
| | - Urszula Filipkowska
- Department of Environmental Engineering, University of Warmia and Mazury in Olsztyn, Warszawska St. 117a, 10-957 Olsztyn, Poland
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Zhuang Z, Cheng X, Cao L, He G, Zhou J, Wei Y. Secondary bond interface assembly of polyethyleneimine on zein microparticles for rapid adsorption of Reactive Black 5. Colloids Surf B Biointerfaces 2023; 225:113247. [PMID: 36924651 DOI: 10.1016/j.colsurfb.2023.113247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 02/24/2023] [Accepted: 03/04/2023] [Indexed: 03/08/2023]
Abstract
Textile dye wastewater has the characteristics of high concentration, complex composition and changeable color degree and pH, which is difficult to be effectively and completely treated, and easy to cause environmental pollution. Here, a strategy of secondary bond interface assembly of polyethyleneimine on zein microparticles (PEI) (PEI@zein) was constructed to achieve rapid and efficient removal of Reactive Black 5 (RB5), which is one of the most widely used reactive dyes in the textile industry. Structural analysis indicated that the as-prepared PEI layer immobilized on zein microparticles was constructed based on the interface assembly dominated by hydrophobic interactions and electrostatic attraction between PEI molecules and zein chains. The novel interface showed excellent absorption performance for RB5 with an absorption capacity of 631.0 mg·g-1, rapid adsorption in 2 min, wide pH range of 4-10. Mechanism analysis suggested the effective adsorption of RB5 by PEI@zein microparticles was mainly attributed to secondary bond interface such as electrostatic interaction and hydrogen bond between RB5 and PEI immobilized on the surface of zein microparticles. Moreover, due to the presence of secondary bond interface, RB5 adsorbed on microparticles can be easily desorbed by using 0.01 M NaOH. Therefore, the strategy of secondary bond interface assembly with polyethyleneimine on zein microparticles has high potential for practical application in the treatment of dye-containing wastewater.
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Grigoraș CG, Simion AI, Favier L, Drob C, Gavrilă L. Performance of Dye Removal from Single and Binary Component Systems by Adsorption on Composite Hydrogel Beads Derived from Fruits Wastes Entrapped in Natural Polymeric Matrix. Gels 2022; 8. [PMID: 36547319 DOI: 10.3390/gels8120795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
The treatment of contaminated water is currently a major concern worldwide. This work was directed towards the preparation of a composite hydrogel by entrapping cherry stones powder on chitosan, which is known as one of the most abundant natural polymers. The synthesized material was characterized by scanning electron microscopy, by Fourier transform infrared spectroscopy, and by the point of zero charge determination. Its ability to remove two azo dyes models (Acid Red 66 and Reactive Black 5) existing in single form and in binary mixture was evaluated. Response Surface Methodology-Central Composite Design was used to optimize three parameters affecting the process while targeting the lowest final contaminant concentrations. The best results were obtained at pH 2, an adsorbent dose of 100 g/L, and a temperature of 30 °C, when more than 90% of the pollutants from the single component systems and more than 70% of those of the binary mixtures were removed from their aqueous solutions. The adsorption process was in accordance with Elovich and pseudo-second-order kinetic models, and closely followed the Freundlich and Temkin equilibrium isotherms. The obtained results led to the conclusion that the prepared hydrogel composite possesses the ability to successfully retain the target molecules and that it can be considered as a viable adsorbent material.
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Yılmaz HÇ, Atalay FE, Kaya H, Erdemoğlu S. Sol-gel synthesis of TiO 2 on Co 3O 4-coated sporopollenin exine microcapsules (SECs) and photocatalytic performance of new semiconductor heterojunction material. Environ Sci Pollut Res Int 2022; 29:78620-78636. [PMID: 35696060 DOI: 10.1007/s11356-022-21357-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 06/04/2022] [Indexed: 06/15/2023]
Abstract
In this study, a new approach was developed to prepare mesoporous hybrid TiO2/Co3O4 coated on Juglans sporopollenin exine microcapsules (SECs). TiO2 was synthesized on Co3O4-coated SECs used as substrate, by sol-gel method. The obtained semiconductor/semiconductor hetero-junction hybrid materials were characterized with X-ray diffractometry (XRD), UV-Vis absorption spectroscopy, Raman spectroscopy, scanning electron microscopy (SEM), particle size distribution, specific surface area, and zeta potential measurements. Photocatalytic performances of hybrid materials were tested for Reactive Black 5 dye under both UV and visible light. Equilibrium pH of the solution containing 10 mg/L Reactive Black 5 dye and 0.1% wt/v TiO2/Co3O4 was around 4.7. After irradiation in the solar box, more than 98% of the Reactive Black 5 was photocatalytically degraded within 60 min.
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Affiliation(s)
- Hatice Çağlar Yılmaz
- Department of Chemistry, Faculty of Science and Arts, İnönü University, 44280, Malatya, Turkey
| | - Funda Ersoy Atalay
- Department of Physics, Faculty of Science and Arts, İnönü University, 44280, Malatya, Turkey
| | - Harun Kaya
- Faculty of Engineering and Natural Sciences, Malatya Turgut Özal University, 44280, Malatya, Turkey
| | - Sema Erdemoğlu
- Department of Chemistry, Faculty of Science and Arts, İnönü University, 44280, Malatya, Turkey.
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Ribeiro AC, Barbosa de Andrade M, Quesada HB, Bergamasco Beltran L, Bergamasco R, Calado Santos Sobral da Fonseca MM, da Costa Neves Fernandes de Almeida Duarte E. Physico-chemical and electrostatic surface characterisation of mica mineral and its applicability on the adsorption of Safranin Orange and Reactive Black 5 dyes. Environ Technol 2022; 43:3765-3778. [PMID: 34034630 DOI: 10.1080/09593330.2021.1934562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 05/10/2021] [Indexed: 06/12/2023]
Abstract
ABSTRACTThe combined approach of specific surface area (SSA), porosity, microprobe analysis (EMPA), transmission electron microscopy (TEM), scanning electron microscopy (SEM) equipped with EDX and infrared spectroscopy (FTIR) provided the mica mineral physico-chemical and morphological characterisation. The electrostatic surface properties were assessed through the determination of the Point of Zero Charge (pHPZC) by the drift method and the electrokinetic mica mineral features represented by the Isoelectric Point (pHIEP) which was carried out through zeta potential measurements. Adsorption tests were performed to correlate the surface charge behaviour of the mica mineral and its influence on the adsorption efficiency of two different dyes, namely: Safranin Orange (SO), as a cationic dye and Reactive Black 5 (RB5), as an anionic dye. The higher adsorption capacity SO dye was observed at pH 9 and achieved almost 83% of removal, while RB5 dye adsorption on mica surface had the highest result, about 45% of removal efficiency, on pH of 3. In both cases, the main mechanism identified that drove this results is the electrostatic force of attraction between the adsorbent edge surface charge (pH-dependent) and the ionic nature (anionic or cationic) of the pollutant dyes particles. The preliminary adsorption experiments demonstrated that the raw grounded mica mineral has a greater potential associated with its application on cationic dye removal in wastewater. The present study aimed to detail the main characteristics of the mica mineral in order to evaluate the potential use of such mineral residues in the removal efficiency of contaminated wastewater.
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Affiliation(s)
- Anna Carla Ribeiro
- LEAF - Linking Landscape, Environment, Agriculture and Food, Universidade de Lisboa - Instituto Superior de Agronomia, Lisbon, Portugal
| | | | - Heloise Beatriz Quesada
- Department of Chemical Engineering, Universidade Estadual de Maringá, Maringá/Paraná, Brazil
| | | | - Rosângela Bergamasco
- Department of Chemical Engineering, Universidade Estadual de Maringá, Maringá/Paraná, Brazil
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Vojnović B, Cetina M, Franjković P, Sutlović A. Influence of Initial pH Value on the Adsorption of Reactive Black 5 Dye on Powdered Activated Carbon: Kinetics, Mechanisms, and Thermodynamics. Molecules 2022; 27:1349. [PMID: 35209138 DOI: 10.3390/molecules27041349] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/09/2022] [Accepted: 02/13/2022] [Indexed: 11/23/2022]
Abstract
The aim of this work was to investigate the influence of initial pH value (pH0) on the isothermal adsorption of Reactive Black 5 (RB5) dye on commercial powdered activated carbon. Four initial pH values were chosen for this experiment: pH0 = 2.00, 4.00, 8.00, and 10.00. In order to investigate the mechanism of adsorption kinetic, studies have been performed using pseudo-first-order and pseudo-second-order kinetic models as well as an intraparticle diffusion model. In addition, thermodynamic parameters of adsorption were determined for pH0 = 4.00. Results of this research showed that the initial pH value significantly influences the adsorption of RB5 dye onto activated carbon. The highest adsorption capacities (qe) and efficiencies of decolouration were observed for initial pH values of pH0 = 2.00 (qe = 246.0 mg g−1) and 10.00 (qe = 239.1 mg g−1) due to strong electrostatic interactions and attractive π···π interactions, respectively. It was also shown that the adsorption of RB5 dye on activated carbon at all initial pH values is kinetically controlled, assuming a pseudo-second-order model, and that intraparticle diffusion is not the only process that influences on the adsorption rate.
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Sadhu SP, Ruparelia JP, Patel UD. Homogeneous photocatalytic degradation of azo dye Reactive Black 5 using Fe(III) ions under visible light. Environ Technol 2022; 43:199-206. [PMID: 32538321 DOI: 10.1080/09593330.2020.1782995] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
Efficient and cost-effective method to destroy complex dyes is warranted to combat increasing water pollution. In the present study, homogeneous photocatalytic oxidation (PCO) of Reactive Black 5 (RB5) dye was studied using ferric ions (Fe(III)) under visible light (VL) irradiation and sunlight (SL). In the presence of 5 mM ferric ions and at pH 2.6, more than 80% of initial 20 mg/L RB5 was decolourized in 60 min under artificial VL. Decolourization followed pseudo first-order kinetics with the reaction rate constant 0.0356 min-1. 79% of initial COD was removed at the end of 60 min, suggesting mineralization of RB5 as the main cause of decolourization. Using similar experimental conditions under SL, more than 90% RB5 was decolourized in 15 min with an almost 10-fold increase in the reaction rate constant (0.34 min-1). Rate and extent of RB5 destruction significantly decreased in the presence of •OH scavenger indicating photoreduction of Fe-hydroxo species and generation of •OH as the main mechanism of RB5 degradation. RB5 removal increased from ca. 30% to 84% with the increase in Fe(III) concentration from 0.5 to 5 mM. The corresponding 1st-order rate constants increased linearly from 0.006 to 0.036 min-1. RB5 degradation decreased linearly (R2 = 0.98) from 91.7% to 63.3% with the increase in initial RB5 concentration from 10 to 40 mg/L. Fe(III) induced homogenous PCO appears to be a reliable and low-cost method of advanced oxidation without the need for costly reagent such as H2O2.
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Affiliation(s)
- Shailaja P Sadhu
- Civil Engineering Department, Faculty of Technology & Engineering, The M. S. University of Baroda, Vadodara, India
| | - J P Ruparelia
- Chemical Engineering Department, Institute of Technology, Nirma University, Ahmedabad, India
| | - Upendra D Patel
- Civil Engineering Department, Faculty of Technology & Engineering, The M. S. University of Baroda, Vadodara, India
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Tara N, Iqbal M, Habib FE, Khan QM, Iqbal S, Afzal M, Brix H. Investigating degradation metabolites and underlying pathway of azo dye " Reactive Black 5" in bioaugmented floating treatment wetlands. Environ Sci Pollut Res Int 2021; 28:65229-65242. [PMID: 34231138 DOI: 10.1007/s11356-021-15130-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/21/2021] [Indexed: 06/13/2023]
Abstract
The direct discharge of azo dyes and/or their metabolites into the environment may exert toxic, mutagenic, and carcinogenic effects on exposed fauna and flora. In this study, we analyzed the metabolites produced during the degradation of an azo dye namely Reactive Black 5 (RB5) in the bacterial-augmented floating treatment wetlands (FTWs), followed by the investigation of their underlying toxicity. To this end, a FTWs system was developed by using a common wetland plant Phragmites australis in the presence of three dye-degrading bacteria (Acinetobacter junii strain NT-15, Pseudomonas indoloxydans strain NT-38, and Rhodococcus sp. strain NT-39). We found that the FTW system effectively degraded RB5 into at least 20 different metabolites with the successful removal of color (95.5%) from the water. The fish toxicity assay revealed the nontoxic characteristics of the metabolites produced after dye degradation. Our study suggests that bacterially aided FTWs could be a suitable option for the successful degradation of azo dyes, and the results presented in this study may help improve the overall textile effluent cleanup processes.
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Affiliation(s)
- Nain Tara
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, Faisalabad, 38000, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan
| | - Mazhar Iqbal
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, Faisalabad, 38000, Pakistan.
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan.
| | - Fazal-E Habib
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, Faisalabad, 38000, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan
| | - Qaiser Mahmood Khan
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, Faisalabad, 38000, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan
| | - Samina Iqbal
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, Faisalabad, 38000, Pakistan
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan
| | - Muhammad Afzal
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Jhang Road, Faisalabad, 38000, Pakistan.
- Pakistan Institute of Engineering and Applied Sciences (PIEAS), Islamabad, Pakistan.
| | - Hans Brix
- Department of Biology, Aarhus University, 8000, Aarhus C, Denmark
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Fazeliyan E, Sadeghi M, Forouzandeh S, Doosti A, Mohammadi Moghadam F, Sedehi M, Emadi Z, Sadeghi R. Decolorization mechanism, identification of an FMN-dependent NADH-azoreductase from a moderately halotolerant Staphylococcus sp. MEH038S, and toxicity assessment of biotransformed metabolites. Water Environ Res 2021; 93:2072-2083. [PMID: 33977577 DOI: 10.1002/wer.1580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
The application of halotolerant microorganisms capable of decolorizing is attractive. Decolorization mechanism, the effect of different parameters on the decolorization percentage, and toxicity analysis of Reactive Black 5 before and after decolorization were investigated in the present study. The decolorization percentage for live cells of Staphylococcus sp. strain MEH038S was more than dead cells, which demonstrated that Reactive Black 5 was decolorized through the degradation process. The results confirmed that an FMN-dependent NADH-azoreductase gene was responsible for the decolorization and then was identified as Staphylococcus sp. EFS01 azoreductase from a moderately halotolerant Staphylococcus strain for the first time. The maximal decolorization of 98.15% was observed at pH 6.5 and 35 ° C for 50 mg/L of Reactive Black 5. In addition, more than 90% decolorization was achieved with 5-40 g/L of NaCl. The results of Gas chromatography-mass spectrometry and Fourier transform infrared spectroscopy showed that Reactive Black 5 was broken to the lower molecular weight compounds without any chromophoric azo groups. Phytotoxicity and fish toxicity proved that the biotransformed metabolites of Reactive Black 5 degradation were more toxic than the original dye. The moderate halotolerant strain exhibited a remarkable decolorization capability and can be applied for textile wastewater treatment. PRACTITIONER POINTS: An azoreductase gene from a moderately halotolerant Staphylococcus was identified. More than 90% decolorization efficiency was observed under high-salt conditions. Biotransformed metabolites of RB5 degradation were identified. Toxicity analysis of biotransformed metabolites was investigated.
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Affiliation(s)
- Ebrahim Fazeliyan
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mehraban Sadeghi
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Solieman Forouzandeh
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Abbas Doosti
- Biotechnology Research Center, Islamic Azad University, Shahrekord, Iran
| | - Fazel Mohammadi Moghadam
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Morteza Sedehi
- Department of Biostatistics, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Emadi
- Department of Environmental Health Engineering, School of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ramin Sadeghi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan, Iran
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Cheng H, Yuan M, Zeng Q, Zhou H, Zhan W, Chen H, Mao Z, Wang Y. Efficient reduction of reactive black 5 and Cr(Ⅵ) by a newly isolated bacterium of Ochrobactrum anthropi. J Hazard Mater 2021; 406:124641. [PMID: 33321321 DOI: 10.1016/j.jhazmat.2020.124641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/24/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
It is important to obtain bacteria with the ability for reduction of dyes and Cr(Ⅵ) since dyes and Cr(Ⅵ) are often co-exist in textile wastewater. In this study, a new strain belonging to Ochrobactrum anthropi was isolated from textile wastewater, and could efficiently reduce Reactive Black 5 (RB 5) and Cr(Ⅵ). The results showed the degradation efficiency of RB 5 could achieve 100% and reduction efficiency of Cr(Ⅵ) was up to 80% within 3 days at initial RB 5 and Cr(Ⅵ) concentration of 400 mg/L and 20 mg/L. Mn2+ and Cu2+ could enhance the removal of RB 5 and Cr(Ⅵ), respectively. Glycerin, as electron donor, improved reduction efficiencies of RB 5 and Cr(Ⅵ). In addition, reduction mechanisms were further investigated. The results demonstrated that decreasing of RB 5 and Cr(Ⅵ) concentration were mainly through extracellular bioreduction rather than by adsorption. The FTIR and XPS analyses revealed that the O‒H, C‒C and C‒H groups on the cell surface might be involved in the reduction of RB 5 and Cr(Ⅵ). The information gives useful insights into understanding of how the bacterium reduce RB 5 and Cr(Ⅵ). The results indicated that the strain had excellent application prospect for treating industrial wastewater.
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Affiliation(s)
- Haina Cheng
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China; Key Laboratory of Biometallurgy of Ministry of Education, Changsha 410083, Hunan, China
| | - Mingzhu Yuan
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
| | - Qiang Zeng
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
| | - Hongbo Zhou
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China; Key Laboratory of Biometallurgy of Ministry of Education, Changsha 410083, Hunan, China
| | - Wenhao Zhan
- National Key Laboratory of Human Factors Engineering, China Astronauts Research and Training Center, Beijing 100094, China
| | - Hui Chen
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
| | - Zhenhua Mao
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China
| | - Yuguang Wang
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, Hunan, China; Key Laboratory of Biometallurgy of Ministry of Education, Changsha 410083, Hunan, China.
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Fernandes CD, Nascimento VRS, Meneses DB, Vilar DS, Torres NH, Leite MS, Vega Baudrit JR, Bilal M, Iqbal HMN, Bharagava RN, Egues SM, Romanholo Ferreira LF. Fungal biosynthesis of lignin-modifying enzymes from pulp wash and Luffa cylindrica for azo dye RB5 biodecolorization using modeling by response surface methodology and artificial neural network. J Hazard Mater 2020; 399:123094. [PMID: 32534401 DOI: 10.1016/j.jhazmat.2020.123094] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/29/2020] [Accepted: 05/29/2020] [Indexed: 02/05/2023]
Abstract
This study demonstrates the evaluation between the artificial neural network technique coupled to the genetic algorithm (ANN-GA) and the response surface methodology (RSM) for prediction of Reactive Black 5 (RB5) decolorization by crude enzyme from Pleurotus. sajor-caju. Fungal lignin-modifying enzymes (FLME) were synthesized using pulp wash (PW) as an inducing substrate, and L. cylindrica (L.C) for cell immobilization. When grown in PW, the fungus showed higher Lac activity (126.5 IU. mL-1), whereas when immobilized a higher MnP activity was achieved (22.79 IU. mL-1), but both methods were capable of decolorizing the dye in about 89.4 % and 75 %, respectively. This indicates applicability of PW as an alternative substrate for FLME induction and viability of immobilization for MnP synthesis. For RB5 decolorization, the action of the crude enzyme extract was considered as a function of pH, dye concentration, temperature, and reaction time. The models are well adjusted to predict the efficiency of biodecolorization, with no statistical difference between ANN-GA and RSM, which indicates potential for green enzymes prospecting application in bioprocess industry.
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Affiliation(s)
- Clara Dourado Fernandes
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil.
| | - Victor Ruan Silva Nascimento
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil
| | - Diego Batista Meneses
- National Nanotechnology Laboratory, National Center for High Technology, 10109, Pavas, San José, Costa Rica
| | - Débora S Vilar
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil
| | - Nádia Hortense Torres
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil; Institute of Technology and Research, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil.
| | - Manuela Souza Leite
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil; Institute of Technology and Research, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil
| | - José Roberto Vega Baudrit
- National Nanotechnology Laboratory, National Center for High Technology, 10109, Pavas, San José, Costa Rica; Laboratory of Polymer Science and Technology, School of Chemistry, Universidad Nacional, Campus Omar Dengo, 86-3000, Heredia, Costa Rica
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., CP 64849, Mexico
| | - Ram Naresh Bharagava
- Laboratory for Bioremediation and Metagenomics Research (LBMR), Department of Microbiology (DM), Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar, Raebareli Road, Lucknow, 226 025, Uttar Pradesh, India
| | - Silvia Maria Egues
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil; Institute of Technology and Research, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil
| | - Luiz Fernando Romanholo Ferreira
- Graduate Program in Process Engineering, Tiradentes University, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil; Institute of Technology and Research, Murilo Dantas Avenue, 300, Farolândia, 49032-490, Aracaju, Sergipe, Brazil.
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15
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Ma H, Xu KZ, Wang YJ, Yan N, Liao XR, Guan ZB. Enhancing the decolorization activity of Bacillus pumilus W3 CotA-laccase to Reactive Black 5 by site-saturation mutagenesis. Appl Microbiol Biotechnol 2020; 104:9193-9204. [PMID: 32918582 DOI: 10.1007/s00253-020-10897-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/02/2020] [Accepted: 09/07/2020] [Indexed: 12/31/2022]
Abstract
Reactive Black 5 (RB5) is a typical refractory azo dye. Widespread utilization of RB5 has caused a variety of environmental and health problems. The enzymatic degradation of RB5 can be a promising solution due to its superiority as an eco-friendly and cost-competitive process. Bacterial CotA-laccase shows great application prospect to eliminate hazardous dyes from wastewater. However, efficient decolorization of RB5 CotA-laccase generally requires the participation of costly, toxic mediators. In the present study, we modified the amino acids Thr415 and Thr418 near the type 1 copper site and the amino acid Gln442 at the entrance of the substrate-binding pocket of Bacillus pumilus W3 CotA-laccase to boost its RB5 decolorization activity based on molecular docking analysis and site-saturation mutagenesis. Through the strategies, two double site mutants T415D/Q442A and T418K/Q442A obtained demonstrated 43.94 and 52.64% RB5 decolorization rates in the absence of a mediator at pH 10.0, respectively, which were about 3.70- and 4.43-fold higher compared with the wild-type CotA-laccase. Unexpectedly, the catalytic efficiency of the T418K/Q442A to ABTS was enhanced by 5.33-fold compared with the wild-type CotA-laccase. The mechanisms of conferring enhanced activity to the mutants were proposed by structural analysis. In summary, the mutants T415D/Q442A and T418K/Q442A have good application potentials for the biodegradation of RB5. KEY POINTS: • Three amino acids of CotA-laccase were manipulated by site-saturation mutagenesis. • Decolorization rate of two mutants to RB5 was enhanced 3.70- and 4.43-fold, respectively. • The mechanisms of awarding enhanced activity to the mutants were supposed.
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Affiliation(s)
- Hui Ma
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Kai-Zhong Xu
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Ya-Jing Wang
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Na Yan
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Xiang-Ru Liao
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Zheng-Bing Guan
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China.
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Ashrafi S, Mengelizadeh N, Dadban Shahamat Y, Zare MR, Jalil M, Berizi Z, Shooshtarian MR, Parvizimehr A, Zolghadr R. Multi-walled carbon nanotubes-CoFe 2 O 4 nanoparticles as a reusable novel peroxymonosulfate activator for degradation of Reactive Black 5. Water Environ Res 2020; 92:969-974. [PMID: 31904156 DOI: 10.1002/wer.1291] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 11/27/2019] [Accepted: 12/10/2019] [Indexed: 06/10/2023]
Abstract
In this study, CoFe2 O4 nanoparticles supported on multi-walled carbon nanotubes (MWCNTs), as novel peroxymonosulfate (PMS) activator, were synthesized for degradation of Reactive Black 5 (RB5). The results showed that the maximum removal efficiencies of RB5 (100%), chemical oxygen demand (83.12%), and total organic carbon (65.5%) could happen at pH of 7, catalyst dosage of 100 mg/L, PMS dosage of 2 mM, RB5 concentration of 50 mg/L, and time of 30 min. The results of the temperature effect showed that the activation energy (Ea = 20.92 kJ/mol) for the synthesized catalyst is much lower compared to other studies. The PMS/MWCNTs-CoFe2 O4 system had higher decolorization efficiency and kinetic rates compared to other adsorption and oxidation systems. Quenching experiments proved that RB5 was degraded by sulfate and hydroxyl radicals. The MWCNTs-CoFe2 O4 catalyst showed suitable stability and reusability even after five consecutive catalytic reactions. The continuous treatment of RB5 in real water resources was performed using catalyst packed in a column reactor, and its results showed the high efficiency of the column in the catalytic treatment of the dye at long reaction time. Based on the proposed degradation pathway, the azo bands and the naphthalene structure of RB5 are oxidized to compounds with low molecular weight. PRACTITIONER POINTS: MWCNTs-CoFe2 O4 was used as a novel recyclable catalyst for the activation of peroxymonosulfate and dye degradation. The rate of dye degradation and peroxymonosulfate activation by MWCNTs-CoFe2 O4 was much higher than that of the catalysts alone. Radical SO 4 · - , with contribution percentage of 73.20%, was the main agent for degradation of Reactive Black 5 dye. MWCNTs-CoFe2 O4 in the dye degradation process showed excellent stability and reusability, lower activation energy, and easier separation. The dye degradation products were identified by gas chromatography and UV-vis spectrophotometric analyses, and their degradation pathway was suggested.
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Affiliation(s)
- Sara Ashrafi
- Department of Environmental Health, Health Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Nezamaddin Mengelizadeh
- Department of Environmental Health Engineering, Faculty of Evaz Health, Research Center of Health, Safety and Environment, Larestan University of Medical Sciences, Larestan, Iran
| | - Yousef Dadban Shahamat
- Department of Environmental Health Engineering, Faculty of Health, Environmental Health Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Mohammad Reza Zare
- Department of Environmental Health Engineering, Faculty of Evaz Health, Larestan University of Medical Sciences, Larestan, Iran
| | - Mohammad Jalil
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zohreh Berizi
- Department of Environmental Health Engineering, Faculty of Evaz Health, Larestan University of Medical Sciences, Larestan, Iran
| | - Mohammad Reza Shooshtarian
- Department of Environmental Health Engineering, Faculty of Evaz Health, Larestan University of Medical Sciences, Larestan, Iran
| | - Ali Parvizimehr
- Department of Environmental Health Engineering, Faculty of Evaz Health, Larestan University of Medical Sciences, Larestan, Iran
| | - Razieh Zolghadr
- Department of Health Education and Promotion, Faculty of Evaz Health, Larestan University of Medical Sciences, Larestan, Iran
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Munagapati VS, Wen JC, Pan CL, Gutha Y, Wen JH, Reddy GM. Adsorptive removal of anionic dye ( Reactive Black 5) from aqueous solution using chemically modified banana peel powder: kinetic, isotherm, thermodynamic, and reusability studies. Int J Phytoremediation 2019; 22:267-278. [PMID: 31464513 DOI: 10.1080/15226514.2019.1658709] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The removal of Reactive Black 5 (RB5) using chemically modified banana peel powder (CMBPP) from aqueous solution was dealt with in the present investigation. Factors affecting the adsorption of RB5 (like pH solution, agitation speed, initial concentration of RB5, contact time and temperature) were investigated. FTIR, SEM-EDX, BET and Elemental analysis characterized the adsorbent material. Adsorption kinetic results evaluated by non-linear pseudo-second-order model was fitted well and showed good correlation with the experimental data than the pseudo-first-order model. The experimental equilibrium data evaluated by non-linear Langmuir, Freundlich, Dubinin-Radushkevich (D-R), and Temkin equations and the experimental data were well described by the Langmuir isotherm model. Langmuir monolayer sorption capacity of RB5 onto CMBPP was observed at pH 3.0 (211.8 mg/g). The values of thermodynamic parameters revealed that the sorption process was feasible, spontaneous, endothermic, and physisorption in nature, i.e. (ΔG° <0, ΔH° > 0, and ΔS° > 0). Desorption studies reveal that the maximum recovery of RB5 when 0.1 M NaOH solution used as a desorbent. The CMBPP also exhibited excellent regeneration efficiency for the five cycles of successive adsorption-desorption. The results exposed that CMBPP could use as a prospective adsorbent material for the removal of RB5 from aqueous media.
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Affiliation(s)
- Venkata Subbaiah Munagapati
- Research Centre for Soil & Water Resources and Natural Disaster Prevention (SWAN), National Yunlin University of Science & Technology, Douliou, Taiwan, ROC
| | - Jet-Chau Wen
- Research Centre for Soil & Water Resources and Natural Disaster Prevention (SWAN), National Yunlin University of Science & Technology, Douliou, Taiwan, ROC
- Department and Graduate School of Safety and Environment Engineering, National Yunlin University of Science & Technology, Douliou, Taiwan, ROC
| | - Chih-Long Pan
- Bachelor Program in Interdisciplinary studies, College of Future, National Yunlin University of Science & Technology, Douliou, Taiwan, ROC
| | - Yuvaraja Gutha
- School of Civil Engineering, Guangzhou University, Guangzhou, P. R. China
| | - Jyh-Horng Wen
- Department of Electrical Engineering, Tunghai University, Taichung, Taiwan, ROC
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Dzinun H, Othman MHD, Ismail AF. Photocatalytic performance of TiO 2/Clinoptilolite: Comparison study in suspension and hybrid photocatalytic membrane reactor. Chemosphere 2019; 228:241-248. [PMID: 31035161 DOI: 10.1016/j.chemosphere.2019.04.118] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/01/2019] [Accepted: 04/15/2019] [Indexed: 06/09/2023]
Abstract
Comparison studies in suspension and hybrid photocatalytic membrane reactor (HPMR) system was investigated by using Reactive Black 5 (RB5) as target pollutant under UVA light irradiation. To achieve this aim, hybrid TiO2/clinoptilolite (TCP) photocatalyst powder was prepared by solid-state dispersion (SSD) methods and embedded at the outer layer of dual layer hollow fiber (DLHF) membranes fabricated via single step co-spinning process. TiO2 and CP photocatalyst were also used as control samples. The samples were characterized by Scanning Electron Microscopy (SEM), Energy Dispersion of X-ray (EDX), X-ray diffraction (XRD) and Brunauer-Emmett-Teller (BET) analyses. The result shows that TCP was actively functioned as photocatalyst in suspension system and 86% of RB5 photocatalytic degradation achieved within 60 min; however the additional step is required to separate the catalyst with treated water. In the HPMR system, even though the RB5 photocatalytic degradation exhibits lower efficiency however the rejection of RB5 was achieved up to 95% under UV irradiation due to the properties of photocatalytic membranes. The well dispersed of TCP at the outer layer of DLHF membrane have improved the surface affinity of DL-TCP membrane towards water, exhibit the highest pure water flux of 41.72 L/m2.h compared to DL-TiO2 membrane. In general, CP can help on improving photocatalytic activity of TiO2 in suspension, increased the RB5 removal and the permeability of DLHF membrane in HPMR system as well.
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Affiliation(s)
- Hazlini Dzinun
- Centre for Diploma Studies (CeDS), Universiti Tun Hussein Onn Malaysia, 84600, Muar, Johor, Malaysia.
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia.
| | - A F Ismail
- Advanced Membrane Technology Research Centre (AMTEC), Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
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Ma X, Wang X, Yin X, Kan X, Wang Z. Electrochemical stripping of cotton fabrics dyed with Reactive Black 5 in water and wastewater. Chemosphere 2018; 206:17-25. [PMID: 29723748 DOI: 10.1016/j.chemosphere.2018.04.122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 04/08/2018] [Accepted: 04/19/2018] [Indexed: 06/08/2023]
Abstract
Cotton fabrics dyed with Reactive Black 5 (RB5) was electrochemically stripped using Ti/TiO2-RuO2-IrO2 anode in water, pyridine and phenol solution. The results showed that RB5 dye could be easily stripped from the surface of cotton fabrics through the cleavage of chromophoric group (NN) under the attack of hydroxyl radicals (OH) and active chlorines generated in situ. Efficient stripping performance could be obtained in water and pyridine solution, whilst the stripping percent was not obviously affected by pyridine concentration and layers of dyed cotton fabrics. Whereas, phenol existing in water slowed the stripping rate due to the competition between the stripping of RB5 dye and the degradation of phenol. In the case of multi-layer dyed cotton fabrics, the stripping performance of the inner layer is superior to that of the outer layer owing to that the cotton fabrics hinder the diffusion of active chlorines and OH. The FTIR analysis of stripped cotton fabrics showed that the effect of electrochemical process and the existence of pollutant in water on the stripped cotton fabrics could be negligible. Electrochemical oxidation could also successfully strip various dyes from waste cotton fabrics in the investigated stripping solutions. Therefore, electrochemical oxidation provides an environmentally friendly alternative for color stripping of dyed cotton fabrics. The removal of dye from cotton fabrics and the degradation of pollutant in water could occur simultaneously, implying that wastewater containing chloride ions may replace the fresh water as stripping solution.
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Affiliation(s)
- Xiangjuan Ma
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China.
| | - Xin Wang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Xiaolin Yin
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Xiangru Kan
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Zeyuan Wang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
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20
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Naraghi B, Baneshi MM, Amiri R, Dorost A, Biglari H. Removal of Reactive Black 5 dye from aqueous solutions by coupled electrocoagulation and bio-adsorbent process. Electron Physician 2018; 10:7086-7094. [PMID: 30128100 PMCID: PMC6092133 DOI: 10.19082/7086] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Accepted: 05/26/2018] [Indexed: 12/07/2022] Open
Abstract
Background Textile wastewater contains a significant amount of bio dye compounds including Reactive Black 5 (RB5) as an Azo dye that causes serious damage to the environment and aquatic life in receiving water resources. It is estimated that approximately 15% of the dyestuff is discharged into water bodies and 50% of those are Azo dyes. Objective The aim of this study was to examine the effectiveness of combining electrocoagulation and bio-adsorption methods using the active carbons from Kenya tea waste to remove RB5 from aquatic solutions. Methods Experiments were done in wastewater and the Wastewater laboratory of Gonabad University of Medical Sciences in 2017. Initially, iron electrodes were installed in a 1 L glass container and connected to electrical power with primary dye concentration of 500 mg/l, EC 1000-3000 μs/cm, adsorbent dosage of 0.2-1.0 mg/l, pH 2-9 and electrical potential 30 V. After that, the samples were collected at twenty-minute intervals until the eightieth minute. Performance of dye removal was measured using spectrophotometer techniques (597 nm). Finally, the data were analyzed by descriptive statistics using Microsoft Excel 2017 version. Results The findings of this study demonstrated that the highest simultaneous removal performance (96%) was obtained by pH 6, 80-minute reaction time, and EC 3000 μs/cm. With the increasing of reaction time, the energy consumption, electrodes wear, pH, final temperature of effluent, and removal efficiency would increase. Adsorption process could play a small role in the removal of the dye, while it was very effective in improving the performance of the electrocoagulation process. Conclusion A combination of the electrocoagulation and adsorption processes can be adopted as an efficient and economical way to treat effluents contaminated with dyestuff.
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Affiliation(s)
- Behnaz Naraghi
- MSc. of Environmental Health, Senior Lecturer, Department of Environmental Health Engineering, School of Public Health, Birjand University of Medical Sciences, Birjand, Iran
| | - Mohammad Mehdi Baneshi
- PhD. of Environmental Health, Assistant Professor, Department of Environmental Health Engineering, School of Public Health, Social Determinants of Health Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Reza Amiri
- Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amin Dorost
- Students Research Committee, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
| | - Hamed Biglari
- MSc. of Environmental Health, Senior Lecture, Department of Environmental Health Engineering, School of Public Health, Social Development & Health Promotion Research Center, Gonabad University of Medical Sciences, Gonabad, Iran
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21
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García FE, Plaza-Cazón J, Montesinos VN, Donati ER, Litter MI. Combined strategy for removal of Reactive Black 5 by biomass sorption on Macrocystis pyrifera and zerovalent iron nanoparticles. J Environ Manage 2018; 207:70-79. [PMID: 29154010 DOI: 10.1016/j.jenvman.2017.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 10/31/2017] [Accepted: 11/02/2017] [Indexed: 06/07/2023]
Abstract
Reactive Black 5, RB5, has been used as a model azo dye to evaluate the removal efficiency of sorption on Macrocystis pyrifera biomass (Mpyr) and commercial zerovalent iron nanoparticles (nZVI) in individual and combined treatments. The best conditions for the treatment with the isolated materials were first determined, and then, in series and combined treatments were performed under these conditions, achieving removal efficiencies higher than 80% of the initial dye concentration. Strengths and weaknesses of all removal strategies (individual, in series and combined) are analyzed regarding the application on real effluents. Mpyr efficiently adsorbed RB5, but also increased the total organic content by partial dissolution of components of the algal biomass. Removal experiments with commercial nZVI were also efficient but liberated Fe to the solution, and sulfanilic acid was observed after the treatment as a product of RB5 degradation. In contrast, after the Mpyr treatment, no sulfanilic acid was detected, suggesting that sulfanilic acid is efficiently adsorbed by the biomass. The best condition was the integrated use of Mpyr and nZVI, with a remarkable removal efficiency (69-80%) obtained after only 1 h of treatment. Finally, nZVI were successfully immobilized in Mpyr, and the hybrid material was used to remove RB5 in continuous flow experiments at pH 3, obtaining a removal capacity of 39.9 mg RB5 g-1 after a total processed volume of 630 mL of [RB5]0 = 100 mg L-1.
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Affiliation(s)
- Fabiana E García
- Gerencia Química, Comisión Nacional de Energía Atómica, Av. Gral. Paz 1499, 1650, San Martín, Prov. de Buenos Aires, Argentina
| | | | - V Nahuel Montesinos
- Gerencia Química, Comisión Nacional de Energía Atómica, CONICET, Av. Gral. Paz 1499, 1650, San Martín, Prov. de Buenos Aires, Argentina
| | - Edgardo R Donati
- CINDEFI (CCT-La Plata, CONICET, UNLP), 50 y 115, La Plata, Argentina
| | - Marta I Litter
- Gerencia Química, Comisión Nacional de Energía Atómica, CONICET, Av. Gral. Paz 1499, 1650, San Martín, Prov. de Buenos Aires, Argentina; Instituto de Investigación e Ingeniería Ambiental, Universidad Nacional de Gral. San Martín, Campus Miguelete, Av. 25 de Mayo y Francia, 1650, San Martín, Prov. de Buenos Aires, Argentina.
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Bilal M, Rasheed T, Iqbal HMN, Hu H, Wang W, Zhang X. Toxicological Assessment and UV/TiO 2-Based Induced Degradation Profile of Reactive Black 5 Dye. Environ Manage 2018; 61:171-180. [PMID: 29071551 DOI: 10.1007/s00267-017-0948-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 10/02/2017] [Indexed: 02/08/2023]
Abstract
In this study, the toxicological and degradation profile of Reactive Black 5 (RB5) dye was evaluated using a UV/TiO2-based degradation system. Fourier transform infrared spectroscopy (FT-IR), thin layer chromatography (TLC), high-performance liquid chromatography (HPLC) and ultra-performance liquid chromatography coupled with mass spectrometry (UPLC-MS) techniques were used to evaluate the degradation level of RB5. The UV-Vis spectral analysis revealed the disappearance of peak intensity at 599 nm (λmax). The FT-IR spectrum of UV/TiO2 treated dye sample manifest appearance of new peaks mainly because of the degraded product and/or disappearance of some characteristics peaks which were present in the untreated spectrum. The HPLC profile verified the RB5 degradation subject to the formation of metabolites at different retention times. A stable color removal higher than 96% with COD removal in the range of 74-82.3% was noted at all evaluated dye concentrations. The tentative degradation pathway of RB5 is proposed following a careful analysis of the intermediates identified by UPLC-MS. Toxicity profile of untreated and degraded dye samples was monitored using three types of human cell lines via MTT assay and acute toxicity testing with Artemia salina. In conclusion, the UV/TiO2-based degradation system could be effectively employed for the remediation of textile wastewater comprising a high concentration of reactive dyes.
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Affiliation(s)
- Muhammad Bilal
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Tahir Rasheed
- The School of Chemistry & Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Campus Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey, N.L., CP 64849, Mexico
| | - Hongbo Hu
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China.
- National Experimental Teaching Center for Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Wei Wang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xuehong Zhang
- State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China
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Khalik WF, Ho LN, Ong SA, Voon CH, Wong YS, Yusoff N, Lee SL, Yusuf SY. Optimization of degradation of Reactive Black 5 (RB5) and electricity generation in solar photocatalytic fuel cell system. Chemosphere 2017; 184:112-119. [PMID: 28586651 DOI: 10.1016/j.chemosphere.2017.05.160] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 05/23/2017] [Accepted: 05/28/2017] [Indexed: 05/21/2023]
Abstract
The photocatalytic fuel cell (PFC) system was developed in order to study the effect of several operating parameters in degradation of Reactive Black 5 (RB5) and its electricity generation. Light irradiation, initial dye concentration, aeration, pH and cathode electrode are the operating parameters that might give contribution in the efficiency of PFC system. The degradation of RB5 depends on the presence of light irradiation and solar light gives better performance to degrade the azo dye. The azo dye with low initial concentration decolorizes faster compared to higher initial concentration and presence of aeration in PFC system would enhance its performance. Reactive Black 5 rapidly decreased at higher pH due to the higher amount of OH generated at higher pH and Pt-loaded carbon (Pt/C) was more suitable to be used as cathode in PFC system compared to Cu foil and Fe foil. The rapid decolorization of RB5 would increase their voltage output and in addition, it would also increase their Voc, Jsc and Pmax. The breakage of azo bond and aromatic rings was confirmed through UV-Vis spectrum and COD analysis.
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Affiliation(s)
- Wan Fadhilah Khalik
- Water Research Group (WAREG), School of Environmental Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
| | - Li-Ngee Ho
- School of Materials Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia.
| | - Soon-An Ong
- Water Research Group (WAREG), School of Environmental Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
| | - Chun-Hong Voon
- School of Materials Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
| | - Yee-Shian Wong
- Water Research Group (WAREG), School of Environmental Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
| | - NikAthirah Yusoff
- Water Research Group (WAREG), School of Environmental Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
| | - Sin-Li Lee
- School of Materials Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
| | - Sara Yasina Yusuf
- Water Research Group (WAREG), School of Environmental Engineering, Universiti Malaysia Perlis, Arau, Perlis, 02600, Malaysia
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Cuervo Lumbaque E, Gomes MF, Da Silva Carvalho V, de Freitas AM, Tiburtius ERL. Degradation and ecotoxicity of dye Reactive Black 5 after reductive-oxidative process : Environmental Science and Pollution Research. Environ Sci Pollut Res Int 2017; 24:6126-6134. [PMID: 27384167 DOI: 10.1007/s11356-016-7150-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 06/23/2016] [Indexed: 06/06/2023]
Abstract
This research paper describes the study of a reduction-oxidation system using commercial steel wool (Fe0) and H2O2 for degradation of the dye Reactive Black 5 and aromatic compounds in water. The reductive process alone allowed the almost complete removal of color (97 ± 1 %) after 60 min of reaction. The decrease in spectral area (λ = 599 nm) associated with the chromophore group indicates breakage of the azo bonds. Moreover, the significant change in UV spectra can be associated with the formation of aromatic amines. Regarding the transformation products, a spectrophotometric method based on the diazotization reaction was employed to identify aromatic amines after reductive process, using sulfanilic acid as a model of aromatic amines. In addition, association with Fenton reagents improved the efficiency in the system with 93 ± 1 % degradation of intermediates formed during the reductive process. Ecotoxicological analysis revealed that the dye solution, after the reductive and oxidative processes, was not toxic to Lactuca sativa seeds. For Daphnia magna, the EC50 (%) values observed revealed that dye solution has an EC50(%) = 74.1 and after reductive process, the toxicity increased (EC50(%) = 63.5), which might be related to the formation of aromatic amines. However, after the Fenton process, the EC50 (%) was >100. These results demonstrated that the Fenton reaction using steel wool as an iron source was very efficient to decrease color, aromatic transformation products, and the ecotoxicity of Reactive Black 5 in solution.
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Ottoni C, Simões MF, Fernandes S, Santos CR, Lima N. High Laccase Expression by Trametes versicolor in a Simulated Textile Effluent with Different Carbon Sources and PHs. Int J Environ Res Public Health 2016; 13:E778. [PMID: 27490563 DOI: 10.3390/ijerph13080778] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 07/26/2016] [Accepted: 07/28/2016] [Indexed: 12/03/2022]
Abstract
Textile effluents are highly polluting and have variable and complex compositions. They can be extremely complex, with high salt concentrations and alkaline pHs. A fixed-bed bioreactor was used in the present study to simulate a textile effluent treatment, where the white-rot fungus, Trametes versicolor, efficiently decolourised the azo dye Reactive Black 5 over 28 days. This occurred under high alkaline conditions, which is unusual, but advantageous, for successful decolourisation processes. Active dye decolourisation was maintained by operation in continuous culture. Colour was eliminated during the course of operation and maximum laccase (Lcc) activity (80.2 U∙L−1) was detected after glycerol addition to the bioreactor. Lcc2 gene expression was evaluated with different carbon sources and pH values based on reverse transcriptase-PCR (polymerase chain reaction). Glycerol was shown to promote the highest lcc2 expression at pH 5.5, followed by sucrose and then glucose. The highest levels of expression occurred between three and four days, which corroborate the maximum Lcc activity observed for sucrose and glycerol on the bioreactor. These results give new insights into the use of T. versicolor in textile dye wastewater treatment with high pHs.
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Wong CPP, Lai CW, Lee KM, Hamid SBA. Advanced Chemical Reduction of Reduced Graphene Oxide and Its Photocatalytic Activity in Degrading Reactive Black 5. Materials (Basel) 2015; 8:7118-7128. [PMID: 28793623 PMCID: PMC5455390 DOI: 10.3390/ma8105363] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 08/18/2015] [Accepted: 08/21/2015] [Indexed: 11/29/2022]
Abstract
Textile industries consume large volumes of water for dye processing, leading to undesirable toxic dyes in water bodies. Dyestuffs are harmful to human health and aquatic life, and such illnesses as cholera, dysentery, hepatitis A, and hinder the photosynthetic activity of aquatic plants. To overcome this environmental problem, the advanced oxidation process is a promising technique to mineralize a wide range of dyes in water systems. In this work, reduced graphene oxide (rGO) was prepared via an advanced chemical reduction route, and its photocatalytic activity was tested by photodegrading Reactive Black 5 (RB5) dye in aqueous solution. rGO was synthesized by dispersing the graphite oxide into the water to form a graphene oxide (GO) solution followed by the addition of hydrazine. Graphite oxide was prepared using a modified Hummers’ method by using potassium permanganate and concentrated sulphuric acid. The resulted rGO nanoparticles were characterized using ultraviolet-visible spectrophotometry (UV-Vis), X-ray powder diffraction (XRD), Raman, and Scanning Electron Microscopy (SEM) to further investigate their chemical properties. A characteristic peak of rGO-48 h (275 cm−1) was observed in the UV spectrum. Further, the appearance of a broad peak (002), centred at 2θ = 24.1°, in XRD showing that graphene oxide was reduced to rGO. Based on our results, it was found that the resulted rGO-48 h nanoparticles achieved 49% photodecolorization of RB5 under UV irradiation at pH 3 in 60 min. This was attributed to the high and efficient electron transport behaviors of rGO between aromatic regions of rGO and RB5 molecules.
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Affiliation(s)
- Christelle Pau Ping Wong
- Nanotechnology & Catalysis Research Centre (NANOCAT), Level 3, Block A, IPS Building, University of Malaya (UM), Kuala Lumpur 50603, Malaysia.
| | - Chin Wei Lai
- Nanotechnology & Catalysis Research Centre (NANOCAT), Level 3, Block A, IPS Building, University of Malaya (UM), Kuala Lumpur 50603, Malaysia.
| | - Kian Mun Lee
- Nanotechnology & Catalysis Research Centre (NANOCAT), Level 3, Block A, IPS Building, University of Malaya (UM), Kuala Lumpur 50603, Malaysia.
| | - Sharifah Bee Abd Hamid
- Nanotechnology & Catalysis Research Centre (NANOCAT), Level 3, Block A, IPS Building, University of Malaya (UM), Kuala Lumpur 50603, Malaysia.
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de Luna LAV, da Silva THG, Nogueira RFP, Kummrow F, Umbuzeiro GA. Aquatic toxicity of dyes before and after photo-Fenton treatment. J Hazard Mater 2014; 276:332-8. [PMID: 24910910 DOI: 10.1016/j.jhazmat.2014.05.047] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Revised: 04/17/2014] [Accepted: 05/07/2014] [Indexed: 05/03/2023]
Abstract
This study evaluated the ecotoxicity of five dyes to freshwater organisms before and during their photo-Fenton degradation. EC50 (48h) of the five tested dyes ranged from of 6.9 to >1000mgL(-1) for Daphnia similis. In the chronic tests IC50 (72h) varied from 65 to >100mgL(-1) for Pseudokirchneriella subcapitata and IC50 (8 days) from 0.5 to 410mgL(-1) for Ceriodaphnia dubia. Toxicity tests revealed that although the applied treatment was effective for decolorization of the dye, the partial mineralization may be responsible for the presence of degradation products which can be either more toxic than the original dye, as is the case of Vat Green 3 and Reactive Black 5, lead to initially toxic products which may be further degraded to non toxic products (acid Orange 7 and Food Red 17), or generate non toxic products as in the case of Food Yellow 3. The results highlighted the importance of assessing both acute and chronic toxicity tests of treated sample before effluent discharge.
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Affiliation(s)
- Luis A V de Luna
- Faculdade de Tecnologia, UNICAMP - Universidade Estadual de Campinas, Limeira, SP 13484-332, Brazil.
| | - Thiago H G da Silva
- Departamento de Química Analítica, Instituto de Química de Araraquara, UNESP - Univ Estadual Paulista, SP 14800-900, Brazil.
| | - Raquel F Pupo Nogueira
- Departamento de Química Analítica, Instituto de Química de Araraquara, UNESP - Univ Estadual Paulista, SP 14800-900, Brazil.
| | - Fábio Kummrow
- Faculdade de Tecnologia, UNICAMP - Universidade Estadual de Campinas, Limeira, SP 13484-332, Brazil; Instituto de Ciências Ambientais, Químicas e Farmacêuticas, Universidade Federal de São Paulo, Diadema, SP 09972-270, Brazil.
| | - Gisela A Umbuzeiro
- Faculdade de Tecnologia, UNICAMP - Universidade Estadual de Campinas, Limeira, SP 13484-332, Brazil.
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Álvarez MS, Moscoso F, Rodríguez A, Sanromán MA, Deive FJ. Novel physico-biological treatment for the remediation of textile dyes-containing industrial effluents. Bioresour Technol 2013; 146:689-695. [PMID: 23985354 DOI: 10.1016/j.biortech.2013.07.137] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 07/27/2013] [Accepted: 07/29/2013] [Indexed: 06/02/2023]
Abstract
In this work, a novel remediation strategy consisting of a sequential biological and physical process is proposed to remove dyes from a textile polluted effluent. The decolorization ability of Anoxybacillus flavithermus in an aqueous effluent containing two representative textile finishing dyes (Reactive Black 5 and Acid Black 48, as di-azo and antraquinone class, respectively) was proved. The decolorization efficiency for a mixture of both dyes reached almost 60% in less than 12h, which points out the suitability of the selected microorganism. In a sequential stage, an aqueous biphasic system consisting of non-ionic surfactants and a potassium-based organic salt, acting as the salting out agent, was investigated. The phase segregation potential of the selected salts was evaluated in the light of different thermodynamic models, and remediation levels higher than 99% were reached.
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Affiliation(s)
- M S Álvarez
- Department of Chemical Engineering, University of Vigo, 36310 Vigo, Spain
| | - F Moscoso
- Department of Chemical Engineering, University of Vigo, 36310 Vigo, Spain
| | - A Rodríguez
- Department of Chemical Engineering, University of Vigo, 36310 Vigo, Spain
| | - M A Sanromán
- Department of Chemical Engineering, University of Vigo, 36310 Vigo, Spain
| | - F J Deive
- Department of Chemical Engineering, University of Vigo, 36310 Vigo, Spain.
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Secula MS, Cretescu I, Cagnon B, Manea LR, Stan CS, Breaban IG. Fractional Factorial Design Study on the Performance of GAC-Enhanced Electrocoagulation Process Involved in Color Removal from Dye Solutions. Materials (Basel) 2013; 6:2723-2746. [PMID: 28811405 PMCID: PMC5521228 DOI: 10.3390/ma6072723] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/21/2013] [Revised: 04/08/2013] [Accepted: 05/10/2013] [Indexed: 12/02/2022]
Abstract
The aim of this study was to determine the effects of main factors and interactions on the color removal performance from dye solutions using the electrocoagulation process enhanced by adsorption on Granular Activated Carbon (GAC). In this study, a mathematical approach was conducted using a two-level fractional factorial design (FFD) for a given dye solution. Three textile dyes: Acid Blue 74, Basic Red 1, and Reactive Black 5 were used. Experimental factors used and their respective levels were: current density (2.73 or 27.32 A/m²), initial pH of aqueous dye solution (3 or 9), electrocoagulation time (20 or 180 min), GAC dose (0.1 or 0.5 g/L), support electrolyte (2 or 50 mM), initial dye concentration (0.05 or 0.25 g/L) and current type (Direct Current-DC or Alternative Pulsed Current-APC). GAC-enhanced electrocoagulation performance was analyzed statistically in terms of removal efficiency, electrical energy, and electrode material consumptions, using modeling polynomial equations. The statistical significance of GAC dose level on the performance of GAC enhanced electrocoagulation and the experimental conditions that favor the process operation of electrocoagulation in APC regime were determined. The local optimal experimental conditions were established using a multi-objective desirability function method.
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Affiliation(s)
- Marius Sebastian Secula
- Faculty of Chemical Engineering and Environmental, Gheorghe Asachi Technical University of Iasi, Protection, 73, Prof. Dimitrie Mangeron Street, Iasi 700050, Romania.
| | - Igor Cretescu
- Faculty of Chemical Engineering and Environmental, Gheorghe Asachi Technical University of Iasi, Protection, 73, Prof. Dimitrie Mangeron Street, Iasi 700050, Romania.
| | - Benoit Cagnon
- Research Center on Divided Matter, CNRS-University of Orléans, 1B, rue de la Férollerie 45071 Orléans cedex 2, France.
| | - Liliana Rozemarie Manea
- Faculty of Textile, Leather and Industrial Management, Gheorghe Asachi Technical University of Iasi, 29, Prof. Dimitrie Mangeron Street, Iasi 700050, Romania.
| | - Corneliu Sergiu Stan
- Faculty of Chemical Engineering and Environmental, Gheorghe Asachi Technical University of Iasi, Protection, 73, Prof. Dimitrie Mangeron Street, Iasi 700050, Romania.
| | - Iuliana Gabriela Breaban
- Department of Geography, Faculty of Geography and Geology, Alexandru Ioan Cuza University of Iasi, 20A, Blvd. Carol I, Iasi 700505, Romania.
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Kansal S, Kaur N, Singh S. Photocatalytic degradation of two commercial reactive dyes in aqueous phase using nanophotocatalysts. Nanoscale Res Lett 2009; 4:709-16. [PMID: 20596421 PMCID: PMC2894065 DOI: 10.1007/s11671-009-9300-3] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2008] [Accepted: 03/24/2009] [Indexed: 05/21/2023]
Abstract
This study involves the photocatalytic degradation of Reactive Black 5 (RB5) and Reactive Orange 4 (RO4) dyes, employing heterogeneous photocatalytic process. Photocatalytic activity of different semiconductors such as titanium dioxide (TiO2) and zinc oxide (ZnO) has been investigated. An attempt has been made to study the effect of process parameters through amount of catalyst, concentration of dye, and pH on photocatalytic degradation of RB5 and RO4. The experiments were carried out by varying pH (3-11), amount of catalyst (0.25-1.5 g/L), and initial concentration of dye (10-100 mg/L). The optimum catalyst dose was found to be 1.25 and 1 g/L for RB5 and RO4, respectively. In the case of RB5, maximum rate of decolorization was observed in acidic medium at pH 4, whereas the decolorization of RO4 reached maximum in basic region at pH 11. The performance of photocatalytic system employing ZnO/UV light was observed to be better than TiO2/UV system. The complete decolorization of RB5 was observed after 7 min with ZnO, whereas with TiO2, only 75% dye degraded in 7 min. In the case of RO4, 92 and 62% decolorization was noticed in the same duration.
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Affiliation(s)
- Sushilkumar Kansal
- Department of Chemical Engineering & Technology, Panjab University, Chandigarh, 160014, India.
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