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Awasthi MK, Amobonye A, Bhagwat P, Ashokkumar V, Gowd SC, Dregulo AM, Rajendran K, Flora G, Kumar V, Pillai S, Zhang Z, Sindhu R, Taherzadeh MJ. Biochemical engineering for elemental sulfur from flue gases through multi-enzymatic based approaches - A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 914:169857. [PMID: 38190912 DOI: 10.1016/j.scitotenv.2023.169857] [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: 09/04/2023] [Revised: 12/30/2023] [Accepted: 12/31/2023] [Indexed: 01/10/2024]
Abstract
Flue gases are the gases which are produced from industries related to chemical manufacturing, petrol refineries, power plants and ore processing plants. Along with other pollutants, sulfur present in the flue gas is detrimental to the environment. Therefore, environmentalists are concerned about its removal and recovery of resources from flue gases due to its activation ability in the atmosphere to transform into toxic substances. This review is aimed at a critical assessment of the techniques developed for resource recovery from flue gases. The manuscript discusses various bioreactors used in resource recovery such as hollow fibre membrane reactor, rotating biological contractor, sequential batch reactor, fluidized bed reactor, entrapped cell bioreactor and hybrid reactors. In conclusion, this manuscript provides a comprehensive analysis of the potential of thermotolerant and thermophilic microbes in sulfur removal. Additionally, it evaluates the efficacy of a multi-enzyme engineered bioreactor in this process. Furthermore, the study introduces a groundbreaking sustainable model for elemental sulfur recovery, offering promising prospects for environmentally-friendly and economically viable sulfur removal techniques in various industrial applications.
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Affiliation(s)
- Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China.
| | - Ayodeji Amobonye
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P O Box 1334, Durban 4000, South Africa
| | - Prashant Bhagwat
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P O Box 1334, Durban 4000, South Africa
| | - Veeramuthu Ashokkumar
- Center for Waste Management and Renewable Energy, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India
| | - Sarath C Gowd
- Department of Environmental Science and Engineering, School of Engineering and Sciences, SRM University, Andhra Pradesh, India
| | - Andrei Mikhailovich Dregulo
- National Research University "Higher School of Economics", 17 Promyshlennaya str, 198095, Saint-Petersburg, Russia
| | - Karthik Rajendran
- Department of Environmental Science and Engineering, School of Engineering and Sciences, SRM University, Andhra Pradesh, India
| | - G Flora
- Department of Botany, St. Mary's College (Autonomous), Tamil Nadu, India
| | - Vinay Kumar
- Bioconversion and Tissue Engineering (BITE) Laboratory, Department of Community Medicine, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Thandalam-602105, India
| | - Santhosh Pillai
- Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P O Box 1334, Durban 4000, South Africa
| | - Zengqiang Zhang
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China
| | - Raveendran Sindhu
- Department of Food Technology, TKM Institute of Technology, Kollam 691 505, Kerala, India
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Bhattacharya R. Removal of nitric oxide in bioreactors: a review on the pathways, governing factors and mathematical modelling. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:12617-12646. [PMID: 38236567 DOI: 10.1007/s11356-024-31919-9] [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: 08/15/2023] [Accepted: 01/04/2024] [Indexed: 01/19/2024]
Abstract
The constant surge in nitric oxide in the atmosphere results in severe environmental degradation, negatively impacting human health and ecosystems, and is presently a global concern. Widely used physicochemical technologies for nitric oxide (NO) removal comes with high installation and operational costs and the production of secondary pollutants. Thus, biological treatment has been emphasized over the last two decades, but the poor solubility of NO in water makes it a challenging issue. The present article reviews the various technical aspects of biological treatment of nitric oxide, including the removal pathways and reactor configurations involved in the process. The most widely used technologies in this regard are chemical adsorption processes followed by biological reactors like biofilters, biotrickling filters and membrane bioreactors that enhance NO solubility and offer the flexibility and scope of further improvement in process design. The effect of various experimental and operational parameters on NO removal, including pH, carbon source, gas flow rate, gas residence time and presence of inhibitory components in the flue gas, is also discussed along with the developed mathematical models for predicting NO removal in a biological treatment system. There is an extensive scope of investigation regarding the development of an economical system to remove NO, and an exhaustive model that would optimize the process considering maximum practical parameters encountered during such operation. A detailed discussion made in this article gives a proper insight into all these areas.
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Affiliation(s)
- Roumi Bhattacharya
- Civil Engineering Department, Indian Institute of Engineering Science and Technology, Howrah, Shibpur, 711103, India.
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Bacterial Biological Factories Intended for the Desulfurization of Petroleum Products in Refineries. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9030211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
The removal of sulfur by deep hydrodesulfurization is expensive and environmentally unfriendly. Additionally, sulfur is not separated completely from heterocyclic poly-aromatic compounds. In nature, several microorganisms (Rhodococcus erythropolis IGTS8, Gordonia sp., Bacillus sp., Mycobacterium sp., Paenibacillus sp. A11-2 etc.) have been reported to remove sulfur from petroleum fractions. All these microbes remove sulfur from recalcitrant organosulfur compounds via the 4S pathway, showing potential for some organosulfur compounds only. Activity up to 100 µM/g dry cell weights is needed to meet the current demand for desulfurization. The present review describes the desulfurization capability of various microorganisms acting on several kinds of sulfur sources. Genetic engineering approaches on Gordonia sp. and other species have revealed a variety of good substrate ranges of desulfurization, both for aliphatic and aromatic organosulfur compounds. Whole genome sequence analysis and 4S pathway inhibition by a pTeR group inhibitor have also been discussed. Now, emphasis is being placed on how to commercialize the microbes for industrial-level applications by incorporating biodesulfurization into hydrodesulfurization systems. Thus, this review summarizes the potentialities of microbes for desulfurization of petroleum. The information included in this review could be useful for researchers as well as the economical commercialization of bacteria in petroleum industries.
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Cubides D, Guimerà X, Jubany I, Gamisans X. A review: Biological technologies for nitrogen monoxide abatement. CHEMOSPHERE 2023; 311:137147. [PMID: 36347354 DOI: 10.1016/j.chemosphere.2022.137147] [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: 05/30/2022] [Revised: 10/18/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Nitrogen oxides (NOx), including nitrogen monoxide (NO) and nitrogen dioxide (NO2), are among the most important global atmospheric pollutants because they have a negative impact on human respiratory health, animals, and the environment through the greenhouse effect and ozone layer destruction. NOx compounds are predominantly generated by anthropogenic activities, which involve combustion processes such as energy production, transportation, and industrial activities. The most widely used alternatives for NOx abatement on an industrial scale are selective catalytic and non-catalytic reductions; however, these alternatives have high costs when treating large air flows with low pollutant concentrations, and most of these methods generate residues that require further treatment. Therefore, biotechnologies that are normally used for wastewater treatment (based on nitrification, denitrification, anammox, microalgae, and combinations of these) are being investigated for flue gas treatment. Most of such investigations have focused on chemical absorption and biological reduction (CABR) systems using different equipment configurations, such as biofilters, rotating reactors, or membrane reactors. This review summarizes the current state of these biotechnologies available for NOx treatment, discusses and compares the use of different microorganisms, and analyzes the experimental performance of bioreactors used for NOx emission control, both at the laboratory scale and in industrial settings, to provide an overview of proven technical solutions and biotechnologies for NOx treatment. Additionally, a comparative assessment of the advantages and disadvantages is performed, and special challenges for biological technologies for NO abatement are presented.
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Affiliation(s)
- David Cubides
- Department of Mining, Industrial and ICT Engineering (EMIT), Biological Treatment of Gaseous Pollutants and Odours Group (BIOGAP), Manresa School of Engineering (EPSEM), Universitat Politècnica de Catalunya (UPC), Av. Bases de Manresa 61-73, 08242 Manresa, Spain; Eurecat, Centre Tecnològic de Catalunya, Sustainability Area, Plaça de la Ciència, 2, Manresa 08242, Spain
| | - Xavier Guimerà
- Department of Mining, Industrial and ICT Engineering (EMIT), Biological Treatment of Gaseous Pollutants and Odours Group (BIOGAP), Manresa School of Engineering (EPSEM), Universitat Politècnica de Catalunya (UPC), Av. Bases de Manresa 61-73, 08242 Manresa, Spain.
| | - Irene Jubany
- Eurecat, Centre Tecnològic de Catalunya, Sustainability Area, Plaça de la Ciència, 2, Manresa 08242, Spain
| | - Xavier Gamisans
- Department of Mining, Industrial and ICT Engineering (EMIT), Biological Treatment of Gaseous Pollutants and Odours Group (BIOGAP), Manresa School of Engineering (EPSEM), Universitat Politècnica de Catalunya (UPC), Av. Bases de Manresa 61-73, 08242 Manresa, Spain
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Jin J, Wang L, Sun W, Yang Z, Chen X, Wang H, Liu G. Membrane-less Paired Electrolysis for Cooperative Conversion of Complex NO in a Complexing Absorption System. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jingjing Jin
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
| | - Lida Wang
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
- Dalian Key Laboratory of Flue Gas Purification and Waste Heat Utilization, Dalian116024, China
| | - Wen Sun
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
- Dalian Key Laboratory of Flue Gas Purification and Waste Heat Utilization, Dalian116024, China
| | - Zhengqing Yang
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
| | - Xu Chen
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
| | - Haiyan Wang
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
| | - Guichang Liu
- Department of Chemical Engineering, Dalian University of Technology, No. 2, Linggong Road, Dalian116024, China
- Dalian Key Laboratory of Flue Gas Purification and Waste Heat Utilization, Dalian116024, China
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Simultaneous Biological and Chemical Removal of Sulfate and Fe(II)EDTA-NO in Anaerobic Conditions and Regulation of Sulfate Reduction Products. MINERALS 2019. [DOI: 10.3390/min9060330] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In the simultaneous flue gas desulfurization and denitrification by biological combined with chelating absorption technology, SO2 and NO are converted into sulfate and Fe(II)EDTA-NO which need to be reduced in biological reactor. Increasing the removal loads of sulfate and Fe(II)EDTA-NO and converting sulfate to elemental sulfur will benefit the application of this process. A moving-bed biofilm reactor was adopted for sulfate and Fe(II)EDTA-NO biological reduction. The removal efficiencies of the sulfate and Fe(II)EDTA-NO were 96% and 92% with the influent loads of 2.88 kg SO42−·m−3·d−1 and 0.48 kg NO·m−3·d−1. The sulfide produced by sulfate reduction could be reduced by increasing the concentrations of Fe(II)EDTA-NO and Fe(III)EDTA. The main reduction products of sulfate and Fe(II)EDTA-NO were elemental sulfur and N2. It was found that the dominant strain of sulfate reducing bacteria in the system was Desulfomicrobium. Pseudomonas, Sulfurovum and Arcobacter were involved in the reduction of Fe(II)EDTA-NO.
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