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Umar Hussain M, Kainat K, Nawaz H, Irfan Majeed M, Akhtar N, Alshammari A, Albekairi NA, Fatima R, Amber A, Bano A, Shabbir I, Tahira M, Pallares RM. SERS characterization of biochemical changes associated with biodesulfurization of dibenzothiophene using Gordonia sp. HS126-4N. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 320:124534. [PMID: 38878718 DOI: 10.1016/j.saa.2024.124534] [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: 12/14/2023] [Revised: 05/08/2024] [Accepted: 05/24/2024] [Indexed: 07/08/2024]
Abstract
In this study, Gordonia sp. HS126-4N was employed for dibenzothiophene (DBT) biodesulfurization, tracked over 9 days using SERS. During the initial lag phase, no significant spectral changes were observed, but after 48 h, elevated metabolic activity was evident. At 72 h, maximal bacterial population correlated with peak spectrum variance, followed by stable spectral patterns. Despite 2-hydroxybiphenyl (2-HBP) induced enzyme suppression, DBT biodesulfurization persisted. PCA and PLS-DA analysis of the SERS spectra revealed distinctive features linked to both bacteria and DBT, showcasing successful desulfurization and bacterial growth stimulation. PLS-DA achieved a specificity of 95.5 %, sensitivity of 94.3 %, and AUC of 74 %, indicating excellent classification of bacteria exposed to DBT. SERS effectively tracked DBT biodesulfurization and bacterial metabolic changes, offering insights into biodesulfurization mechanisms and bacterial development phases. This study highlights SERS' utility in biodesulfurization research, including its use in promising advancements in the field.
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Affiliation(s)
- Muhammad Umar Hussain
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College, Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan
| | - Kiran Kainat
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Haq Nawaz
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
| | - Muhammad Irfan Majeed
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan.
| | - Nasrin Akhtar
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering College, Pakistan Institute of Engineering and Applied Sciences (NIBGE-C, PIEAS), Faisalabad 38000, Pakistan.
| | - Abdulrahman Alshammari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Post Box 2455, Riyadh 11451, Saudi Arabia
| | - Norah A Albekairi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Post Box 2455, Riyadh 11451, Saudi Arabia
| | - Rida Fatima
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Arooj Amber
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Aqsa Bano
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Ifra Shabbir
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Maryam Tahira
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad 38000, Pakistan
| | - Roger M Pallares
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
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Khan J, Ali MI, Jamal A, Achakzai JK, Shirazi JH, Haleem A. Assessment of the dibenzothiophene desulfurization potential of indigenously isolated bacterial consortium IQMJ-5: a different approach to safeguard the environment. Arch Microbiol 2023; 205:95. [PMID: 36807206 DOI: 10.1007/s00203-023-03429-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/26/2023] [Accepted: 01/30/2023] [Indexed: 02/21/2023]
Abstract
Biodesulfurization is emerging as a valuable technology for the desulfurization of dibenzothiophene (DBT) and its alkylated substitutes, which are otherwise regarded as refractory to other physical and chemical desulfurizing techniques. The inability of the currently identified pure cultures and artificial microbial consortia due to lower desulfurization rate and product inhibition issues has compelled the researcher to look for an alternative solution. Thus, in the present study, an indigenously isolated microbial consortium was employed to tackle the desulfurization issue. Herein, we isolated several kinds of DBT desulfurizing natural microbial consortia from hydrocarbon-contaminated soil samples by conventional enrichment technique. The most effective desulfurizing microbial consortium was sequenced through illumine sequencing technique. Finally, the effect of the products of the desulfurizing pathway (such as 2-hydroxybiphenyl (2-HBP) and sulfate (SO4-2) was evaluated on the growth and desulfurization capability of the isolated consortium. The outcomes of Gibb's assay analysis showed that six isolates followed the "4S" pathway and converted DBT to 2-HBP. Among the isolates, I5 showed maximum growth rate (1.078 g/L dry cell weight) and desulfurization activity (about 77% as indicated by HPLC analysis) and was considered for further in-depth experimentation. The analysis of 16S rRNA by high-throughput sequencing approach of the I5 isolate revealed five types of bacterial phyla including Proteobacteria, Bacteroidetes, Firmicutes, Patescibacteria, and Actinobacteria (in order of abundance). The isolate showed significant tolerance to the inhibitory effect of both 2-HBP and SO4-2 and maintained growth in the presence of even about 1.0 mM initial concentration of both products. This clearly suggests that the isolate can be an efficient candidate for future in-depth desulfurization studies of coal and other fossil fuels.
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Affiliation(s)
- Javed Khan
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Muhammad Ishtiaq Ali
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan.
| | - Asif Jamal
- Department of Microbiology, Faculty of Biological Sciences, Quaid-I-Azam University, Islamabad, 45320, Pakistan
| | - Jahangir Khan Achakzai
- Discipline of Biochemistry, Department of Natural and Basic Sciences, University of Turbat (KECH), Turbat, 92600, Baluchistan, Pakistan
| | - Jafir Hussain Shirazi
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, 63100, Punjab, Pakistan
| | - Abdul Haleem
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China.
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Chafale A, Kapley A. Biosurfactants as microbial bioactive compounds in microbial enhanced oil recovery. J Biotechnol 2022; 352:1-15. [DOI: 10.1016/j.jbiotec.2022.05.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 04/30/2022] [Accepted: 05/09/2022] [Indexed: 12/11/2022]
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Kumari S, Sengupta S. Non-hydrogen processes for simultaneous desulfurization and denitrogenation of light petroleum fuels-an elaborative review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:61873-61907. [PMID: 34553278 DOI: 10.1007/s11356-021-15909-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
The removal of sulfur- and nitrogen-containing compounds present in petroleum fractions is necessary to meet the stringent environmental regulations and to prevent the environment and humanity from the threats they pose. Conventional hydro-desulfurization and hydro-denitrogenation processes have evolved significantly over the past decade but are limited due to severe operating conditions and inefficiency in removing nitrogen-containing compounds. On the contrary, unconventional non-hydrogen methods for refining of crude oils are beneficial in terms of mild operating conditions and are efficient for eradicating both sulfur- and nitrogen-containing compounds. Despite being efficient for both sulfur and nitrogen-containing compounds, these techniques suffer due to the hindrance posed by the competitive nature of nitrogen-containing compounds. Thus, it is recommended to develop techniques that can remove both the compounds simultaneously and efficiently. Techniques for simultaneous removal of those compounds can also be expected to reduce the number of unit operations required during refining and can be energy-efficient as well. This elaborative review summarizes the developments done in this field in the past two decades. To improve the understanding of the scientific community towards the feasibility of simultaneous desulfurization and denitrogenation processes, the crucial parameters for efficient desulfurization-denitrogenation processes are also discussed. This review can be expected to encourage the scientific community to search for more economical, energy-efficient, and commercializable pathways for desulfurization-denitrogenation of petroleum oil.
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Affiliation(s)
- Snehlata Kumari
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India
| | - Sonali Sengupta
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
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Techniques for Overcoming Sulfur Poisoning of Catalyst Employed in Hydrocarbon Reforming. CATALYSIS SURVEYS FROM ASIA 2021. [DOI: 10.1007/s10563-021-09340-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Duval E, Cravo-Laureau C, Poinel L, Duran R. Development of molecular driven screening for desulfurizing microorganisms targeting the dszB desulfinase gene. Res Microbiol 2021; 172:103872. [PMID: 34375709 DOI: 10.1016/j.resmic.2021.103872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/21/2021] [Accepted: 07/29/2021] [Indexed: 11/16/2022]
Abstract
COnsensus DEgenerate Hybrid Oligonucleotide Primers (CODEHOP) were developed for the detection of the dszB desulfinase gene (2'-hydroxybiphenyl-2-sulfinate desulfinase; EC 3.13.1.3) by polymerase chain reaction (PCR), which allow to reveal larger diversity than traditional primers. The new developed primers were used as molecular monitoring tool to drive a procedure for the isolation of desulfurizing microorganisms. The primers revealed a large dszB gene diversity in environmental samples, particularly in diesel-contaminated soil that served as inoculum for enrichment cultures. The isolation procedure using the dibenzothiophene sulfone (DBTO2) as sole sulfur source reduced drastically the dszB gene diversity. A dszB gene closely related to that carried by Gordonia species was selected. The desulfurization activity was confirmed by the production of desulfurized 2-hydroxybiphenyl (2-HBP). Metagenomic 16S rRNA gene sequencing showed that the Gordonia genus was represented at low abundance in the initial bacterial community. Such observation highlighted that the culture medium and conditions represent the bottleneck for isolating novel desulfurizing microorganisms. The new developed primers constitute useful tool for the development of appropriate cultural-dependent procedures, including medium and culture conditions, to access novel desulfurizing microorganisms useful for the petroleum industry.
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Affiliation(s)
- Emmanuel Duval
- Université de Pau et des Pays de l'Adour, E2S UPPA, IPREM UMR, CNRS 5254, Bat. IBEAS, Pau, France; Segula Technologies, 71 rue Henri Gautier, 44550, Montoir de Bretagne, France.
| | - Cristiana Cravo-Laureau
- Université de Pau et des Pays de l'Adour, E2S UPPA, IPREM UMR, CNRS 5254, Bat. IBEAS, Pau, France.
| | - Line Poinel
- Segula Technologies, 71 rue Henri Gautier, 44550, Montoir de Bretagne, France.
| | - Robert Duran
- Université de Pau et des Pays de l'Adour, E2S UPPA, IPREM UMR, CNRS 5254, Bat. IBEAS, Pau, France.
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Saadouli I, Mosbah A, Ferjani R, Stathopoulou P, Galiatsatos I, Asimakis E, Marasco R, Daffonchio D, Tsiamis G, Ouzari HI. The Impact of the Inoculation of Phosphate-Solubilizing Bacteria Pantoea agglomerans on Phosphorus Availability and Bacterial Community Dynamics of a Semi-Arid Soil. Microorganisms 2021; 9:1661. [PMID: 34442740 PMCID: PMC8400695 DOI: 10.3390/microorganisms9081661] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/02/2021] [Accepted: 07/04/2021] [Indexed: 11/29/2022] Open
Abstract
The bacterial genus Pantoea has been widely evaluated as promising bacteria to increase phosphorus (P) availability in soil. The aim of this study was to characterize the phosphate solubilizing (PS) activity of a Pantoea agglomerans strain and to evaluate the impact of its application in a semi-arid soil on phosphate availability and structure of the bacterial communities as a whole. An incubation experiment under close-to-natural soil environmental conditions was conducted for 15 days at 30 °C. High-throughput sequencing of the bacterial 16S rRNA gene was used to characterize and to compare the bacterial community structure of P. agglomerans-inoculated soil with non-inoculated control. Furthermore, a qPCR-based method was developed for detection and quantification of the functional genes related to the expression of mineral phosphate solubilization (MPS) phenotype in P. agglomerans. The results showed that in vitro solubilization of Ca3(PO4)2 by P. agglomerans strain was very efficient (980 mg/L), and it was associated with a drop in pH due to the secretion of gluconic acid; these changes were concomitant with the detection of gdh and pqqC genes. Moreover, P. agglomerans inoculum application significantly increased the content of available P in semi-arid soil by 69%. Metagenomic analyses showed that P. agglomerans treatment modified the overall edaphic bacterial community, significantly impacting its structure and composition. In particular, during P. agglomerans inoculation the relative abundance of bacteria belonging to Firmicutes (mainly Bacilli class) significantly increased, whereas the abundance of Actinobacteria together with Acidobacteria and Chloroflexi phyla decreased. Furthermore, genera known for their phosphate solubilizing activity, such as Aneurinibacillus, Lysinibacillus, Enterococcus, and Pontibacter, were exclusively detected in P. agglomerans-treated soil. Pearson's correlation analysis revealed that changes in soil bacterial community composition were closely affected by soil characteristics, such as pH and available P. This study explores the effect of the inoculation of P. agglomerans on the bacterial community structure of a semi-arid soil. The effectiveness in improving the phosphate availability and modification in soil bacterial community suggested that P. agglomerans represent a promising environmental-friendly biofertilizer in arid and semi-arid ecosystems.
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Affiliation(s)
- Ilhem Saadouli
- Laboratoire de Microorganismes et Biomolécules Actives (LR03ES03), Facultédes Sciences de Tunis, Université Tunis El Manar, 2092 Tunis, Tunisia; (I.S.); (R.F.)
| | - Amor Mosbah
- Higher Institute for Biotechnology (ISBST), LR Biotechnology and Bio-Geo Resources Valorization, University of Manouba, BVBGR-LR11ES31, Biotechpole Sidi Thabet, 2020 Ariana, Tunisia;
| | - Raoudha Ferjani
- Laboratoire de Microorganismes et Biomolécules Actives (LR03ES03), Facultédes Sciences de Tunis, Université Tunis El Manar, 2092 Tunis, Tunisia; (I.S.); (R.F.)
| | - Panagiota Stathopoulou
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece; (P.S.); (I.G.); (E.A.)
| | - Ioannis Galiatsatos
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece; (P.S.); (I.G.); (E.A.)
| | - Elias Asimakis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece; (P.S.); (I.G.); (E.A.)
| | - Ramona Marasco
- Red Sea Research Center (RSRC), Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (R.M.); (D.D.)
| | - Daniele Daffonchio
- Red Sea Research Center (RSRC), Biological and Environmental Sciences and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (R.M.); (D.D.)
| | - George Tsiamis
- Laboratory of Systems Microbiology and Applied Genomics, Department of Environmental Engineering, University of Patras, 2 Seferi St., 30100 Agrinio, Greece; (P.S.); (I.G.); (E.A.)
| | - Hadda-Imene Ouzari
- Laboratoire de Microorganismes et Biomolécules Actives (LR03ES03), Facultédes Sciences de Tunis, Université Tunis El Manar, 2092 Tunis, Tunisia; (I.S.); (R.F.)
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Jumina, Kurniawan YS, Purwono B, Siswanta D, Priastomo Y, Winarno A, Waluyo J. Science and Technology Progress on the Desulfurization Process of Crude Oil. B KOREAN CHEM SOC 2021. [DOI: 10.1002/bkcs.12342] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Jumina
- Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Gadjah Mada Sekip Utara Sekip Utara Yogyakarta 55281 Indonesia
| | - Yehezkiel Steven Kurniawan
- Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Gadjah Mada Sekip Utara Sekip Utara Yogyakarta 55281 Indonesia
- Ma Chung Research Center for Photosynthetic Pigments Universitas Ma Chung Villa Puncak Tidar N 01 Malang 65151 Indonesia
| | - Bambang Purwono
- Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Gadjah Mada Sekip Utara Sekip Utara Yogyakarta 55281 Indonesia
| | - Dwi Siswanta
- Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Gadjah Mada Sekip Utara Sekip Utara Yogyakarta 55281 Indonesia
| | - Yoga Priastomo
- Department of Chemistry, Faculty of Mathematics and Natural Sciences Universitas Gadjah Mada Sekip Utara Sekip Utara Yogyakarta 55281 Indonesia
| | - Agustinus Winarno
- Department of Mechanical Engineering, Vocational College Universitas Gadjah Mada Sekip Utara Yogyakarta 55281 Indonesia
| | - Joko Waluyo
- Department of Mechanical and Industrial Engineering, Faculty of Engineering Universitas Gadjah Mada Jl. Grafika No 2 UGM Campus Yogyakarta 55281 Indonesia
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Stylianou M, Vyrides I, Agapiou A. Oil biodesulfurization: A review of applied analytical techniques. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1171:122602. [PMID: 33744596 DOI: 10.1016/j.jchromb.2021.122602] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 02/09/2021] [Accepted: 02/12/2021] [Indexed: 12/26/2022]
Abstract
The wide use of fossil fuels and their associated environmental concerns, highlighted the importance of affordable and clean energy (goal 7), as adopted by the Sustainable Development Goals of the United Nations for 2030. For years now, the detection of sulfur components in liquid fuels is performed mainly for environmental and health purposes in compliance with the respective legislations. Towards this, the aerobic and anaerobic biodesulfurization (BDS) process, which entails the use of microorganisms to limit the sulfur concentration is followed. To ensure effective BDS, several traditional analytical methods are utilized, although they require bench-top, bulky, costly, and time-consuming instruments along with skilled personnel. The currently employed analytical methods are mostly chromatographic techniques (e.g. liquid and gas) coupled with various detectors. To start with, high-performance liquid chromatography with ultraviolet detector (HPLC-UV), as well as electrospray ionization-LC-mass spectrometry (ESI-LC-MS) were mostly reported. Additionally, many detectors were coupled to gas chromatography (CG) including atomic emission detector (GC-AED), flame ionization detector (GC-FID), flame photometric detector (GC-FPD), sulfur fluorescence detector (GC-SFD), mass selective detector (GC-MS), etc. The solid-phase microextraction (SPME) technique provides extra capabilities when added to the separation techniques. Towards the continuous interest in oil supercomplex synthesis, other atmospheric and surface desorption ionization techniques, as well as the multidimensional 2D chromatographic systems (GC × GC and LC × LC) were also investigated, due to their unsurpassed resolution power. The current review ends with final remarks per applied methodology and the necessity to respect and protect the human environment and life.
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Affiliation(s)
- Marinos Stylianou
- Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus
| | - Ioannis Vyrides
- Department of Chemical Engineering, Cyprus University of Technology, 57 Anexartisias Str., P.O. BOX 50329, 3603 Limassol, Cyprus
| | - Agapios Agapiou
- Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus.
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Liu Y, Zuo P, Wang F, Lv Y, Wang R, Jiao W. Extraction combined oxidation desulfurization of dibenzothiophene using polyoxometalate-supported magnetic chitosan microspheres. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.12.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Sharma R, Singh J, Verma N. A novel spectrophotometric method for simultaneous estimation of dibenzothiophene and 2-hydroxybiphenyl in their mixed spectrum and its application in screening of specific biodesulfurizing microbes. 3 Biotech 2020; 10:153. [PMID: 32181115 DOI: 10.1007/s13205-020-2138-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 02/14/2020] [Indexed: 10/24/2022] Open
Abstract
The desulfurization of fuel is currently enforced to meet environmental legislation and prevent pollution. The use of specific biodesulfurizing microbes with a unique 4S pathway allows the desulfurization without compromising the quality of fuel. These specific microbes can be screened by the detection of 2-hydroxybiphenol (2-HBP) in desulfurizing mixture of dibenzothiophene (DBT). At present, colorimetric Gibb's assay is the most commonly employed screening method which requires a specific reagent, i.e., 2,6-dichloroquninone-4-chloramide. In the present study, a novel and simple spectrophotometric method was developed for the detection of 2-HBP for screening purpose based on dual wavelength method. The developed method facilitates the simultaneous analysis of DBT desulfurization and 2-HBP production in a sample by merely measuring the absorbance differences at two specified wavelengths, i.e., ΔA (λ 320-λ 247) for DBT and ΔA (λ 286-λ 324) for 2-HBP. The developed method was used to screen 57 microbes and two specific desulfurizing microbes Bacillus flexus MS-5 and Bacillus cereus BR-31 were selected based on 2-HBP production. The outcomes of developed method were validated by HPLC analysis. The strains MS-5 and BR-31 were employed in biodesulfurization and resulted in 54.88 ± 1.12% and 55.72 ± 1.32% desulfurization of 1.0 mM DBT, respectively. The developed method for screening of specific desulfurizing microbes does not require any specific reagent or sophisticated instrument in spite of being quick and reliable. The microbes selected by developed method exhibited excellent potential for biodesulfurization of fuel.
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Evaluation and improvement of phosphate solubilization by an isolated bacterium Pantoea agglomerans ZB. World J Microbiol Biotechnol 2020; 36:27. [PMID: 31997003 DOI: 10.1007/s11274-019-2744-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Accepted: 10/12/2019] [Indexed: 12/17/2022]
Abstract
A phosphate solubilizing bacterium ZB was isolated from the rhizosphere soil of Araucaria, which falls into the species Pantoea agglomerans. Optimization for phosphate solubilization by strain ZB was performed. At optimum culture conditions, the isolate showed great ability of solubilizing different insoluble inorganic phosphate sources viz. Ca3(PO4)2 (TCP), Hydroxyapatite (HP), CaHPO4, AlPO4, FePO4 along with rock phosphates (RPs). Inoculation with planktonic cells was found to enhance dissolved phosphorous as compared to that achieved by symplasma inoculation. Besides inoculation with different status of cells, pre-incubation could also exert a great effect on phosphate solubilization ability of P. agglomerans. When isolate ZB was cultured with glucose as carbon sources, phosphorous was more efficiently dissolved from HP and RP without pre-incubation in comparison to that obtained with pre-cultivation. Pre-cultivation, however, was more suitable for P solubilization than no pre-cultivation when bacteria were grown with xylose. A positive correlation was detected between the production of organic acids and phosphate solubilization. P. agglomerans ZB possessed many plant growth promotion traits such as N2 fixation and production of indole 3-acetic acid, phytase, alkaline phosphatase. Pot experiment showed inoculation with single isolate ZB or biofertilizer prepared from semi-solid fermentation of isolate ZB with spent mushroom substrate (SMS) compost could enhance plant growth with respect to number of leaves, plant leave area, stem diameter, root length, root dry mass, shoot dry mass and biomass when compared to the abiotic control, revealing strain ZB could be a promising environmental-friendly biofertilizer to apply for agricultural field.
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Makoś P, Boczkaj G. Deep eutectic solvents based highly efficient extractive desulfurization of fuels – Eco-friendly approach. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111916] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Sikarwar P, Gosu V, Subbaramaiah V. An overview of conventional and alternative technologies for the production of ultra-low-sulfur fuels. REV CHEM ENG 2019. [DOI: 10.1515/revce-2017-0082] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Environmental concerns have given a great deal of attention for the production of ultra-low-sulfur fuels. The conventional hydrodesulfurization (HDS) process has high operating cost and also encounters difficulty in removing sulfur compound with steric hindrance. Consequently, various research efforts have been made to overcome the limitation of conventional HDS process and exploring the alternative technologies for deep desulfurization. The alternative processes being explored for the production of ultra-low-sulfur content fuel are adsorptive desulfurization (ADS), biodesulfurization (BDS), oxidative desulfurization (ODS), and extractive desulfurization (EDS). The present article provided the comprehensive information on the basic principle, reaction mechanism, workability, advantages, and disadvantages of conventional and alternative technologies. This review article aims to provide valuable insight into the recent advances made in conventional HDS process and alternative techniques. For deep desulfurization of liquid fuels, integration of conventional HDS with an alternative technique is also proposed.
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Biodesulfurization of diesel oil in oil–water two phase reaction system by Gordonia sp. SC-10. Biotechnol Lett 2019; 41:547-554. [DOI: 10.1007/s10529-019-02663-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 03/20/2019] [Indexed: 10/27/2022]
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Enzymatic Desulfurization of Crude Oil and Its Fractions: A Mini Review on the Recent Progresses and Challenges. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2019. [DOI: 10.1007/s13369-019-03800-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Muhammad Y, Rahman AU, Rashid HU, Sahibzada M, Subhan S, Tong Z. Hydrodesulfurization of dibenzothiophene using Pd-promoted Co–Mo/Al2O3and Ni–Mo/Al2O3catalysts coupled with ionic liquids at ambient operating conditions. RSC Adv 2019; 9:10371-10385. [PMID: 35520937 PMCID: PMC9062605 DOI: 10.1039/c9ra00095j] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Accepted: 03/20/2019] [Indexed: 11/21/2022] Open
Abstract
Sulfur compounds in fuel oils are a major source of atmospheric pollution. This study is focused on the hydrodesulfurization (HDS) of dibenzothiophene (DBT) via the coupled application of 0.5 wt% Pd-loaded Co–Mo/Al2O3 and Ni–Mo/Al2O3 catalysts with ionic liquids (ILs) at ambient temperature (120 °C) and pressure (1 MPa H2). The enhanced HDS activity of the solid catalysts coupled with [BMIM]BF4, [(CH3)4N]Cl, [EMIM]AlCl4, and [(n-C8H17)(C4H9)3P]Br was credited to the synergism between hydrogenation by the former and extractive desulfurization and better H2 transport by the latter, which was confirmed by DFT simulation. The Pd-loaded catalysts ranked highest by activity i.e. Pd–Ni–Mo/Al2O3 > Pd–Co–Mo/Al2O3 > Ni–Mo/Al2O3 > Co–Mo/Al2O3. With mild experimental conditions of 1 MPa H2 pressure and 120 °C temperature and an oil : IL ratio of 10 : 3.3, DBT conversion was enhanced from 21% (by blank Ni–Mo/Al2O3) to 70% by Pd–Ni–Mo/Al2O3 coupled with [(n-C8H17)(C4H9)3P]Br. The interaction of polarizable delocalized bonds (in DBT) and van der Waals forces influenced the higher solubility in ILs and hence led to higher DBT conversion. The IL was recycled four times with minimal loss of activity. Fresh and spent catalysts were characterized by FESEM, ICP-MS, EDX, XRD, XPS and BET surface area techniques. GC-MS analysis revealed biphenyl as the major HDS product. This study presents a considerable advance to the classical HDS processes in terms of mild operating conditions, cost-effectiveness, and simplified mechanization, and hence can be envisaged as an alternative approach for fuel oil processing. Synergistic application of ionic liquids with Pd loaded Co–Mo@Al2O3 and Ni–Mo@Al2O3 catalysts for efficient hydrodesulfurization of dibenzothiophene at ambient conditions.![]()
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Affiliation(s)
- Yaseen Muhammad
- School of Chemistry and Chemical Engineering
- Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology
- Guangxi University
- P. R. China
- Institute of Chemical Sciences
| | - Ata Ur Rahman
- Institute of Chemical Sciences
- University of Peshawar
- Peshawar
- Pakistan
| | - Haroon Ur Rashid
- School of Chemistry and Chemical Engineering
- Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology
- Guangxi University
- P. R. China
| | | | - Sidra Subhan
- School of Chemistry and Chemical Engineering
- Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology
- Guangxi University
- P. R. China
- Institute of Chemical Sciences
| | - Zhangfa Tong
- School of Chemistry and Chemical Engineering
- Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology
- Guangxi University
- P. R. China
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18
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Thermophilic biodesulfurization and its application in oil desulfurization. Appl Microbiol Biotechnol 2018; 102:9089-9103. [DOI: 10.1007/s00253-018-9342-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/19/2018] [Accepted: 08/20/2018] [Indexed: 12/21/2022]
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19
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Akhtar N, Akhtar K, Ghauri MA. Biodesulfurization of Thiophenic Compounds by a 2-Hydroxybiphenyl-Resistant Gordonia sp. HS126-4N Carrying dszABC Genes. Curr Microbiol 2017; 75:597-603. [PMID: 29264784 DOI: 10.1007/s00284-017-1422-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 12/15/2017] [Indexed: 12/23/2022]
Abstract
Microorganisms can metabolize or transform a range of known chemical compounds present in fossil fuels by naturally having highly specific metabolic activities. In this context, the microbial desulfurization of fuels is an attractive and alternative process to the conventional hydrodesulfurization (HDS) process, since the thiophenic sulfur containing compounds such as dibenzothiophene (DBT) and benzothiophene (BT) cannot be removed by HDS. A DBT desulfurizing mesophilic bacterium, identified on the basis of 16S rRNA gene sequence as Gordonia sp. HS126-4N (source: periphery soil of a coal heap) has been evaluated for its biodesulfurization traits and potential to desulfurize the thiophenic compounds. The HPLC and LC/MS analyses of the metabolites produced from DBT desulfurization and PCR-based nucleotide sequence confirmation of the key desulfurizing genes (dszA/dszB/dszC) proved that HS126-4N could convert DBT to 2-hydroxybiphenyl (2-HBP) via the 4S pathway. The isolate could convert 0.2 mM of DBT to 2-HBP within 48 h and was reasonably tolerant against the inhibitory effect of 2-HBP (retained 70% of growth at 0.5 mM 2-HBP). The isolated biocatalyst desulfurized/degraded 100% of 0.2 mM of 4-methyl DBT, 2,8-dimethyl DBT, BT and 3-methyl BT within 108 h. The capabilities to survive and desulfurize a broad range of thiophenic sulfur containing substrates as well as less inhibition by the 2-HBP suggest that HS126-4N could be a potential candidate for improved biodesulfurization/organic sulfur removal from fossil fuels.
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Affiliation(s)
- Nasrin Akhtar
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Jhang Road, P.O. Box 577, Faisalabad, Pakistan.
| | - Kalsoom Akhtar
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Jhang Road, P.O. Box 577, Faisalabad, Pakistan
| | - Muhammad A Ghauri
- Industrial Biotechnology Division, National Institute for Biotechnology and Genetic Engineering, Jhang Road, P.O. Box 577, Faisalabad, Pakistan
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20
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Martínez I, El-Said Mohamed M, Santos VE, García JL, García-Ochoa F, Díaz E. Metabolic and process engineering for biodesulfurization in Gram-negative bacteria. J Biotechnol 2017; 262:47-55. [PMID: 28947364 DOI: 10.1016/j.jbiotec.2017.09.004] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 09/08/2017] [Accepted: 09/09/2017] [Indexed: 11/19/2022]
Abstract
Microbial desulfurization or biodesulfurization (BDS) is an attractive low-cost and environmentally friendly complementary technology to the hydrotreating chemical process based on the potential of certain bacteria to specifically remove sulfur from S-heterocyclic compounds of crude fuels that are recalcitrant to the chemical treatments. The 4S or Dsz sulfur specific pathway for dibenzothiophene (DBT) and alkyl-substituted DBTs, widely used as model S-heterocyclic compounds, has been extensively studied at the physiological, biochemical and genetic levels mainly in Gram-positive bacteria. Nevertheless, several Gram-negative bacteria have been also used in BDS because they are endowed with some properties, e.g., broad metabolic versatility and easy genetic and genomic manipulation, that make them suitable chassis for systems metabolic engineering strategies. A high number of recombinant bacteria, many of which are Pseudomonas strains, have been constructed to overcome the major bottlenecks of the desulfurization process, i.e., expression of the dsz operon, activity of the Dsz enzymes, retro-inhibition of the Dsz pathway, availability of reducing power, uptake-secretion of substrate and intermediates, tolerance to organic solvents and metals, and other host-specific limitations. However, to attain a BDS process with industrial applicability, it is necessary to apply all the knowledge and advances achieved at the genetic and metabolic levels to the process engineering level, i.e., kinetic modelling, scale-up of biphasic systems, enhancing mass transfer rates, biocatalyst separation, etc. The production of high-added value products derived from the organosulfur material present in oil can be regarded also as an economically viable process that has barely begun to be explored.
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Affiliation(s)
- I Martínez
- Environmental Biology Department, Biological Research Center (CIB-CSIC), 28040 Madrid, Spain
| | - M El-Said Mohamed
- Research and Development Center, Saudi Aramco, Dhahran, Saudi Arabia
| | - V E Santos
- Chemical Engineering Department, Complutense University of Madrid, 28040 Madrid Spain
| | - J L García
- Environmental Biology Department, Biological Research Center (CIB-CSIC), 28040 Madrid, Spain; Institute for Integrative Systems Biology (I2SysBio) (University of Valencia-CSIC), 46980 Paterna Valencia, Spain
| | - F García-Ochoa
- Chemical Engineering Department, Complutense University of Madrid, 28040 Madrid Spain
| | - E Díaz
- Environmental Biology Department, Biological Research Center (CIB-CSIC), 28040 Madrid, Spain.
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21
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Carvajal P, Dinamarca MA, Baeza P, Camú E, Ojeda J. Removal of sulfur-containing organic molecules adsorbed on inorganic supports by Rhodococcus Rhodochrous spp. Biotechnol Lett 2016; 39:241-245. [PMID: 27766485 DOI: 10.1007/s10529-016-2240-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 10/12/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To remove dibenzothiophene (DBT) and 4,6-dimethyl-dibenzothiophene (4,6-DMDBT) adsorbed on alumina, silica and sepiolite through biodesulfurization (BDS) using Rhodococcus Rhodochrous spp., that selectively reduce sulfur molecules without generating of gaseous pollutants. RESULTS The adsorption of DBT and 4,6-DMDBT was affected by the properties of the supports, including particle size and the presence of surface acidic groups. The highest adsorption of both sulfur-containing organic molecules used particle sizes of 0.43-0.063 mm. The highest percentage removal was with sepiolite (80 % for DBT and 56 % for 4,6-DMDBT) and silica (71 % for DBT and 37 % for 4,6-DMDBT). This is attributed to the close interaction between these supports and the bacteria. CONCLUSIONS Biodesulfurization is effective for removing the sulfur-containing organic molecules adsorbed on inorganic materials and avoids the generation of gaseous pollutants.
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Affiliation(s)
- P Carvajal
- Laboratorio de Biotecnología Microbiana, Escuela de Nutrición, Facultad de Farmacia, Universidad de Valparaíso, Casilla 5001, Valparaíso, Chile
| | - M Alejandro Dinamarca
- Centro de MicroBioinnovación, Universidad de Valparaíso, Casilla 5001, Valparaíso, Chile
| | - P Baeza
- Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Casilla 4059, Valparaíso, Chile
| | - E Camú
- Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Casilla 4059, Valparaíso, Chile
| | - J Ojeda
- Centro de MicroBioinnovación, Universidad de Valparaíso, Casilla 5001, Valparaíso, Chile.
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22
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Tatangelo V, Mangili I, Caracino P, Anzano M, Najmi Z, Bestetti G, Collina E, Franzetti A, Lasagni M. Biological devulcanization of ground natural rubber by Gordonia desulfuricans DSM 44462T strain. Appl Microbiol Biotechnol 2016; 100:8931-42. [DOI: 10.1007/s00253-016-7691-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2016] [Revised: 06/13/2016] [Accepted: 06/15/2016] [Indexed: 10/21/2022]
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23
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Akhtar N, Ghauri MA, Akhtar K. Dibenzothiophene desulfurization capability and evolutionary divergence of newly isolated bacteria. Arch Microbiol 2016; 198:509-19. [DOI: 10.1007/s00203-016-1209-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2015] [Revised: 02/11/2016] [Accepted: 03/02/2016] [Indexed: 11/29/2022]
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24
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Xiao M, Sun SS, Zhang ZZ, Wang JM, Qiu LW, Sun HY, Song ZZ, Zhang BY, Gao DL, Zhang GQ, Wu WM. Analysis of bacterial diversity in two oil blocks from two low-permeability reservoirs with high salinities. Sci Rep 2016; 6:19600. [PMID: 26786765 PMCID: PMC4726302 DOI: 10.1038/srep19600] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 12/15/2015] [Indexed: 11/09/2022] Open
Abstract
The community diversities of two oil reservoirs with low permeability of 1.81 × 10−3 and 2.29 × 10−3 μm2 in Changqing, China, were investigated using a high throughput sequencing technique to analyze the influence of biostimulation with a nutrient activator on the bacterial communities. These two blocks differed significantly in salinity (average 17,500 vs 40,900 mg/L). A core simulation test was used to evaluate the effectiveness of indigenous microbial-enhanced oil recovery (MEOR). The results indicated that in the two high salinity oil reservoirs, one reservoir having relatively lower salinity level and a narrow salinity range had higher bacterial and phylogenetic diversity. The addition of the nutrient activator increased the diversity of the bacterial community structure and the diversity differences between the two blocks. The results of the core simulation test showed that the bacterial community in the reservoir with a salinity level of 17,500 mg/L did not show significant higher MEOR efficiency compared with the reservoir with 40,900 mg/L i.e. MEOR efficiency of 8.12% vs 6.56% (test p = 0.291 > 0.05). Therefore, salinity levels affected the bacterial diversities in the two low permeability oil blocks remarkably. But the influence of salinity for the MEOR recovery was slightly.
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Affiliation(s)
- Meng Xiao
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, P. R. China.,College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Shan-Shan Sun
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, P. R. China
| | - Zhong-Zhi Zhang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, P. R. China
| | - Jun-Ming Wang
- Dalian design branch, China Petroleum Engineering &Construction Corporation, Dalian 116011, P. R. China
| | - Long-Wei Qiu
- School of Geosciences, China University of Petroleum, East China, Qingdao, 266555, P. R. China
| | - Hua-Yang Sun
- College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Zhao-Zheng Song
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing, 102249, P. R. China
| | - Bei-Yu Zhang
- Dalian design branch, China Petroleum Engineering &Construction Corporation, Dalian 116011, P. R. China
| | - De-Li Gao
- College of Petroleum engineering, China University of Petroleum, Beijing, 102249, P. R. China
| | - Guang-Qing Zhang
- School of Mechanical, Materials &Mechatronic Engineering, University of Wollongong, Wollongong, NSW2522, Australia
| | - Wei-Min Wu
- Department of Civil and Environmental Engineering, William &Cloy Codiga Resource Recovery Research Center, Center for Sustainable Development &Global Competitiveness, Stanford University, Stanford, California, 94305-4020, USA
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25
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Kumar S, Chandra Srivastava V, Kumar A, Nanoti SM. Effect of gas oil composition on performance parameters of the extractive desulfurization process. RSC Adv 2016. [DOI: 10.1039/c5ra27757d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Extraction of sulfur compounds reveal that sulfur removal from gas oil strongly depends on the molecular structure of the sulfur compound and composition of the carrier phase.
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Affiliation(s)
- Sunil Kumar
- Indian Institute of Petroleum
- Dehradun 248005
- India
- Department of Chemical Engineering
- Indian Institute of Technology, Roorkee
| | | | - Ashutosh Kumar
- Indian Institute of Petroleum
- Dehradun 248005
- India
- Indian Institute of Technology
- Guwahati
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26
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Xu W, Li H, Ni X, Wang N, Yan Y, Li C. Synthesis and Characterization of a Magnetic Molecularly Imprinted Polymer by Suspension Polymerization for Selective Recognition of Dibenzothiophene from Gasoline Samples. ADSORPT SCI TECHNOL 2015. [DOI: 10.1260/0263-6174.33.9.819] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Affiliation(s)
- Wanzhen Xu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hui Li
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaoni Ni
- Zhenjiang Institute for Drug Control of Jiangsu Province, Zhenjiang 212003, China
| | - Ningwei Wang
- Zhenjiang Entry-Exit Inspection Quarantine Bureau, Zhenjiang 212008, PR China
| | - Yongsheng Yan
- School of Chemistry and Chemistry Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Chunxiang Li
- School of Chemistry and Chemistry Engineering, Jiangsu University, Zhenjiang 212013, China
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27
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Isolation and characterization of an interactive culture of two Paenibacillus species with moderately thermophilic desulfurization ability. Biotechnol Lett 2015. [DOI: 10.1007/s10529-015-1918-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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An Evaluation of Kinetic Models in the Biodesulfurization of Synthetic Oil by Rhodococcus erythropolis ATCC 4277. Appl Biochem Biotechnol 2015. [DOI: 10.1007/s12010-015-1764-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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29
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Elmi F, Etemadifar Z, Emtiazi G. A novel metabolite (1,3-benzenediol, 5-hexyl) production by Exophiala spinifera strain FM through dibenzothiophene desulfurization. World J Microbiol Biotechnol 2015; 31:813-21. [PMID: 25752234 DOI: 10.1007/s11274-015-1835-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Accepted: 02/28/2015] [Indexed: 11/29/2022]
Abstract
Sulfur dioxide which is released from petroleum oil combustion causes pollution over the atmosphere and the soil. Biodesulfurization can be used as a complementary method of hydrodesulfurization, the common method of petroleum desulfurization in refineries. Many studies have been carried out to develop biological desulfurization of dibenzothiophene (DBT) with bacterial biocatalysts. However, fungi are capable to metabolize a wide range of aromatic hydrocarbons through cytochrome P450 and their extracellular enzymes. The aim of the present work was isolation and identification of fungi biocatalysts capable for DBT utilization as sulfur source and production of novel metabolites. DBT consumption and the related produced metabolites were analyzed by HPLC and GC-MS respectively. One of the isolated fungi that could utilize DBT as sole sulfur source was identified by both traditional and molecular experiments and registered in NCBI as Exophiala spinifera FM strain (accession no. KC952672). This strain could desulfurize 99 % of DBT (0.3 mM) as sulfur source by co-metabolism reaction with other carbon sources through the same pathway as 4S and produced 2-hydroxy biphenyl (2-HBP) during 7 days of incubation at 30 °C and 180 rpm shaking. However, the isolate was able to transform 2-HBP to 1,3-benzenediol, 5-hexyl. While biphenyl compounds are toxic to leaving cells, biotransformation of them can reduce their toxicity and the fungi will be more tolerant to the final product. These data are the first report about the desulfurization of DBT comparable to 4S-pathway and production of innovative metabolite by E. spinifera FM strain.
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Affiliation(s)
- Fatemeh Elmi
- Department of Biology, Faculty of Science, University of Isfahan, Hezarjarib St, Isfahan, Iran,
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30
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Alves L, Paixão SM, Pacheco R, Ferreira AF, Silva CM. Biodesulphurization of fossil fuels: energy, emissions and cost analysis. RSC Adv 2015. [DOI: 10.1039/c4ra14216k] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
BDS and HDS as a combined technology towards ultra low sulphur fuels.
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Affiliation(s)
- L. Alves
- LNEG – Laboratório Nacional de Energia e Geologia, IP
- Unidade de Bioenergia
- 1649-038 Lisboa
- Portugal
| | - S. M. Paixão
- LNEG – Laboratório Nacional de Energia e Geologia, IP
- Unidade de Bioenergia
- 1649-038 Lisboa
- Portugal
| | - R. Pacheco
- IDMEC
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - A. F. Ferreira
- IDMEC
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - C. M. Silva
- IDMEC
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
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31
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Kinetic model for microbial growth and desulphurisation with Enterobacter sp. Biotechnol Lett 2014; 37:375-81. [DOI: 10.1007/s10529-014-1694-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 10/03/2014] [Indexed: 10/24/2022]
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32
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Boshagh F, Mokhtarani B, Mortaheb HR. Effect of electrokinetics on biodesulfurization of the model oil by Rhodococcus erythropolis PTCC1767 and Bacillus subtilis DSMZ 3256. JOURNAL OF HAZARDOUS MATERIALS 2014; 280:781-787. [PMID: 25244073 DOI: 10.1016/j.jhazmat.2014.09.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 08/30/2014] [Accepted: 09/02/2014] [Indexed: 06/03/2023]
Abstract
Biodesulfurization of the model oil using Rhodococcus erythropolis PTCC1767 (R. erythropolis) and Bacillus subtilis DSMZ 3256 (B. subtilis) strains assisted by applying electrokinetic was investigated as a novel method for desulfurization. The yield of biodesulfurization is low because it takes long time to be completed. Electrokinetic reduces the process time and accelerates degradation of the sulfur compounds. A mixture of normal hexadecane with 10mM dibenzotiophene (DBT) was employed as the model oil. The biodesulfurization experiments were initially performed. The results represented 34% and 62% DBT conversions after 1 and 6 days by R. erythropolis and the biodesulfurization yields were 11% and 36%, respectively. However, the DBT conversions for B. subtilis strain after 1 and 6 days were 31% and 55% and the biodesulfurization yields were 9% and 31%, respectively. The electrokinetic biodesulfurization experiments were studied at different current densities and the optimum current density was selected. According to the results, DBT conversion and biodesulfurization yield for R. erythropolis after 3 days were 76% and 39%, respectively, at the current density of 7.5 mA/cm(2). At the same conditions, the DBT conversion and biodesulfurization yield for B. subtilis were 71% and 37%, respectively. The experimental results indicate that the electrokinetic significantly reduces the biodesulfurization time. The combination of electrokinetic and biodesulfurization has the potential to obtain 'zero sulfur' products.
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Affiliation(s)
- Fatemeh Boshagh
- Chemistry and Chemical Engineering Research Center of Iran, P.O. Box 14335-186, Tehran, Iran
| | - Babak Mokhtarani
- Chemistry and Chemical Engineering Research Center of Iran, P.O. Box 14335-186, Tehran, Iran.
| | - Hamid Reza Mortaheb
- Chemistry and Chemical Engineering Research Center of Iran, P.O. Box 14335-186, Tehran, Iran
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33
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Liu L, Cao Y, Ma P, Qiu C, Xu W, Liu H, Huang W. Rational design and preparation of magnetic imprinted polymers for removal of indole by molecular simulation and improved atom transfer radical polymerization. RSC Adv 2014. [DOI: 10.1039/c3ra43875a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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34
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Alves L, Paixão SM. Fructophilic behaviour of Gordonia alkanivorans strain 1B during dibenzothiophene desulfurization process. N Biotechnol 2013; 31:73-9. [PMID: 24012483 DOI: 10.1016/j.nbt.2013.08.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 08/15/2013] [Accepted: 08/22/2013] [Indexed: 01/23/2023]
Abstract
Biodesulfurization (BDS) aims at the removal of recalcitrant sulfur from fossil fuels at mild operating conditions with the aid of microorganisms. These microorganisms can remove sulfur from dibenzothiphene (DBT), a model compound, or other polycyclic aromatic used as sulfur source, making BDS an easy and environmental friendly process. Gordonia alkanivorans strain 1B has been described as a desulfurizing bacterium, able to desulfurize DBT to 2-hydroxybiphenyl (2-HBP), the final product of the 4S pathway, using d-glucose as carbon source. However, both cell growth and desulfurization can be largely affected by the nutrient composition of the growth medium, due to cofactor requirements of many enzymes involved in the BDS biochemical pathway. In this study, the main goal was to investigate the influence of several sugars, as carbon source, on the growth and DBT desulfurization ability of G. alkanivorans strain 1B. The results of desulfurization tests showed that the lowest values for the growth rate (0.025 hour(-1)) and for the overall 2-HBP production rate (1.80 μm/hour) by the strain 1B were obtained in glucose grown cultures. When using sucrose, the growth rate increase exhibited by strain 1B led to a higher biomass productivity, which induced a slightly increase in the 2-HBP production rate (1.91 μm/hour), conversely in terms of 2-HBP specific production rate (q2-HBP) the value obtained was markedly lower (0.718 μmol/g/hour in sucrose versus 1.22 μmol/g/hour in glucose). When a mixture of glucose and fructose was used as carbon source, strain 1B reached a value of q2-HBP=1.90 μmol/g/hour, close to that in fructose (q2-HBP=2.12 μmol/g/hour). The highest values for both cell growth (μ=0.091 hour(-1)) and 2-HPB production (9.29μm/hour) were obtained when strain 1B was desulfurizing DBT in the presence of fructose as the only carbon source, indicating a fructophilic behaviour by this bacterium. This fact is in agreement with the highest value of biomass productivity by strain 1B be in fructose, which resulted in a higher amount cells fulfilling the DBT-desulfurization. The greater number of functional cells conducted to a more effectiveness BDS process by strain 1B, as they attained a q2-HBP about 74% higher than in glucose grown cultures. Moreover, this significant BDS enhancement can better be observed in terms of the overall 2-HBP production rate, which increased over 5-fold, from 1.80 μm/hour (in glucose) to 9.29 μm/hour (in fructose).
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Affiliation(s)
- Luís Alves
- LNEG - Instituto Nacional de Energia e Geologia, IP, Unidade de Bioenergia, Estrada do Paço do Lumiar, 22, 1649-038 Lisboa, Portugal.
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Borzenkova NV, Veselova IA, Shekhovtsova TN. Biochemical methods of crude hydrocarbon desulfurization. ACTA ACUST UNITED AC 2013. [DOI: 10.1134/s2079086413040026] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yang W, Liu L, Zhou Z, Qiu C, Ma P, Liu H, Xu W. Rational design and preparation for novel denitrogenation adsorbents by computational simulation and improved atom transfer radical polymerization. NEW J CHEM 2013. [DOI: 10.1039/c3nj00269a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Li W, Jiang X. Enhancement of bunker oil biodesulfurization by adding surfactant. World J Microbiol Biotechnol 2012; 29:103-8. [DOI: 10.1007/s11274-012-1162-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 08/24/2012] [Indexed: 12/01/2022]
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Bhatia S, Sharma DK. Thermophilic desulfurization of dibenzothiophene and different petroleum oils by Klebsiella sp. 13T. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2012; 19:3491-3497. [PMID: 22467237 DOI: 10.1007/s11356-012-0884-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Accepted: 03/18/2012] [Indexed: 05/31/2023]
Abstract
PURPOSE Biodesulfurization (BDS) has the potential to desulfurize dibenzothiophene (DBT) and its alkylated derivatives, the compounds that are otherwise refractory to hydrodesulfurization (HDS). Thermophilic microorganisms are more appropriate to be used for BDS applications following HDS. The aim of the present study was to isolate a thermophilic microorganism and to explore its commercial relevance for BDS process. METHODS The desulfurizing thermophilic strain was isolated and enriched from various soil and water samples using sulfur free medium (SFM) supplemented with DBT. Microbiological and genomic approach was used to characterize the strain. Desulfurization reactions were carried out using DBT and petroleum oils at 45°C followed by different analytical procedures. RESULTS We report the isolation of a thermophilic bacterium Klebsiella sp. 13T from contaminated soils collected from petroleum refinery. HPLC analysis revealed that Klebsiella sp. 13T could desulfurize DBT to 2-hydroxybiphenyl (2-HBP) at 45°C through 4S pathway. In addition, adapted cells of Klebsiella sp. 13T were found to remove 22-53% of sulfur from different petroleum oils with highest sulfur removal from light crude oil. CONCLUSION Klebsiella sp. 13T is a potential candidate for BDS because of its thermophilic nature and capability to desulfurize petroleum oils.
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Affiliation(s)
- Sumedha Bhatia
- Center for Energy Studies, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India.
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Calzada J, Alcon A, Santos V, Garcia-Ochoa F. Extended kinetic model for DBT desulfurization using Pseudomonas Putida CECT5279 in resting cells. Biochem Eng J 2012. [DOI: 10.1016/j.bej.2012.04.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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TANG H, LI Q, WANG Z, YAN D, XING J. Simultaneous Removal of Thiophene and Dibenzothiophene by Immobilized Pseudomonas delafieldii R-8 cells. Chin J Chem Eng 2012. [DOI: 10.1016/s1004-9541(12)60362-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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