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Chemical and Structural Changes of Ozonated Empty Fruit Bunch (EFB) in a Ribbon-Mixer Reactor. BULLETIN OF CHEMICAL REACTION ENGINEERING & CATALYSIS 2021. [DOI: 10.9767/bcrec.16.2.10506.383-395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Agricultural wastes especially empty fruit bunch (EFB) are abundantly available to be utilized as a feedstock for biochemical synthesis or biofuel production. The components of the waste include lignin, hemicellulose and cellulose. Cellulose, the polymer of glucose, is the active component for producing bio-based chemicals. However, it is difficult to isolate cellulose since lignin, the most outer layer in the waste is recalcitrant. Therefore, the agricultural wastes need to be pre-treated prior to downstream processing. The aim of this study was to investigate the effect of ozone pretreatment on lignin degradation and total reducing sugar (TRS) yield. EFB was pre-treated using ozone gas in a ribbon-mixer reactor. The chemical and structural changes of ozonated EFB were analysed. The highest delignification obtained were 95.7 wt.% and TRS yield was enhanced to 84.9% at a moisture content of 40 wt.% with 60 g/m3 ozone concentration within one hour of reaction time. Both NMR and FTIR spectra conferred major peaks inferring higher lignin degradation could be achieved using ozonolysis. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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Cieciura-Włoch W, Borowski S, Domański J. Dark fermentative hydrogen production from hydrolyzed sugar beet pulp improved by iron addition. BIORESOURCE TECHNOLOGY 2020; 314:123713. [PMID: 32629374 DOI: 10.1016/j.biortech.2020.123713] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/16/2020] [Accepted: 06/17/2020] [Indexed: 06/11/2023]
Abstract
This study evaluated the impact of three different iron compounds (Fe2O3, FeSO4, FeCl3) on hydrogen production via mesophilic dark fermentation (DF) of hydrolyzed sugar beet pulp (SBP). In batch tests, the maximum hydrogen yield of over 200 dm3H2/kgVS was achieved with the addition of 0.1 gFe2O3/dm3, which was twice greater than the control. In semi-continuous experiments, the highest hydrogen production of 52.11 dm3H2/kgVS combined with 19.4 dm3CH4/kgVS methane yield was obtained at a dose of 1 gFe2O3/dm3. Acetic, lactic and caproic acids were the main metabolic products of DF. Microbiological studies showed some balance between hydrogen producing microorganisms from the order Clostridiales and lactic acid producers (LAB) affiliated with the orders Lactobacillales and Coriobacteriales. Moreover, the presence of methanogens affiliated to the genera Methanobrevibacter and Methanosphaera was also documented. An interesting finding was the appearance of rare bacteria from the genus Caproiciproducens, which was responsible for increased caproic acid production.
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Affiliation(s)
- Weronika Cieciura-Włoch
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Science, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland.
| | - Sebastian Borowski
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Science, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
| | - Jarosław Domański
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Science, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
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Domański J, Marchut-Mikołajczyk O, Cieciura-Włoch W, Patelski P, Dziekońska-Kubczak U, Januszewicz B, Zhang B, Dziugan P. Production of Methane, Hydrogen and Ethanol from Secale cereale L. Straw Pretreated with Sulfuric Acid. Molecules 2020; 25:molecules25041013. [PMID: 32102411 PMCID: PMC7070859 DOI: 10.3390/molecules25041013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 02/16/2020] [Accepted: 02/18/2020] [Indexed: 01/15/2023] Open
Abstract
The study describes sulfuric acid pretreatment of straw from Secale cereale L. (rye straw) to evaluate the effect of acid concentration and treatment time on the efficiency of biofuel production. The highest ethanol yield occurred after the enzyme treatment at a dose of 15 filter paper unit (FPU) per gram of rye straw (subjected to chemical hydrolysis with 2% sulfuric acid (SA) at 121 °C for 1 h) during 120 h. Anaerobic digestion of rye straw treated with 10% SA at 121 °C during 1 h allowed to obtain 347.42 L methane/kg volatile solids (VS). Most hydrogen was released during dark fermentation of rye straw after pretreatment of 2% SA, 121 °C, 1 h and 1% SA, 121 °C, 2 h—131.99 and 134.71 L hydrogen/kg VS, respectively. If the rye straw produced in the European Union were processed into methane, hydrogen, ethanol, the annual electricity production in 2018 could reach 9.87 TWh (terawatt-hours), 1.16 TWh, and 0.60 TWh, respectively.
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Affiliation(s)
- Jarosław Domański
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland; (W.C.-W.); (P.D.)
- Correspondence: ; Tel.: +48-42-631-34-84
| | - Olga Marchut-Mikołajczyk
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland;
| | - Weronika Cieciura-Włoch
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland; (W.C.-W.); (P.D.)
| | - Piotr Patelski
- Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland; (P.P.); (U.D.-K.)
| | - Urszula Dziekońska-Kubczak
- Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland; (P.P.); (U.D.-K.)
| | - Bartłomiej Januszewicz
- Institute of Material Science and Engineering, Faculty of Mechanical Engineering, Lodz University of Technology, 90-924 Lodz, Poland;
| | - Bolin Zhang
- College of Biological Science and Biotechnology, Beijing Forestry University, Beijing 100083, China;
| | - Piotr Dziugan
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, 90-924 Lodz, Poland; (W.C.-W.); (P.D.)
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Insight into Pretreatment Methods of Lignocellulosic Biomass to Increase Biogas Yield: Current State, Challenges, and Opportunities. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9183721] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Lignocellulosic biomass is recalcitrant due to its heterogeneous structure, which is one of the major limitations for its use as a feedstock for methane production. Although different pretreatment methods are being used, intermediaries formed are known to show adverse effect on microorganisms involved in methane formation. This review, apart from highlighting the efficiency and limitations of the different pretreatment methods from engineering, chemical, and biochemical point of views, will discuss the strategies to increase the carbon recovery in the form of methane by way of amending pretreatments to lower inhibitory effects on microbial groups and by optimizing process conditions.
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Ai P, Zhang X, Dinamarca C, Elsayed M, Yu L, Xi J, Mei Z. Different effects of ozone and aqueous ammonia in a combined pretreatment method on rice straw and dairy manure fiber for enhancing biomethane production. BIORESOURCE TECHNOLOGY 2019; 282:275-284. [PMID: 30875595 DOI: 10.1016/j.biortech.2019.03.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/04/2019] [Accepted: 03/05/2019] [Indexed: 06/09/2023]
Abstract
Low digestibility of lignocellulosic feedstock is the most important limitation for biogas production. The synergistic effects of ozone and aqueous ammonia (OSAA) on different types of lignocelluloses including rice straw and dairy manure fiber were investigated. OSAA significantly increased biogas production of rice straw by 114.2%-172.8% when compared with using ozonation alone, while increased by 6.2%-8.8% with manure fiber. OSAA pretreatment increased biogas production of manure fiber by 55.3%-103.6% when compared with soaking aqueous ammonia (SAA) alone, while by 28.8%-39.9% with rice straw. The specific effects of pretreatment time on anaerobic digestion of manure fiber differed noticeably from those on rice straw. Ozonation time had a major function for pretreatment of manure fiber via the OSAA process, but SAA pretreatment time was more important than that for rice straw.
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Affiliation(s)
- Ping Ai
- College of Engineering, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Xiuzhi Zhang
- College of Engineering, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Carlos Dinamarca
- University College of Southeast Norway, Kjølnes Ring 56, Porsgrunn 3918, Norway
| | - Mahdy Elsayed
- College of Engineering, Huazhong Agricultural University, Wuhan 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan 430070, China
| | - Liang Yu
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA
| | - Jiang Xi
- Key Laboratory of Development and Application of Rural Renewable Energy, Ministry of Agriculture, Chengdu 610041, China
| | - Zili Mei
- Key Laboratory of Development and Application of Rural Renewable Energy, Ministry of Agriculture, Chengdu 610041, China.
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Two-Stage Pretreatment to Improve Saccharification of Oat Straw and Jerusalem Artichoke Biomass. ENERGIES 2019. [DOI: 10.3390/en12091715] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Pretreatment is a necessary step when lignocellulosic biomass is to be converted to simple sugars; however single-stage pretreatment is often insufficient to guarantee full availability of polymeric sugars from raw material to hydrolyzing enzymes. In this work, the two-stage pretreatment with use of acid (H2SO4, HNO3) and alkali (NaOH) was applied in order to increase the susceptibility of Jerusalem artichoke stalks (JAS) and oat straw (OS) biomass on the enzymatic attack. The effect of the concentration of reagents (2% and 5% w/v) and the order of acid and alkali sequence on the composition of remaining solids and the efficiency of enzymatic hydrolysis was evaluated. It was found that after combined pretreatment process, due to the removal of hemicellulose and lignin, the content of cellulose in pretreated biomass increased to a large extent, reaching almost 90% d.m. and 95% d.m., in the case of JAS and OS, respectively. The enzymatic hydrolysis of solids remaining after pretreatment resulted in the formation of up to 45 g/L of glucose, for both JAS and OS. The highest glucose yield was achieved after pretreatment with 5% nitric acid followed by NaOH, and 90.6% and 97.6% of efficiency were obtained, respectively for JAS and OS.
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Marchut-Mikołajczyk O, Drożdżyński P, Januszewicz B, Domański J, Wrześniewska-Tosik K. Degradation of ozonized tire rubber by aniline - Degrading Candida methanosorbosa BP6 strain. JOURNAL OF HAZARDOUS MATERIALS 2019; 367:8-14. [PMID: 30583113 DOI: 10.1016/j.jhazmat.2018.12.045] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 05/26/2023]
Abstract
Aniline-degrading yeast strain - Candida methanosorbosa BP-6 was tested for its ability to degrade ground tire rubber, treated and non-treated with ozone. The protein content, respiratory activity, critical oxygen concentration (COC) and emulsifying activity of the yeast strain were monitored during 21 day degradation process. The effects of biodegradation were evaluated using aldehyde detection, Scanning Electrone Microscope (SEM) and Fourier-transform infrared spectroscopy (FTIR) analysis. Pre-treatment of ground tire rubber with ozone resulted in lower microbial growth. However, metabolic condition of the C. methanosorbosa BP-6 yeast strain was higher in sample with ozonized tire rubber. Furthermore, the COC values in the last days of the process were about 30% lower regarding non-ozonized polymer. Also, the ozonization of tire rubber resulted in higher biosurfactant production of the yeast strain. The roughness and visible gaps in rubber matrix (SEM analysis) confirmed the ability of Candida methanosorbosa BP-6 yeast strain for tire rubber biodegradation.
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Affiliation(s)
- Olga Marchut-Mikołajczyk
- Faculty of Biotechnology and Food Sciences, Institute of Technical Biochemistry, Lodz University of Technology, Lodz, Poland.
| | - Piotr Drożdżyński
- Faculty of Biotechnology and Food Sciences, Institute of Technical Biochemistry, Lodz University of Technology, Lodz, Poland
| | - Bartłomiej Januszewicz
- Faculty of Mechanical Engineering, Institute of Material Science and Engineering, Lodz University of Technology, Lodz, Poland
| | | | - Krystyna Wrześniewska-Tosik
- Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Lodz, Poland
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