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Soleimani T, Sordes F, Techer I, Junqua G, Hayek M, Salgues M, Souche JC. Comparative environmental and economic life cycle assessment of phytoremediation of dredged sediment using Arundo Donax, integrated with biomass to bioenergy valorization chain. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166160. [PMID: 37574070 DOI: 10.1016/j.scitotenv.2023.166160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/16/2023] [Accepted: 08/07/2023] [Indexed: 08/15/2023]
Abstract
The economic and environmental life cycle assessment (LCA) was integrated into a laboratory-based experiment to evaluate the feasibility and sustainability of phytoremediation of chloride-rich marine dredged sediment, using perennial reed Arundo Donax along with biomass valorization. As a prerequisite for life cycle assessments, a baseline mathematical model was developed to estimate the yields of biomass to bioenergy valorization chain including the estimation of biomass yield per m3 sediment, bioenergy yields from valorization schemes, expected green electricity yield, and the phytoremediation time frame. This mathematical model was applied to develop a parametric life cycle inventory for two scenarios of sediment phytoremediation separately or integrated with biomass valorization, for LCA and further sensitivity and uncertainty analysis. Comparative LCA unveiled that the cost and environmental impacts of annual phytoremediation of 1m3 sediment alone or integrated with biomass valorization are much inferior to the corresponding sediment landfill as the inevitable alternative approach for sediment management. With the chloride bioaccumulation capacity of 9940 mg per kg dry biomass of A. donax, the phytoremediation of sediment with chloride concentration higher than 1650 mg/kg may not be achievable in a realistic time frame. Due to the importance of considering sediment depth and the effectiveness of the plant rooting system in estimating the performance of phytoremediation and the time frame, the volume of sediment (1m3) is a more appropriate functional unit than the surface area (ha) for LCA studies of phytoremediation. In addition, considering the volume of sediment as a functional unit retains comparability to other valorization scenarios such as sediment incorporation in cementitious matrices and management scenarios such as landfill, which are generally expressed on a volume or mass basis. Integrating biomass-derived bioenergy production into phytoremediation could offer local and global benefits in terms of economy and environment mainly due to carbon sequestration and avoiding fossil-based fuels.
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Affiliation(s)
- Tara Soleimani
- HSM, Univ Montpellier, IMT Mines Ales, CNRS, IRD, Ales, France.
| | - Flo Sordes
- UPR CHROME, Univ. Nîmes, rue du Dr Georges Salan, 30021 Nîmes, France
| | - Isabelle Techer
- UPR CHROME, Univ. Nîmes, rue du Dr Georges Salan, 30021 Nîmes, France
| | | | - Mahmoud Hayek
- LMGC, Univ Montpellier, IMT Mines Ales, CNRS, Ales, France
| | - Marie Salgues
- LMGC, Univ Montpellier, IMT Mines Ales, CNRS, Ales, France
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Vitrone F, Brinker S, Ramos D, Ferrando F, Salvadó J, Mai C. Approaching Self-Bonded Medium Density Fiberboards Made by Mixing Steam Exploded Arundo donax L. and Wood Fibers: A Comparison with pMDI-Bonded Fiberboards on the Primary Properties of the Boards. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4343. [PMID: 37374527 DOI: 10.3390/ma16124343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 05/30/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023]
Abstract
This study presents an unexplored method to produce formaldehyde-free MDF. Steam exploded Arundo donax L. (STEX-AD) and untreated wood fibers (WF) were mixed at different mixing rates (0/100, 50/50, and 100/0, respectively) and two series of boards were manufactured, with 4 wt% of pMDI, based on dry fibers, and self-bonded. The mechanical and physical performance of the boards was analyzed as a function of the adhesive content and the density. The mechanical performance and dimensional stability were determined by following European standards. The material formulation and the density of the boards had a significant effect on both mechanical and physical properties. The boards made solely of STEX-AD were comparable to those made with pMDI, while the panels made of WF without adhesive were those that performed the worst. The STEX-AD showed the ability to reduce the TS for both pMDI-bonded and self-bonded boards, although leading to a high WA and a higher short-term absorption for the latter. The results presented show the feasibility of using STEX-AD in the manufacturing of self-bonded MDF and the improvement of dimensional stability. Nonetheless, further studies are needed especially to address the enhancement of the internal bond (IB).
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Affiliation(s)
- Federica Vitrone
- Department of Chemical Engineering, Rovira I Virgili University, Avinguda dels Països Catalans, 26, 43007 Tarragona, Spain
| | - Sascha Brinker
- Department of Wood Biology and Wood Products, Georg-August-University of Göttingen, Büsgenweg 4, 37077 Gottingen, Germany
| | - Diego Ramos
- Department of Mechanical Engineering, Rovira I Virgili University, Avinguda dels Països Catalans, 26, 43007 Tarragona, Spain
| | - Francesc Ferrando
- Department of Mechanical Engineering, Rovira I Virgili University, Avinguda dels Països Catalans, 26, 43007 Tarragona, Spain
| | - Joan Salvadó
- Department of Chemical Engineering, Rovira I Virgili University, Avinguda dels Països Catalans, 26, 43007 Tarragona, Spain
| | - Carsten Mai
- Department of Wood Biology and Wood Products, Georg-August-University of Göttingen, Büsgenweg 4, 37077 Gottingen, Germany
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Lino G, Espigul P, Nogués S, Serrat X. Arundo donax L. growth potential under different abiotic stress. Heliyon 2023; 9:e15521. [PMID: 37131434 PMCID: PMC10149249 DOI: 10.1016/j.heliyon.2023.e15521] [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: 11/26/2022] [Revised: 03/28/2023] [Accepted: 04/12/2023] [Indexed: 05/04/2023] Open
Abstract
Arundo donax L. (giant reed) is a fast-growing, vegetatively multiplying, and rhizomatous perennial grass. It is considered a leading crop for biomass production on marginal and degraded lands under different adverse conditions such as drought, salinity, waterlogging, high and low temperatures, and heavy metal stress. The giant reed tolerance to those stresses is reviewed based on its effects on photosynthetic capacity and biomass production. Possible explanations for the giant reed tolerance against each particular stress were elucidated, as well as changes shown by the plant at a biochemical, physiological and morphological level, that may directly affect its biomass production. The use of giant reed in other areas of interest such as bioconstruction, phytoremediation, and bioremediation, is also reviewed. Arundo donax can be key for circular economy and global warming mitigation.
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Affiliation(s)
- Gladys Lino
- Universitat de Barcelona, Department de Biologia Evolutiva, Ecologia i Ciències Ambientals, Secció de Fisiologia Vegetal., Av. Diagonal 643, 08028, Barcelona, Spain
- Universidad Científica del Sur, Facultad de Ciencias Ambientales, Panamericana Sur Km. 19, 15067, Lima, Peru
| | - Paula Espigul
- Universitat de Barcelona, Department de Biologia Evolutiva, Ecologia i Ciències Ambientals, Secció de Fisiologia Vegetal., Av. Diagonal 643, 08028, Barcelona, Spain
| | - Salvador Nogués
- Universitat de Barcelona, Department de Biologia Evolutiva, Ecologia i Ciències Ambientals, Secció de Fisiologia Vegetal., Av. Diagonal 643, 08028, Barcelona, Spain
| | - Xavier Serrat
- Universitat de Barcelona, Department de Biologia Evolutiva, Ecologia i Ciències Ambientals, Secció de Fisiologia Vegetal., Av. Diagonal 643, 08028, Barcelona, Spain
- Corresponding author.
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Statistical optimization of bioethanol production from giant reed hydrolysate by Candida tropicalis using Taguchi design. J Biotechnol 2022; 360:71-78. [PMID: 36272574 DOI: 10.1016/j.jbiotec.2022.10.007] [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: 06/12/2022] [Revised: 10/11/2022] [Accepted: 10/16/2022] [Indexed: 12/12/2022]
Abstract
The economic production of bioethanol as a sustainable liquid fuel is particularly needed and attractive. Giant reed as a low-cost and renewable biomass can be utilized as a sustainable feedstock for bioethanol development. The current research focuses on optimizing the fermentation parameters to increase ethanol concentration while lowering production costs. In this work, the giant reed was hydrolyzed thermochemically using HCl; cellulose and hemicellulose fractions were maximally converted at optimized hydrolysis conditions (5% HCl, 30 min, and 120 °C), resulting in a high sugar concentration (≈ 55 g/L), which were fermented by Candida tropicalis Y-26 for bioethanol production (≈ 15 g/L). Taguchi design was used to optimize the fermentation parameters (temperatures, pH, incubation period, and nitrogen sources). Under optimum fermentation conditions (25 °C; 24 h.; pH 5.5; and ammonium nitrate as a nitrogen source), the ethanol concentration at flask level accomplished ≈ 21 g/L, while its scale-up to bioreactor level contributed ≈ 25 g/L (equivalent to 250 kg ethanol/ton biomass) with ≈ 67% increase than the fermentation under unoptimized conditions. Overall, these findings proved that optimizing the fermentation parameters by Taguchi design and scaling up at a bioreactor could improve bioethanol production from giant reed biomass.
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Valorization of Biomasses from Energy Crops for the Discovery of Novel Thermophilic Glycoside Hydrolases through Metagenomic Analysis. Int J Mol Sci 2022; 23:ijms231810505. [PMID: 36142415 PMCID: PMC9505709 DOI: 10.3390/ijms231810505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
The increasing interest for environmentally friendly technologies is driving the transition from fossil-based economy to bioeconomy. A key enabler for circular bioeconomy is to valorize renewable biomasses as feedstock to extract high value-added chemicals. Within this transition the discovery and the use of robust biocatalysts to replace toxic chemical catalysts play a significant role as technology drivers. To meet both the demands, we performed microbial enrichments on two energy crops, used as low-cost feed for extremophilic consortia. A culture-dependent approach coupled to metagenomic analysis led to the discovery of more than 300 glycoside hydrolases and to characterize a new α-glucosidase from an unknown hyperthermophilic archaeon. Aglu1 demonstrated to be the most active archaeal GH31 on 4Np-α-Glc and it showed unexpected specificity vs. kojibiose, revealing to be a promising candidate for biotechnological applications such as the liquefaction/saccharification of starch.
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Study on the Sugar-Producing Effect of High-Temperature Anaerobic Straw Biosaccharification Strain. WATER 2022. [DOI: 10.3390/w14142186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The utilization of straw waste cellulose will be beneficial by economic, social, and environmental means. The present study sought to screen the high-efficiency cellulose sugar-producing strain from corn straw. The 16S high-throughput sequencing method and the combination of morphological, physiological, and biochemical characteristics of the strain confirmed the strain to be Clostridium thermocellum, which was named Clostridium thermocellum FC811. Moreover, the single factor experiment was conducted to investigate the effect of environmental factors on saccharification efficiency. The optimal saccharification conditions of cellulose saccharification of FC811 strain selected through response surface analysis were as follows: temperature of 58.9 °C, pH of 7.21, culture time of 6.60 d, substrate concentration of 5.01 g/L, and yeast powder concentration of 2.15 g/L. The soluble sugar yield was 3.11 g/L, and the conversion rate of reducing sugar was 62.2%. This study will provide a reference for resource and energy utilization of straw materials, simultaneous fermentation of sugar and hydrogen production, and their large-scale production and application.
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Low Indirect Land Use Change (ILUC) Energy Crops to Bioenergy and Biofuels—A Review. ENERGIES 2022. [DOI: 10.3390/en15124348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Energy crops are dedicated cultures directed for biofuels, electricity, and heat production. Due to their tolerance to contaminated lands, they can alleviate and remediate land pollution by the disposal of toxic elements and polymetallic agents. Moreover, these crops are suitable to be exploited in marginal soils (e.g., saline), and, therefore, the risk of land-use conflicts due to competition for food, feed, and fuel is reduced, contributing positively to economic growth, and bringing additional revenue to landowners. Therefore, further study and investment in R&D is required to link energy crops to the implementation of biorefineries. The main objective of this study is to present a review of the potential of selected energy crops for bioenergy and biofuels production, when cultivated in marginal/degraded/contaminated (MDC) soils (not competing with agriculture), contributing to avoiding Indirect Land Use Change (ILUC) burdens. The selected energy crops are Cynara cardunculus, Arundo donax, Cannabis sativa, Helianthus tuberosus, Linum usitatissimum, Miscanthus × giganteus, Sorghum bicolor, Panicum virgatum, Acacia dealbata, Pinus pinaster, Paulownia tomentosa, Populus alba, Populus nigra, Salix viminalis, and microalgae cultures. This article is useful for researchers or entrepreneurs who want to know what kind of crops can produce which biofuels in MDC soils.
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Gong C, Cao L, Fang D, Zhang J, Kumar Awasthi M, Xue D. Genetic manipulation strategies for ethanol production from bioconversion of lignocellulose waste. BIORESOURCE TECHNOLOGY 2022; 352:127105. [PMID: 35378286 DOI: 10.1016/j.biortech.2022.127105] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/28/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Lignocellulose waste was served as promising raw material for bioethanol production. Bioethanol was considered to be a potential alternative energy to take the place of fossil fuels. Lignocellulosic biomass synthesized by plants is regenerative, sufficient and cheap source for bioethanol production. The biotransformation of lignocellulose could exhibit dual significance-reduction of pollution and obtaining of energy. Some strategies are being developing and increasing the utilization of lignocellulose waste to produce ethanol. New technology of bioethanol production from natural lignocellulosic biomass is required. In this paper, the progress in genetic manipulation strategies including gene editing and synthetic genomics for the transformation from lignocellulose to ethanol was reviewed. At last, the application prospect of bioethanol was introduced.
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Affiliation(s)
- Chunjie Gong
- Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, PR China
| | - Liping Cao
- Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, PR China
| | - Donglai Fang
- Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, PR China
| | - Jiaqi Zhang
- Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, PR China
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Dongsheng Xue
- Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan 430068, PR China.
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Yang J, Jiang D, Shui X, Lei T, Zhang H, Zhang Z, Zhang X, Zhu S, Zhang Q. Effect of 5-HMF and furfural additives on bio-hydrogen production by photo-fermentation from giant reed. BIORESOURCE TECHNOLOGY 2022; 347:126743. [PMID: 35066127 DOI: 10.1016/j.biortech.2022.126743] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/16/2022] [Accepted: 01/17/2022] [Indexed: 06/14/2023]
Abstract
Substances harmful to photo-fermentative biological hydrogen production (PFHP) were produced during cellulose hydrolysis. This study aimed to evaluate the effect of by-products (5-hydroxymethylfurfural (5-HMF) and furfural) released from lignocellulose during enzymatic hydrolysis process on PFHP. The exist of 5-HMF inhibited the hydrogen production. However, 0.2 g/L furfural improved the hydrogen production by 19 % compared to no addition (511.6 mL) with a maximum concentration of nitrogenase (109.96 IU/L) at 96 h. Furthermore, a 18.7 % enhancement of hydrogen production was also observed when 0.2 g/L 5-HMF and furfural were mixed at a ratio of 1:1, while decrement of hydrogen production at higher addition was observed as well. Through the scatter matrix analysis, it was concluded that 5-HMF and furfural additives had significant effects on PFHP. This study gave an insight into effect of lignocellulosic by-products on biohydrogen production.
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Affiliation(s)
- Jiabin Yang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Danping Jiang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Xuenan Shui
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Tingzhou Lei
- Institute of Urban and Rural Mining, Changzhou University, Changzhou 213164, China
| | - Huan Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Zhiping Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Xueting Zhang
- Institute of Agriculture engineering, Huanghe S & T University, Zhengzhou 450006, China
| | - Shengnan Zhu
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China
| | - Quanguo Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy (Ministry of Agriculture and Rural Affairs of China), Henan Agricultural University, Zhengzhou 450002, China.
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10
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Energy plants as biofuel source and as accumulators of heavy metals. HEMIJSKA INDUSTRIJA 2022. [DOI: 10.2298/hemind220402017n] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Fossil fuel depletion and soil and water pollution gave impetus to the
development of a novel perspective of sustainable development. In addition
to the use of plant biomass for ethanol production, plants can be used to
reduce the concentration of heavy metals in soil and water. Due to tolerance
to high levels of metals, many plant species, crops, non-crops, medicinal,
and pharmaceutical energy plants are well-known metal hyperaccumulators.
This paper focuses on studies investigating the potential of Miscanthus sp.,
Beta vulgaris L., Saccharum sp., Ricinus communis L. Prosopis sp. and Arundo
donax L. in heavy metal removal and biofuel production. Phytoremediation
employing these plants showed great potential for bioaccumulation of Co, Cr,
Cu, Al, Pb, Ni, Fe, Cd, Zn, Hg, Se, etc. This review presents the potential
of lignocellulose plants to remove pollutants being a valuable substrate for
biofuel production. Also, pretreat-ments, dealing with toxic biomass, and
biofuel production are discussed.
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Alkaline Fractionation and Subsequent Production of Nano-Structured Silica and Cellulose Nano-Fibrils for the Comprehensive Utilization of Rice Husk. SUSTAINABILITY 2021. [DOI: 10.3390/su13041951] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The parameters of the alkaline fractionation process were investigated and optimized using a statistical analysis method to simultaneously remove hemicellulose and ash from rice husk (RH) concomitantly. After the alkaline fractionation process, the residual solid contained high cellulose, and the recovery yield of hemicellulose was enhanced in the fractionated liquid hydrolyzate. The hemicellulosic sugar recovery yield (71.6%), de-ashing yield (>99%), and lignin removal (>80%) were obtained at the reaction conditions of 150 °C of temperature, 40 min of reaction time, and 6% (w/v) of NaOH concentration. Subsequently, nano-structured silica was synthesized using black liquor obtained as a by-product of this fractionation process. For the production of nano-structured silica, it was observed that the pH of a black liquor and the heat treatment temperature significantly influenced the textural properties of silica product. In addition, the two-stage bleaching of solid residue followed by colloid milling for the production of high value-added CNF with was attempted. As a result, in addition to 119 g of fermentable sugar, 143 g of high-purity (>98%) silica with a surface area of 328 m2g−1 and 273.1 g of high-functional CNF with cellulose content of 80.1% were simultaneously obtained from 1000 g of RH.
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12
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The “Zero Miles Product” Concept Applied to Biofuel Production: A Case Study. ENERGIES 2021. [DOI: 10.3390/en14030565] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
To make biofuel production feasible from an economic point of view, several studies have investigated the main associated bottlenecks of the whole production process through approaches such as the “cradle to grave” approach or the Life Cycle Assessment (LCA) analysis, being the main constrains the feedstock collection and transport. Whilst several feedstocks are interesting because of their high sugar content, very few of them are available all year around and moreover do not require high transportation’ costs. This work aims to investigate if the “zero miles” concept could bring advantages to biofuel production by decreasing all the associated transport costs on a locally established production platform. In particular, a specific case study applied to the Technical University of Denmark (DTU) campus is used as example to investigate the advantages and feasibility of using the spent coffee grounds generated at the main cafeteria for the production of bioethanol on site, which can be subsequently used to (partially) cover the campus’ energy demands.
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Characterization of raw and treated Arundo donax L. cellulosic fibers and their effect on the curing kinetics of bisphenol A-based benzoxazine. Int J Biol Macromol 2020; 164:2931-2943. [DOI: 10.1016/j.ijbiomac.2020.08.179] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/19/2020] [Accepted: 08/22/2020] [Indexed: 11/21/2022]
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14
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Fakhrian S, Baseri H. Production of a magnetic biosorbent for removing pharmaceutical impurities. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0523-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Multi-Step Exploitation of Raw Arundo donax L. for the Selective Synthesis of Second-Generation Sugars by Chemical and Biological Route. Catalysts 2020. [DOI: 10.3390/catal10010079] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Lignocellulosic biomass represents one of the most important feedstocks for future biorefineries, being a precursor of valuable bio-products, obtainable through both chemical and biological conversion routes. Lignocellulosic biomass has a complex matrix, which requires the careful development of multi-step approaches for its complete exploitation to value-added compounds. Based on this perspective, the present work focuses on the valorization of hemicellulose and cellulose fractionsof giant reed (Arundo donax L.) to give second-generation sugars, minimizing the formation of reaction by-products. The conversion of hemicellulose to xylose was undertaken in the presence of the heterogeneous acid catalyst Amberlyst-70 under microwave irradiation. The effect of the main reaction parameters, such as temperature, reaction time, catalyst, and biomass loadings on sugars yield was studied, developing a high gravity approach. Under the optimised reaction conditions (17 wt% Arundo donax L. loading, 160 °C, Amberlyst-70/Arundo donax L. weight ratio 0.2 wt/wt), the xylose yield was 96.3 mol%. In the second step, the cellulose-rich solid residue was exploited through the chemical or enzymatic route, obtaining glucose yields of 32.5 and 56.2 mol%, respectively. This work proves the efficiency of this innovative combination of chemical and biological catalytic approaches, for the selective conversion of hemicellulose and cellulose fractions of Arundo donax L. to versatile platform products.
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Di Fidio N, Antonetti C, Raspolli Galletti AM. Microwave-assisted cascade exploitation of giant reed (Arundo donax L.) to xylose and levulinic acid catalysed by ferric chloride. BIORESOURCE TECHNOLOGY 2019; 293:122050. [PMID: 31454732 DOI: 10.1016/j.biortech.2019.122050] [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: 06/29/2019] [Revised: 08/17/2019] [Accepted: 08/19/2019] [Indexed: 06/10/2023]
Abstract
The present work aimed to investigate and optimize the selective exploitation of hemicellulose and cellulose fractions of the energy crop Arundo donax L. (giant reed), to give xylose and levulinic acid, respectively. In order to improve the sustainability of this process, a microwave-assisted hydrolysis in the presence of FeCl3 was implemented using as substrate the raw biomass without any pretreatment process. The effects of the hydrolysis reaction conditions, such as temperature, reaction time, salt amount and biomass loading, on giant reed exploitation were investigated. In the first step, under the optimized conditions (150 °C, 2.5 min and 1.6 wt% FeCl3), the xylose yield reached 98.2 mol%. In the second step, under the best conditions (190 °C, 30 min and 2.4 wt% FeCl3), the levulinic acid yield was 57.6 mol%. This novel cascade approach ensured an extensive exploitation of giant reed polysaccharides working in the respect of Green Chemistry principles.
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Affiliation(s)
- Nicola Di Fidio
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy
| | - Claudia Antonetti
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via G. Moruzzi 13, 56124 Pisa, Italy
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Cimini D, Zaccariello L, D’Ambrosio S, Lama L, Ruoppolo G, Pepe O, Faraco V, Schiraldi C. Improved production of succinic acid from Basfia succiniciproducens growing on A. donax and process evaluation through material flow analysis. BIOTECHNOLOGY FOR BIOFUELS 2019; 12:22. [PMID: 30740143 PMCID: PMC6360672 DOI: 10.1186/s13068-019-1362-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 01/25/2019] [Indexed: 05/30/2023]
Abstract
BACKGROUND Due to its wide range of applications in the food, pharmaceutical and chemical fields, microbial synthesis of succinic acid is receiving growing attention, generating already relevant industrial results, as well as fueling constant research for improvements. In order to develop a sustainable process, a special focus is now set on the exploitation and conversion of lignocellulosic biomasses into platform chemicals. RESULTS In the present work we used Basfia succiniciproducens BPP7 in separated hydrolysis and fermentation experiments with Arundo donax as starting material. Fed-batch strategies showed a maximal production of about 37 g/L of succinic acid after 43 h of growth and a productivity of 0.9 g/L h on the pilot scale. Global mass balance calculations demonstrated a hydrolysis and fermentation efficiency of about 75%. Moreover, the application of a material flow analysis showed the obtainment of 88.5 and 52 % of succinic acid, per kg of virgin biomass and on the total generated output, respectively. CONCLUSIONS The use of fed-batch strategies for the growth of B. succiniciproducens on A. donax improved the titer and productivity of succinic acid on pre-pilot scale. Process evaluation through material flow analysis showed successful results and predicted a yield of succinic acid of about 30% in a fed-batch process that uses A. donax as only carbon source also in the feed. Preliminary considerations on the possibility to achieve an energetic valorization of the residual solid coming from the fermentation process were also carried out.
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Affiliation(s)
- Donatella Cimini
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Via de Crecchio 7, 80138 Naples, Italy
| | - Lucio Zaccariello
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania L. Vanvitelli, Via Vivaldi 43, 81100 Caserta, Italy
| | - Sergio D’Ambrosio
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Via de Crecchio 7, 80138 Naples, Italy
| | - Licia Lama
- Institute of Biomolecular Chemistry (ICB), National Research Council, Via Campi Flegrei, 34, 80078 Pozzuoli, Naples Italy
| | - Giovanna Ruoppolo
- Istituto di Ricerche sulla Combustione (IRC), National Research Council, Piazzale Tecchio 80, 80125 Naples, Italy
| | - Olimpia Pepe
- Department of Agricultural Sciences, Division of Microbiology, University of Naples Federico II, Via Università 100, 80055 Portici, Naples Italy
| | - Vincenza Faraco
- Department of Chemical Sciences, University of Naples Federico II, Naples, Italy
| | - Chiara Schiraldi
- Department of Experimental Medicine, University of Campania L. Vanvitelli, Via de Crecchio 7, 80138 Naples, Italy
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Ramos D, El Mansouri NE, Ferrando F, Salvadó J. All-lignocellulosic Fiberboard from Steam Exploded Arundo Donax L. Molecules 2018; 23:E2088. [PMID: 30134508 PMCID: PMC6225333 DOI: 10.3390/molecules23092088] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 08/10/2018] [Accepted: 08/15/2018] [Indexed: 11/16/2022] Open
Abstract
This paper explores the possibility of producing all-lignocellulosic fiberboards from Arundo donax L. as a source of lignocellulosic fibers with no synthetic binders. This raw material was steam exploded with a thermomechanical aqueous vapor process in a batch reactor. The Arundo donax raw material and its obtained pulp were characterized in terms of chemical composition and the results were compared to other lignocellulosic materials. The chemical composition of steam exploded Arundo fibers showed high cellulose and a moderate lignin content suggesting it was a good raw material for fiberboard production. The all-lignocellulosic fiberboards were produced on laboratory scale; using the steam exploded Arundo donax by means of a wet process. The effects of pressing pressure on physical and mechanical properties were evaluated and the conditions that optimize the responses were found. The analyzed properties were density (d); water absorption (WA); thickness swelling (TS); modulus of elasticity (MOE); modulus of rupture (MOR); and internal bond strength (IB). The tested levels of the pressing pressure range from 0.35 to 15 MPa. The optimum IB; MOE; MOR; WA and TS were 1.28 MPa, 7439 MPa, 40.4 MPa, 17.6% and 13.3%, respectively. The obtained fiberboards were of very good quality and more than satisfy the requirements of the relevant standard specifications.
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Affiliation(s)
- Diego Ramos
- Department of Mechanical Engineering, Rovira i Virgili University, Avinguda dels Països Catalans 26, 43007 Tarragona, Spain.
| | - Nour-Eddine El Mansouri
- Department of Chemistry, Faculté Polydisciplinaire, Sultan Moulay Slimane University, Mghila BP.592, Béni-Mellal 23000, Morocco.
- Laboratory of Biological Engineering, Faculté des Sciences et Techniques, Sultan Moulay Slimane University, Mghila BP.523, Béni-Mellal 23000, Morocco.
| | - Francesc Ferrando
- Department of Mechanical Engineering, Rovira i Virgili University, Avinguda dels Països Catalans 26, 43007 Tarragona, Spain.
| | - Joan Salvadó
- Department of Chemical Engineering, Rovira i Virgili University, Avinguda dels Països Catalans 26, 43007 Tarragona, Spain.
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Lyu H, Zhou J, Lyu C, Meng F, Geng Z, Zhang M. Exploration and optimization of mixed acid synergistic catalysis pretreatment for maximum C5 sugars. BIORESOURCE TECHNOLOGY 2018; 260:53-60. [PMID: 29614451 DOI: 10.1016/j.biortech.2018.03.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 03/06/2018] [Accepted: 03/09/2018] [Indexed: 06/08/2023]
Abstract
The liquid hot water (LHW) pretreatment could be strengthened by acetic and lactic acids produced from the process. The synergistic effect of the mixed acid catalyst of lactic acid and acetic acid was investigated for the purpose of maximization of the overall C5 sugars yield. Individual acids (acetic and lactic acid) and mixed acid were used to strengthen the LHW pretreatment at different conditions. The results showed that the suitable conditions of mixed acid synergistic catalysis was at 180 °C for 60 min and 3 wt% mixed acid where the ratio of 40% (i.e. 0.40 in mass fraction of lactic acid in mixed acid). Response surface methodology (RSM) was applied to further optimize this process. The highest yield of C5 sugars of 93.83% according to theoretical predicted model, was close to the experiment value of 92.53% at 177 °C for 67 min and with the ratio of mixed acid of 40%.
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Affiliation(s)
- Huisheng Lyu
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Jinyi Zhou
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Chunliu Lyu
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Fanmei Meng
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Zhongfeng Geng
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
| | - Minhua Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, R&D Center for Petrochemical Technology, Tianjin University, Tianjin 300072, China; Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China.
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Comparison and Optimization of Saccharification Conditions of Alkaline Pre-Treated Triticale Straw for Acid and Enzymatic Hydrolysis Followed by Ethanol Fermentation. ENERGIES 2018. [DOI: 10.3390/en11030639] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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21
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Krishania M, Kumar V, Sangwan RS. Integrated approach for extraction of xylose, cellulose, lignin and silica from rice straw. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.biteb.2018.01.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Lamb CDC, Silva BMZD, de Souza D, Fornasier F, Riça LB, Schneider RDCDS. Bioethanol production from rice hull and evaluation of the final solid residue. CHEM ENG COMMUN 2018. [DOI: 10.1080/00986445.2017.1422495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Christiano de C. Lamb
- Environmental Technology Postgraduation Program, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
| | | | - Diego de Souza
- Environmental Technology Postgraduation Program, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
| | - Franccesca Fornasier
- Department of Chemistry and Physics, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
| | - Larissa Brixner Riça
- Department of Chemistry and Physics, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
| | - Rosana de Cassia de Souza Schneider
- Environmental Technology Postgraduation Program, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
- Department of Chemistry and Physics, University of Santa Cruz do Sul, Santa Cruz do Sul, RS, Brazil
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23
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Chemical pretreatment of Arundo donax L. for second-generation ethanol production. ELECTRON J BIOTECHN 2018. [DOI: 10.1016/j.ejbt.2017.10.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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24
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Lyu H, Lv C, Zhang M, Liu J, Meng F, Geng ZF. Kinetic studies of the strengthening effect on liquid hot water pretreatments by organic acids. BIORESOURCE TECHNOLOGY 2017; 235:193-201. [PMID: 28365347 DOI: 10.1016/j.biortech.2017.03.115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 03/18/2017] [Accepted: 03/20/2017] [Indexed: 06/07/2023]
Abstract
The liquid hot water (LHW) pretreatments would be accelerated by the organic acids produced from the process. In the study, the organic acids included not only acetic acid but also lactic acid during LHW hydrolysis of reeds, at 180-220°C and for 15-135min. The lactic acid was presumably produced from xylose degradation in the pretreatment process. The different organic acids, such as acetic acid, lactic acid and acetic-lactic acids, were used to strengthen the LHW pretreatments for increasing xylose production. Moreover, the work presented kinetic models of xylose and hemicellulose at different conditions, considering the generation of lactic acid. The experimental and kinetic results both indicated that acetic-lactic acids had synergistic catalytic effect on the reaction, which could not only inhibit the degradation of xylose, but also promote the hydrolysis of hemicellulose. Besides, the highest concentration of xylose of 7.323g/L was obtained at 200°C, for 45min and with 1wt% acetic-lactic acids.
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Affiliation(s)
- Huisheng Lyu
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R&D Center for Petrochemical Technology, Tianjin 300072, China
| | - Chunliu Lv
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R&D Center for Petrochemical Technology, Tianjin 300072, China
| | - Minhua Zhang
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R&D Center for Petrochemical Technology, Tianjin 300072, China.
| | - Jiatao Liu
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R&D Center for Petrochemical Technology, Tianjin 300072, China
| | - Fanmei Meng
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R&D Center for Petrochemical Technology, Tianjin 300072, China
| | - Zhong Feng Geng
- Key Laboratory for Green Chemical Technology of Ministry of Education, Tianjin University R&D Center for Petrochemical Technology, Tianjin 300072, China
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25
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Loaces I, Schein S, Noya F. Ethanol production by Escherichia coli from Arundo donax biomass under SSF, SHF or CBP process configurations and in situ production of a multifunctional glucanase and xylanase. BIORESOURCE TECHNOLOGY 2017; 224:307-313. [PMID: 27815044 DOI: 10.1016/j.biortech.2016.10.075] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 10/20/2016] [Accepted: 10/21/2016] [Indexed: 06/06/2023]
Abstract
Diluted acid or liquid hot water (LHW) pretreated Arundo donax biomass was converted into ethanol under separated hydrolysis and fermentation (SHF) or simultaneous saccharification and fermentation (SSF) using Escherichia coli as the fermentative organism. Up to 0.26gL-1h-1 and 25.0gL-1 of ethanol were obtained with diluted acid pretreated biomass under SSF compared to 0.17gL-1h-1 and 24gL-1 under SHF. LHW pretreated biomass elicited 25% lower yields on average. Saccharification was carried out with Cellic CTec2 cocktail. Alternatively, under a consolidated bioprocess (CBP) where the ethanologenic bacteria was complemented with a novel multifunctional glucanase and xylanase, ethanol concentration was 7.6gL-1 and 7.2gL-1 after 96h for dilute acid or LHW pretreated biomass, respectively, without any prior saccharification step. According to these results, a bacterial fermentative host combined with in situ enzyme expression can improve ethanol production from A. donax biomass.
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Affiliation(s)
- Inés Loaces
- Departamento de Bioquímica y Genómica Microbianas, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay.
| | - Sima Schein
- Departamento de Bioquímica y Genómica Microbianas, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
| | - Francisco Noya
- Departamento de Bioquímica y Genómica Microbianas, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay
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26
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Lwin AK, Bertolini E, Pè ME, Zuccolo A. Genomic skimming for identification of medium/highly abundant transposable elements in Arundo donax and Arundo plinii. Mol Genet Genomics 2016; 292:157-171. [PMID: 27778102 DOI: 10.1007/s00438-016-1263-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 10/17/2016] [Indexed: 11/29/2022]
Abstract
Transposable elements (TEs) are the most abundant genetic material for almost all eukaryotic genomes. Their effects on the host genomes range from an extensive size variation to the regulation of gene expression, altering gene function and creating new genes. Because of TEs pivotal contribute to the host genome structure and regulation, their identification and characterization provide a wealth of useful data for gaining an in-depth understanding of host genome functioning. The giant reed (Arundo donax) is a perennial rhizomatous C3 grass, octadecaploid, with an estimated nuclear genome size of 2744 Mbp. It is a promising feedstock for second-generation biofuels and biomethane production. To identify and characterize the most repetitive TEs in the genomes of A. donax and its ancestral A. plinii species, we carried out low-coverage whole genome shotgun sequencing for both species. Using a de novo repeat identification approach, 33,041 and 28,237 non-redundant repetitive sequences were identified and characterized in A. donax and A. plinii genomes, representing 37.55 and 31.68% of each genome, respectively. Comparative phylogenetic analyses, including the major TE classes identified in A. donax and A. plinii, together with rice and maize TE paralogs, were carried out to understand the evolutionary relationship of the most abundant TE classes. Highly conserved copies of RIRE1-like Ty1-Copia elements were discovered in two Arundo spp. in which they represented nearly 3% of each genomic sequence. We identified and characterized the medium/highly repetitive TEs in two unexplored polyploid genomes, thus generating useful information for the study of the genomic structure, composition, and functioning of these two non-model species. We provided a valuable resource that could be exploited in any effort aimed at sequencing and assembling these two genomes.
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Affiliation(s)
- Aung Kyaw Lwin
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà, 33, 56127, Pisa, Italy.,Sugarcane Research and Seed Farm, Pyinmana, Nay Pyi Taw, Myanmar
| | - Edoardo Bertolini
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà, 33, 56127, Pisa, Italy
| | - Mario Enrico Pè
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà, 33, 56127, Pisa, Italy
| | - Andrea Zuccolo
- Institute of Life Sciences, Scuola Superiore Sant'Anna, Piazza Martiri della Libertà, 33, 56127, Pisa, Italy.
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27
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Jiang D, Ge X, Zhang Q, Li Y. Comparison of liquid hot water and alkaline pretreatments of giant reed for improved enzymatic digestibility and biogas energy production. BIORESOURCE TECHNOLOGY 2016; 216:60-8. [PMID: 27233098 DOI: 10.1016/j.biortech.2016.05.052] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Revised: 05/12/2016] [Accepted: 05/14/2016] [Indexed: 05/21/2023]
Abstract
Liquid hot water (LHW) and alkaline pretreatments of giant reed biomass were compared in terms of digestibility, methane production, and cost-benefit efficiency for electricity generation via anaerobic digestion with a combined heat and power system. Compared to LHW pretreatment, alkaline pretreatment retained more of the dry matter in giant reed biomass solids due to less severe conditions. Under their optimal conditions, LHW pretreatment (190°C, 15min) and alkaline pretreatment (20g/L of NaOH, 24h) improved glucose yield from giant reed by more than 2-fold, while only the alkaline pretreatment significantly (p<0.05) increased cumulative methane yield (by 63%) over that of untreated biomass (217L/kgVS). LHW pretreatment obtained negative net electrical energy production due to high energy input. Alkaline pretreatment achieved 27% higher net electrical energy production than that of non-pretreatment (3859kJ/kg initial total solids), but alkaline liquor reuse is needed for improved net benefit.
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Affiliation(s)
- Danping Jiang
- Department of Food, Agricultural and Biological Engineering, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave., Wooster, OH 44691-4096, United States; Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Agricultural Ministry, Collaborative Innovation Center of Biomass Energy, Henan Agricultural University, Zhengzhou 450002, China
| | - Xumeng Ge
- Department of Food, Agricultural and Biological Engineering, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave., Wooster, OH 44691-4096, United States.
| | - Quanguo Zhang
- Key Laboratory of New Materials and Facilities for Rural Renewable Energy of Agricultural Ministry, Collaborative Innovation Center of Biomass Energy, Henan Agricultural University, Zhengzhou 450002, China
| | - Yebo Li
- Department of Food, Agricultural and Biological Engineering, The Ohio State University/Ohio Agricultural Research and Development Center, 1680 Madison Ave., Wooster, OH 44691-4096, United States
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28
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Potential of Arundo donax L. stems as renewable precursors for activated carbons and utilization for wastewater treatments: Review. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.03.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Popp J, Harangi-Rákos M, Gabnai Z, Balogh P, Antal G, Bai A. Biofuels and Their Co-Products as Livestock Feed: Global Economic and Environmental Implications. Molecules 2016; 21:285. [PMID: 26938514 PMCID: PMC6273624 DOI: 10.3390/molecules21030285] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/03/2016] [Accepted: 02/24/2016] [Indexed: 11/16/2022] Open
Abstract
This review studies biofuel expansion in terms of competition between conventional and advanced biofuels based on bioenergy potential. Production of advanced biofuels is generally more expensive than current biofuels because products are not yet cost competitive. What is overlooked in the discussion about biofuel is the contribution the industry makes to the global animal feed supply and land use for cultivation of feedstocks. The global ethanol industry produces 44 million metric tonnes of high-quality feed, however, the co-products of biodiesel production have a moderate impact on the feed market contributing to just 8-9 million tonnes of protein meal output a year. By economically displacing traditional feed ingredients co-products from biofuel production are an important and valuable component of the biofuels sector and the global feed market. The return of co-products to the feed market has agricultural land use (and GHG emissions) implications as well. The use of co-products generated from grains and oilseeds can reduce net land use by 11% to 40%. The proportion of global cropland used for biofuels is currently some 2% (30-35 million hectares). By adding co-products substituted for grains and oilseeds the land required for cultivation of feedstocks declines to 1.5% of the global crop area.
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Affiliation(s)
- József Popp
- Institute of Sectoral Economics and Methodology, Faculty of Economics and Business, University of Debrecen, Debrecen 4032, Hungary.
| | - Mónika Harangi-Rákos
- Institute of Sectoral Economics and Methodology, Faculty of Economics and Business, University of Debrecen, Debrecen 4032, Hungary.
| | - Zoltán Gabnai
- Institute of Business Economics, Faculty of Economics and Business, University of Debrecen, Debrecen 4032, Hungary.
| | - Péter Balogh
- Institute of Sectoral Economics and Methodology, Faculty of Economics and Business, University of Debrecen, Debrecen 4032, Hungary.
| | - Gabriella Antal
- Institute of Sectoral Economics and Methodology, Faculty of Economics and Business, University of Debrecen, Debrecen 4032, Hungary.
| | - Attila Bai
- Institute of Business Economics, Faculty of Economics and Business, University of Debrecen, Debrecen 4032, Hungary.
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Antonetti C, Bonari E, Licursi D, Nassi O Di Nasso N, Raspolli Galletti AM. Hydrothermal Conversion of Giant Reed to Furfural and Levulinic Acid: Optimization of the Process under Microwave Irradiation and Investigation of Distinctive Agronomic Parameters. Molecules 2015; 20:21232-53. [PMID: 26633324 PMCID: PMC6332085 DOI: 10.3390/molecules201219760] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 11/16/2015] [Accepted: 11/23/2015] [Indexed: 11/16/2022] Open
Abstract
The hydrothermal conversion of giant reed (Arundo donax L.) to furfural (FA) and levulinic acid (LA) was investigated in the presence of dilute hydrochloric acid. FA and LA yields were improved by univariate optimization of the main reaction parameters: concentration of the acid catalyst, solid/liquid ratio of the reaction mixture, hydrolysis temperature, and reaction time. The catalytic performances were investigated adopting the efficient microwave (MW) irradiation, allowing significant energy and time savings. The best FA and LA yields were further confirmed using a traditionally heated autoclave reactor, giving very high results, when compared with the literature. Hydrolysis temperature and time were the main reaction variables to be carefully optimized: FA formation needed milder reaction conditions, while LA more severe ones. The effect of the crop management (e.g., harvest time) on FA/LA production was discussed, revealing that harvest time was not a discriminating parameter for the further optimization of both FA and LA production, due to the very high productivity of the giant reed throughout the year. The promising results demonstrate that giant reed represents a very interesting candidate for a very high contemporary production of FA and LA of up to about 70% and 90% of the theoretical yields, respectively.
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Affiliation(s)
- Claudia Antonetti
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa 56124, Italy.
| | - Enrico Bonari
- Land Lab, Institute of Life Sciences, Scuola Superiore Sant'Anna, P.za Martiri della Libertà 33, Pisa 56127, Italy.
| | - Domenico Licursi
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa 56124, Italy.
| | - Nicoletta Nassi O Di Nasso
- Land Lab, Institute of Life Sciences, Scuola Superiore Sant'Anna, P.za Martiri della Libertà 33, Pisa 56127, Italy.
| | - Anna Maria Raspolli Galletti
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Giuseppe Moruzzi 13, Pisa 56124, Italy.
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