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Pilot-scale acetone-butanol-ethanol fermentation from corn stover

Green Carbon 2024年第1期2卷 81-93页

作者： Changsheng Su Di Cai Honggang Zhang Yilu Wu Yongjie Jiang Yicheng Liu Changwei Zhang Chunling Li Peiyong Qin Tianwei Tan National Energy R&D center for biorefinery Beijing University of Chemical TechnologyBeijing 100029PR China College of Life Science and Technology Beijing University of Chemical TechnologyBeijing 100029PR China SDIC Advanced Biomass Fuel(Hailun)Co. LTDHeilongjiang 152300PR China

Biobutanol is an advanced biofuel that can be produced from excess lignocellulose via acetone-butanol-ethanol(ABE)*** significant technological progress has been made in this field,attempts at largescale lignocellulosic ABE production remain *** this study,1m^(3)scale ABE fermentation was investigated using high inhibitor tolerance Clostridium acetobutylicum ABE-P1201 and steam-exploded corn stover hydrolysate(SECSH).Before expanding the fermentation scale,the detoxification process for SECSH was simplified by process *** revealed that appropriate pH management during the fed-batch cultivation could largely decrease the inhibition of the toxic components in undetoxified SECSH to the solventogenesis phase of the ABE-P1201 strains,avoiding“acid crash”.Therefore,after naturalizing the pH by Ca(OH)_(2),the undetoxified SECSH,without removal of the solid components,reached 17.68±1.30 g/L of ABE production with 0.34±0.01 g/g of yield in 1 L scale *** on this strategy,the fermentation scale gradually expanded from laboratory-scale apparatus to pilot-scale ***,17.05±1.20 g/L of ABE titer and 0.32±0.01 g/g of ABE yield were realized in 1m3 bioreactor,corresponding to approximately 145 kg of ABE production from 1 t of dry corn *** pilot-scale ABE fermentation demonstrated excellent stability during repeated *** study provided a simplified ABE fermentation strategy and verified the feasibility of the pilot process,providing tremendous significance and a solid foundation for the future industrialization of second-generation ABE plants.

关键词： Corn stover ABE fermentation Pilot scale Steam explosion PH control

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The Streptococcus agalactiae Ribose Binding Protein B (RbsB) Mediates Quorum Sensing Signal Uptake via Interaction with Autoinducer-2 Signals

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Journal of Ocean University of China 2021年第5期20卷 1285-1295页

作者： FAN Bolin PAN Lixia WANG Zhongliang WANGKAHART Eakapol HUANG Yuchong YANG Dengfeng JIAN Jichang HUANG Yu WANG Bei College of Fishery Guangdong Ocean UniversityGuangdong Provincial Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Economic AnimalKey Laboratory of Control for Disease of Aquatic Animals of Guangdong Higher Education InstitutesZhanjiang 524088China National Engineering Research center for Non-Food biorefinery State Key Laboratory of Non-Food Biomass and Enzyme TechnologyGuangxi Academy of SciencesNanning 536000China Key Laboratory of Experimental Marine Biology Institute of OceanologyChinese Academy of SciencesQingdao 266071China Laboratory for Marine Biology and Biotechnology Qingdao National Laboratory for Marine Science and Techno-logyQingdao 266237China Research Unit of Excellence for Tropical Fisheries and Technology Division of FisheriesDepartment of Agricultural TechnologyFaculty of TechnologyMahasarakham UniversityKantarawichaiMahasarakhamThailand Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry Guangxi Beibu Gulf Marine Research CenterGuangxi Academy of SciencesNanning 536000China

Understanding aquatic pathogen in sediments or aquacultural water is crucial to protect public health from soilborne and waterborne *** sensing(QS)was increasingly reported in biological wastewater treatment processes because of their inherent roles in biofilm development,bacterial aggregation and so *** widely QS signals was Antoinducer-2(AI-2),primarily involved to allow the possibility of interspecies ***,the cellular components that mediate the response of Streptococcus agalactiae to AI-2 have not been fully *** of the complete genome sequence of *** indi-cated that its RbsB protein has similarity to Escherichia coli LsrB and Aggregatibacter actinomycetemcomitans RbsB proteins that bind *** hypothesized that RbsB protein mediates quorum sensing signal uptake via interaction with *** evaluate the regulatory effect of RbsB on QS system,the recombinant plasmid pGEX-6p-1-RbsB was constructed and RbsB protein was purified with *** further elucidate the role of RbsB protein binding to DPD(AI-2 precursor dihydroxypentanedione),the systemati-cally throughput circular dichroism(CD)spectroscopy,isothermal titration calorimetry200(ITC200)and molecular docking methods were *** high expression of soluble RbsB protein with molecular weight of 33 kDa was *** thermodynamics results(ΔH<0,ΔS<0,ΔG<0)with ITC determination indicated that the binding process between DPD and RbsB was exothermic and spontaneous,with hydrogen bonds and van der Waals forces as the main binding ***,DPD can be more easily combined with RbsB in a dose-dependent manner,suggesting that RbsB was changed in the microenvironment of DPD when the DPD concentration was between 0.8-1.0mmolL−1 and reaching the maximum binding *** to molecular docking,3 hydrophobic residues involved in DPD and RbsB protein stable binding were be found,and also hydrogen bonding plays a key role in the formation of th

关键词： Streptococcus agalactiae RbsB protein circular dichroism(CD)spectroscopy isothermal titration calorimetry200(ITC200) molecular docking

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Flexible sodium-ion batteries using electrodes from Samanea saman tree leaf-derived carbon quantum dots decorated with SnO_(2) and NaVO_(3)

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Clean Energy 2021年第2期5卷 354-374页

作者： Baskar Thangaraj Surawut Chuangchote Nutthapon Wongyao Pravin Raj Solomon Kamonchanok Roongraung Wachira Chaiworn Werasak Surareungchai Pilot Plant Development and Training Institute King Mongkut’s University of Technology ThonburiBangkhuntien-chaitalay RoadThakamBangkok-10150Thailand Department of Tool and Materials Engineering Faculty of EngineeringKing Mongkut’s University of Technology Thonburi126 Prachauthit RoadBangmodThungkruBangkok 10140Thailand Research center of Advanced Materials for Energy and Environmental Technology King Mongkut’s University of Technology Thonburi126 Prachauthit RoadBangmodBangkok 10140Thailand Fuel Cells and Hydrogen Research and Engineering center Pilot Plant Development and Training InstituteKing Mongkut’s University of Technology ThonburiBangkok 10140Thailand School of Chemical and Biotechnology SASTRA-Deemed UniversityThanjavur-613402Tamil NaduIndia Integrative biorefinery Laboratory National Center for Genetic Engineering and BiotechnologyNational Science and Technology Development AgencyPatumthani-12120Thailand School of Bioresources Technology and Nanoscience&Nanotechnology Graduate ProgrammeFaculty of ScienceKing Mongkut’s University of Technology ThonburiBangkhuntien-chaitalay RoadThakamBangkok 10150Thailand

Carbonaceous materials with large interlayer spacing and disordered structure are considered suitable as electrodes in sodium-ion batteries so as to overcome the problem encountered in conventional *** this study,carbon quantum dots(CQDs)decorated with SnO_(2)and NaVO_(3)are used as electrodes in the fabrication of flexible Na-ion *** are prepared from dead leaves of the Samanea saman tree through alkaline-peroxide treatment and hydrothermal ***-prepared CQDs exhibit a quantum yield of 21.03%at an excitation wavelength of 360 *** separators such as indium-doped tin oxide/polyoxyethylene tridecyl ether(ITO/PTE),rice paper(RP),silicone with three big holes(SIL BH),silicone with many small holes(SIL SH)and cellulose paper(CP)have been tried in flexible Na-ion *** SH achieved higher specific capacitance(881 F g-1)than other separators due to the function of many small holes on the surface of the *** SIL SH separator delivered higher discharge capacities of 141 and 114 mC g-1 at 1.5 and 2.5 V than SIL *** RP separator delivered specific discharge capacities of 1087 and 347 mC g-1 in the 1st and 50th cycles,respectively,at 1 *** RP separator delivered a high initial specific discharge capacity of 698 mC g-1 at 2 V and maintained a good discharge capacity of 222 mC g-1 in the 50th *** compared to RP,SIL SH delivered high specific discharge capacity of 4246 in 1st cycle at 2 V but maintained a capacity of 71 mC g-1 in the 50th *** study reveals the scope of developing flexible Na-ion batteries with high capacity and cyclability using carbonaceous materials derived from the leaves of the *** tree.

关键词： biomass carbon quantum dots separators gel-polymer electrolyte flexible Na-ion battery

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Pyrolysis behaviour and kinetic analysis of waste polylactic acid composite reinforced with reed straw processing residue

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Carbon Resources Conversion 2024年第3期7卷 74-83页

作者： Bo Chen Sen Ma Sachin Kumar Zhitong Yao Wanqi Feng Jianbo Zhao Xu Zhang Di Cai Hui Cao Ian Watson Systems Power and Energy Research DivisionJames Watts School of EngineeringCollege of Science and EngineeringJames Watt SouthUniversity of GlasgowGlasgow G128QQUnited Kingdom College of Life Science and Technology Beijing University of Chemical TechnologyBeijing 100029PR China College of Energy State Key Laboratory of Physical Chemistry of Solid SurfacesXiamen UniversityXiamen 361102PR China Department of Energy Engineering Centre of Excellence-Green and Efficient Energy Technology(CoE-GEET)Central University of JharkhandRanchi 835205India College of Materials Science and Environmental Engineering Hangzhou Dianzi UniversityHangzhou 310018PR China College of Chemistry and Chemical Engineering Tarim UniversityAlarXinjiang 843300PR China National Energy R&D center for biorefinery Beijing University of Chemical TechnologyBeijing 100029PR China

The lignocellulose reinforced composites are commonly used sustainable materials with good mechanical and physical *** to properly dispose and recover the potential value of discarded lignocellulose reinforced composites,the pyrolysis behaviour and kinetics of reed straw processing residual/polylactic acid(RSPR/PLA)composites,a typical 3D printing material,was *** on the TG-FTIR results,the synergistic effects between RSPR and PLA during the pyrolysis process were *** with the FTIR spectra of PLA,the absorption peaks of CO and CO_(2)disappear in the FTIR spectra of RSPR/PLA composite,which indicates RSPR provides additional free radicals for the free radical reaction of PLA,and further promoting the *** apparent activation energy of the RSPR/PLA composite pyrolysis was calculated by two iso-conversional methods including Flynn-Wall-Ozawa(FWO)and Kissinger-Akahira-Sunose(KAS).The average Ea of the RSPR/PLA composite(122.6 kJ mol^(-1)(FWO)and 117.9 kJ mol^(-1)(KAS))was lower than that of solo pyrolysis of RSPR(138.5 kJ mol^(-1)(FWO)and 135.4 kJ mol^(-1)(KAS))and the pure PLA(197.0 kJ mol^(-1)(FWO)and 196.6 kJ mol^(-1)(KAS)).The master plot method results suggested the pyrolysis of RSPR/PLA composite followed the one-dimensional(D1)diffusion *** work provides an environmentally friendly strategy to effective thermo-chemical upgrading of the value of discarded lignocellulose reinforced composite material.

关键词： Biobased composite Pyrolysis conversion Synergy Bio-oil Reaction kinetics

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Synthesis strategies of hard carbon anodes for sodium-ion batteries

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Materials Reports(Energy) 2024年第2期4卷 1-22页

作者： Jian Yin Ye Shui Zhang Hanfeng Liang Wenli Zhang Yunpei Zhu Laboratory of Environmental Sciences and Technology Xinjiang Technical Institute of Physics&ChemistryChinese Academy of SciencesUrumqi830011China Materials Science and Engineering Physical Science and Engineering DivisionKing Abdullah University of Science and Technology(KAUST)Thuwal23955-6900Saudi Arabia School of Engineering University of AberdeenAberdeenAB243UEUK State Key Laboratory of Physical Chemistry of Solid Surfaces Tan Kah Kee Innovation Laboratory(IKKEM)College of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang center Jieyang515200China Guangdong Provincial Key Laboratory of Plant Resources biorefinery School of Chemical Engineering and Light IndustryGuangdong University of Technology(GDUT)Panyu DistrictGuangzhou510006China School of Advanced Manufacturing Guangdong University of Technology(GDUT)Jieyang522000China

Sodium-ion battery(SIB)is an ideal candidate for large-scale energy storage due to high abundant sodium sources,relatively high energy density,and potentially low *** carbons,as one of the most promising anodes,could deliver high plateau capacities at low potentials,which boosts the energy densities of *** slope capacities have been demonstrated from the defect adsorption of sodium ions,while the plateau capacity depends highly on intercalation and pore ***,the specific structures of sodium ions stored in hard carbons have not been clarified,namely active sites of adsorption,intercalation,and pore-filling ***,delicate synthesis methods are required to prepare hard carbons with controllable specific structures,along with elucidating the precise active sites for enhancing the Na-ion storage *** offer databases for future designs,we summarized the synthesis strategies of hard carbon anodes for constructing active sites of plateau *** methods were highlighted with corresponding influences on the meticulous structures of hard carbons and Na-ion storage *** but not least,perspectives were proposed for developing hard carbon anodes from the points of research and practical applications.

关键词： Hard carbon anodeCarbon synthesisSodium-ion batteryStructure-function relationship

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State-of-the-art and future directions of machine learning for biomass characterization and for sustainable biorefinery

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Journal of Energy Chemistry 2023年第6期81卷 42-63,I0003页

作者： Aditya Velidandi Pradeep Kumar Gandam Madhavi Latha Chinta Srilekha Konakanchi Anji reddy Bhavanam Rama Raju Baadhe Minaxi Sharma James Gaffey Quang D.Nguyen Vijai Kumar Gupta Integrated biorefinery Research Laboratory Department of BiotechnologyNational Institute of TechnologyWarangalTelangana 506004India Stem cell research laboratory Department of BiotechnologyNational Institute of TechnologyWarangalTelangana 506004India Department of Biotechnology Chaitanya University(Deemed to be University)WarangalTelangana 506001India Department of Chemical Engineering Dr.B.R.Ambedkar National Institute of Technology JalandharPunjab 144027India Haute Ecole Provinciale de Hainaut-Condorcet 7800 ATHBelgium Department of Applied Biology University of Science and TechnologyMeghalaya 793101India Circular Bioeconomy Research Group Shannon Applied Biotechnology CentreMunster Technological UniversityKerryIreland Department of Bioengineering and Alcoholic Drink Technology Institute of Food Science and TechnologyHungarian University of Agriculture and Life SciencesH-1118 BudapestḾenesiút 45Hungary Biorefining and Advanced Materials Research center SRUCKings BuildingsWest Mains RoadEdinburgh EH93JGUK Department of Biotechnology Graphic Era Deemed to be UniversityDehradun 248002UttarakhandIndia

Machine learning(ML)has emerged as a significant tool in the field of biorefinery,offering the capability to analyze and predict complex processes with *** article reviews the current state of biorefinery and its classification,highlighting various commercially successful ***,we delve into different categories of ML models,including their algorithms and applications in various stages of biorefinery lifecycle,such as biomass characterization,pretreatment,lignin valorization,chemical,thermochemical and biochemical conversion processes,supply chain analysis,and life cycle *** benefits and limitations of each of these algorithms are discussed in ***,the article concludes with a discussion of the limitations and future prospects of ML in the field of biorefineries.

关键词： Biofuel Biomass characterization biorefinery Life cycle assessment Machine learning Pretreatment

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Chemically Modified Lignin:Correlation between Structure and Biodegradability

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Journal of Renewable Materials 2021年第12期9卷 2119-2128页

作者： Meifeng Wang Wubliker Dessie Hui Li Key Laboratory of Biomaterials of Guangdong Higher Education Institutes Guangdong Provincial Engineering and Technological Research Center for Drug Carrier DevelopmentDepartment of Biomedical EngineeringJinan UniversityGuangzhouChina Hunan Engineering Technology Research center for Comprehensive Development and Utilization of Biomass Resources Hunan University of Science and EngineeringYongzhouChina

Lignin is the most abundant heteropolymer based on aromatic subunits in *** quantities of lignin are annually produced from pulping processes and biorefinery *** unclearly defined structure and difficult biodegradation mainly limit its *** work focused on the effect of hydroxylation of lignin on its microbial *** carbonyl-modified lignin,and hydroxylated-lignin were synthesized with di-tert-butyl dicarbonate and hydrogen peroxide,respectively,using lignin as raw *** degradation of the modifiedlignins both by *** and *** were analyzed using UV-vis *** revealed that the lignin degradation velocity raises with the increase hydroxylation level of ***,FTIR and 1H NMR analysis of the biodegradation products of lignin further indicated that higher content of hydroxyl groups in lignin facilitated the demethylation combined with the aromatic ring cracking in the presence of fungus and bacteria.

关键词： Lignin modification biodegradation degradation mechanism

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Co@CoO:An efficient catalyst for the depolymerization and upgrading of lignocellulose to alkylcyclohexanols with cellulose intact

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Journal of Energy Chemistry 2023年第2期77卷 191-199,I0006页

作者： Shuang Xiang Lin Dong Zhiqiang Wang Xue Han Yong Guo Xiaohui Liu Xue-Qing Gong Yanqin Wang Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering Feringa Nobel Prize Scientist Joint Research CenterResearch Institute of Industrial CatalysisSchool of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghai 200237China Jiangsu Co-Innovation center of Efficient Processing and Utilization of Forest Resources International Innovation Center for Forest Chemicals and MaterialsJiangsu Province Key Laboratory of Green Biomass-based Fuels and ChemicalsCollege of Chemical EngineeringNanjing Forestry UniversityNanjing 210037JiangsuChina Department of Chemistry University of ManchesterManchester M139PLUK

The depolymerization and upgrading of lignin from raw biomass,while keeping cellulose intact is important in biorefinery and various metal-based catalysts have been used in reductive catalytic fractionation,a key method in"lignin-first"strategy,Recently,we found that a core-shell structured Co@CoO catalyst with CoO shell as the real active site had excellent performance in the hydrogenolysis of 5-hydromethylfurfural to 2,5-dimethylfuran due to its unique ability to dissociate H_(2)and yield active H^(δ-)species(Xiang et al.,2022).In this work,we report a one-pot depolymerization and upgrading of lignocellulose to alkylcyclohexanols,a flavour precursor,with intact cellulose over this unique core-shell structured catalyst,Co@*** model compounds(β-O-4,4-O-5,α-O-4)were first used to clarify the activity of Co@CoO ***,the one-pot conversion of various organosolv lignin(birch,pine and poplar)to alkylcyclohexanols was realized with the mass yield of alkylcyclohexanols up to25.8 wt%from birch lignin under the reaction condition of 210℃,1 MPa H_(2),16 ***,the corresponding woody sawdusts were used as feedstocks and found that the Co@CoO catalyst indeed preferentially depolymerized and upgraded the lignin part and obtained the same alkylcyclohexanols products with the retention of cellulose-rich *** collected alkylcyclohexanols were further esterified to obtain valueadded esters,which can be used as *** work will inspire the design of new efficient metal oxide catalysts in lignin fractionation and depolymerization to high-value-added chemicals with intact cellulose.

关键词： Lignocellulose Lignin Depolymerization Co@CoO Alkylcyclohexanols

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biorefinery process for production of bioactive compounds and bio-oil from Camellia oleifera shell

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International Journal of Agricultural and Biological Engineering 2019年第5期12卷 190-194页

作者： Yunpu Wang Linyao Ke Qi Yang Yujie Peng Yanzhe Hu Leilei Dai Lin Jiang Qiuhao Wu Yuhuan Liu Roger Ruan Guiming Fu State Key Laboratory of Food Science and Technology Nanchang UniversityNanchang 330047China Engineering Research center for Biomass Conversion Ministry of EducationNanchang UniversityNanchang 330047China center for Biorefining and Department of Bioproducts and Biosystems Engineering University of Minnesota 1390 Eckles Ave.St.PaulMN 55108USA

A biorefinery process was developed in this study to obtain bioactive compounds and bio-oil from Camellia oleifera *** different extraction techniques(water,ethanol,ultrasound-assisted deionized water,and ultrasound-assisted ethanol)were utilized to extract tea saponin and tannin from *** *** showed that ethanol had better extraction capacity than did deionized water,and ultrasound could promote the dissolution of tannin and tea saponin in *** thermogravimetric curves of the samples treated under the four conditions moved toward high *** phenomenon indicated the thermal stability of the residue was significantly *** pretreatment showed a slight effect on the chemical compositions of ***,the samples treated with ethanol and ultrasound-assisted deionized water contained higher phenol contents(81.07%and 81.52%,respectively)than the other *** content of organic acid decreased with an increase in the phenol content.

关键词： Camellia oleifera shell bio-oil bioactive compounds biorefinery ultrasound-assisted extraction pyrolysis

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Synergistic optimization framework for the process synthesis and design of biorefineries

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Frontiers of Chemical Science and Engineering 2022年第2期16卷 251-273页

作者： Nikolaus IVollmer Resul Al Krist V.Gernaey Gürkan Sin Process and Systems Engineering(PROSYS)Research center Department of Chemical and Biochemical EngineeringTechnical University of Denmark2800 Kgs.LyngbyDenmark Novo Nordisk A/S 2880 BagsværdDenmark

The conceptual process design of novel bioprocesses in biorefinery setups is an important task,which remains yet challenging due to several *** propose a novel framework incorporating superstructure optimization and simulation-based optimization *** this context,several approaches for superstructure optimization based on different surrogate models can be *** means of a case study,the framework is introduced and validated,and the different superstructure optimization approaches are *** results indicate that even though surrogate-based optimization approaches alleviate the underlying computational issues,there remains a potential issue regarding their *** development of appropriate surrogate models,comprising the selection of surrogate type,sampling type,and size for training and cross-validation sets,are essential *** this aspect,satisfactory validation metrics do not ensure a successful outcome from its embedded use in an optimization ***,the framework’s synergistic effects by sequentially performing superstructure optimization to determine candidate process topologies and simulationbased optimization to consolidate the process design under uncertainty offer an alternative and promising *** findings invite for a critical assessment of surrogatebased optimization approaches and point out the necessity of benchmarking to ensure consistency and quality of optimized solutions.

关键词： biotechnology surrogate modelling superstructure optimization simulation-based optimization process design

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