Sustainable biohydrogen production by Chlorella sp. microalgae: A review

Boodhun, 2017, Research perspectives on constraints, prospects and opportunities in biohydrogen production, Int J Hydrogen Energy, 42, 27471, 10.1016/j.ijhydene.2017.04.077 Lunprom, 2019, A sequential process of anaerobic solid-state fermentation followed by dark fermentation for bio-hydrogen production from Chlorella sp, Int J Hydrogen Energy, 3306, 10.1016/j.ijhydene.2018.06.012 Oey, 2016, Challenges and opportunities for hydrogen production from microalgae, Plant Biotechnol J, 14, 1487, 10.1111/pbi.12516 BP plc, 2018 Oliveira, 2015, Hydrogen photo-production using chlorella sp. through sulfur-deprived and hybrid system strategy, Chem Eng Trans, 43, 301 Lakshmikandan, 2016, Enhancement of growth and biohydrogen production potential of Chlorella vulgaris MSU-AGM 14 by utilizing seaweed aqueous extract of Valoniopsis pachynema, Renew Energy, 96, 390, 10.1016/j.renene.2016.04.097 Rahman, 2016, Overview biohydrogen technologies and application in fuel cell technology, Renew Sustain Energy Rev, 66, 137, 10.1016/j.rser.2016.07.047 Contreras-Pérez, 2008, Potential of green algae for the photo-biological production of Hydrogen, Cienc Soc, 23, 307 Boboescu, 2016, Surpassing the current limitations of biohydrogen production systems: the case for a novel hybrid approach, Bioresour Technol, 204, 192, 10.1016/j.biortech.2015.12.083 Lopez-Hidalgo, 2018, Biohydrogen production from mixtures of agro-industrial wastes: chemometric analysis, optimization and scaling up, Energy, 159, 32, 10.1016/j.energy.2018.06.124 Holladay, 2009, An overview of hydrogen production technologies, Catal Today, 139, 244, 10.1016/j.cattod.2008.08.039 Pongpadung, 2015, Screening for hydrogen-producing strains of green microalgae in phosphorus or sulphur deprived medium under nitrogen limitation, Sci Asia, 41, 97, 10.2306/scienceasia1513-1874.2015.41.097 Rashid, 2013, Hydrogen production by immobilized Chlorella vulgaris: optimizing pH, carbon source and light, Bioproc Biosyst Eng, 36, 867, 10.1007/s00449-012-0819-9 Hemschemeier, 2009, Analytical approaches to photobiological hydrogen production in unicellular green algae, Photosynth Res, 102, 523, 10.1007/s11120-009-9415-5 Aslam, 2018, Anaerobic membrane bioreactors for biohydrogen production: recent developments, challenges and perspectives, Bioresour Technol, 269, 452, 10.1016/j.biortech.2018.08.050 Kadir, 2018, Harvesting and pre-treatment of microalgae cultivated in wastewater for biodiesel production: a review, Energy Convers Manag, 171, 1416, 10.1016/j.enconman.2018.06.074 Oncel, 2015, 159 Yang, 2019, Genetically engineered hydrogenases promote biophotocatalysis-mediated H 2 production in the green alga Chlorella sp. DT, Int J Hydrogen Energy, 44, 2533, 10.1016/j.ijhydene.2018.11.088 Ramanna, 2017, Light enhancement strategies improve microalgal biomass productivity, Renew Sustain Energy Rev, 80, 765, 10.1016/j.rser.2017.05.202 Sarkar, 2010, Large-scale biohydrogen production from bio-oil, Bioresour Technol, 101, 7350, 10.1016/j.biortech.2010.04.038 Kotasthane, 2017, Potential of microalgae for sustainable biofuel production, J Mar Sci Res Dev, 7, 10.4172/2155-9910.1000223 Moriarty, 2019, New energy technologies: microalgae, photolysis and airborne wind turbines, Science, 1, 1 Faloye, 2014, Optimization of biohydrogen inoculum development via a hybrid pH and microwave treatment technique – semi pilot scale production assessment, Int J Hydrogen Energy, 39, 5607, 10.1016/j.ijhydene.2014.01.163 Antal, 2011, Acclimation of green algae to sulfur deficiency: underlying mechanisms and application for hydrogen production, Appl Microbiol Biotechnol, 89, 3, 10.1007/s00253-010-2879-6 Das, 2009, Advances in biohydrogen production processes: an approach towards commercialization, Int J Hydrogen Energy, 34, 7349, 10.1016/j.ijhydene.2008.12.013 Bharathiraja, 2016, Biohydrogen and Biogas – an overview on feedstocks and enhancement process, Fuel, 185, 810, 10.1016/j.fuel.2016.08.030 Wadjeam, 2019, Co-digestion of cassava starch wastewater with buffalo dung for bio-hydrogen production, Int J Hydrogen Energy, 44, 14694, 10.1016/j.ijhydene.2019.04.138 Khan, 2017, Microbial electrolysis cells for hydrogen production and urban wastewater treatment: a case study of Saudi Arabia, Appl Energy, 185, 410, 10.1016/j.apenergy.2016.11.005 Budiman, 2018, Role of chemicals addition in affecting biohydrogen production through photofermentation, Energy Convers Manag, 165, 509, 10.1016/j.enconman.2018.01.058 Shu, 2018, Improvement in the photobiological hydrogen production of aggregated chlorella by dimethyl sulfoxide, ChemBioChem, 19, 669, 10.1002/cbic.201700637 Kim, 2005, Cell age optimization for hydrogen production induced by sulfur deprivation using a green alga Chlamydomonas reinhardtii UTEX 90, J Microbiol Biotechnol, 15, 131 Sengmee, 2017, Biophotolysis-based hydrogen and lipid production by oleaginous microalgae using crude glycerol as exogenous carbon source, Int J Hydrogen Energy, 42, 1970, 10.1016/j.ijhydene.2016.10.089 Abuşoğlu, 2017, Exergy analyses of green hydrogen production methods from biogas-based electricity and sewage sludge, Int J Hydrogen Energy, 42, 10986, 10.1016/j.ijhydene.2017.02.144 Xia, 2016, Production of hydrogen, ethanol and volatile fatty acids through co-fermentation of macro- and micro-algae, Bioresour Technol, 205, 118, 10.1016/j.biortech.2016.01.025 Duangjan, 2017, Comparision of hydrogen production in microalgae under autotrophic mixotrophic media, Bot Lith, 23, 169, 10.1515/botlit-2017-0018 Shobana, 2017, A review on the biomass pretreatment and inhibitor removal methods as key-steps towards efficient macroalgae-based biohydrogen production, Bioresour Technol, 244, 1341, 10.1016/j.biortech.2017.05.172 Melis, 2012, Photosynthesis-to-fuels: from sunlight to hydrogen, isoprene, and botryococcene production, Energy Environ Sci, 5, 5531, 10.1039/C1EE02514G Alalayah, 2015, Influence of culture parameters on biological hydrogen production using green algae chlorella vulgaris, Rev Chim, 66, 788 Fan, 2016, Comparative study of the oxygen tolerance of Chlorella pyrenoidosa and Chlamydomonas reinhardtii CC124 in photobiological hydrogen production, Algal Res, 16, 240, 10.1016/j.algal.2016.03.025 Khetkorn, 2017, Microalgal hydrogen production – a review, Bioresour Technol, 243, 1194, 10.1016/j.biortech.2017.07.085 Alalayah, 2017, Kinetics of biological hydrogen production from green microalgae Chlorella vulgaris using glucose as initial substrate, Energy Sources Part A Recover Util Environ Eff, 39, 1210, 10.1080/15567036.2017.1315755 Show, 2011, Bioreactor and process design for biohydrogen production, Bioresour Technol, 102, 8524, 10.1016/j.biortech.2011.04.055 Bakonyi, 2013, Biohydrogen purification by membranes: an overview on the operational conditions affecting the performance of non-porous, polymeric and ionic liquid based gas separation membranes, Int J Hydrogen Energy, 38, 9673, 10.1016/j.ijhydene.2013.05.158 Manish, 2008, Comparison of biohydrogen production processes, Int J Hydrogen Energy, 33, 279, 10.1016/j.ijhydene.2007.07.026 Oncel, 2012, Microalgal biohydrogen production considering light energy and mixing time as the two key features for scale-up, Bioresour Technol, 121, 228, 10.1016/j.biortech.2012.06.079 Tinpranee, 2016, Hydrogen production by unicellular green alga chlorella sp. LSD-W2 isolated from seawater in Thailand, KKU Res J, 22, 256 Rashid, 2013, Current status, barriers and developments in biohydrogen production by microalgae, Renew Sustain Energy Rev, 22, 571, 10.1016/j.rser.2013.01.051 He, 2012, The enhancement of hydrogen photoproduction in Chlorella protothecoides exposed to nitrogen limitation and sulfur deprivation, Int J Hydrogen Energy, 37, 16903, 10.1016/j.ijhydene.2012.08.121 Song, 2011, Biohydrogen production by immobilized Chlorella sp. using cycles of oxygenic photosynthesis and anaerobiosis, Bioresour Technol, 102, 8676, 10.1016/j.biortech.2011.02.082 Aziz, 2016, Integrated hydrogen production and power generation from microalgae, Int J Hydrogen Energy, 41, 104, 10.1016/j.ijhydene.2015.10.115 Kumar, 2017, A comprehensive overview on light independent fermentative hydrogen production from wastewater feedstock and possible integrative options, Energy Convers Manag, 141, 390, 10.1016/j.enconman.2016.09.087 Vargas, 2016, Mass transfer modeling and maximization of hydrogen rhythmic production from genetically modified microalgae biomass, Int J Heat Mass Transf, 101, 1, 10.1016/j.ijheatmasstransfer.2016.04.117 Shastik, 2019, New methods for hydrogen production by marine microalga Chlorella pyrenoidosa in natural seawater, Int J Hydrogen Energy, 44, 14707, 10.1016/j.ijhydene.2019.04.178 Bolatkhan, 2019, Hydrogen production from phototrophic microorganisms: reality and perspectives, Int J Hydrogen Energy, 44, 5799, 10.1016/j.ijhydene.2019.01.092 Dagdougui, 2018, 7 Corrêa, 2017, Enhanced biohydrogen production from microalgae by diesel engine hazardous emissions fixation, Int J Hydrogen Energy, 42, 21463, 10.1016/j.ijhydene.2017.05.176 Khan, 2018, The promising future of microalgae: current status, challenges, and optimization of a sustainable and renewable industry for biofuels, feed, and other products, Microb Cell Fact, 17, 1, 10.1186/s12934-018-0879-x Katiyar, 2017, Microalgae: an emerging source of energy based bio-products and a solution for environmental issues, Renew Sustain Energy Rev, 72, 1083, 10.1016/j.rser.2016.10.028 Koyande, 2019, Bio-processing of algal bio-refinery: a review on current advances and future perspectives, Bioengineered, 10, 574, 10.1080/21655979.2019.1679697 Lam, 2013, 161 Eroglu, 2016, Microalgal hydrogen production research, Int J Hydrogen Energy, 41, 12772, 10.1016/j.ijhydene.2016.05.115 Bala Amutha, 2011, Biological hydrogen production by the algal biomass Chlorella vulgaris MSU 01 strain isolated from pond sediment, Bioresour Technol, 102, 194, 10.1016/j.biortech.2010.06.008 Bakonyi, 2018, A review of the innovative gas separation membrane bioreactor with mechanisms for integrated production and purification of biohydrogen, Bioresour Technol, 10.1016/j.biortech.2018.09.020 Zhao, 2018, Temporal scaling of the growth dependent optical properties of microalgae, J Quant Spectrosc Radiat Transf, 214, 61, 10.1016/j.jqsrt.2018.04.024 Wong, 2017, Growth medium screening for chlorella vulgaris growth and lipid production, J Aquac Mar Biol, 6, 1, 10.15406/jamb.2017.06.00143 Rodionova, 2017, Biofuel production: challenges and opportunities, Int J Hydrogen Energy, 42, 8450, 10.1016/j.ijhydene.2016.11.125 Dasan, 2019, Life cycle evaluation of microalgae biofuels production: effect of cultivation system on energy, carbon emission and cost balance analysis, Sci Total Environ, 688, 112, 10.1016/j.scitotenv.2019.06.181 Chernova, 2017, Microalgae biofuels: induction of lipid synthesis for biodiesel production and biomass residues into hydrogen conversion, Int J Hydrogen Energy, 42, 2861, 10.1016/j.ijhydene.2016.05.302 Darvehei, 2018, Model development for the growth of microalgae: a review, Renew Sustain Energy Rev, 97, 233, 10.1016/j.rser.2018.08.027 Schütz, 2004, Cyanobacterial H2 production - a comparative analysis, Planta, 218, 350, 10.1007/s00425-003-1113-5 Lehr, 2010, Photobiotechnological hydrogen production with microalgae, vol. 78–2, 1 Melis, 2000, Sustained photobiological hydrogen gas production upon reversible inactivation of oxygen evolution in the green alga Chlamydomonas reinhardtii, Plant Physiol, 122, 127, 10.1104/pp.122.1.127 Show, 2014, 189 International Energy Agency, 2006, Hydrogen production and storage. R&D priorities and gaps, Hydrogen Implement Agreem, 1 Batyrova, 2017, Sustainability of biohydrogen production using engineered algae as a source, Biohydrogen Prod Sustain Curr Technol Futur Perspect, 163, 10.1007/978-81-322-3577-4_8 Singh, 2015, The phycobilisomes: an early requisite for efficient photosynthesis in cyanobacteria, EXCLI J, 14, 268 Lakatos, 2017, Factors influencing algal photobiohydrogen production in algal-bacterial co-cultures, Algal Res, 28, 161, 10.1016/j.algal.2017.10.024 Allahverdiyeva, 2014, Recent developments on cyanobacteria and green algae for biohydrogen photoproduction and its importance in CO2 reduction, Bioenergy Res Adv Appl, 367, 10.1016/B978-0-444-59561-4.00021-8 Das, 2008, Advances in biological hydrogen production processes, Int J Hydrogen Energy, 33, 6046, 10.1016/j.ijhydene.2008.07.098 Liu, 2016, Photoautotrophic hydrogen production by Chlorella pyrenoidosa without sulfur-deprivation, Int J Hydrogen Energy, 41, 8427, 10.1016/j.ijhydene.2016.03.191 Milledge, 2014, Methods of energy extraction from microalgal biomass: a review, Rev Environ Sci Bio Technol, 13, 301, 10.1007/s11157-014-9339-1 Show, 2019, 325 Kojima, 1988, Photoproduction of hydrogen by adapted cells of Chlorella pyrenoidosa, J Ferment Technol, 66, 19, 10.1016/0385-6380(88)90124-0 Kojima, 2004, Effect of partial shading on photoproduction of hydrogen by Chlorella, J Biosci Bioeng, 97, 317, 10.1016/S1389-1723(04)70212-1 Acar, 2018, 3.1 hydrogen production, Compr Energy Syst, 3–5, 1 Kaushik, 2017, Exploiting biohydrogen pathways of cyanobacteria and green algae: an industrial production approach, 97 Nagarajan, 2017, Recent insights into biohydrogen production by microalgae – from biophotolysis to dark fermentation, Bioresour Technol, 227, 373, 10.1016/j.biortech.2016.12.104 Pow, 1979, Photoproduction of hydrogen from water in hydrogenase-containing algae, Arch Biochem Biophys, 194, 413, 10.1016/0003-9861(79)90635-0 Kim, 2014, Global existence and energy decay rates for a Kirchhoff-type wave equation with nonlinear dissipation, Sci World J, 2014, 1 Lee, 2010, Biological hydrogen production: prospects and challenges, Trends Biotechnol, 28, 262, 10.1016/j.tibtech.2010.01.007 Hwang, 2014, Photoautotrophic hydrogen production by eukaryotic microalgae under aerobic conditions, Nat Commun, 5, 1, 10.1038/ncomms4234 Chandra, 2011, Microalgal community and their growth conditions influence biohydrogen production during integration of dark-fermentation and photo-fermentation processes, Int J Hydrogen Energy, 36, 12211, 10.1016/j.ijhydene.2011.07.007 Azwar, 2014, Development of biohydrogen production by photobiological, fermentation and electrochemical processes: a review, Renew Sustain Energy Rev, 31, 158, 10.1016/j.rser.2013.11.022 Bičáková, 2012, Production of hydrogen from renewable resources and its effectiveness, Int J Hydrogen Energy, 37, 11563, 10.1016/j.ijhydene.2012.05.047 Vogt, 2007, The exchange activities of [Fe] hydrogenase (iron–sulfur-cluster-free hydrogenase) from methanogenic archaea in comparison with the exchange activities of [FeFe] and [NiFe] hydrogenases, JBIC J Biol Inorg Chem, 13, 97, 10.1007/s00775-007-0302-2 Fontecilla-Camps, 2007, Structure/function relationships of [NiFe]- and [FeFe]-Hydrogenases, Chem Rev, 107, 4273, 10.1021/cr050195z Shobana, 2017, Fermentative hydrogen production from mixed and pure microalgae biomass: key challenges and possible opportunities, Int J Hydrogen Energy, 42, 26440, 10.1016/j.ijhydene.2017.07.050 Bakonyi, 2017, A novel gas separation integrated membrane bioreactor to evaluate the impact of self-generated biogas recycling on continuous hydrogen fermentation, Appl Energy, 190, 813, 10.1016/j.apenergy.2016.12.151 Li, 2015, The enhancement of hydrogen photoproduction in marine Chlorella pyrenoidosa under nitrogen deprivation, Int J Hydrogen Energy, 40, 14784, 10.1016/j.ijhydene.2015.09.022 Oncel, 2015, Biohydrogen production from model microalgae Chlamydomonas reinhardtii: a simulation of environmental conditions for outdoor experiments, Int J Hydrogen Energy, 40, 7502, 10.1016/j.ijhydene.2014.12.121 Hase, 1961, Role of sulfur in the cell division of chlorella, with special reference to the sulfur compounds appearing during the process of cell division II, Plant Cell Physiol, 2, 9, 10.1093/oxfordjournals.pcp.a077668 Batyrova, 2015, Sustainable hydrogen photoproduction by phosphorus-deprived marine green microalgae Chlorella sp, Int J Mol Sci, 16, 2705, 10.3390/ijms16022705 Biedlingmaier, 1989, Sulfate transport in normal and S-deprived chlorella fusca, Zeitschrift Fur Naturforsch Sect C J Biosci, 44, 495, 10.1515/znc-1989-5-625 Skjånes, 2013, Potential for green microalgae to produce hydrogen, pharmaceuticals and other high value products in a combined process, Crit Rev Biotechnol, 33, 172, 10.3109/07388551.2012.681625 Zhang, 2002, Biochemical and morphological characterization of sulfur-deprived and H 2 -producing Chlamydomonas reinhardtii (green alga), Planta, 214, 552, 10.1007/s004250100660 Zhang, 2015, Role of the mitochondrial alternative oxidase pathway in hydrogen photoproduction in Chlorella protothecoides, Planta, 241, 1005, 10.1007/s00425-014-2231-y Touloupakis, 2019, Photobiological hydrogen production, Sol Hydrog Prod, 511, 10.1016/B978-0-12-814853-2.00014-X Zhang, 2014, The enhancement mechanism of hydrogen photoproduction in Chlorella protothecoides under nitrogen limitation and sulfur deprivation, Int J Hydrogen Energy, 39, 8969, 10.1016/j.ijhydene.2014.04.045 Buitrón, 2017, Biohydrogen production from microalgae, Microalgae Based Biofuels Bioprod, 209, 10.1016/B978-0-08-101023-5.00009-1 Pierobon, 2018, Emerging microalgae technology: a review, Sustain Energy Fuels, 2, 13, 10.1039/C7SE00236J Paramesh, 2018, Enhancement of biological hydrogen production using green alga Chlorococcum minutum, Int J Hydrogen Energy, 43, 3957, 10.1016/j.ijhydene.2017.09.005 Bayro-Kaiser, 2017, Microalgal hydrogen production: prospects of an essential technology for a clean and sustainable energy economy, Photosynth Res, 133, 49, 10.1007/s11120-017-0350-6 Scranton, 2015, Chlamydomonas as a model for biofuels and bio-products production, Plant J, 82, 523, 10.1111/tpj.12780 Chew, 2018, Effects of water culture medium, cultivation systems and growth modes for microalgae cultivation: a review, J Taiwan Inst Chem Eng, 91, 332, 10.1016/j.jtice.2018.05.039 Champenois, 2015, Review of the taxonomic revision of Chlorella and consequences for its food uses in Europe, J Appl Phycol, 27, 1845, 10.1007/s10811-014-0431-2 Sankaran, 2018, Exploitation and biorefinery of microalgae, Waste Bioref, 571, 10.1016/B978-0-444-63992-9.00019-7 Chader, 2009, Study of hydrogen production by three strains of Chlorella isolated from the soil in the Algerian Sahara, Int J Hydrogen Energy, 34, 4941, 10.1016/j.ijhydene.2008.10.058 Qiao, 2009, Effect of carbon source on growth and lipid accumulation in Chlorella sorokiniana GXNN01, Chin J Oceanol Limnol, 27, 762, 10.1007/s00343-009-9216-x Chou, 2008, Bioassay-guided purification and identification of PPARα/γ agonists from Chlorella sorokiniana, Phyther Res, 22, 605, 10.1002/ptr.2280 Cuaresma, 2009, Productivity of Chlorella sorokiniana in a short light-path (SLP) panel photobioreactor under high irradiance, Biotechnol Bioeng, 104, 352, 10.1002/bit.22394 de-Bashan, 2008, Chlorella sorokiniana UTEX 2805, a heat and intense, sunlight-tolerant microalga with potential for removing ammonium from wastewater, Bioresour Technol, 99, 4980, 10.1016/j.biortech.2007.09.065 Hirokawa, 1982, Correlation between the starch level and the rate of starch synthesis during the developmental cycle of chlorella ellipsoidea, Plant Cell Physiol, 23, 813 Rashid, 2011, Bio-hydrogen production by Chlorella vulgaris under diverse photoperiods, Bioresour Technol, 102, 2101, 10.1016/j.biortech.2010.08.032 Kaushik, 2011, Biohydrogen production by Lyngbya perelegans: influence of physico-chemical environment, Biomass Bioenergy, 35, 1041, 10.1016/j.biombioe.2010.11.024 Tsygankov, 2006, Hydrogen production by sulfur-deprived Chlamydomonas reinhardtii under photoautotrophic conditions, Int J Hydrogen Energy, 31, 1574, 10.1016/j.ijhydene.2006.06.024 Heredia-Arroyo, 2010, Oil accumulation via heterotrophic/mixotrophic chlorella protothecoides, Appl Biochem Biotechnol, 162, 1978, 10.1007/s12010-010-8974-4 Mizuno, 2013, Sequential accumulation of starch and lipid induced by sulfur deficiency in Chlorella and Parachlorella species, Bioresour Technol, 129, 150, 10.1016/j.biortech.2012.11.030 Barsanti, 2008, Oddities and curiosities in the algal world, 353 Zuppini, 2009, Chlorella saccharophila cytochrome f and its involvement in the heat shock response, J Exp Bot, 60, 4189, 10.1093/jxb/erp264 Muñoz, 2006, Algal–bacterial processes for the treatment of hazardous contaminants: a review, Water Res, 40, 2799, 10.1016/j.watres.2006.06.011 Fei, 2015, Lipid production by microalgae Chlorella protothecoides with volatile fatty acids (VFAs) as carbon sources in heterotrophic cultivation and its economic assessment, Bioproc Biosyst Eng, 38, 691, 10.1007/s00449-014-1308-0 Li, 2014, Mixotrophic cultivation of a Chlorella sorokiniana strain for enhanced biomass and lipid production, Biomass Bioenergy, 66, 204, 10.1016/j.biombioe.2014.04.010 Benemann, 1997, Feasibility analysis of photobiological hydrogen production, Int J Hydrogen Energy, 22, 979, 10.1016/S0360-3199(96)00189-9 Tredici, 1998, Efficiency of sunlight utilization: tubular versus flat photobioreactors, Biotechnol Bioeng, 57, 187, 10.1002/(SICI)1097-0290(19980120)57:2<187::AID-BIT7>3.0.CO;2-J Melis, 2001, Hydrogen production. Green algae as a source of energy, Plant Physiol, 127, 740, 10.1104/pp.010498 James, 2009 Romagnoli, 2011, Life cycle assessment of biohydrogen production in photosynthetic processes, Int J Hydrogen Energy, 36, 7866, 10.1016/j.ijhydene.2011.02.004 Show, 2019, 391 Sen, 2013, 339 Meyer, 2014, Life cycle costs for the optimized production of hydrogen and biogas from microalgae, Energy, 78, 84, 10.1016/j.energy.2014.08.069 Slade, 2013, Micro-algae cultivation for biofuels: cost, energy balance, environmental impacts and future prospects, Biomass Bioenergy, 53, 29, 10.1016/j.biombioe.2012.12.019