Fractionation of Oil Palm Fiber Using Green Solvent for Lignin Separation

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WO2007120210 PROCESS FOR FRACTIONATING LIGNOCELLULOSIC BIOMASS INTO LIQUID AND SOLID PRODUCTS. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2007120210&tab=PCTDESCRIPTION" /> <meta name="citation_reference" content="citation_title=Biorefining of softwoods using ethanol organosolv pulping: Preliminary evaluation of process streams for manufacture of fuel-grade ethanol and co-products; citation_author=Xuejun Pan; citation_author=Claudio Arato; citation_author=Neil Gilkes; citation_author=David Gregg; citation_author=Warren Mabee; citation_author=Kendall Pye; citation_author=Zhizhuang Xiao; citation_author=Xiao Zhang; citation_author=John Saddler; citation_volume=90; citation_issue=4; citation_publication_date=2005; citation_pages=473-481; citation_doi=10.1002/bit.20453" /> <meta name="citation_reference" content="citation_title=Extraction of lignin from sugar cane bagasse and Pinus taeda wood chips using ethanol–water mixtures and carbon dioxide at high pressures; citation_author=Daniel Pasquini; citation_author=Maria Teresa Borges Pimenta; citation_author=Luiz Henrique Ferreira; citation_author=Antonio Aprigio da Silva Curvelo; citation_volume=36; citation_issue=1; citation_publication_date=2005/11; citation_pages=31-39; citation_doi=10.1016/j.supflu.2005.03.004" /> <meta name="citation_reference" content="citation_title=The Green Economics in PT Sinar Mas Agro Resources and Technology Tbk (PT SMART Tbk.); citation_author=Muhammad Hakim Haekal; citation_author=Muhammad Eka Pramudita; citation_publication_date=2013; citation_pages=14-18; citation_doi=10.7763/ijtef.2013.v4.253" /> <meta name="citation_reference" content="Sluiter, a., Hames, B., Ruiz, R., Scarlata, C., Sluiter, J., Templeton, D., & Crocker, D. (2008). NREL/TP-510-42618 analytical procedure - Determination of structural carbohydrates and lignin in Biomass. Laboratory Analytical Procedure (LAP), April 2008, 17. https://doi.org/NREL/TP-510-42618" /> <meta name="citation_reference" content="citation_title=Oil palm fibers: Morphology, chemical composition, surface modification, and mechanical properties; citation_author=M. S. Sreekala; citation_author=M. G. Kumaran; citation_author=Sabu Thomas; citation_volume=66; citation_issue=5; citation_publication_date=1997/10/31; citation_pages=821-835; citation_doi=10.1002/(sici)1097-4628(19971031)66:5<821::aid-app2>3.0.co;2-x" /> <meta name="citation_reference" content="citation_title=Hydrolysis of lignocellulosic materials for ethanol production: a review; citation_author=Ye Sun; citation_author=Jiayang Cheng; citation_volume=83; citation_issue=1; citation_publication_date=2002/5; citation_pages=1-11; citation_doi=10.1016/s0960-8524(01)00212-7" /> <meta name="citation_reference" content="citation_title=Fractionating recalcitrant lignocellulose at modest reaction conditions; citation_author=Yi-Heng Percival Zhang; citation_author=Shi-You Ding; citation_author=Jonathan R. Mielenz; citation_author=Jing-Biao Cui; citation_author=Richard T. Elander; citation_author=Mark Laser; citation_author=Michael E. Himmel; citation_author=James R. McMillan; citation_author=Lee R. Lynd; citation_volume=97; citation_issue=2; citation_publication_date=2007; citation_pages=214-223; citation_doi=10.1002/bit.21386" /> <meta name="person" content="Yuana Yesika, Tedi Hudaya, Kelly Anne Hawboldt, Handajaya Rusli, Jenny Novianti Muliarahayu Soetedjo" /> <meta name="description" content="Oil palm processing produces more than 70-wt% of its lignocellulosic content as by-product, the bulk of which is empty fruit bunches (EFB). EFB contains cellulose, hemicellulose, and lignin which makes it a potential source of bio-based chemicals. This research explores the utilization of ethanol as a potentially green, sustainable, and low-cost organic solvent (organosolv) for EFB fractionation. Organosolv processes target extraction of lignin (delignification). Conventional delignification use an acid hydrolysis process with lignin yields of approximately 18-wt%. In this study the EFB was treated in 2 stages, (1) soaking EFB for 1 hour followed by (2) delignification using ethanol as the organic solvent under variable process conditions. Temperature (140°C, 170°C), liquid-to-solid ratio (L/S-w/w) (6:1, 15:1), and wt%-ethanol (20-wt%, 50-wt%) were varied while residence time was constant at 30 minutes (experiments were run in duplicate). Data analysis using 2k Factorial Design Method showed the significant variables were temperature, L/S-ratio, wt%-ethanol, interaction of L/S ratio and temperature, temperature and %wt-ethanol interaction, and L/S-ratio and %wt-ethanol. The optimum operating conditions (170°C, 15:1, 20wt%-ethanol) produced a lignin yield of up to 31%wt. This preliminary study shows ethanol in an organosolv process is a potential delignification option." /> <meta name="keywords" content="Biomass, Delignification, Ethanol, Lignocellulosic, Organosolv, Palm Oil Waste, Pretreatment" /> <meta name="copyright" content="2023 Trans Tech Publications Ltd. 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lignocellulosic content as by-product, the bulk of which is empty fruit bunches (EFB). EFB contains cellulose, hemicellulose, and lignin which makes it a potential source of bio-based chemicals. This research explores the utilization of ethanol as a potentially green, sustainable, and low-cost organic solvent (organosolv) for EFB fractionation. Organosolv processes target extraction of lignin (delignification). Conventional delignification use an acid hydrolysis process with lignin yields of approximately 18-wt%. In this study the EFB was treated in 2 stages, (1) soaking EFB for 1 hour followed by (2) delignification using ethanol as the organic solvent under variable process conditions. Temperature (140°C, 170°C), liquid-to-solid ratio (L/S-w/w) (6:1, 15:1), and wt%-ethanol (20-wt%, 50-wt%) were varied while residence time was constant at 30 minutes (experiments were run in duplicate). Data analysis using 2k Factorial Design Method showed the significant variables were temperature, L/S-ratio, wt%-ethanol, interaction of L/S ratio and temperature, temperature and %wt-ethanol interaction, and L/S-ratio and %wt-ethanol. The optimum operating conditions (170°C, 15:1, 20wt%-ethanol) produced a lignin yield of up to 31%wt. This preliminary study shows ethanol in an organosolv process is a potential delignification option. </p> </div> <div class="paper-access-buttons col-xs-12"> <div class="row"> <div class="sa-button-wrap"> <a id="sa-button" class="wayfinder-login d-flex sa-button" href="javascript:;"> <div class="sa-button-logo-wrap"> <i class="inline-icon sa-white"></i> </div> <div class="d-flex justify-content-center align-items-center sa-button-text text-truncate"> <div class="sa-button-text-primary text-truncate">Access through your institution</div> </div> </a> </div> <div class="title-button-pdf"> <button id="readPaperButton" data-url-read-paper-log="/Paper/ReadThePaperLog?paperId=592649" class="button button-160"> <span class="inline-element">Read The Paper</span> </button> </div> </div> <div class="row"> </div> </div> <div class="clearfix"></div> <div class="connected-title-container"> <div class="connected-title-text semibold-middle-text">You might also be interested in these eBooks</div> <div 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Soetedjo</a> </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>Keywords:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div class="row"> <a href="/paper-keyword/biomass">Biomass</a>, <a href="/paper-keyword/delignification">Delignification</a>, <a href="/paper-keyword/ethanol">Ethanol</a>, <a href="/paper-keyword/lignocellulosic">Lignocellulosic</a>, <a href="/paper-keyword/organosolv-1">Organosolv</a>, <a href="/paper-keyword/palm-oil-waste">Palm Oil Waste</a>, <a href="/paper-keyword/pretreatment">Pretreatment</a> </div> </div> </div> </div> <div class="papers-block-info col-lg-12"> <div class="row"> <div class="info-row-name normal-text-gray col-md-2 col-sm-3 col-xs-4"> <div class="row"> <p>Export:</p> </div> </div> <div class="info-row-content semibold-middle-text col-md-10 col-sm-9 col-xs-8"> <div 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