Multiple response optimization of alkaline pretreatment of sisal fiber (Agave sisalana) assisted by ultrasound

Brito Jeane Q. A.; Dias Fábio De S.; Cunha Silvio; Ramos Luiz P.; Teixeira Leonardo S. G.

摘要

Abstract > A procedure for the alkaline pretreatment of sisal fiber assisted by ultrasound was optimized to obtain a higher solubilization of hemicellulose and the removal of lignin with cellulose fraction maintenance. A full factorial design 2 3 was used for the evaluation of the effects of the variables (sonication time, NaOH concentration, and sonication amplitude) on the pretreatment. The optimal values for the variables using the Doehlert matrix for the sonication time, NaOH concentration, and sonication amplitude were 27?min, 4.1% (m/v), and 50%, respectively. The X‐ray diffractometry and scanning electron microscopy analyses, after pretreatment, showed changes in chemical structure and morphology due to the removal of 82% of hemicellulose and 86% of lignin from sisal fiber. The soft reaction conditions and relatively short times demonstrated the effectiveness of the combined action of ultrasound with alkaline pretreatment to improve the accessibility to cellulose in this important step of the ethanol production process from biomass. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> > 优化了通过超声波辅助Sisal纤维的碱性预处理的方法，以获得高溶解的半纤维素，并通过纤维素级分维持去除木质素。一个完整的因素设计2 3 </ sup> 用于评估变量（超声时间，NaOH浓度和超声波幅度）对预处理的影响。使用十号矩阵的变量对于超声处理时间，NaOH浓度和超声幅度的变量的最佳值分别为27？min，4.1％（m / v）和50％。在预处理后，X射线衍射测定和扫描电子显微镜分析显示了化学结构和形态的变化，由于除去82％的半纤维素和86％的剑麻纤维。软反应条件和相对较短的时间证明了超声波与碱性预处理的合并作用的有效性，以改善乙醇生产过程的乙醇生产过程中的纤维素的可用性。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-15005/'>《Biotechnology Progress》</a> <b style="margin: 0 2px;">|</b><span>2019年第3期</span><b style="margin: 0 2px;">|</b><span>共9页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Brito Jeane Q. A.&option=202" target="_blank" rel="nofollow">Brito Jeane Q. A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dias Fábio De S.&option=202" target="_blank" rel="nofollow">Dias Fábio De S.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cunha Silvio&option=202" target="_blank" rel="nofollow">Cunha Silvio;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ramos Luiz P.&option=202" target="_blank" rel="nofollow">Ramos Luiz P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Teixeira Leonardo S. G.&option=202" target="_blank" rel="nofollow">Teixeira Leonardo S. G.;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Instituto de Química Campus Universitário de OndinaUniversidade Federal da BahiaSalvador Bahia Brazil;</p> <p>Centro de Ciências Exatas e Tecnológicas Campus Universitário de Cruz das AlmasUniversidade Federal do Rec?ncavo da BahiaCruz das Almas Bahia Brazil;</p> <p>Instituto de Química Campus Universitário de OndinaUniversidade Federal da BahiaSalvador Bahia Brazil;</p> <p>Departamento de QuímicaUniversidade Federal do ParanáCuritiba Puerto Rico Brazil;</p> <p>Instituto de Química Campus Universitário de OndinaUniversidade Federal da BahiaSalvador Bahia Brazil;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/15.html" title="生物科学">生物科学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Algave sisalana&option=203" rel="nofollow">Algave sisalana;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=alkaline treatment&option=203" rel="nofollow">alkaline treatment;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=biomass&option=203" rel="nofollow">biomass;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multiple response optimization&option=203" rel="nofollow">multiple response optimization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=second generation ethanol&option=203" rel="nofollow">second generation ethanol;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=ultrasound energy&option=203" rel="nofollow">ultrasound energy;</a> </p> <div class="translation"> 机译：龙舌兰西列兰纳;碱性治疗;生物质;多重反应优化;第二代乙醇;超声能量; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/academic-journal-cn_chinese-journal-chemical-engineering_thesis/0201245354716.html">Effect of the chelating agents on bio-sorption of hexavalent chromium using Agave sisalana fibers</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=H.Bendjeffal&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">H.Bendjeffal,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=A.Djebli&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">A.Djebli,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=H.Mamine&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">H.Mamine,</a> <a href="/journal-foreign-9041/" target="_blank" rel="nofollow" class="tuijian_authcolor">中国化学工程学报（英文版） .</a> <span>2018</span><span>,第005期</span> </span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-cn_asia-pacific-tropical-biomedical-journal-english_thesis/0201278422156.html">Response surface methodology-based optimization of ultrasound-assisted extraction of β-sitosterol and lupeol from Astragalus atropilosus (roots) and validation by HPTLC method</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Perwez Alam&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Perwez Alam,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nasir A. 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Suhara Panthapulakkal</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mohini Sain&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,Mohini Sain</a> <span> <a href="/journal-cn-56220/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 材料科学与化学工程（英文） </a> </span> <span> . 2013</span><span>,第6期</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06130401315285.html">odor-neutralizing plastic screen for urinals based on biodegradable polymer from sisal fiber (agave sisalana)</a> <b>[P]</b> . <span> 外国专利：  BR102020003531A2 </span> <span> . 2020-08-11</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于来自剑麻纤维（龙舌兰sisalana）的可生物降解聚合物的小便池除臭塑料屏幕 </span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06130403980614.html">SIMULTANEOUS PRODUCTION OF ETHANOL 2G AND XYLITOL FROM SISAL FIBER AND PACKAGING (AGAVE SISALANA)</a> <b>[P]</b> . <span> 外国专利：  BR102017027916A2 </span> <span> . 2019-07-09</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：从剑麻纤维和包装中同时生产乙醇2G和木糖醇（龙舌兰SISALANA） </span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130403980913.html">PROCESS OF REMOVAL OF FERMENTATION INHIBITORS USING ACTIVE VEGETABLE CHARCOAL FROM THE SISAL BAGA (AGAVE SISALANA)</a> <b>[P]</b> . <span> 外国专利：  BR102017024444A2 </span> <span> . 2019-06-04</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：用剑麻中的活性蔬菜木炭去除发酵抑制剂的过程 </span> </p> </li> </ul> </div> </div> </div> <div class="theme 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