Selective Microwave‐Assisted Pyrolysis of Cellulose towards Levoglucosenone with Clay Catalysts

Doroshenko Alisa; Pylypenko Ihor; Heaton Karl; Cowling Stephen; Clark James; Budarin Vitaliy

摘要

Abstract >Levoglucosenone (anhydrosugar) is one of the most promising chemical platforms derived from the pyrolysis of biomass. It is a chiral building block for pharmaceuticals as well as an intermediate in the production of solvents and polymers. Therefore, the development of cost‐efficient, low‐energy production methods is vital for a future sustainable biorefinery. Here, a novel, green approach to the production of levoglucosenone was developed by using a microwave (MW)‐assisted pyrolysis of cellulose in the presence of readily available clays. It was shown that natural and pillared clays in the presence of MW irradiation significantly increase the yield of levoglucosenone from cellulose. Both the water content and the presence of acid centres are critical characteristics that influence the yield and distribution of catalysed products. A unique experiment was designed by using a synergetic effect between different types of catalysts, which enhanced the levoglucosenone yield to 12.3?wt?% with 63?% purity. </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> Levoglucosonone（AnhydroSugar）是源自生物质热解之一的最有前途的化学平台之一。它是药品的手性积木以及溶剂和聚合物的生产中中间体。因此，开发成本效益，低能源生产方法对于未来可持续的生物术语至关重要。这里，通过使用易于可用的粘土的纤维素的微波（MW）族纤维素的微波（MW）释放热解，开发了一种新颖的绿色方法。结果表明，MW辐射存在下的天然和柱状粘土显着提高了纤维素左葡聚糖酮的产率。含水量和酸中心的存在是影响催化产品产量和分布的关键特征。通过使用不同类型的催化剂之间的协同效应来设计独特的实验，该催化剂增强了左旋葡聚变酮产率为12.3μl≤1％，纯度为63Ω·％。</ 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-16185/'>《ChemSusChem》</a> <b style="margin: 0 2px;">|</b><span>2019年第24期</span><b style="margin: 0 2px;">|</b><span>共4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=Doroshenko Alisa&option=202" target="_blank" rel="nofollow">Doroshenko Alisa;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pylypenko Ihor&option=202" target="_blank" rel="nofollow">Pylypenko Ihor;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Heaton Karl&option=202" target="_blank" rel="nofollow">Heaton Karl;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Cowling Stephen&option=202" target="_blank" rel="nofollow">Cowling Stephen;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Clark James&option=202" target="_blank" rel="nofollow">Clark James;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Budarin Vitaliy&option=202" target="_blank" rel="nofollow">Budarin Vitaliy;</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>Green Chemistry Centre of ExcellenceUniversity of YorkHeslington York YO10 5DD UK;</p> <p>Department of Chemical Technology of Ceramic and GlassThe National Technical University of UkrainePeremohy Ace 37 Kyiv 03056 Ukraine;</p> <p>MS ServiceUniversity of YorkHeslington York YO10 5DD UK;</p> <p>Liquid Crystals and Materials Chemistry GroupUniversity of YorkHeslington York YO10 5DD UK;</p> <p>Green Chemistry Centre of ExcellenceUniversity of YorkHeslington York YO10 5DD UK;</p> <p>Green Chemistry Centre of ExcellenceUniversity of YorkHeslington York YO10 5DD UK;</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/159.html" title="化学">化学;</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=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=cellulose&option=203" rel="nofollow">cellulose;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=clays&option=203" rel="nofollow">clays;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=microwave chemistry&option=203" rel="nofollow">microwave chemistry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=pyrolysis&option=203" rel="nofollow">pyrolysis;</a> </p> <div class="translation"> 机译：生物质;纤维素;粘土;微波化学;热解; </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="/journal-foreign-detail/0704022095755.html">Selective Microwave‐Assisted Pyrolysis of Cellulose towards Levoglucosenone with Clay Catalysts</a> <b>[J]</b> . <span> <a 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