Gemini‐type cationic surfactant‐directed synthesis of hollow ZSM‐5 zeolite with intracrystalline mesopores and its application in the hydroxylation of phenol

Shen Yu; Wang Fumin; Han Zongzhuang; Zhang Xubin

摘要

Abstract <section xml:id="jctb5501-sec-0001" numbered="no"> <title type="main">BACKGROUND >ZSM‐5 zeolites are of great importance in industrial catalysis. However, the diffusion limitations caused by small pore opening restrict the extent of catalytic conversions over conventional ZSM‐5. Many studies have shown that mass transfer in zeolite channels can be improved by controlling the morphology or creating additional mesoporosity. Here, the catalytic performance is further improved by the creation of hollow structure and intracrystalline mesopores in ZSM‐5 zeolite. </section> <section xml:id="jctb5501-sec-0002" numbered="no"> <title type="main">RESULTS >The characterization results demonstrated that hollow ZSM‐5 with intracrystalline mesopores can be synthesized by using a simple one‐step hydrothermal strategy with a commercial gemini‐type cationic surfactant containing hydrophilic hydroxyl groups. Compared with the Fe‐substituted conventional ZSM‐5, the Fe‐substituted hollow ZSM‐5 with intracrystalline mesopores show remarkably enhanced catalytic performance in the hydroxylation of phenol. About 52.2% conversion of phenol can be obtained with almost 96.8% selectivity to dihydroxybenzenes. The catalytic activity remained almost unchanged after five cycles. </section> <section xml:id="jctb5501-sec-0003" numbered="no"> <title type="main">CONCLUSION >The newly created hollow structure and intracrystalline mesopores in ZSM‐5 zeolite showed enhanced catalytic activity and reusability for the hydroxylation of phenol, which is higher than most reported systems. The prepared catalyst is a promising alternative material for the hydroxylation of phenol. ? 2017 Society of Chemical Industry </section> </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 XMLNS =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> <section XML：ID =“JCTB5501-SEC-0001”编号=“否”> <标题类型=“main”>背景</标题> > ZSM-5 Zeolites在工业催化中非常重要。然而，由小孔隙开口引起的扩散限制限制了常规ZSM-5上催化转化的程度。许多研究表明，通过控制形态或产生额外的沟槽，可以提高沸石通道中的传质。这里，通过在ZSM-5沸石中产生中空结构和脑啡肽中孔进一步改善催化性能。</ p> </ section> <章节XML：ID =“JCTB5501-SEC-0002”编号=“否”> <标题类型=“main”>结果</标题> >表征结果证明，通过使用含有亲水性的商业双子型阳离子表面活性剂的简单的一步水热策略，可以合成中空ZSM-5。用简单的一步水热策略合成。羟基。与Fe取代的常规ZSM-5相比，具有脑啡肽内孔的Fe取代的中空ZSM-5显示出苯酚的羟基化中的显着增强的催化性能。约52.2％的苯酚转化可以获得近96.8％对二羟基苯的选择性。五个循环后催化活性几乎保持不变。</ p> </ section> <section =“JCTB5501-SEC-0003”编号=“否”> <标题类型=“main”>结论</ title> ZSM-5沸石中的新产生的中空结构和内丙烯酮孔表达了增强的催化活性和苯酚的羟基化的可重用性，其高于大多数报道的系统。制备的催化剂是苯酚的羟基化的有希望的替代材料。还2017化学工业学会</ p> </段> </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-33908/'>《Journal of Chemical Technology & Biotechnology 》</a> <b style="margin: 0 2px;">|</b><span>2018年第5期</span><b style="margin: 0 2px;">|</b> <span>共12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=Shen Yu&option=202" target="_blank" rel="nofollow">Shen Yu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Fumin&option=202" target="_blank" rel="nofollow">Wang Fumin;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Han Zongzhuang&option=202" target="_blank" rel="nofollow">Han Zongzhuang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhang Xubin&option=202" target="_blank" rel="nofollow">Zhang Xubin;</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>School of Chemical Engineering and TechnologyTianjin UniversityTianjin China;</p> <p>School of Chemical Engineering and TechnologyTianjin UniversityTianjin China;</p> <p>School of Chemical Engineering and TechnologyTianjin UniversityTianjin China;</p> <p>School of Chemical Engineering and TechnologyTianjin UniversityTianjin China;</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/180.html" title="生物工程学（生物技术）">生物工程学（生物技术） ;</a> <a href="https://www.zhangqiaokeyan.com/clc/20827.html" title="生物化学过程">生物化学过程 ;</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=ZSM‐5&option=203" rel="nofollow">ZSM‐5;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hollow structure&option=203" rel="nofollow">hollow structure;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=intracrystalline mesopores&option=203" rel="nofollow">intracrystalline mesopores;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=phenol hydroxylation&option=203" rel="nofollow">phenol hydroxylation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=dihydroxybenzenes&option=203" rel="nofollow">dihydroxybenzenes;</a> </p> <div class="translation"> 机译：ZSM-5;中空结构;胆碱中孔;苯酚羟基化;二羟基苯; </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/0704025422844.html">Gemini‐type cationic surfactant‐directed synthesis of hollow ZSM‐5 zeolite with 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href="/journal-cn-28399/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 催化学报 </a> </span> <span> . 2005</span><span> ,第002期</span> </span> </div> </li> <li> <div> <b>6. </b><a class="enjiyixqcontent" href="/academic-conference-cn_meeting-33433_thesis/02022840661.html">含AlMCM-41中孔沸石合成过程中铝源的影响</a> <b>[C]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . </a> <span> <a href="/conference-cn-33433/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第九届全国催化学术会议 </a> <span> <span> . 1998</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020315996035.html">多级孔ZSM-5沸石分子筛的可控设计及其在苯酚羟基化中的应用</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=沈宇&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 沈宇</a> <span> . 2019</span> </span> 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