高比表面积活性炭载体结构对乙炔法合成醋酸乙烯催化剂活性的影响  被引量:13

fect of Support Structure on Catalyst Activity of High Specific Surface Area Activated Carbon Catalysts for Vinyl Acetate Synthesis</em> <p class='article-op'> <span id="bdshare" class="bdshare_t bds_tools get-codes-bdshare baidufx"><span><span class="bds_more" style="display: block; width: 62px; height: 29px; background: url(/images/share.gif) no-repeat!important; padding: 0;"></span></span></span> </p> <p class="article-source"> <a href ='/article/read.aspx?id=10346875' class='btnTitle btnIsView' target='_blank'><img alt='在线阅读' src='/images/btn-read.png'/></a><a class='btnTitle btnIsView' href="javascript:showdown('12aE013l9ZaUwvYmEV0+8UwhsGzwuOHgnjR5vBt5XEc=')"><img alt="下载全文" src="/images/btn-down.png" /></a> <input id="hiddowninfo" type="hidden" value="12aE013l9ZaUwvYmEV0+8UwhsGzwuOHgnjR5vBt5XEc="/> </p> <div class="collect" style="display: none"> <h5>我的收藏</h5> <div class="cnt"> <p> 名 称:<input type="text" name="collTitle" id="collSumTitle" /> </p> <p> 注 释:<input type="text" name="collRemark" id="collSumRemark" /> </p> <p style="text-align: center;"> <a href="javascript:void(0)" onclick="g_collectSumOk();"> <img width="65" height="17" src="/images_new/collect_ok.png" alt="完成" /></a> <a href="javascript:void(0)" onclick="g_collectSumCancel();"> <img width="65" height="17" src="/images_new/collect_no.png" alt="取消" /></a> </p> </div> </div> </div> <form name="wxTransfer" method="post"> <input type="hidden" name="lid" value="" /> <input type="hidden" name="sip" value="" /> <input type="hidden" name="date" value="" /> <input type="hidden" name="co" value="" /> <input type="hidden" name="Title_C" value="" /> <input type="hidden" name="Writers" value="" /> <input type="hidden" name="Name_C" value="" /> <input type="hidden" name="Num" value="" /> <input type="hidden" name="Years" value="" /> <input type="hidden" name="Volumn" value="" /> <input type="hidden" name="GCH" value="" /> <input type="hidden" name="Vol" value="" /> <input type="hidden" name="BookID" value="" /> <input type="hidden" name="SubjectNum" value="" /> <input type="hidden" name="SpecialNum" value="" /> <input type="hidden" name="mirrorName" value="" /> <input type="hidden" name="UserID" value="" /> <input type="hidden" name="UserName" value="" /> <input type="hidden" name="sourceID" value="" /> </form> <script type="text/javascript" src="/scripts/transfer.min.js"></script> <div class="article-detail"> <p class='author'><strong>作  者:</strong><a href='/writer/article.aspx?id=100000009101343' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e5%91%a8%e6%a1%82%e6%9e%97%5d' title='周桂林[1]'>周桂林[1]</a> <a href='/writer/article.aspx?id=100000002418432' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e8%92%8b%e6%af%85%5d' title='蒋毅[1]'>蒋毅[1]</a> <a href='/writer/article.aspx?id=100000009968782' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e5%90%95%e7%bb%8d%e6%b4%81%5d' title='吕绍洁[1]'>吕绍洁[1]</a> <a href='/writer/article.aspx?id=100000003033599' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e6%9d%8e%e5%ad%90%e5%81%a5%5d' title='李子健[1]'>李子健[1]</a> <a href='/writer/article.aspx?id=100000010577278' target='_blank' ><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=A%3d%5b%e9%82%b1%e5%8f%91%e7%a4%bc%5d' title='邱发礼[1]'>邱发礼[1]</a> <em> </em></p><p class='organ'><strong>机构地区:</strong><a href='/organ/article.aspx?id=18889&subid=&showname=&searchtype=' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=S%3d%e4%b8%ad%e5%9b%bd%e7%a7%91%e5%ad%a6%e9%99%a2+%e6%88%90%e9%83%bd%e6%9c%89%e6%9c%ba%e5%8c%96%e5%ad%a6%e7%a0%94%e7%a9%b6%e6%89%80' title='[1]中国科学院 成都有机化学研究所,四川成都610041'>[1]中国科学院 成都有机化学研究所,四川成都610041</a> <em> </em></p><p class='from'><strong>出  处:</strong><a href='/journal/summary.aspx?gch=92242X' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=J%3d%5b%e7%9f%b3%e6%b2%b9%e5%8c%96%e5%b7%a5%5d' title='石油化工'>《石油化工》</a>2004年第7期608-611,共4页<em>Petrochemical Technology</em></p><p class='fund'><strong>基  金:</strong>中国科学院;重庆市科技成果孵化基金资助项目(002-7)。</p><p class='abstrack'><strong>摘  要:</strong>以不同的高比表面积(比表面积大于等于1 839 m2/g)活性炭为载体,在接近现有工业生产条件下研究了催化剂载体的结构对合成醋酸乙烯(VAc)生产能力的影响。实验结果表明,合成VAc的生产能力随活性炭载体比表面积的增加而增加,活性炭载体的比表面积为2 713 m2/g时催化剂的生产能力是载体比表面积为1 839 m2/g时催化剂生产能力的1.30倍;活性炭载体中孔径1-2 nm的孔对合成VAc的催化括性影响不大,孔径2-40 nm的孔对催化过程起主要作用。实验结果还表明,在空速小于360 h-1时,活性炭载体比表面积越大合成VAc的生产能力受空速的影响越大,即活性炭载体比表面积越大催化反应受扩散影响越严重;在高温(185-195℃)段,活性炭载体比表面积越大合成VAc的生产能力受温度的影响也越小。<em><abstract>fect of catalyst support structure on catalyst activity of vinyl acetate(VAc) synthesis was been studied under conditions close to industrial operation, using high specific surface area activated carbons (>1 500 m2/g) as support. The catalyst activity expressed as the productivity of VAc, defined as the mass of VAc produced per day per unit volume of catalyst, increased along with the specific surface area of activated carbon support.The productivity of a catalyst with a support having a specific surface area of 2 713 m2/g was found to be 1.30 times as high as that with a support having a specific surface area of 1 839 m2/g. Vinyl acetate catalyst activity was almost un-affected by 1-2 nm pores,but 2-40 nm pores played a major role in the synthesis. Effect of space velocity on catalyst activity of vinyl acetate enhanced with increasing specific surface area of the support, which indicated the catalytic reaction was seriously affected by diffusion. At high temperature range of 185-195℃ the productivity was less affected by increase in specific surface area of support.</em></p><p class='subject'><strong>关 键 词:</strong><a href='/subject/article.aspx?id=6991136' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e9%ab%98%e6%af%94%e8%a1%a8%e9%9d%a2%e7%a7%af%e6%b4%bb%e6%80%a7%e7%82%ad%5d' title='高比表面积活性炭'>高比表面积活性炭</a> <a href='/subject/article.aspx?id=9232564' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e5%82%ac%e5%8c%96%e5%89%82%5d' title='催化剂'>催化剂</a> <a href='/zk/search.aspx?key=K%3d%5b%e8%bd%bd%e4%bd%93%e7%bb%93%e6%9e%84%5d' title='载体结构'>载体结构</a> <a href='/subject/article.aspx?id=9228417' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e9%86%8b%e9%85%b8%e4%b9%99%e7%83%af%5d' title='醋酸乙烯'>醋酸乙烯</a> <a href='/subject/article.aspx?id=972681' target='_blank'><b class='type_ico_id'></b></a><a href='/zk/search.aspx?key=K%3d%5b%e4%b9%99%e7%82%94%5d' title='乙炔'>乙炔</a> <a href='/zk/search.aspx?key=K%3d%5b%e6%89%a9%e6%95%a3%e5%bd%b1%e5%93%8d%5d' title='扩散影响'>扩散影响</a> </p><p class='class'><strong>分 类 号:</strong><a href='/zk/search.aspx?key=C%3dTQ426.65' title='TQ426.65'>TQ426.65</a>[<a href = '/domain/article.aspx?id=12' >化学工程</a>] </p> </div> <div id="content_wzxg" name="wzxg" class="article-graph"> <object width="695" height="250" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="FlashID"> <param value="../flash/relation.swf" name="movie"> <param value="high" name="quality"> <param value="opaque" name="wmode"> <param value="6.0.65.0" name="swfversion"> <param value="dataUrl=/ajax/articlerelativegraph.ashx?id=10346875" name="flashVars"> <embed width="695" height="250" src="../flash/relation.swf" type="application/x-shockwave-flash" quality="high" wmode="opaque" flashvars="dataUrl=/ajax/articlerelativegraph.ashx?id=10346875"> </embed> </object> </div> <div class="article-relate-list"> <div class="relate-list"> <p id="ckwx_br"> </p> <h2 name="ckwx" id="ckwx">参考文献:</h2> <div id="listckwx"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> <div class="relate-list"> <p id="2jckwx_br"> </p> <h2 name="2jckwx" id="2jckwx">二级参考文献:</h2> <div id="list2jckwx"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> <div class="relate-list"> <p id="ohwx_br"> </p> <h2 name="ohwx" id="ohwx">耦合文献:</h2> <div id="listohwx"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> <div class="relate-list"> <p id="yzwx_br"> </p> <h2 name="yzwx" id="yzwx">引证文献:</h2> <div id="listyzwx"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> <div class="relate-list"> <p id="2jyzwx_br"> </p> <h2 name="2jyzwx" id="2jyzwx">二级引证文献:</h2> <div id="list2jyzwx"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> <div class="relate-list"> <p id="tbywx_br"> </p> <h2 name="tbywx" id="tbywx">同被引文献:</h2> <div id="listtbywx"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> <div class="relate-list"> <p id="xgqklw_br"> </p> <h2 name="xgqklw" id="xgqklw">相关期刊文献:</h2> <div id="listxgqklw"> <p class='submit'> <img src='/images/loading.gif' width='16' height='16' /> 正在载入数据... </p> </div> </div> </div> </div> <div class="article-about"> <div class="about-box"> <h5 class="name">相关的主题<tt><a class="hide" href="#"></a></tt></h5> <div class="about-list"> </div> </div> <div class="about-box"> <h5 class="name">相关的作者对象<tt><a class="" href="#"></a></tt></h5> <div class="about-list" style="display: none;"> </div> </div> <div class="about-box"> <h5 class="name">相关的机构对象<tt><a class="" href="#"></a></tt></h5> <div class="about-list" style="display: none;"> </div> </div> </div> </div> </div> <script type="text/javascript" src="/scripts/articlerelation.min.js"></script> <script type="text/javascript" src="/scripts/articlerightrelation.min.js"></script> <script type="text/javascript" src="/scripts/articledown.min.js"></script> <div class="layer-box download" id="downloadlayer" style="display: none"> <div class="close"> <a onclick="closedown()" href="javascript:void(0)"> <img src="/images/layer-close.png" width="21" height="21" alt="" /> </a> </div> <h5 class="layer-title">下载全文</h5> <div id="downloadinfo"></div> </div> <div class="layer-box download" id="downloadlayer2" style="display:none;min-height:100px;width:500px;"> <p> <img src="/images/loading2.gif" width="64" height="64"> <span style="font-size:20px;vertical-align:middle;padding-bottom:50px;">正在链接到云南高校图书馆文献保障联盟下载...</span> </p> </div> <script id="bdshare_js" data="type=tools&uid=0" type="text/javascript"></script> <script type="text/javascript"> $(function () { var rd = GetQueryString("rd"); if (rd == "readdown") { var val = $("#hiddowninfo").val(); showdown(val); } $("#bdshare_js").attr("src","http://bdimg.share.baidu.com/static/js/bds_s_v2.js?cdnversion="+Math.ceil(new Date() / 3600000)); }) </script> <div class="layer-bg" style="display: none;"></div> <script type="text/javascript" src="/scripts/login.min.js"></script> <div class="layer-box login" id="divLoginBox" style="display: none;"> <div class="close"><a href="javascript:void(0);" id="btnLoginClose"> <img src="/images/layer-close.png" width="21" height="21" alt="" title="关闭" /></a></div> <h5 class="layer-title">用户登录</h5> <div class="layer-cnt"> <div class="search-list adv-object"> <div class="login-alert" id="divLoginError"></div> <div class="sinput"> <div class="input"><span class="user-ico"></span> <input type="text" id="txtLUsername" name="txtLUsername" maxlength="20"></div> </div> <div class="sinput"> <div class="input"><span class="psw-ico"></span> <input type="password" id="txtLPassword" name="txtLPassword" maxlength="20"></div> </div> <div class="submit"> <input type="button" value="登录" onclick="return normalLogin(loginAfter)" name="" class="btn-s"><input value="IP登录" onclick=" return ipLogin(loginAfter)" type="button" class="btn-c"> </div> </div> </div> </div> <div id="footer"> <p> 云南高校图书馆联盟文献共享服务平台 版权所有© <script type="text/javascript"> document.write(new Date().getFullYear()); </script> </p> <p> 您的IP:216.73.216.70 </p> </div> <input id="hifBaseLog" type="hidden" value="OTIyNDJYOzEwMzQ2ODc1O1RRNDI2LjY1OzA7Oy9hcnRpY2xlL2RldGFpbC5hc3B4"/> <script type="text/javascript"> $(document).ready(function () { $("#loginLoading").load("/user/loginheader.aspx?" + Math.random()); }); </script> <script> var _hmt = _hmt || []; (function () { var hm = document.createElement("script"); hm.src = "//hm.baidu.com/hm.js?36a05ff8f5e8a5be3ff03e1d75c8a9d1"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); </script> <script> (function (i, s, o, g, r, a, m) { i['GoogleAnalyticsObject'] = r; i[r] = i[r] || function () { (i[r].q = i[r].q || []).push(arguments) }, i[r].l = 1 * new Date(); a = s.createElement(o), m = s.getElementsByTagName(o)[0]; a.async = 1; a.src = g; m.parentNode.insertBefore(a, m) })(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga'); ga('create', 'UA-2219013-37', 'auto'); ga('send', 'pageview'); </script> </body> </html>