Supercritical CO        <sub >2</sub>2        Assisted Preparation of Supported Molybdenum Phosphide for Hydrotreating Catalysis

摘要

Abstract > Many studies in literature have reported supported metal phosphides as promising hydrotreating catalysts. The synthesis of highly dispersed metal phosphide nanoparticles is usually achieved tuning various parameters such as the nature of the phosphorous precursor or the reduction protocol. In this study, the alumina supported molybdenum phosphides were prepared following a newly developed method using supercritical fluids (SCFs) technology including several elementary steps: incipient wetness impregnation and ageing, supercritical CO <sub>2</sub> flash‐drying, followed by hydrogen reduction. Experimental parameters allowed us modulating main characteristics of catalysts: crystallinity, reducibility, nanoparticles (NPs) mean size and size distribution. High temperature treatments (400?°C) in scCO <sub>2</sub> media lead to the presence of heteropolyanions unlike what is observed in conventional treatment under air. Catalytic performances in selective hydrodesulfurization of methyl‐3‐thiophene, in presence of 2,3‐dimethylbut‐2‐ene, have been assessed and were improved in terms of activity or selectivity compared to MoP and CoMoS reference catalysts, respectively. </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> > 文献中的许多研究报告了负载金属磷酸作为有前途的加氢处理催化剂。高度分散的金属磷化物纳米粒子的合成通常达到调节各种参数，例如磷前体或还原方案的性质。在本研究中，通过包括几个基本步骤的新开发的方法，制备氧化铝支持的磷化钼磷化钼磷脂，包括几个基本步骤：初期湿润浸渍和老化，超临界CO <sub> 2 </ sub> 闪蒸，然后减少氢气。实验参数允许美国调节催化剂的主要特征：结晶度，再加性，纳米颗粒（NPS）平均尺寸和尺寸分布。 SCCO中的高温处理（400？°C） <sub> 2 </ sub> 培养基导致存在杂阳极，与空气中的常规治疗中观察到的内容不同。在2,3-二甲基丁基-2-烯的存在下，催化性能在甲基-3-噻吩的存在下，分别与拖把和COMOS参考催化剂相比，在活性或选择性方面得到改善。 </ 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-16041/'>《ChemCatChem 》</a> <b style="margin: 0 2px;">|</b><span>2017年第12期</span><b style="margin: 0 2px;">|</b> <span>共6页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> </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"> </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/1186.html" title="物理化学（理论化学）、化学物理学">物理化学（理论化学）、化学物理学 ;</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=heterogeneous catalysis&option=203" rel="nofollow">heterogeneous catalysis;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=hydrodesulfurization&option=203" rel="nofollow">hydrodesulfurization;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=molybdenum&option=203" rel="nofollow">molybdenum;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=phosphides&option=203" rel="nofollow">phosphides;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=supercritical fluids&option=203" rel="nofollow">supercritical fluids;</a> </p> <div class="translation"> 机译：异质催化;加氢脱硫;钼;磷化物;超临界流体; 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href="/journal-cn-9180/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 燃料化学学报 </a> </span> <span> . 2009</span><span> ,第004期</span> </span> </div> </li> <li> <div> <b>6. </b><a class="enjiyixqcontent" href="/academic-conference-cn_meeting-58968_thesis/020222568348.html">负载型磷化钼催化剂用于二苯并噻吩和喹啉体系加氢活性的研究</a> <b>[C]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=李庆杰&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 李庆杰</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=李凤艳&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,李凤艳</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=孙桂大&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,孙桂大</a> <span> <a href="/conference-cn-58968/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第十二届全国催化学术会议 </a> <span> <span> . 2004</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020313331076.html">以二氧化硅为负载的含钛磷化钼催化剂的制备及其加氢脱氮反应性能的研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张昆&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 张昆</a> <span> . 2008</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/061203313165.html">用于加氢处理或加氢裂化的基于钼的催化剂的制备方法</a> <b>[P]</b> . <span> 中国专利： CN104128189B </span> <span> . 2019.05.07</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120102731599.html">用于加氢处理或加氢裂化的基于钼的催化剂的制备方法</a> <b>[P]</b> . <span> 中国专利： CN104128189A </span> <span> . 2014-11-05</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130468509576.html">BULK AND SUPPORTED, SELF-PROMOTED MOLYBDENUM AND TUNGSTEN SULFIDE CATALYSTS FORMED FROM BIS(TETRATHIOMETALLATE) PRECURSORS AND THEIR PREPARATION AND USE FOR HYDROTREATING</a> <b>[P]</b> . <span> 外国专利：  DE3472569D1 </span> <span> . 1988-08-11</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：由双（四硫代甲酸酯）前驱体制成的块状和支撑的，自促进的钼和钨硫化物催化剂及其制备和用于加氢处理 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130468704145.html">Bulk and supported, self-promoted molybdenum and tungsten sulfide catalysts formed from bis(tetrathiometallate) precursors and their preparation and use for hydrotreating</a> <b>[P]</b> . <span> 外国专利：  EP0133031B1 </span> <span> . 1988-07-06</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：由双（四硫代金属盐）前体形成的块状和负载型自促进钼和钨硫化物催化剂及其制备和加氢处理用途 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130470130734.html">BULK AND SUPPORTED, SELF-PROMOTED MOLYBDENUM AND TUNGSTEN SULFIDE CATALYSTS FORMED FROM BIS(TETRATHIOMETALLATE) PRECURSORS, THEIR PREPARATION AND USE AS FOR HYDROTREATING</a> <b>[P]</b> . <span> 外国专利：  CA1218981A </span> <span> . 1987-03-10</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：由双（四硫代甲酸酯）前驱体制成的块状和支撑的，自促进的钼和钨硫化物催化剂，其制备方法和用于加氢处理的用途 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" 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Supercritical CO 22 Assisted Preparation of Supported Molybdenum Phosphide for Hydrotreating Catalysis

摘要

Supercritical CO ₂2 Assisted Preparation of Supported Molybdenum Phosphide for Hydrotreating Catalysis