{"id":2755,"date":"2016-01-30T13:57:30","date_gmt":"2016-01-30T05:57:30","guid":{"rendered":"http:\/\/brg.groups.xtbg.ac.cn\/?p=2755"},"modified":"2020-12-31T19:47:31","modified_gmt":"2020-12-31T11:47:31","slug":"%e8%b6%85%e9%a1%ba%e7%a3%81%e9%85%b8%e7%a2%b1%e5%8f%8c%e5%8a%9f%e8%83%bd%e7%ba%b3%e7%b1%b3zrfeox%e5%82%ac%e5%8c%96%e5%89%82%e7%9a%84%e5%90%88%e6%88%90%e5%8f%8a%e7%94%a8%e4%bb%a5%e7%94%9f%e4%ba%a7","status":"publish","type":"post","link":"https:\/\/woodrefinery.com\/zhenfang\/%e8%b6%85%e9%a1%ba%e7%a3%81%e9%85%b8%e7%a2%b1%e5%8f%8c%e5%8a%9f%e8%83%bd%e7%ba%b3%e7%b1%b3zrfeox%e5%82%ac%e5%8c%96%e5%89%82%e7%9a%84%e5%90%88%e6%88%90%e5%8f%8a%e7%94%a8%e4%bb%a5%e7%94%9f%e4%ba%a7\/","title":{"rendered":"\u8d85\u987a\u78c1\u9178\u78b1\u53cc\u529f\u80fd\u7eb3\u7c73ZrFeOx\u50ac\u5316\u5242\u7684\u5408\u6210\u53ca\u7528\u4ee5\u751f\u4ea7\u751f\u7269\u71c3\u6599"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>\u8d85\u987a\u78c1\u9178\u78b1\u53cc\u529f\u80fd\u7eb3\u7c73<\/strong>ZrFeOx<strong>\u50ac\u5316\u5242\u7684\u5408\u6210\u53ca\u7528\u4ee5\u751f\u4ea7\u751f\u7269\u71c3\u6599<\/strong><\/p>\n<p style=\"text-align: justify;\">\u9178\u78b1\u53cc\u529f\u80fd\u7eb3\u7c73\u9897\u7c92\u5e7f\u6cdb\u7528\u6765\u5408\u6210\u751f\u7269\u71c3\u6599\u548c\u9ad8\u9644\u52a0\u503c\u7684\u5316\u5b66\u54c1\u3002\u7279\u522b\u662f\u78c1\u6027\u7eb3\u7c73\u91d1\u5c5e\u6c27\u5316\u7269\uff0c\u6d3b\u6027\u9ad8\u53ef\u4e00\u9505\u6cd5\u751f\u4ea7\u751f\u7269\u71c3\u6599\uff0c\u6613\u4e8e\u56de\u6536\u548c\u91cd\u590d\u5229\u7528\u3002<\/p>\n<p style=\"text-align: justify;\">\u751f\u7269\u80fd\u6e90\u7ec4\u4e0e\u8d35\u5dde\u5927\u5b66\u8054\u5408\u57f9\u517b\u7684\u535a\u58eb\u751f\u674e\u864e\u5728\u5bfc\u5e08\u6768\u677e\u6559\u6388\u548c\u65b9\u771f\u7814\u7a76\u5458\u7684\u6307\u5bfc\u4e0b\uff0c\u901a\u8fc7\u6eb6\u5242\u70ed\u5904\u7406\u548c\u6c34\u89e3\u7f29\u5408\u7684\u4e24\u6b65\u6cd5\u5408\u6210\u9178\u78b1\u53cc\u529f\u80fd\u7684\u8d85\u987a\u78c1\u6027\u7eb3\u7c73\u9897\u7c92\u3002\u5408\u6210\u7684ZrFeOx\u7eb3\u7c73\u9897\u7c92\u5927\u7ea6\u4e3a12 nm, \u4e2d\u5fc3\u4e3aFe<sub>3<\/sub>O<sub>4<\/sub>\u7eb3\u7c73\u9897\u7c92(\u4f5c\u4e3a\u78c1\u6838)\uff0c\u5176\u5916\u9762\u8986\u76d6\u4e86\u4e00\u5c420.65 nm\u539a\u7684ZrO<sub>2<\/sub>\u3002ZrFeOx\u7eb3\u7c73\u9897\u7c92\u5177\u6709\u5206\u5e03\u826f\u597d\u7684\u9178\u78b1\u542b\u91cf(0.39 <em>vs.<\/em> 0.28 mmol\/g)\uff0c\u9002\u5ea6\u7684\u8868\u9762\u79ef(181 m<sup>2<\/sup>\/g)\uff0c\u5b54\u5f84(9.8 nm)\u548c\u8f83\u5f3a\u7684\u78c1\u6027(35.4 Am<sup>2<\/sup> kg<sup>\u22121<\/sup>)\u3002ZrFeOx\u7eb3\u7c73\u9897\u7c92\u5728\u4e59\u9187\u4e2d\uff0c\u8fdb\u4e00\u6b65\u7528\u6765\u50ac\u5316\u4e59\u9170\u4e19\u9178\u4e59\u916f\u8f6c\u6362\u4e3a\u03b3\u620a\u5185\u916f(GVL): \u5728230 \u00baC\uff0c\u53cd\u5e943\u5c0f\u65f6\uff0cGVL\u4ea7\u7387\u53ef\u9ad8\u8fbe87.2\uff05\u3002\u8be5\u7eb3\u7c73\u50ac\u5316\u5242\u4e0e\u56fa\u4f53\u9178HY2.6\u7ec4\u5408\uff0c\u53ef\u5c06\u7cd6\u76f4\u63a5\u8f6c\u5316\u4e3aGVL\uff0c\u5f97\u5230\u9002\u4e2d\u4ea7\u7387\uff08\u7ea645\uff05\uff09\u3002\u6b64\u5916\uff0c\u78c1\u6027ZrFeOx\u7eb3\u7c73\u9897\u7c92\u53ef\u5f88\u65b9\u4fbf\u5730\u7531\u78c1\u94c1\u56de\u6536\uff0c\u53ef\u8fdb\u884c\u81f3\u5c11\u516d\u6b21\u7684\u91cd\u590d\u5229\u7528\u3002<\/p>\n<p style=\"text-align: justify;\">\u7965\u60c5\u53ef\u89c1\uff1a<\/p>\n<p style=\"text-align: justify;\">H Li, <strong>Zhen Fang*<\/strong>, S Yang, Direct Conversion of Sugars and Ethyl Levulinate into \u03b3-Valerolactone with Superparamagnetic Acid-Base Bifunctional ZrFeOx Nanocatalysts, <u>ACS Sustainable Chemistry &amp; Engineering<\/u>, <strong>4(1)<\/strong>, 236-246 (<strong>2016).<\/strong><br \/>\n<strong>Synthesis of Superparamagnetic Acid\u2212Base Bifunctional ZrFeOx Nanocatalyst for Biomass Conversion<\/strong><\/p>\n<p style=\"text-align: justify;\">Acid\u2212base bifunctional nanocatalysts can directly on-pot produce biofuels and chemical from biomass. Particularly, some magnetic metal oxides that are active and recyclable.<\/p>\n<p style=\"text-align: justify;\">Mr. Hu Li, a PhD student, co-supervised by Prof. Song Yang (Guizhou University) and Prof. Zhen FANG (Biomass Group, Xishuangbanna Tropical Botanical Garden, CAS) successfully synthesized bifunctional ZrFeOx nanocatalyst for biomass conversions.<\/p>\n<p style=\"text-align: justify;\">In their work, acid-base bifunctional superparamagnetic FeZrO<em><sub>x<\/sub><\/em> nanoparticles were synthesized via a two-step process of solvothermal treatment and hydrolysis-condensation, and were further employed to catalyze the conversion of ethyl levulinate (EL) to <em>\u03b3<\/em>-valerolactone (GVL) using ethanol as both H-donor and solvent. ZrFeO(1:3)-300 nanoparticles (12.7 nm) with Fe<sub>3<\/sub>O<sub>4<\/sub> core covered by ZrO<sub>2<\/sub> layer (0.65 nm thickness) having well- distributed acid-base sites (0.39 <em>vs.<\/em> 0.28 mmol\/g), moderate surface area (181 m<sup>2<\/sup>\/g), pore size (9.8 nm) and strong magnetism (35.4 Am<sup>2<\/sup> kg<sup>\u22121<\/sup>) exhibited superior catalytic performance, giving a high GVL yield of 87.2% at 230 \u00baC in 3 h. The combination of the nanoparticles with solid acid HY2.6 promoted the direct transformation of sugars to produce GVL in moderate yield (around 45%). Moreover, the nanocatalyst was easily recovered by a magnet for six cycles with an average GVL yield of 83.9% from EL.<\/p>\n<p style=\"text-align: justify;\">The study was published:<\/p>\n<p style=\"text-align: justify;\">H Li, <strong>Zhen Fang*<\/strong>, S Yang, Direct Conversion of Sugars and Ethyl Levulinate into \u03b3-Valerolactone with Superparamagnetic Acid-Base Bifunctional ZrFeOx Nanocatalysts, <u>ACS Sustainable Chemistry &amp; Engineering<\/u>, <strong>4(1)<\/strong>, 236-246 (<strong>2016).<\/strong><\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/woodrefinery.com\/zhenfang\/wp-content\/uploads\/2016\/01\/Presentation11.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-2756\" src=\"https:\/\/woodrefinery.com\/zhenfang\/wp-content\/uploads\/2016\/01\/Presentation11.jpg\" alt=\"Presentation1\" width=\"500\" height=\"152\" srcset=\"https:\/\/woodrefinery.com\/zhenfang\/wp-content\/uploads\/2016\/01\/Presentation11.jpg 635w, https:\/\/woodrefinery.com\/zhenfang\/wp-content\/uploads\/2016\/01\/Presentation11-300x91.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><strong><br \/>\n<\/strong>TEM images of ZrFeOx nanocatalyst<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8d85\u987a\u78c1\u9178\u78b1\u53cc\u529f\u80fd\u7eb3\u7c73ZrFeOx\u50ac\u5316\u5242\u7684\u5408\u6210\u53ca\u7528\u4ee5\u751f\u4ea7\u751f\u7269\u71c3\u6599 \u9178\u78b1\u53cc\u529f\u80fd\u7eb3\u7c73\u9897\u7c92\u5e7f\u6cdb\u7528\u6765\u5408\u6210\u751f\u7269\u71c3\u6599\u548c\u9ad8\u9644\u52a0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/posts\/2755"}],"collection":[{"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/comments?post=2755"}],"version-history":[{"count":2,"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/posts\/2755\/revisions"}],"predecessor-version":[{"id":4280,"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/posts\/2755\/revisions\/4280"}],"wp:attachment":[{"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/media?parent=2755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/categories?post=2755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/woodrefinery.com\/zhenfang\/wp-json\/wp\/v2\/tags?post=2755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}