Method for simultaneously preparing long-chain alkanes and aromatics from oleic acid

• Main Authors: FU JIE, OUYANG PINGKAI, LYU XIUYANG, TIAN QIURONG
• Format: Patent
• Language: Chinese; English
• Published: 15.06.2016
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CRACKING HYDROCARBON OILS; FUELS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LUBRICANTS; METALLURGY; MINERAL WAXES; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; TECHNICAL GASES CONTAINING CARBON MONOXIDE; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The invention relates to a method for simultaneously preparing long-chain alkanes and aromatics from oleic acid. The method comprises the following steps: 1) adding oleic acid and a catalyst into a high-temperature high-pressure reaction kettle, and heating to react, wherein the catalyst is Pt/C; and 2) cooling the reaction product, dissolving the reaction product in an organic solvent, and filtering, thereby obtaining a liquid-phase product and a solid-phase catalyst. In the preparation method, no hydrogen, hydrogen donor or solvent is added, and the oleic acid is synthesized into the long-chain alkanes and aromatics under the catalytic action of Pt/C by one step; and the yields can respectively reach more than 72% and 19%. 本发明涉及一种以油酸为原料同时制备长链烷烃和芳烃的方法，包括如下步骤：1)在高温高压反应釜中加入油酸和催化剂，加热升温反应；所述的催化剂为Pt/C；2)反应产物冷却，有机溶剂溶解，过滤后得到液相产物和固相催化剂。上述制备方法中不外加任何氢气、供氢剂或者溶剂，利用油酸和Pt/C的催化作用一步合成长链烷烃和芳烃，收率可分别达72％和19％以上。