种微藻油经水解与原位加氢脱羧制备长链烷烃的方法

• Format: Patent
• Language: Chinese
• Published: 16.03.2018
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES; CANDLES; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; CRACKING HYDROCARBON OILS; DETERGENTS; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS,OILS, OR FATTY ACIDS OBTAINED THEREFROM; FATTY ACIDS FROM FATS, OILS OR WAXES; FATTY ACIDS THEREFROM; FUELS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LUBRICANTS; METALLURGY; MINERAL WAXES; ORGANIC CHEMISTRY; 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

本发明涉及种微藻油经水解与原位加氢脱羧制备长链烷烃的方法，包括如下步骤：1)微藻油和水混合后，加热发生水解反应，经处理得到C～C脂肪酸；2)将C～C脂肪酸、非贵金属催化剂、供氢剂、水起加入高温高压反应釜，加热升温至300～390℃脱羧反应1～6h；所述的非贵金属催化剂的活性组分为Cu-Ni，催化剂载体为SiO、ZrO、AlO、MgO或MWCNTs中的种。3)反应产物冷却，用有机溶剂溶解，过滤后得到液相产物和固相催化剂。本方法在高温水中以非贵金属催化剂催化微藻油水解产物原位加氢脱羧制备长链烷烃，相比现有工艺具有过程简单，零氢耗，催化剂成本低的优点，其次，本发明方法中长链烷烃的总质量收率可达75.6％以上。 The invention relates to a method for preparing long-chain alkane through hydrolysis and in-situ hydrogenation and decarboxylation of micro-algal oil. The method comprises the following steps: 1) mixing the micro-algal oil and water, heating the mixture to generate a hydrolysis reaction, and treating to obtain C10-C22 fatty acid; 2) adding the C10-C22 fatty acid, a non-noble metal catalyst, a hydrogen donor and water into a high-temperature high-pressure reaction kettle together, and heating the mixture to 300 to 390 DEG C to perform a decarboxylation reaction for 1 to 6 hours, wherein the active ingredient of the non-noble metal catalyst is Cu-Ni, and a catalyst carrier is one of SiO2, ZrO2, Al2O3, MgO or MW