液态精馏层技术制备马达燃料甲醛酯及其制备方法

• Format: Patent
• Language: Chinese
• Published: 24.08.2016
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LIQUEFIED PETROLEUM GAS; LUBRICANTS; METALLURGY; NATURAL GAS; ORGANIC CHEMISTRY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; 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

本发明涉及种液态精馏层技术制备的甲醛酯及其制备方法。当前国内科研机构和企采用催化精馏技术，需要40-50块塔板数的精馏塔方能脱去水和乙醇，生产成本高，耗能多；受当前市场推广乙醇汽油和甲醇汽油的启发，对利用乙醇和甲醛通过缩醛化反应制备具有醇醚特性的甲醛酯；甲醛酯别名是二乙氧基甲烷简称DEM，DEM自身的分子结构和特性使得它在有机合成领域用途广泛。种马达碳氢燃料甲醛酯，其组成包括：甲醛酯、乙醇和水，所述的甲醛酯重量份数70--90、所述的乙醇重量份数10-30，所述的水重量份数0.5甲醛酯、乙醇的摩尔比2.2-3.0:1。本发明用于工业领域。