发明名称 |
PROCESS FOR PRODUCING METHYLTERBUTYL ESTER |
摘要 |
1532477 Separating isobutylene by selective reaction MAGYAR ASVANYOLAJ ES FOLDGAZ KISERLETI INTEZET 7 Oct 1976 [29 Oct 1975] 41688/76 Heading C5E [Also in Division C2] Isobutylene is removed as methly t-butyl ether from mixtures containing predominantly isobutylene and other C 4 hydrocarbons by reacting with a stoichiometric excess of the required quantity of methanol in the presence of sulphuric acid catalyst in a homogeneous liquid phase at 50-120‹ C.; after the reaction the mixture is cooled to between -25 and +40‹ C. and a quantity of reaction product from which methanol has been removed and/or a quantity of a C 4 fraction free ofisobutene obtained in the process is added; the sulphuric acid phase which then separates is recirculated to the reaction, and methanol and methyl t-butyl ether are isolated by aqueous washing and distilling the residual mixture which contains sulphuric acid in a reduced quantity. The C 4 hydrocarbon mixtures may be a fraction derived from a catalytic cracking process or from the pyrolysis of gasoline, and may contain butadiene as well as butanes and butenes. |
申请公布号 |
SU915797(A3) |
申请公布日期 |
1982.03.23 |
申请号 |
SU19762414047 |
申请日期 |
1976.10.21 |
申请人 |
MADYAR ASHVANOLAJ ESH FELUGAZ KISHERLETI INTUET(INOPREDPRIYATIE) |
发明人 |
YANOSH LAK,HU;REZHE CHIKOSH,HU;LAJOSH PETERFI,HU;ISHTVAN PALLAJ,HU;LAJOSH SVETELSKI,HU |
分类号 |
C07C41/05;C07C1/00;C07C7/148;C07C7/17;C07C11/09;C07C41/00;C07C41/06;C07C43/04;C07C67/00;(IPC1-7):C07C11/02 |
主分类号 |
C07C41/05 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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