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    MODIFIED TUBULAR REACTOR AND PROCESS FOR EFFECTING CATALYTIC REACTIONS INVOLVING THERMAL EXCHANGES IN WHICH IT IS USED
    2.
    发明公开
    MODIFIED TUBULAR REACTOR AND PROCESS FOR EFFECTING CATALYTIC REACTIONS INVOLVING THERMAL EXCHANGES IN WHICH IT IS USED 审中-公开

    公开(公告)号：EP3566768A1

    公开(公告)日：2019-11-13

    申请号：EP19180190.1

    申请日：2008-08-07

    Applicant: SAIPEM S.p.A.

    Inventor： DI GIROLAMO, Marco ,  BRIANTI, Maura ,  CONTE, Massimo

    IPC: B01J8/00 ,  B01J8/06 ,  C07C41/05 ,  C07C2/08 ,  C07C1/20

    Abstract: A tubular reactor is described, for catalytic reactions involving thermal exchanges, in particular for etherification reactions between branched olefins and linear alcohol, for dimerization reactions of branched olefins or cracking reactions, essentially consisting of a vertical tube-bundle exchanger whose tubes contain catalyst, having inlet and outlet nozzles for each passage side of the reagents, catalyst and thermal exchange liquid, characterized in that it has one or more metallic supports situated outside the lower tube plate in the lower part of the reactor for sustaining the catalyst so that the same catalyst is contained not only in the tubes of the tube-bundle but also in said lower part outside the lower tube plate and also in the upper part outside the upper tube plate.

    PROCESS FOR THE PRODUCTION OF ALKYL ETHERS BY THE ETHERIFICATION OF ISOBUTENE
    7.
    发明公开
    PROCESS FOR THE PRODUCTION OF ALKYL ETHERS BY THE ETHERIFICATION OF ISOBUTENE 审中-公开
    PROCESS FOR通过异丁烯醚化PRODUCING烷基醚

    公开(公告)号：EP2041058A1

    公开(公告)日：2009-04-01

    申请号：EP07765207.1

    申请日：2007-07-12

    Applicant: Saipem S.p.A.

    Inventor： DI GIROLAMO, Marco ,  CONTE, Massimo ,  SGAMBATI, Antonio ,  CIPELLI, Alberto

    IPC: C07C41/06 ,  C07C43/04

    Abstract: Process for the production of alkyl ethers by the etherification of isobutene, contained in C4-C5 hydrocarbon streams, with linear alcohol, in the presence of acid catalysts, comprising the following essential steps: a) feeding the isobutene contained in C4-C5 hydrocarbon cuts, together with one or more streams containing linear alcohol, to a first reaction step; b) sending the stream leaving the first reaction step to a first distillation area, separating a light stream from a heavy stream containing the desired ether; c) feeding the light stream separated in the first distillation area, together with one or more streams containing linear alcohol, to a second reaction step; d) sending the stream leaving the second reaction step to a second distillation area separating a light stream from a heavy stream containing ether, C4 hydrocarbons and alcohol which is recycled to the first distillation area; e) sending the light stream in the second distillation area to a recovery section of the linear alcohol contained therein; f) recycling the linear alcohol recovered in the recovery section to at least one of the two reaction steps. The present invention relates to plant solutions which allow the alcohol/isobutene molar ratio to be increased in the reaction steps and therefore maximizing the conversion of isobutene.

    PROCESS FOR THE PRODUCTION OF HIGH-PURITY ISOBUTENE THROUGH THE CRACKING OF MTBE OR ETBE AND INTEGRATED PROCESS FOR THE PRODUCTION OF THE RELATIVE ETHER
    8.
    发明公开
    PROCESS FOR THE PRODUCTION OF HIGH-PURITY ISOBUTENE THROUGH THE CRACKING OF MTBE OR ETBE AND INTEGRATED PROCESS FOR THE PRODUCTION OF THE RELATIVE ETHER 审中-公开
    生产由MTBE ETBE或解离高纯度异丁烯和综合处理各醚的生产

    公开(公告)号：EP2903953A1

    公开(公告)日：2015-08-12

    申请号：EP13773254.1

    申请日：2013-10-04

    Applicant: Saipem S.p.A.

    Inventor： BRIANTI, Maura ,  CONTE, Massimo

    IPC: C07C1/20 ,  C07C11/09

    CPC classification number: C07C1/20 ,  C07C29/10 ,  C07C41/06 ,  Y02P20/125 ,  C07C11/09 ,  C07C31/04 ,  C07C31/08 ,  C07C43/046

    Abstract: Process for the production of high-purity isobutene starting from a stream prevalently containing MTBE (Methyl-Tert Butyl Ether) or ETBE (Ethyl-Tert Butyl Ether) which essentially comprises the following areas in sequence: · a fractionation area for obtaining a stream of high- purity MTBE or ETBE; • a cracking area of said stream of MTBE or ETBE for obtaining an outgoing stream prevalently containing isobutene and the relative alcohol, methanol or ethanol; • a washing area with water of the stream leaving the cracking area for the recovery of the relative alcohol, in order to obtain a stream containing isobutene, the ether fed and light compounds and a stream substantially consisting of water and relative alcohol, with a relevant fractionation section for separating the washing water to be recycled to the same washing area from the relative alcohol; • a fractionation area of the stream containing isobutene, the ether fed and light compounds for separating a stream of high-purity isobutene. The process can be possibly integrated with a process for the production of MTBE or ETBE.

    PROCESS FOR OBTAINING HIGH-PURITY 1-BUTENE FROM C4 HYDROCARBON MIXTURES
    9.
    发明公开
    PROCESS FOR OBTAINING HIGH-PURITY 1-BUTENE FROM C4 HYDROCARBON MIXTURES 有权
    用于从C 4烃混合物获得高纯度1-丁烯

    公开(公告)号：EP2376405A1

    公开(公告)日：2011-10-19

    申请号：EP10700503.5

    申请日：2010-01-11

    Applicant: Saipem S.p.A.

    Inventor： DI GIROLAMO, Marco ,  BRIANTI, Maura ,  CONTE, Massimo

    IPC: C07C7/00 ,  C07C11/08 ,  C07C11/09

    CPC classification number: C07C7/177 ,  C07C7/005 ,  C07C7/04 ,  C07C7/14891 ,  C07C7/163 ,  C07C41/06 ,  C07C11/08 ,  C07C43/04

    Abstract: A process is described for obtaining high-purity 1-butene starting from C
    4 hydrocarbon mixtures containing isobutene, n-butane, isobutane, 1, 3 -butadiene, 1-butene, 2- butenes and also optionally C
    3 and C
    5 hydrocarbons, comprising the following stages: conversion of isobutene effected in a double stage, wherein each stage consists of one or more reactors followed by a distillation column for the recovery of the reaction product; recovery of the excess alcohol; recovery of 1-butene using at least two distillation columns; characterised in that it also uses a further conversion stage, consisting of one or more reactors in series, for completing the isobutene removal.

    Abstract translation: 的方法，描述用于获得高纯度1-丁烯从C4烃混合物含异丁烯，正丁烷，异丁烷，1,3-丁二烯，1-丁烯，2-丁烯，并且因此OPTIONALLY C3和C5烃原料，所述方法包括以下 阶段：异丁烯在双阶段实现，worin每个阶段，接着对反应产物的回收蒸馏塔的一个或多个反应器的besteht的转换; 过量的醇的回收; 使用至少两个蒸馏塔的1-丁烯的回收; 因此DASS它使用的进一步转换级，在一个或多个串联的反应器由......组成，用于完成所述异丁烯的去除。

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