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    PROCESS FOR THE PREPARATION OF METHANOL
    1.
    发明申请
    PROCESS FOR THE PREPARATION OF METHANOL 有权

    公开(公告)号：US20210363079A1

    公开(公告)日：2021-11-25

    申请号：US17269607

    申请日：2019-08-28

    Applicant: Haldor Topsøe A/S

    Inventor： Emil Andreas Tjärnehov ,  Lars Storm Pedersen ,  Michael Hultqvist ,  Søren Grønborg Eskesen ,  Louise Wissing Jensen

    IPC: C07C29/151 ,  C07C29/80 ,  C07C29/152 ,  C25B1/04

    Abstract: Process for the preparation of a methanol product comprising the steps of a) providing a first process stream consisting essentially of carbon dioxide; b) providing a second process stream consisting of hydrogen by electrolyzing water in an electrolysis unit; c) mixing the first and second process in amount to obtain a methanol synthesis gas with a mole ratio of H2 and CO2 of between 2.5 and 3.5; d) catalytic converting the methanol synthesis gas into raw methanol in at least one methanol reactor; e) purifying the raw methanol in a distillation unit; and recovering waste heat generated in the electrolysis unit in step (b) by transferring the waste heat to a circulating heat transfer medium by indirect heat exchange with the waste heat and by indirect heat exchange of the heated heat transfer medium with steam used for the distillation of the raw methanol, wherein the heated transfer medium is compressed upstream the indirect heat exchange with steam.

    CATALYTIC REACTOR
    2.
    发明申请
    CATALYTIC REACTOR 审中-公开

    公开(公告)号：US20180161742A1

    公开(公告)日：2018-06-14

    申请号：US15735246

    申请日：2016-06-30

    Applicant: Haldor Topsøe A/S

    Inventor： Anders Lindhard Christensen ,  Emil Andreas Tjärnehov

    IPC: B01J8/02 ,  B01J8/00

    Abstract: The invention relates to a catalytic reactor suited for exothermal reactions with a radial process fluid flow and process fluid flow guides which ensures an extended fluid flow path and higher flow velocity and thereby enhanced cooling of the catalyst bed in the reactor.

    CONTROL OF INLET TEMPERATURE FOR CONVERSION STEP
    5.
    发明申请
    CONTROL OF INLET TEMPERATURE FOR CONVERSION STEP 审中-公开

    公开(公告)号：US20180299120A1

    公开(公告)日：2018-10-18

    申请号：US15767709

    申请日：2016-12-07

    Applicant: Haldor Topsøe A/S

    Inventor： Christian Henrik Speth ,  Emil Andreas Tjärnehov

    IPC: F22B35/00

    Abstract: The present relates to a method for controlling the inlet temperature Ti to a conversion process, said method comprising the steps of: Providing a feed for a conversion process; In a first temperature control step regulating the temperature of the feed in a waste heat boiler; In a second temperature control step injecting a water stream into the feed downstream the waste heat boiler in an amount and/or at a temperature to obtain the desired inlet temperature into the conversion process.

    Method for producing methanol in a reactor with bypass
    6.
    发明授权
    Method for producing methanol in a reactor with bypass 有权

    公开(公告)号：US11407702B2

    公开(公告)日：2022-08-09

    申请号：US17261235

    申请日：2019-07-11

    Applicant: HALDOR TOPSØE A/S

    Inventor： Emil Andreas Tjärnehov ,  Per Juul Dahl

    IPC: C07C29/152 ,  C07C29/151

    Abstract: A method for producing methanol comprises the steps of passing a feed stream of methanol synthesis pas through a main methanol reactor containing a methanol synthesis catalyst, to form a mixed gas containing methanol, cooling the mixed gas containing methanol, separating methanol from the mixed pas and heating the mixed gas. The stream of heated mixed gas is passed through an additional methanol reactor containing a methanol synthesis catalyst, and the effluent from the additional methanol reactor is mixed with the feed stream of methanol synthesis gas and passed through the main methanol reactor.

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