A METHOD FOR REVAMPING A CO2 REMOVAL SECTION FOR PURIFICATION OF A HYDROGEN-CONTAINING GAS

    公开(公告)号:EP3552687A1

    公开(公告)日:2019-10-16

    申请号:EP19167761.6

    申请日:2016-08-08

    申请人: CASALE SA

    发明人: PANZA, Sergio

    IPC分类号: B01D53/14 B01D53/18

    摘要: A method for revamping a CO2 removal section for removing carbon dioxide from a hydrogen-containing synthesis gas, wherein the CO2 removal section comprises an absorption section (2) wherein carbon dioxide is transferred to an absorbing solution and a stripping tower (3) for regeneration of the CO2-loaded solution, said stripping tower comprising an upper zone (4) where a first gaseous CO2 stream (10) and a partially regenerated semi-lean solution (11) are produced, and a lower zone (5) acting as a stripping zone where a second gaseous CO2 stream (12) and a lean regenerated solution are produced, the second CO2 stream (12) being a substantially pure stream containing less hydrogen and impurities than the first CO2 stream, and wherein the method of revamping provides the installation of sealing means (16) inside the stripping tower (3), arranged to isolate said second gaseous CO2 stream (12) from the first stream (10), so that the second stream (12) can be exported separately.

    A METHOD FOR INCREASING THE CAPACITY OF AN AMMONIA PLANT
    3.
    发明公开
    A METHOD FOR INCREASING THE CAPACITY OF AN AMMONIA PLANT 审中-公开
    一种提高氨工厂能力的方法

    公开(公告)号:EP3297953A1

    公开(公告)日:2018-03-28

    申请号:EP16720825.5

    申请日:2016-05-04

    申请人: Casale SA

    IPC分类号: C01C1/04 C01B3/02 B01D3/38

    摘要: A method for treatment of process condensate (1) in an ammonia plant, wherein the ammonia plant comprises a front-end section producing a make-up gas and a synthesis section where the make-up gas is reacted to ammonia, and said process condensate (1) is collected from one or more equipment of the ammonia plant and is an aqueous solution comprising ammonia, carbon dioxide and methanol. Said method comprises: stripping said process condensate with low-pressure steam (4), obtaining a vapour phase (5) comprising ammonia, carbon dioxide and methanol stripped from the process condensate; condensing said vapour phase, obtaining a solution (11) enriched of ammonia and methanol (11); re-introducing a first portion (12) of said solution to said stripping environment; recycling a second portion (13) of said solution to said ammonia plant.

    A METHOD FOR REVAMPING AN ABSORPTION REFRIGERATION SYSTEM
    4.
    发明公开
    A METHOD FOR REVAMPING AN ABSORPTION REFRIGERATION SYSTEM 审中-公开
    一种改进吸收制冷系统的方法

    公开(公告)号:EP3228955A1

    公开(公告)日:2017-10-11

    申请号:EP16164204.6

    申请日:2016-04-07

    申请人: Casale SA

    IPC分类号: F25B15/00

    摘要: A method for revamping an absorption refrigeration system, comprising: an evaporator (2), wherein a liquid refrigerant (20) evaporates providing a gaseous refrigerant (21); an absorber (3), wherein said gaseous refrigerant (21) is absorbed in a suitable lean solution (23) providing an enriched solution (24) and releasing heat, said heat being removed by a cooling medium; a desorber (4), wherein said enriched solution (24) is heated causing the refrigerant to evaporate providing a gaseous refrigerant (27) and the lean solution (23); an air cooler, wherein the gasesou refrigerant leaving the desorber (4) is condensed by thermal exchange with cooling air providing said liquid refrigerant (20). The method of revamping provides for replacing the air cooler with an evaporative condenser (5).

    摘要翻译: 1。一种用于改造吸收式制冷系统的方法,包括:蒸发器(2),其中液态制冷剂(20)蒸发以提​​供气态制冷剂(21); 吸收器(3),其中所述气态制冷剂(21)被吸收在提供富集溶液(24)并释放热量的合适贫溶液(23)中,所述热量被冷却介质去除; 解吸器(4),其中所述富集溶液(24)被加热使得制冷剂蒸发,从而提供气态制冷剂(27)和贫溶液(23); 空气冷却器,其中离开解吸器(4)的气体通过与提供所述液体制冷剂(20)的冷却空气进行热交换而冷凝。 改造方法规定用蒸发冷凝器(5)更换空气冷却器。

    RADIAL OR AXIAL-RADIAL CHEMICAL REACTOR WITH A FINE CATALYST

    公开(公告)号:EP3646945A1

    公开(公告)日:2020-05-06

    申请号:EP18203181.5

    申请日:2018-10-29

    申请人: CASALE SA

    IPC分类号: B01J8/00 B01J8/02

    摘要: Reactor (1) for catalytic chemical reactions comprising a catalyst bed (3) with an annular-cylindrical form crossed by a radial flow or mixed axial-radial flow, wherein the bed is delimited by cylindrical walls (4, 5) made gas-permeable by means of slits (10) and the catalyst bed is formed by particles of catalyst with a nominal minimum size (di) such that: the ratio between a transverse dimension of the slits and the nominal minimum size of the particles of catalyst is smaller than or equal to 0.6; the catalyst bed contains no more than 3% by weight of particles with an actual size smaller than said nominal size.

    MULTI-BED CATALYTIC CONVERTER WITH INTER-BED COOLING

    公开(公告)号:EP3401006A1

    公开(公告)日:2018-11-14

    申请号:EP17170546.0

    申请日:2017-05-11

    申请人: CASALE SA

    IPC分类号: B01J8/04

    摘要: A multi-bed catalytic converter comprising at least a first catalytic bed, a second catalytic bed and a heat exchanger arranged between said first bed and said second bed, wherein said heat exchanger is arranged to transfer heat from the hot effluent of the first bed to a cooling medium; said heat exchanger comprises a plurality of stacked round plates, wherein adjacent plates define gaps therebetween, and the effluent of the first catalytic bed and the cooling medium are respectively fed into alternate gaps.

    A PROCESS FOR THE SYNTHESIS OF AMMONIA
    7.
    发明公开

    公开(公告)号:EP3336061A1

    公开(公告)日:2018-06-20

    申请号:EP16203939.0

    申请日:2016-12-14

    申请人: Casale SA

    发明人: PANZA, Sergio

    IPC分类号: C01C1/04

    CPC分类号: C01C1/0447 Y02P20/52

    摘要: A dual pressure process for the synthesis of ammonia from a make-up gas, wherein the make-up gas is reacted in two steps in series, the second step operating at a greater pressure than the first step, and wherein a portion of the effluent of the first step is recycled back to the first step, said portion containing unreacted make-up gas.

    REFRIGERATION SYSTEM AND RELATED METHOD OF REVAMPING
    8.
    发明公开
    REFRIGERATION SYSTEM AND RELATED METHOD OF REVAMPING 审中-公开
    制冷系统及相关修复方法

    公开(公告)号:EP3321604A1

    公开(公告)日:2018-05-16

    申请号:EP16198786.2

    申请日:2016-11-15

    申请人: Casale SA

    发明人: PANZA, Sergio

    IPC分类号: F25B25/02 F25B15/04

    摘要: A refrigeration system comprising an absorption refrigeration unit (3) and a chiller (2) wherein: the chiller receives a liquid refrigerant (20) from the absorption unit and provides a refrigerant vapours (21) and a liquid blowdown (22); the absorption refrigerating unit (3) comprises an absorber (4) wherein said gaseous stream (21) is contacted with a solution (24) of said refrigerant into an absorbent; wherein the absorber (4) is positioned at a greater elevation ( h1 ) than the chiller (2) and the system comprises means (13) downstream of the chiller (2) which pressurizes said liquid blowdown (22) and a flowline which directs the pressurized liquid blowdown to the absorber (4).

    摘要翻译: 一种包括吸收式制冷单元(3)和制冷机(2)的制冷系统,其中:制冷机从吸收单元接收液态制冷剂(20)并提供制冷剂蒸汽(21)和液体排放物(22); 吸收式制冷单元(3)包括吸收器(4),其中所述气态流(21)与所述制冷剂的溶液(24)接触到吸收剂中; 其中所述吸收器(4)位于比所述冷却器(2)更高的高度(h1)处,并且所述系统包括在所述冷却器(2)的下游对所述液体排污装置(22)加压的装置(13)和引导 加压液体排放到吸收器(4)。

    PROCESS FOR PRODUCING AMMONIA
    10.
    发明公开

    公开(公告)号:EP4303186A1

    公开(公告)日:2024-01-10

    申请号:EP22183670.3

    申请日:2022-07-07

    申请人: CASALE SA

    IPC分类号: C01C1/04 C25B1/04

    摘要: A process for producing ammonia (2) in an ammonia synthesis converter (19) with co-production of steam (40) from the recovery of process heat generated in the synthesis converter, the process includes producing power (44) from expansion of said steam (40) in a steam turbine (42) which is mechanically coupled to a reversible motor/generator (43) and to a compressor so to form an assembly which can be selectively operated in a first mode of operation and in a second mode of operation wherein: in said first mode, mechanical power (44) is transferred from said steam turbine (42) to said reversible motor/generator (43) and to said compressor whilst in said second mode, mechanical power (44) is transferred to said compressor from said steam turbine (42) and from said reversible motor/generator.