公开(公告)号：US20180044264A1

公开(公告)日：2018-02-15

申请号：US15555924

申请日：2016-03-04

Applicant: STAMICARBON B.V. ACTING UNDER THE NAME OF MT INNOVATION CENTER

Inventor： Chiarra CROPPI ,  Francesco Simone MARTORELLI ,  Emma PALO ,  Gaetano IAQUANIELLO ,  Annarita SALLADINI

IPC: C07C5/333 ,  B01D69/02 ,  B01D71/02 ,  B01J19/24 ,  B01D53/22

CPC classification number: C07C5/333 ,  B01D53/226 ,  B01D53/228 ,  B01D53/229 ,  B01D69/02 ,  B01D71/022 ,  B01D2053/221 ,  B01D2256/24 ,  B01D2256/245 ,  B01D2257/108 ,  B01D2325/04 ,  B01J8/009 ,  B01J8/0419 ,  B01J8/0492 ,  B01J19/245 ,  B01J2208/00212 ,  B01J2208/00274 ,  B01J2219/00024 ,  B01J2219/24 ,  C07C5/3335 ,  C07C5/3337 ,  C07C7/144 ,  C07C2521/04 ,  C07C2523/26 ,  C07C2523/42 ,  C07C11/06 ,  C07C11/04 ,  C07C11/08 ,  C07C15/46

Abstract: Disclosed is a method and plant for the catalytic dehydrogenation of alkanes, such as propane. The plant is a plant of hybrid architecture wherein one or more membrane-assisted reactor configurations according to open architecture are combined with one or more membrane-containing reactors of closed architecture. Hydrogen remaining in the reaction mixture after separation in the membrane separation unit of a first open architecture configuration, is fed to a first membrane-reactor of the closed architecture type. Also disclosed are methods of modifying plants so as to create the hybrid architecture plant.

公开(公告)号：US09890115B2

公开(公告)日：2018-02-13

申请号：US14127962

申请日：2012-10-12

Applicant: Stamicarbon B.V.

Inventor： Johannes Henricus Mennen

IPC: C07C273/16 ,  C07C273/14 ,  B01J2/22 ,  B01J2/30 ,  B29C43/00 ,  C05C9/02 ,  C05C9/00 ,  B29K75/00

CPC classification number: C07C273/16 ,  B01J2/22 ,  B01J2/30 ,  B29C43/006 ,  B29K2075/02 ,  C05C9/005 ,  C05C9/02 ,  C07C273/14 ,  Y10T29/49716

Abstract: Disclosed is a method for urea finishing. A urea solution is subjected to crystallization and, other than in conventional processes, the urea crystals are shaped by exerting mechanical force onto them. Thus, the conventional prilling or granulation finishing steps can be avoided, and so are the corresponding emissions of ammonia and/or dust. The crystallization comprises a flash crystallization. The invention also pertains to the urea particles obtainable by the process, to a urea plant, and to a method of modifying an existing urea plant.

公开(公告)号：US20170326521A1

公开(公告)日：2017-11-16

申请号：US15669818

申请日：2017-08-04

Applicant: Stamicarbon B.V.

Inventor： Luc Louis Maria DIELTJENS

IPC: B01J12/00 ,  C07C273/04

CPC classification number: B01J12/005 ,  B01J12/00 ,  C07C273/04 ,  Y02P20/142

Abstract: The invention relates to a urea plant with a CO2 and a NH3 feed, which comprises a purge line, characterized in that the purge line is connected with a fuel gas input line of a utility plant or an NH3 plant.

公开(公告)号：US20170260061A1

公开(公告)日：2017-09-14

申请号：US15528708

申请日：2015-11-26

Applicant: Stamicarbon B.V.

Inventor： Johannes Henricus MENNEN ,  Fredericus Henricus Maria BUITINK ,  Willem Frederik ROOS

IPC: C01C1/18 ,  B01J10/00 ,  B01J19/00

CPC classification number: C01C1/185 ,  B01J10/007 ,  B01J19/002 ,  B01J2219/00024 ,  B01J2219/0004 ,  C05C1/00 ,  C05C9/00

Abstract: The invention provides a method and a plant for producing urea ammonium nitrate (UAN). The method involves the use of a condensation section, optionally in combination with a medium pressure decomposition section, between the dissociation and neutralization sections. The invention further provides a method of modifying an existing UAN plant. The advantages of the process of the invention are that the emission of CO2 can be reduced, the plant capacity can be increased and the high capital expenditure needed for CO2 compression equipment is reduced.

公开(公告)号：US20170204054A1

公开(公告)日：2017-07-20

申请号：US15326434

申请日：2015-07-16

Applicant: Stamicarbon B.V.

Inventor： Johannes Henricus MENNEN

IPC: C07C273/16 ,  B01D21/26 ,  B01D9/00

CPC classification number: C07C273/16 ,  B01D9/0022 ,  B01D21/262 ,  C07C275/02

Abstract: Disclosed is a process for the preparation of a urea product suitable for being diluted with water so as to form an aqueous urea comprising solution for use in a unit for the reduction of NOx in combustion engine exhaust gases, also known as Diesel Exhaust Fluid (DEF) or to be used in De NOx systems of exhaust vapor from industrial furnaces. The process comprises obtaining an aqueous urea solution from or after a recovery section in a urea production process. This solution, which has a low content of impurities, is subjected to flash crystallization at a low pressure, so as to obtain a solid crystallized urea containing product, which is a free-flowing powder containing less than 0.2 wt. % water. This product is packaged under conditions such that the water content in the packaged product is maintained below 0.2 wt. %. The invention can also be used in a method of increasing the capacity of an existing urea plant.

公开(公告)号：US20170137330A1

公开(公告)日：2017-05-18

申请号：US15421265

申请日：2017-01-31

Applicant: Stamicarbon B.V.

Inventor： Jozef Hubert MEESSEN ,  Pantelis ORFANIDIS

IPC: C05C3/00 ,  B01D53/80 ,  B01D53/58 ,  B01D53/54 ,  C01C1/22 ,  C07C273/16

CPC classification number: C05C3/00 ,  B01D53/54 ,  B01D53/58 ,  B01D53/80 ,  B01D2251/506 ,  B01D2257/406 ,  B01D2257/70 ,  C01C1/12 ,  C01C1/22 ,  C05C3/005 ,  C05C9/00 ,  C07C273/16

Abstract: The invention relates to a method for recovery of urea dust and ammonia from a gas stream by contacting said gas stream with an aqueous sulphuric acid solution, thus forming an acid solution of ammonium sulphate and urea, characterized in that the acid solution is concentrated to a melt comprising less than 5 wt % of water, which melt is subsequently transferred into solid particles comprising urea and ammonium sulphate.

公开(公告)号：US09556077B2

公开(公告)日：2017-01-31

申请号：US14098496

申请日：2013-12-05

Applicant: Stamicarbon B.V.

Inventor： Jozef Hubert Meessen ,  Pantelis Orfanidis

IPC: B01D47/00 ,  C05C9/00 ,  C01C1/12 ,  C05C3/00 ,  C07C273/16

CPC classification number: C05C3/00 ,  B01D53/54 ,  B01D53/58 ,  B01D53/80 ,  B01D2251/506 ,  B01D2257/406 ,  B01D2257/70 ,  C01C1/12 ,  C01C1/22 ,  C05C3/005 ,  C05C9/00 ,  C07C273/16

Abstract: The invention relates to a method for recovery of urea dust and ammonia from a gas stream by contacting said gas stream with an aqueous sulphuric acid solution, thus forming an acid solution of ammonium sulphate and urea, characterized in that the acid solution is concentrated to a melt comprising less than 5 wt % of water, which melt is subsequently transferred into solid particles comprising urea and ammonium sulphate.

Abstract translation: 本发明涉及通过使所述气流与硫酸水溶液接触从气流中回收尿素灰尘和氨的方法，从而形成硫酸铵和尿素的酸溶液，其特征在于将酸溶液浓缩至 熔体包含少于5重量％的水，该熔体随后转移到包含尿素和硫酸铵的固体颗粒中。

公开(公告)号：US09458098B2

公开(公告)日：2016-10-04

申请号：US14398433

申请日：2013-05-02

Applicant: STAMICARBON B.V.

Inventor： Johannes Henricus Mennen ,  Jozef Hubert Meessen

IPC: B01D47/00 ,  C07C273/04 ,  B01D5/00 ,  B23P15/26

CPC classification number: C07C273/04 ,  B01D5/006 ,  B01D5/009 ,  B01D47/00 ,  B01J10/00 ,  B23P15/26 ,  Y10T29/49352

Abstract: Disclosed is a plant for the production of urea. The plant comprises conventional sections for synthesis and recovery, for evaporation and condensation, for urea finishing, and for dust scrubbing. According to the invention, an additional evaporation and condensation loop is introduced from and to the dust scrubbing section. This loop results in a more favorable energy consumption of the plant.

Abstract translation: 公开了一种用于生产尿素的设备。 该设备包括用于合成和回收的常规部分，用于蒸发和冷凝，用于尿素整理和用于灰尘洗涤。 根据本发明，从灰尘洗涤部分引入附加的蒸发和冷凝环路。 该循环导致植物更有利的能量消耗。

公开(公告)号：US20160137388A1

公开(公告)日：2016-05-19

申请号：US14778251

申请日：2014-03-18

Applicant: STAMICARBON B.V. ACTING UNDER THE NAME OF MT INNOVATION CENTER ,  Enea, Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile

Inventor： Adriano BARSI ,  Fabrizio FABRIZI ,  Walter GAGGIOLI ,  Gaetano IAQUANIELLO ,  Luca RINALDI

IPC: B65D81/38

CPC classification number: B65D81/3809 ,  F28D20/0034 ,  F28D2020/0047 ,  F28F2270/00 ,  Y02E60/142

Abstract: Disclosed is a storage tank for molten salts, preferably of the thermocline type. The tank is provided with an insulation on the inside, which is provided by molten salts captured and retained in an appropriate metal structure. The metal structure has openings allowing molten salts to flow into it, and may consist of metal supports that hold elements which allow retaining molten salts, such as a structured packing, metal boxes, or gutter wall.

Abstract translation: 公开了一种用于熔融盐的储罐，优选为温跃层型。 该罐在内部设置有绝缘体，其由捕获并保持在适当的金属结构中的熔融盐提供。 金属结构具有允许熔融盐流入其中的开口，并且可以由保持允许保留熔融盐的元素的金属支撑体组成，例如规整填料，金属盒或沟槽壁。

公开(公告)号：US09340494B2

公开(公告)日：2016-05-17

申请号：US14366950

申请日：2012-12-18

Applicant: STAMICARBON B.V. ACTING UNDER THE NAME OF MT INNOVATION CENTER

Inventor： Gaetano Iaquaniello ,  Barbara Cucchiella ,  Elena Antonetti

IPC: C01C1/04 ,  C01B3/02 ,  C01B3/38 ,  C07C273/10 ,  C01B3/48 ,  C01B3/26

CPC classification number: C07C273/10 ,  C01B3/025 ,  C01B3/26 ,  C01B3/382 ,  C01B3/384 ,  C01B3/386 ,  C01B3/48 ,  C01B2203/0233 ,  C01B2203/0244 ,  C01B2203/0261 ,  C01B2203/0283 ,  C01B2203/04 ,  C01B2203/043 ,  C01B2203/0445 ,  C01B2203/0475 ,  C01B2203/068 ,  C01B2203/1241 ,  C01B2203/141 ,  C01B2203/146 ,  C01C1/04

Abstract: Disclosed is a process for the production of ammonia comprising a step wherein synthesis gas is formed in two different ways, viz. by catalytic partial oxidation (31) and by steam reforming, and wherein the combined streams of synthesis gas are subjected to a water gas shift reaction (50). Also disclosed is a process of producing urea, wherein ammonia is formed (90) in a process involving said combined streams and wherein carbon dioxide (110) formed in the same process is reacted with said ammonia so as to form urea.

Abstract translation: 公开了一种生产氨的方法，包括以两种不同方式形成合成气的步骤，即， 通过催化部分氧化（31）和通过蒸汽重整，并且其中合成气流经受水煤气变换反应（50）。 还公开了一种生产尿素的方法，其中在涉及所述组合料流的方法中形成氨（90），并且其中在相同方法中形成的二氧化碳（110）与氨反应以形成尿素。