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EA201791868A1 - Интегрированный процесс получения стабилизированной формальдегидом мочевины - Google Patents

Интегрированный процесс получения стабилизированной формальдегидом мочевины

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Publication number
EA201791868A1
EA201791868A1 EA201791868A EA201791868A EA201791868A1 EA 201791868 A1 EA201791868 A1 EA 201791868A1 EA 201791868 A EA201791868 A EA 201791868A EA 201791868 A EA201791868 A EA 201791868A EA 201791868 A1 EA201791868 A1 EA 201791868A1
Authority
EA
Eurasian Patent Office
Prior art keywords
methanol
synthesis gas
synthesis
ammonia
carbon dioxide
Prior art date
Application number
EA201791868A
Other languages
English (en)
Other versions
EA033955B1 (ru
Inventor
Ола Эрландссон
Андреас Магнуссон
Джон Дэвид Пэч
Дэниел Шелдон
Original Assignee
Джонсон Мэтти Паблик Лимитед Компани
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Джонсон Мэтти Паблик Лимитед Компани filed Critical Джонсон Мэтти Паблик Лимитед Компани
Publication of EA201791868A1 publication Critical patent/EA201791868A1/ru
Publication of EA033955B1 publication Critical patent/EA033955B1/ru

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    • C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
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    • C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
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    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
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Abstract

Описан способ получения стабилизированной формальдегидом мочевины, включающий стадии: (a) получение синтез-газа, содержащего водород, азот, монооксид углерода, диоксид углерода и водяной пар в блоке генерации синтез-газа; (b) извлечение диоксида углерода из синтез-газа с образованием обедненного диоксидом углерода синтез-газа; (c) синтез метанола из обедненного диоксидом углерода синтез-газа в блоке синтеза метанола и извлечение метанола и отходящего газа для синтеза метанола, содержащего азот, водород и остаточный монооксид углерода; (d) подвергают по меньшей мере часть извлеченного метанола окислению воздухом в блоке получения формальдегида; (e) подача отходящего синтез-газа метанола на метанирование в метанационном реакторе, содержащем катализатор метанирования, с образованием синтез-газа аммиака; (f) синтез аммиака из синтез-газа аммиака в блоке получения аммиака и извлечение аммиака; (g) взаимодействие части аммиака и по меньшей мере части извлеченного потока диоксида углерода в блоке получения мочевины с образованием потока мочевины и (h) стабилизация мочевины путем смешивания потока мочевины и стабилизатора, полученного с использованием формальдегида, извлеченного из блока получения формальдегида, где источник воздуха сжимают и разделяют на первую и вторую части, причем первая часть подается в блок получения формальдегида для окисления метанола, а вторая часть дополнительно сжимается и подается в блок генерации синтез-газа.
EA201791868A 2015-02-20 2015-12-18 Интегрированный процесс получения стабилизированной формальдегидом мочевины EA033955B1 (ru)

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PCT/GB2015/054083 WO2016132092A1 (en) 2015-02-20 2015-12-18 Integrated process for the production of formaldehyde-stabilized urea

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EP3259248A1 (en) 2017-12-27
CN107250106B (zh) 2020-07-10
GB201522399D0 (en) 2016-02-03
GB2539294B (en) 2019-07-03
BR112017017593A2 (pt) 2018-05-08
WO2016132092A1 (en) 2016-08-25
CA2977012A1 (en) 2016-08-25
CN107250106A (zh) 2017-10-13
MX2017010601A (es) 2017-11-16
US20180072658A1 (en) 2018-03-15
CA2977012C (en) 2023-03-21
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