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RU2009133698A - Способ и гидрообработка углеводородного топлива - Google Patents

Способ и гидрообработка углеводородного топлива Download PDF

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RU2009133698A
RU2009133698A RU2009133698/04A RU2009133698A RU2009133698A RU 2009133698 A RU2009133698 A RU 2009133698A RU 2009133698/04 A RU2009133698/04 A RU 2009133698/04A RU 2009133698 A RU2009133698 A RU 2009133698A RU 2009133698 A RU2009133698 A RU 2009133698A
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hydrogen sulfide
carbon dioxide
gaseous
hydrogen
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RU2009133698/04A
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RU2517185C2 (ru
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Ким Грон КНУДСЕН (DK)
Ким Грон КНУДСЕН
Ким Хедегор АНДЕРСЕН (DK)
Ким Хедегор АНДЕРСЕН
Расмус БРАЙВИК (DK)
Расмус БРАЙВИК
Расмус Готтшальк ЭГЕБЕРГ (DK)
Расмус Готтшальк ЭГЕБЕРГ
Поул Эрик Хейлунд НИЛЬСЕН (DK)
Поул Эрик Хейлунд НИЛЬСЕН
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Хальдор Топсеэ А/С (DK)
Хальдор Топсеэ А/С
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Abstract

1. Способ гидрообработки углеводородного топлива, включающий стадии: ! (a) образования подлежащего обработке углеводородного сырья соединением углеводородного сырья, содержащего возобновляемое органическое вещество, с потоком водорода; ! (b) направления подлежащего обработке углеводородного сырья со стадии (а) на стадию гидрообработки контактированием названного углеводородного сырья, по меньшей мере, с одним неподвижным слоем катализатора гидрообработки; ! (c) подачу потока, выходящего, по меньшей мере, из одного неподвижного слоя катализатора стадии (b) в горячий сепаратор и извлечения из горячего сепаратора верхней фракции и нижней фракции со дна сепаратора; ! (d) подачу верхней фракции со стадии (с) на стадию конверсии водяного газа; ! (e) направления выходящего со стадии (d) потока в холодный сепаратор и извлечения из холодного сепаратора газообразной верхней фракции в виде обогащенного водородом потока газа, направляемого на рециркуляцию; ! (f) подачу газообразной верхней фракции со стадии (е) в установку рекуперации сероводорода, в которой осуществляют контактирование растворителя с названным газообразным потоком, и извлечения из названной установки рекуперации газообразного потока с пониженным содержанием сероводорода и диоксида углерода, и удаления из названной установки рекуперации растворителя, содержащего сероводород и диоксид углерода; ! (g) возвращения газообразного потока с пониженным содержанием сероводорода и диоксида углерода со стадии (f) на стадию (а) либо возвращения части газообразного потока с пониженным содержанием сероводорода и диоксида углерода со стадии (f) на стадию (а) при раздел

Claims (9)

1. Способ гидрообработки углеводородного топлива, включающий стадии:
(a) образования подлежащего обработке углеводородного сырья соединением углеводородного сырья, содержащего возобновляемое органическое вещество, с потоком водорода;
(b) направления подлежащего обработке углеводородного сырья со стадии (а) на стадию гидрообработки контактированием названного углеводородного сырья, по меньшей мере, с одним неподвижным слоем катализатора гидрообработки;
(c) подачу потока, выходящего, по меньшей мере, из одного неподвижного слоя катализатора стадии (b) в горячий сепаратор и извлечения из горячего сепаратора верхней фракции и нижней фракции со дна сепаратора;
(d) подачу верхней фракции со стадии (с) на стадию конверсии водяного газа;
(e) направления выходящего со стадии (d) потока в холодный сепаратор и извлечения из холодного сепаратора газообразной верхней фракции в виде обогащенного водородом потока газа, направляемого на рециркуляцию;
(f) подачу газообразной верхней фракции со стадии (е) в установку рекуперации сероводорода, в которой осуществляют контактирование растворителя с названным газообразным потоком, и извлечения из названной установки рекуперации газообразного потока с пониженным содержанием сероводорода и диоксида углерода, и удаления из названной установки рекуперации растворителя, содержащего сероводород и диоксид углерода;
(g) возвращения газообразного потока с пониженным содержанием сероводорода и диоксида углерода со стадии (f) на стадию (а) либо возвращения части газообразного потока с пониженным содержанием сероводорода и диоксида углерода со стадии (f) на стадию (а) при разделении названного газообразного потока, по меньшей мере, на два потока и возвращении, по меньшей мере, одного из этих потоков на стадию (а) и, по меньшей мере, одного из этих потоков на стадию (d).
2. Способ по п.1, в котором поток водорода со стадии (а) является рециркулирующим газовым потоком водорода, свежим газом водородом или их комбинацией.
3. Способ по п.1, в котором содержание возобновляемого органического вещества в углеводородном топливе составляет, по меньшей мере, 5 об.%.
4. Способ по п.1, в котором стадия гидрообработки является гидродесульфуризацией (HDS) и/или гидроденитрогенизацией (HDN).
5. Способ по п.1, в котором стадия конверсии водяного газа является стадией кислой конверсии газа.
6. Способ по п.1, включающий дополнительно направление газообразной верхней фракции со стадии (с) в установку рекуперации сероводорода, в которой осуществляют контактирование растворителя с названным газообразным потоком, и извлечения из названной установки рекуперации газообразного потока с пониженным содержанием сероводорода и диоксида углерода, и удаления из названной установки рекуперации растворителя, содержащего сероводород и диоксид углерода.
7. Способ по п.1, в котором стадия реакции конверсии водяного газа является выбранной из группы, состоящей из стадии пониженной конверсии водяного газа, стадии умеренной конверсии водяного газа и стадии высокой конверсии водяного газа или их комбинаций.
8. Способ по п.1, в котором перед проведением стадии конверсии водяного газа к названной верхней фракции со стадии (с) или к названному газообразному потоку с пониженным содержанием сероводорода или диоксида углерода добавляют водяной пар.
9. Способ по любому из пп.1-8, в котором к названному потоку направляемого на обработку углеводородного сырья стадии (а) и/или к одному или более неподвижным слоям катализатора гидрообработки стадии (b) добавляют воду в количестве от 0,1 до 10 мас.% от названного углеводородного топлива.
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