EA201790013A1 - Способ получения бензола из смеси c-c-углеводородов - Google Patents

Способ получения бензола из смеси c-c-углеводородов

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EA201790013A1
EA201790013A1 EA201790013A EA201790013A EA201790013A1 EA 201790013 A1 EA201790013 A1 EA 201790013A1 EA 201790013 A EA201790013 A EA 201790013A EA 201790013 A EA201790013 A EA 201790013A EA 201790013 A1 EA201790013 A1 EA 201790013A1
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Eurasian Patent Office
Prior art keywords
feed stream
benzene
conditions
catalyst
contacting
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EA201790013A
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English (en)
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Дастин Фикел
Стивен Холл
Кумар Прашант
Майкел Ван Ирсел
Соня Фаррокхпанах
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Сабик Глоубл Текнолоджиз Б.В.
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Publication of EA201790013A1 publication Critical patent/EA201790013A1/ru

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Abstract

Настоящее изобретение относится к способу получения бензола, включающему в себя стадии: (a) разделения исходного потока сырья, содержащего C-C-углеводороды, в том числе бензол и алкилбензолы, на первый поток сырья, содержащий большую долю бензола, чем исходный поток сырья, и второй поток сырья, содержащий меньшую долю бензола, чем исходный поток сырья, и затем (b) контактирования первого потока сырья в присутствии водорода с первым катализатором гидрокрекинга, содержащим 0,01-1 мас.% гидрирующего металла по отношению к общей массе катализатора и цеолит, характеризующийся размером пор 5-8 Å и мольным отношением диоксида кремния (SiO) к оксиду алюминия (AlO), составляющим 5-200, в первых условиях способа для получения первого потока продуктов, содержащего бензол, при этом первые условия способа включают в себя температуру 425-580°С, давление 300-5000 кПа изб. и массовую часовую объёмную скорость 0,1-15 ч, и (c) контактирования второго потока сырья с водородом во вторых условиях способа для получения второго потока продуктов, содержащего бензол, при этом i) вторые условия способа являются подходящими для гидрокрекинга, а стадия (с) заключает в себе контактирование второго потока сырья в присутствии водорода со вторым катализатором гидрокрекинга, содержащим 0,01-1 мас.% гидрирующего металла по отношению к общей массе катализатора и цеолит, характеризующийся размером пор 5-8 Å и мольным отношением диоксида кремния (SiO) к оксиду алюминия (AlO), составляющим 5-200, во вторых условиях способа, которые включают в себя температуру 300-600°С, давление 300-5000 кПа изб. и массовую часовую объёмную скорость 0,1-15 ч, ii) вторые условия способа являются подходящими для диспропорционирования толуола и заключают в себе контактирование второго потока сырья с катализатором диспропорционирования толуола или iii) вторые условия способа являются подходящими для гидродеалкилирования.
EA201790013A 2014-06-13 2015-06-01 Способ получения бензола из смеси c-c-углеводородов EA201790013A1 (ru)

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