Крекинг тяжелой нефти в среде сверхкритической воды в присутствии наноразмерного порошка оксида железа: превращение асфальтенов и кинетика процесса
- Авторы: Свириденко Н.Н.1
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Учреждения:
- Институт химии нефти СО РАН
- Выпуск: Том 63, № 3 (2023)
- Страницы: 391-400
- Раздел: Статьи
- URL: https://journals.rcsi.science/0028-2421/article/view/141907
- DOI: https://doi.org/10.31857/S0028242123030097
- EDN: https://elibrary.ru/JCFNPD
- ID: 141907
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Аннотация
Проведено исследование зависимости состава и структуры продуктов каталитического крекинга в сверхкритической воде (СКВ) тяжелой нефти Ашальчинского месторождения Альметьевского района республики Татарстан в присутствии наноразмерного порошка (НРП) оксида железа(III). Установлено, что крекинг в присутствии 0.01%-ного НРП оксида железа в среде СКВ позволяет увеличить выход светлых фракций более чем на 34 мас. % и снизить содержание смолисто-асфальтеновых компонентов в 2.1 раза по сравнению с исходной нефтью. Показано, что использование катализатора НРП оксида железа приводит к образованию асфальтенов коксоподобной структуры с низким атомным отношением Н/С (до 0.75). Рассчитаны константы скоростей реакций превращений компонентов тяжелой нефти Ашальчинского месторождения, протекающих при термическом и каталитическом крекингах.
Ключевые слова
Об авторах
Н. Н. Свириденко
Институт химии нефти СО РАН
Автор, ответственный за переписку.
Email: nikita26sviridenko@gmail.com
634055, Tomsk, Russia
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