Сравнительное исследование каталитического облагораживания мексиканской тяжелой нефти
- Авторы: Schacht-Hernandez P.1, Perez Romo P.1, C. Laredo G.1
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Учреждения:
- Instituto Mexicano del Petroleo
- Выпуск: Том 63, № 3 (2023)
- Страницы: 305-313
- Раздел: Статьи
- URL: https://jdigitaldiagnostics.com/0028-2421/article/view/655609
- DOI: https://doi.org/10.31857/S0028242123030024
- EDN: https://elibrary.ru/JAFVDD
- ID: 655609
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Аннотация
В качестве катализаторов гидроочистки мексиканской тяжелой нефти Ku-Ma-Loob Zaap исследованы три различные композиции переходных металлов: кобальт-молибден (CoMo), никель-молибден (NiMo) и никель-кобальт-молибден (NiCoMo) с фосфором, нанесенные на подложку из гамма-оксида алюминия (γ-Al2O3) путем пропитки по влагоемкости. Среди исследованных катализаторов смесь NiCoMoP/γ-Al2O3 показала наибольшую активность в реакции каталитического облагораживания тяжелой нефти. Повышение активности, в большей степени, связано со способностью металлов к химическому восстановлению и, в меньшей - с содержанием металлов. Площадь поверхности и объем пор не менялись с изменением количества металлов. Влияние фосфора не рассматривалось, так как во всех трех образцах было использовано примерно одинаковое количество данного вещества. Однако введение фосфора повышало активность катализатора гидроочистки за счет повышения его кислотности. При этом содержание асфальтенов, серо- и азотсодержащих соединений в составе переработанной нефти резко уменьшалось.
Об авторах
Persi Schacht-Hernandez
Instituto Mexicano del Petroleo
Email: petrochem@ips.ac.ru
Patricia Perez Romo
Instituto Mexicano del Petroleo
Email: petrochem@ips.ac.ru
Georgina C. Laredo
Instituto Mexicano del Petroleo
Автор, ответственный за переписку.
Email: glaredo@imp.mx
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