kaz44Вестник Университета Шакарима. Серия технические наукиBulletin of Shakarim University. Technical Sciences2788-79953006-0524«Шәкәрім университеті» КеАҚ10.53360/2788-7995-2024-1(13)-44kaz44-583Research ArticleХИМИЧЕСКАЯ ТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)CHEMICAL TECHNOLOGY (ORIGINAL ARTICLE)ИССЛЕДОВАНИЕ КАТАЛИЗАТОРОВ НА ОСНОВЕ МЕЗОПОРИСТОГО АЛЮМОСИЛИКАТА В ПРОЦЕССЕ ДЕАРОМАТИЗАЦИИ МОДЕЛЬНОЙ СМЕСИ: ФИЗИКО-ХИМИЧЕСКИЕ ХАРАКТЕРИСТИКИ И КАТАЛИТИЧЕСКАЯ АКТИВНОСТЬSTUDY OF CATALYSTS BASED ON MESOPOROUS ALUMINOSILICATE IN THE DEAROMATIZATION PROCESS OF A MODEL MIXTURE: PHYSICO-CHEMICAL CHARACTERISTICS AND CATALYTIC ACTIVITYhttps://orcid.org/0000-0002-9560-6464АбдрасиловаА. К.AbdrassilovaA.

Альбина Канатовна Абдрасилова – докторант, младший научный сотрудник 

 050040, Республика Казахстан, г. Алматы, пр. аль-Фараби, 71 

Albina Kanatovna Abdrassilova – PhD student, junior researcher

 

050040, Republic of Kazakhstan, Almaty, 71, al-Farabi Ave. 

albina06.07@mail.ruhttps://orcid.org/0000-0002-5407-6751ВасилинаГ. К.VassilinaG.

Гулзира Кажмуратовна Василина – кандидат химических наук, ведущий научный сотрудник 

 050040, Республика Казахстан, г. Алматы, пр. аль-Фараби, 71 

Gulzira Kazhmuratovna Vassilina – Candidate of Chemical Sciences, leading researcher

 

 050040, Republic of Kazakhstan, Almaty, 71, al-Farabi Ave. 

Gulzira.Vasilina@kaznu.edu.kzhttps://orcid.org/0000-0002-0474-5240АбдильдинаК. М.AbdildinaK.

Камилла Манапқызы Абдильдина – PhD, научный сотрудник

 050040, Республика Казахстан, г. Алматы, пр. аль-Фараби, 71 

Kamilla Manapkyzy Abdildina – PhD, researcher

 

 050040, Republic of Kazakhstan, Almaty, 71, al-Farabi Ave. 

kamilla.u.m21@mail.ruhttps://orcid.org/0000-0002-9829-3117КанапиеваФ. М.KanapiyevaF.

Фатима Мухидиновна Канапиева – ведущий научный сотрудник

 050040, Республика Казахстан, г. Алматы, пр. аль-Фараби, 71 

Fatima Mukhidinovna Kanapiyeva – Candidate of Chemical Sciences, leading researcher

 

 050040, Republic of Kazakhstan, Almaty, 71, al-Farabi Ave. 

fatima31@mail.ruКазахский Национальный университет им. аль-ФарабиКазахстанal-Farabi Kazakh National universityKazakhstan20242903202401(13)353361Copyright © Абдрасилова А.К., Василина Г.К., Абдильдина К.М., Канапиева Ф.М., 20242024Абдрасилова А.К., Василина Г.К., Абдильдина К.М., Канапиева Ф.М.Abdrassilova A., Vassilina G., Abdildina K., Kanapiyeva F.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://tech.vestnik.shakarim.kz/jour/article/view/583

Ограничение на содержание ароматических углеводородов и серы связано с требованиями экологических стандартов Euro-5. При сгорании эти вещества высвобождают высокотоксичные соединения в атмосферу, негативно воздействуя на здоровье человека и окружающую среду. Кроме того, высокая концентрация ароматических углеводородов в дизельном топливе существенно снижает его качество, приводя к образованию сажи и уменьшению цетанового числа. Согласно стандартам Euro-5, содержание полициклических ароматических углеводородов и соединений серы не должно превышать 8% и 10 мг/кг соответственно. Для решения задачи производства высококачественного дизельного топлива используется процесс гидроочистки в присутствии гетерогенных катализаторов.В статье представлен синтез мезопористых алюмосиликатов и бифункциональных катализаторов на их основе для изучения активности процесса гидроочистки на модельной смеси. Полученные образцы исследовались с использованием различных физикохимических методов, таких как СЭМ, адсорбция/десорбция азота при низкой температуре, рентгеноструктурный анализ и Фурье-преобразование инфракрасного спектра. Было установлено, что катализаторы Ni/MAS-H-бентонит и Mo/MAS-H-бентонит проявляют высокую активность и селективность в процессе гидроочистки при оптимальных условиях (240°C, 3 МПа и 0,5 ч-1).

The limitation on the content of aromatic hydrocarbons and sulfur is associated with environmental requirements according to Euro-5 standards. Upon combustion, these substances release highly toxic compounds into the atmosphere, adversely affecting human health and the surrounding environment. Additionally, a high concentration of aromatic hydrocarbons in diesel fuel significantly degrades its quality, leading to soot formation and reducing its cetane number. According to Euro-5 standards, the content of polycyclic aromatic hydrocarbons and sulfur compounds should not exceed 8% and 10 mg/kg, respectively. To address the challenge of producing high-quality diesel fuels, the hydrotreatment process is employed in the presence of heterogeneous catalysts.The article presents the synthesis of mesoporous aluminosilicates and bifunctional catalysts based on them to study the activity of the hydrotreatment process for a model mixture. The obtained samples were investigated using various physico-chemical methods such as SEM, low-temperature nitrogen adsorption/desorption, XRD, and FT-IR. It was established that the Ni/MAS-H-bentonite and Mo/MAS-H-bentonite catalysts exhibit high activity and selectivity in the hydrotreatment process under optimal conditions (240°C, 3 MPa, and 0.5 h-1).

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The authors declare that there are no conflicts of interest present.