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pro vyhledávání: '"Light Olefins"'
Akademický článek
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Akademický článek
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Autor:
Qing He, Oguzhan Akin, Yannick Ureel, Parviz Yazdani, Lingfeng Li, Robin John Varghese, Kevin M. Van Geem
Publikováno v:
Frontiers in Chemical Engineering, Vol 6 (2024)
Designing an active, selective, and stable catalyst for catalytic polyolefin pyrolysis is crucial for enhancing energy efficiency and economic viability in chemical processes. In this study, two synthesis methods—NaOH and NaOH/CTAB treatments—wer
Externí odkaz:
https://doaj.org/article/73784b07cc2945dc85a8a0e8cdd28451
Publikováno v:
Artificial Intelligence Chemistry, Vol 2, Iss 1, Pp 100067- (2024)
Methanol-to-olefins (MTO), as an alternative pathway for the synthesis of light olefins (ethylene and propylene), has gained extensive attention. Accurate prediction of light olefins yields can effectively facilitate process monitoring and optimizati
Externí odkaz:
https://doaj.org/article/92f276f415c040a182df74e6f05333a8
Publikováno v:
Fuel Communications, Vol 19, Iss , Pp 100116- (2024)
The work aims to determine the kinetic parameters of reactions for production of light olefins via catalytic cracking reactions of C4–C6 n-alkanes based on the energy characteristics of the transition state using quantum chemical calculations. Crac
Externí odkaz:
https://doaj.org/article/319315da626f4cb6820945da544dab5b
Autor:
Muhammad Faryad Ali, Mu He, Muhammad Rizwan, Yueqin Song, Xiaolong Zhou, Muhammad Asif Nawaz, Hui Sun, Mengke Zhou, Peng Jiang
Publikováno v:
Frontiers in Chemistry, Vol 12 (2024)
Naphtha, as the primary raw material in the production of light olefins, could well accommodate their increasing demand through the energy-efficient process of catalytic cracking with ZSM-5. In the current work, different amounts of lanthanum and pho
Externí odkaz:
https://doaj.org/article/fe0c9ae91e664b4facfc38c31a5685e1
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 3, Pp 101833- (2024)
In this research, zeolite ZSM-12 with Si/Al ratio = 80 was synthesized by hydrothermal method. The synthesized zeolite ZSM-12 was modified using Fe and Ga metals and a combination of these two metals, 1 % iron metals (Z80-Fe) and 1 % gallium metals(Z
Externí odkaz:
https://doaj.org/article/ff7583dafa2145e9a6a507ac5ac05dc6
Publikováno v:
Engineering, Vol 30, Iss , Pp 100-109 (2023)
Light olefins are important organic building blocks in the chemicals industry. The main low-carbon olefin production methods, such as catalytic cracking and steam cracking, have considerable room for improvement in their utilization of hydrocarbons.
Externí odkaz:
https://doaj.org/article/69f069017f0443ecadddc6c242bfdb0d
Autor:
Shadi Moammer, Jafar Towfighi
Publikováno v:
Advances in Environmental Technology, Vol 9, Iss 4, Pp 310-321 (2023)
Thermal cracking of hydrocarbons at 850-900 degree centigrade is the governing technology worldwide for light olefins production. But the most disadvantages of this route is large energy consumption and air pollution because of flue gas emission cont
Externí odkaz:
https://doaj.org/article/c9cd14b897414549b8d33b397204efb1
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 2, Pp 101816- (2024)
Silicoaluminophosphate-18 (SAPO-18) may be a potential catalyst with relatively enhanced stability in dimethyl ether to olefins (DTO) process. In this work, the effect of post-treatment with hydrochloric acid (1 ∼ 5 h with 0.01 ∼ 0.2 M HCl) was i
Externí odkaz:
https://doaj.org/article/8c1f59cfeab34d5f8425bea551e2a422