Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Emad N. Shafei"'
Autor:
Mohammed A. Sanhoob, Emad N. Shafei, Abuzar Khan, Galal A. Nasser, Idris Bakare, Oki Muraza, Mohammed Z. Al-Bahar, Ali N. Al-Jishi, Hameed H. Al-Badairy, Aniz C. Ummer
Publikováno v:
ACS Omega, Vol 7, Iss 12, Pp 10317-10329 (2022)
Externí odkaz:
https://doaj.org/article/947845258cfb475dbe629a949feee02b
Autor:
Mohammed Z. Albahar, Mohammad F. Aljishi, Hameed Al-Badairy, Ali S. Al-Nasir, Mohammed A. Sanhoob, Ali N. Aljishi, Emad N. Shafei
Publikováno v:
Reaction Chemistry & Engineering. 7:123-132
A zirconia–titania-based catalyst was synthesized by a co-participation method to study the catalytic cracking of heavy naphtha (dodecane) into high value-added olefins. The nanocrystal-sized catalysts were characterized and the cluster consisted o
Publikováno v:
RSC Advances. 12:18274-18281
Nanozeolite-Y was synthesized in the absence of a templating agent with several modification methods. The parent nanozeolite-Y was prepared with different sodium (Na) contents and crystallization conditions. Then, the parent nanozeolite-Y was modifie
Autor:
Mohammed A, Sanhoob, Emad N, Shafei, Abuzar, Khan, Galal A, Nasser, Idris, Bakare, Oki, Muraza, Mohammed Z, Al-Bahar, Ali N, Al-Jishi, Hameed H, Al-Badairy, Aniz C, Ummer
Publikováno v:
ACS omega. 7(12)
This study emphasizes tuning the synthesis conditions of MFI zeolites to achieve better catalytic properties by optimizing the mesoporosity, the balance between Brønsted and Lewis sites, and the zeolite particle sizes. The MFI zeolites were hydrothe
Autor:
Oki Muraza, Ahmad Galadima, Ki-Hyouk Choi, Zain H. Yamani, Mohamed H.M. Ahmed, Anas Karrar Jamil, Emad N. Shafei
Publikováno v:
Energy & Fuels. 32:5501-5508
The steam cracking of n-dodecane was performed over Zr-modified BEA zeolite. The parent H–BEA zeolite was modified via Zr introduction following earlier treatment (desilication and dealumination). The procedure allowed for achievement of a Si/Zr mo
Publikováno v:
Applied Catalysis B: Environmental. 210:432-443
Continues consuming of fuel from fossil oil reservoirs due to the increase in energy demands encouraged scientists to use the pyrolysis of biomass in the production of clean energy. One of the most important product from the pyrolysis of biomass is d
Autor:
Mohamed H.M. Ahmed, Ki-Hyouk Choi, Oki Muraza, Anas Karrar Jamil, Emad N. Shafei, Zain H. Yamani
Publikováno v:
Energy & Fuels. 31:5482-5490
Steam catalytic cracking was performed over metal modified BEA zeolite. Nickel and cobalt were introduced to the desilicated BEA zeolite by substitution treatment. The method of metal incorporation used here allowed incorporation of the metal(s) into
Autor:
Oki Muraza, Ashok K. Punetha, Idris A. Bakare, Ki-Hyouk Choi, Toshiyuki Yokoi, Teguh Kurniawan, Emad N. Shafei, Zain H. Yamani
Publikováno v:
Microporous and Mesoporous Materials. 233:93-101
Stability of catalysts under steam and hot water environment is a crucial issue in upgrading of water-containing feedstocks such as biomass and heavy oil. The hydrothermal stability of MTT zeolite in hot water under autogenous pressure was investigat
Autor:
Anas Karrar Jamil, Emad N. Shafei, Oki Muraza, Ryota Osuga, Ki-Hyouk Choi, Zain H. Yamani, Ali Somali, Toshiyuki Yokoi
Publikováno v:
The Journal of Physical Chemistry C. 120:22918-22926
The hydrothermal stability of 1-D medium pore zeolites ZSM-22 with different nominal Si/Al ratios (30, 46, 80, and 100) was investigated in hot liquid water environments at different temperatures (100, 150, 200, and 250 °C) and different exposure ti
Publikováno v:
Fuel. 263:116624
Commercial BEA zeolite was modified under the radiation of microwave labstation with different modification strategies. Catalytic properties and textural properties were manipulated by desilication using sodium hydroxide or tetrapropyl ammonium hydro