Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Nada S. Ahmedzeki"'
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 21, Iss 4 (2020)
The moisture sorption isotherms of Mefenamic acid tablets were investigated by measuring the experimental equilibrium moisture content (EMC) using the static method of saturated salt solutions at three temperatures (25, 35, and 45°C) and water activ
Externí odkaz:
https://doaj.org/article/5a6f63860e8c4ebcbec0c44343e9fbe1
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 18, Iss 3 (2018)
Activated carbon loading with metals oxides is new adsorbents and catalyst, which seem very promising for desulfurization process. The present study deals with the preparation of three metals oxides loaded on activated carbon (AC). The tri composite
Externí odkaz:
https://doaj.org/article/525267ddffd84b55acb4d3f20234f419
Publikováno v:
Al-Khawarizmi Engineering Journal, Vol 12, Iss 1 (2017)
Worldwide attention is being focused on nanocrystalline zeolites and they are replacing conventional ones due to their pronounced potential in many fields. In this study, NaY zeolite has been prepared hydrothermally using sol –gel method and modifi
Externí odkaz:
https://doaj.org/article/31b57e7374e94e52b72553f078004f3f
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 18, Iss 1 (2017)
In present work examined the oxidation desulfurization in batch system for model fuels with 2250 ppm sulfur content using air as the oxidant and ZnO/AC composite prepared by thermal co-precipitation method. Different factors were studied such as comp
Externí odkaz:
https://doaj.org/article/4d34a7ce36984ed69738d5a7b985ffaa
Autor:
Nada S. Ahmedzeki, Ban A. Al-Tabbakh
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 17, Iss 3 (2016)
In the present work, zeolite Y has been synthesized successfully by sol-gel method.Zeolite was synthesized by crystallization of the final gel which consist from seeding and feed stock gels at 85 oC. HY zeolite was prepared by an ion exchange process
Externí odkaz:
https://doaj.org/article/e5e997af4f2743dba286e01d9b30432d
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 14, Iss 4 (2013)
The esterification reaction of ethyl alcohol and acetic acid catalyzed by the ion exchange resin, Amberlyst 15, was investigated. The experimental study was implemented in an isothermal batch reactor. Catalyst loading, initial molar ratio, mixing tim
Externí odkaz:
https://doaj.org/article/f10bb68df4b749dcb36e9ad56770ac7e
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 12, Iss 4 (2011)
Spent hydrodesulfurization (Co-Mo/γ-Al2O3) catalyst generally contains valuable metals like molybdenum (Mo), cobalt (Co), aluminium (Al) on a supporting material, such as γ-Al2O3. In the present study, a two stages alkali/acid leaching process was
Externí odkaz:
https://doaj.org/article/df2547a4781f481491a29dcfcc0b27d3
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 21, Iss 4 (2020)
The moisture sorption isotherms of Mefenamic acid tablets were investigated by measuring the experimental equilibrium moisture content (EMC) using the static method of saturated salt solutions at three temperatures (25, 35, and 45°C) and water activ
Publikováno v:
Journal of Engineering. 26:15-34
The fluctuation and expansion ratios have been studied for cylindrical gas-solid fluidized columns by using air as fluidizing medium and Paracetamol as the bed material. The variables were the column diameter (0.0762, 0.15, and 0.18 m), static bed he
Publikováno v:
Reaction Kinetics, Mechanisms and Catalysis. 125:1127-1138
Naphtha catalytic reforming process using bimetallic platinum and titanium loaded on nano synthesized HY zeolite was investigated for the product octane number enhancement. The activity of five samples of the prepared catalyst with different bimetall