Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Kalala Jalama"'
Publikováno v:
Heliyon, Vol 10, Iss 11, Pp e31349- (2024)
In this study, ruthenium-based catalysts were prepared for CO2 hydrogenation. Incipient-wetness-impregnation of the alumina-support with ruthenium (III) nitrosyl nitrate solution to achieve 0.5 wt% Ru loading on supports was used to prepare these cat
Externí odkaz:
https://doaj.org/article/c8e36d08269a485fad17262513afb424
Autor:
Lufuno Nemadodzi, Keneiloe Sikhwivhilu, Kalala Jalama, Kapil Moothi, Mokae Bambo, Shingirirai Mutanga, John Siame
Publikováno v:
Frontiers in Environmental Science, Vol 11 (2023)
Across the world population growth, expansion of economic activities and climate change have become a concern for future water supply. To address the issue, many countries are investigating strategies to augment current water supplies. Water reclamat
Externí odkaz:
https://doaj.org/article/a610d8a80ae44413af867f2f709a44ee
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 14, Iss 1, Pp 35-41 (2019)
The effect of activating Co/Al2O3 catalyst by diluted CO or H2 on catalyst performance for Fischer-Tropsch reaction was investigated. The catalyst was prepared by incipient wetness impregnation of the support and characterized using BET N2 physisorpt
Externí odkaz:
https://doaj.org/article/a3986dc4a853445c8b4605cb1f2401f9
Autor:
Kalala Jalama
Publikováno v:
Catalysis Reviews. 59:95-164
This study critically reviews the mechanism of CO2 hydrogenation over Ni, Ru, and Cu, and the effect of catalyst properties and operating conditions on reaction kinetics. Most studies have reported the presence of CO and formate species on Ni-, Ru-,
Publikováno v:
Carbohydrate Polymers. 155:89-100
In this study, butyl-etherified waxy and high amylose starches were melt-processed with biodegradable poly[(butylene succinate)-co-adipate] (PBSA) to improve the long-term stability of the starch-based materials. Butyl-etherification was believed to
Autor:
Rama Achtar Iloy, Kalala Jalama
Publikováno v:
Catalysts
Volume 9
Issue 10
Catalysts, Vol 9, Iss 10, p 807 (2019)
Volume 9
Issue 10
Catalysts, Vol 9, Iss 10, p 807 (2019)
Potassium (1&ndash
5 wt.%)-promoted and unpromoted Co/SiO2 catalysts were prepared by impregnation method and characterized by nitrogen physisorption, temperature-programmed reduction (TPR), CO2 temperature-programmed desorption (TPD), X-ray dif
5 wt.%)-promoted and unpromoted Co/SiO2 catalysts were prepared by impregnation method and characterized by nitrogen physisorption, temperature-programmed reduction (TPR), CO2 temperature-programmed desorption (TPD), X-ray dif
Autor:
Kalala Jalama
Publikováno v:
Catalysis Communications. 74:71-74
Co/TiO 2 catalyst activation for Fischer–Tropsch (FT) reaction by CO in comparison to H 2 has been performed. The catalyst, prepared by incipient wetness impregnation, has been characterized using X-ray diffraction (XRD) and X-ray photoelectron spe
Publikováno v:
Journal of CO2 Utilization. 41:101268
The effect of promoting 15%Co/Al2O3 catalyst with potassium on CO2 hydrogenation to longer-chain hydrocarbons was investigated. The catalysts used in this study were synthesized using an incipient wetness impregnation of the support with nitrate solu
Publikováno v:
Applied Catalysis A: General. 602:117645
Fischer–Tropsch cobalt-based catalyst deactivation is one of the major challenges facing gas-to-liquids processes. Changes in catalyst formulation and pre-treatment methods are among the promising routes to address this challenge. In this study, di