Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Ramli Irmawati"'
Autor:
Amadi Fidelis Uchenna, Ramli Irmawati, Yun Hin Taufiq-Yap, Saiman Mohd Izham, Usman Idris Nda-Umar
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 8, Pp 104865- (2023)
A biomass derived carbon supported yttrium oxide catalyst (Y2O3/PKS-T700) was synthesized and evaluated in glycerol acetylation reaction using four-factor, two-level face-centred central composite design (24 CCD) of the response surface methodology (
Externí odkaz:
https://doaj.org/article/6ffdc383faf24edeac41945b4a629914
Autor:
Nur Alia Sheh Omar, Yap Wing Fen, Ramli Irmawati, Hazwani Suhaila Hashim, Nur Syahira Md Ramdzan, Nurul Illya Muhamad Fauzi
Publikováno v:
Nanomaterials, Vol 12, Iss 14, p 2365 (2022)
The development of carbon dots (CDs), either using green or chemical precursors, has inevitably led to their wide range application, from bioimaging to optoelectronic devices. The reported precursors and properties of these CDs have opened new opport
Externí odkaz:
https://doaj.org/article/5d94da6eed5745f187876e37c81a7b63
Publikováno v:
Journal of King Saud University: Science, Vol 33, Iss 4, Pp 101417- (2021)
In this work, several copper supported catalysts, Cu/Dol, Cu/Al2O3, Cu/Bent, Cu/Mont, and Cu/Talc were prepared using wet impregnation route and characterized using BET, BJH, XRD, H2-TPR, NH3–TPD, and SEM analytical techniques and subsequently test
Externí odkaz:
https://doaj.org/article/ab47046396074661835103fdc41ba6e0
Publikováno v:
Arabian Journal of Chemistry, Vol 14, Iss 4, Pp 103047- (2021)
Hydrogenolysis of biomass-derived glycerol is an alternative route to produce 1,2-propanediol. A series of transition metals supported on dolomite catalysts (Cu/Dol, Ni/Dol, Co/Dol, Fe/Dol, Zn/Dol) were prepared via impregnation, calcined at 500 °C
Externí odkaz:
https://doaj.org/article/4e42569f9b86412dbca56215708f89e4
Autor:
Mohamad Rasid Shera Farisya, Ramli Irmawati, Ishak Nor Shafizah, Yun Hin Taufiq-Yap, Ernee Noryana Muhamad, Siew Ling Lee, Nurrulhidayah Salamun
Publikováno v:
Catalysts, Vol 11, Iss 12, p 1542 (2021)
In this research, a solid acid catalyst was synthesized to catalyse glycerol acetylation into acetins. The sulphated-titania catalysts were prepared via the wet impregnation method at different sulfuric acid concentrations (5%, 10%, 15%, and 20%) and
Externí odkaz:
https://doaj.org/article/6046b9f3e6e24fd7877f87c42117b512
Autor:
Azri, Norsahida, Ramli, Irmawati, Nda-Umar, Usman Idris, Shamsuddin, Mohd Razali, Saiman, Mohd Izham, Taufiq-Yap, Yun Hin
Publikováno v:
In Journal of the Taiwan Institute of Chemical Engineers July 2020 112:34-51
Akademický článek
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Publikováno v:
In Journal of Organometallic Chemistry 1 July 2016 813:71-77
Autor:
Farid, Mohammed Abdillah Ahmad, Zakaria, Mohd Rafein, Ramli, Irmawati, Yunus, Robiah, Hassan, Mohd Ali
Publikováno v:
In Sustainable Biodiesel 2023:21-69
Autor:
Norsahida Azri, Muhamad Yahaya, Usman Idris Nda-Umar, Ramli Irmawati, Yun Hin Taufiq-Yap, Nor Shafizah Ishak, Ernee Noryana Muhamad
Publikováno v:
Journal of the Taiwan Institute of Chemical Engineers. 118:355-370
Organosulfonic acid-functionalized biomass-derived carbon catalysts were developed using different aryl and alkyl sulfonating reagents at low concentrations. The catalysts were characterized using advanced analytical techniques and evaluated in glyce