Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Ratu Ulfiati"'
Autor:
Donanta Dhaneswara, Audrey Tsania, Jaka Fajar Fatriansyah, Andreas Federico, Ratu Ulfiati, Rifai Muslih, Mohd Sufri Mastuli
Publikováno v:
International Journal of Technology, Vol 15, Iss 2, Pp 373-382 (2024)
In Indonesia, the rising sugar production contributes to an increase in sugarcane bagasse waste. This waste can be used for environmental purposes, such as the treatment of colorants in the textile industry using mesoporous silica materials. Previ
Externí odkaz:
https://doaj.org/article/425dc822192240b49aede52794e99d5c
Publikováno v:
International Journal of Technology, Vol 13, Iss 4, Pp 860-869 (2022)
This article describes the study of synthesis of ZSM-5 Zeolite based on kaolin as catalysts for catalytic cracking of heavy distillate. There are five types of formulas A, B, C, D, and E synthesized with varying the molar ratios of SiO2/Al2O3, SiO
Externí odkaz:
https://doaj.org/article/edf4ee43566449299eb0dda6c23f06bd
Autor:
Ratu Ulfiati
Publikováno v:
Scientific Contributions Oil and Gas. 32:27-30
Increasing environmental awareness led to the development of environmentally harmless lubricants made by biodegradable materials. Biodegradable lubricants are suitable for various kinds of application, one of the promising usages is for railways. Oil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ff71c632b417f2469c22a55ee3e92e3
https://doi.org/10.29017/scog.32.1.830
https://doi.org/10.29017/scog.32.1.830
Autor:
Ratu Ulfiati
Publikováno v:
Lembaran publikasi minyak dan gas bumi. 44:198-203
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c2a6952c5e5dc5ae63abe6d2e162daa
https://doi.org/10.29017/lpmgb.44.2.164
https://doi.org/10.29017/lpmgb.44.2.164
Autor:
Farid Mifthahul Rozaq, Ratu Ulfiati, Sri Harjanto, Muhammad Ara Alif Putra, Jaka Fajar Fatriansyah
Publikováno v:
AIP Conference Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54be7ce48f4597352f952cf1d9ef6ba8
https://doi.org/10.1063/5.0114958
https://doi.org/10.1063/5.0114958
Publikováno v:
AIP Conference Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1eea33768d9702656f3e238453355896
https://doi.org/10.1063/5.0116267
https://doi.org/10.1063/5.0116267
Publikováno v:
AIP Conference Proceedings.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4ae5253c19bd84f94079d6c49986e5d
https://doi.org/10.1063/5.0116265
https://doi.org/10.1063/5.0116265
Autor:
Ratu Ulfiati
Publikováno v:
Scientific Contributions Oil and Gas. 42:29-34
Low quality heavy oils and residues, which are subsequently obtained by processing heavy crudes, are considered as alternate suitable source for transportation fuels, energy and petrochemicals. ZSM-5 zeolite with high Si/Al ratio and modified with ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25a54d4c11fce84107a30c8d25e0704d
https://doi.org/10.29017/scog.42.1.384
https://doi.org/10.29017/scog.42.1.384
Publikováno v:
Key Engineering Materials. 841:312-316
The effect of Metakaolinization on the thermal and physicochemical properties of Badau Belitung kaolin is presented. Calcination of Badau Belitung kaolin indicated that kaolin was transformed to metakaolin at temperature above 500°C. The metakaolin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e706f5b50c497ca56ce04bcb80acdb63
https://doi.org/10.4028/www.scientific.net/kem.841.312
https://doi.org/10.4028/www.scientific.net/kem.841.312
Autor:
Irsyad, Muhammad Indra Al, Anggono, Tri, Wardani, Monica Wisnu, Srikandi, Gea Prita, Hasan, Katherine, Dedi Suntoro, Vetri Nurliyanti, Paber Parluhutan Sinaga, Renyta Citra, Marlina Pandin, Rasyid, Harun Al, Errie Kusriadie, Arief Heru Kuncoro, Rivai, Abdul, Kusuma, Ardian Marta, S.M.S., Adolf Leopold, I Made Agus Dharma Susila, Ratu Ulfiati, Efendi, Nur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87bfdacdf50b11543a654cf231c1584b
