Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Harmami"'
Autor:
Kartika A. Madurani, Soraya Firdausi, Harmami Harmami, Ita Ulfin, Erika Shinchi, Shaimah Rinda Sari, Masato Tominaga, Fredy Kurniawan
Publikováno v:
Applied Surface Science Advances, Vol 22, Iss , Pp 100620- (2024)
Many organic inhibitors have been proposed for corrosion protection of 304 stainless steel (SS), but its effectiveness in acidic and high temperature environment is challenged. We utilized Tithonia diversifolia (Hemsl) A. grey leaf extract (TDLE) as
Externí odkaz:
https://doaj.org/article/8cfadcfb582d42d691dc6b89ba71b191
Publikováno v:
Indonesian Journal of Chemical Analysis, Vol 7, Iss 1 (2024)
Identification of acetic acid-ethanol mixtures using a commercial gas sensor array equipped with ensemble regression has been carried out. The gas sensor analysis was simple, rapid, and fast since it did not require any sample preparation. A quantita
Externí odkaz:
https://doaj.org/article/b6d407f7a4834f768d9baa38d0718d2b
Publikováno v:
E3S Web of Conferences, Vol 503, p 04004 (2024)
This work evaluates the optimum condition of the esterification reaction of oleic acid (OA) and ethanol by Dean-Stark trap (DS) and without technology, as well as the effects of the various factors’ interaction on the conversion rate of OA. The inf
Externí odkaz:
https://doaj.org/article/53a858f2ef2b46daa76c7f8e9524334d
Autor:
Hendro Juwono, Triyono Triyono, Sutarno Sutarno, Endang Tri Wahyuni, Harmami Harmami, Ita Ulfin, Fredy Kurniawan
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 12, Iss 3, Pp 337-342 (2017)
The production of hydrocarbon (C7-C20) and alcohol (C11-C19) from fatty acid methyl esters (FAMEs) compound are produced from the transesterification of the seed oil of the Nyamplung that has been conducted by the catalytic hydrocracking using Al-MCM
Externí odkaz:
https://doaj.org/article/71df3c15ec654d10b7ed900e4b2d8463
Autor:
Madurani, Kartika A., Firdausi, Soraya, Harmami, Harmami, Ulfin, Ita, Shinchi, Erika, Sari, Shaimah Rinda, Tominaga, Masato, Kurniawan, Fredy
Publikováno v:
In Applied Surface Science Advances August 2024 22
Autor:
Putro, Herdayanto Sulistyo, Zulfaidah, Farah Alifia, Anggraini, Yohana Putri Citra, Tuasamu, Siti Zahrany, Marpaung, Bernika Aurelia, Yustanti, Astri Elsa, Widodo, Marchelina Permatasari, Nugraheni, Zjahra Vianita, Putra, Surya Rosa, Harmami, Harmami, Gunawan, Setiyo
Publikováno v:
AIP Conference Proceedings; 2024, Vol. 3071 Issue 1, p1-22, 22p
Publikováno v:
Engineering Chemistry; June 2024, Vol. 7 Issue: 1 p61-70, 10p
Autor:
Yuningsih, Nabila Eka, Ariani, Latifa, Suprapto, Suprapto, Ulfin, Ita, Harmami, Harmami, Juwono, Hendro, Ni'mah, Yatim Lailun
Publikováno v:
Journal of Renewable Materials; 2024, Vol. 12 Issue 5, p981-992, 12p
Autor:
Ulfin, Ita, Harmami, Fadlan, Arif, Mujahidah, Adinda Islakhul, Melinda, Adiniar Lailatul, Karisma, Erika Dewi
Publikováno v:
AIP Conference Proceedings; 2024, Vol. 3071 Issue 1, p1-8, 8p
Publikováno v:
World Journal of Advanced Engineering Technology and Sciences. 8:330-338
In the present study, the catalytic cracking process of polystyrene (PS) plastic waste and biodiesel of candlenut oil was carried out using Si/Al-ceramic catalyst with a mass ratio of 7:3 at 300 °C. This study aimed to investigate the effect of reac