Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Surya Lubis"'
Publikováno v:
South African Journal of Chemical Engineering, Vol 47, Iss , Pp 254-261 (2024)
This study focused on the modification of chitosan with glycine and TiO2 to improve its performance for adsorption application. It is the first study to use a combination of chitosan, glycine, and TiO2 in the preparation of composite films. The obtai
Externí odkaz:
https://doaj.org/article/6df945160586488f85ce081a9b923255
Autor:
Siti Maisarah, Muliadi Ramli, Minnati Rana Maisarah, Dini Satrina, Surya Lubis, Rara Mitaphonna, Desi Novita
Publikováno v:
Aceh International Journal of Science and Technology, Vol 12, Iss 3, Pp 327-336 (2023)
This research has utilized fish bone wastes of tuna (Katsuwonus pelamis) collected at the Lampulo fish market in Banda Aceh. Inorganic oxides have been derived from those fish bone wastes through the decomposition method at high temperatures, namely
Externí odkaz:
https://doaj.org/article/2a2cb3a70c064061904d106b988bac51
Publikováno v:
Jurnal Natural, Vol 18, Iss 1, Pp 38-43 (2018)
In this paper, TiO2/α-Fe2O3 composite with high photocatalytic activity was prepared by a mechanical milling using iron sand from Lampanah in Aceh Besar regency as hematite (α-Fe2O3) source. Hematite was extracted from iron sand by using hydrochlor
Externí odkaz:
https://doaj.org/article/3107f9a020f6457a87c5a24df3cb0e55
Publikováno v:
Jurnal Natural, Vol 16, Iss 1 (2016)
TiO2/activated carbon derived from waste coffee grounds (TiO2/WCGAC) has been prepared by a sol gel method . Waste coffee ground was chemically activated using hydrochloric acid 0.1 M solution and modified with titanium tetraisopropoxide as TiO2 prec
Externí odkaz:
https://doaj.org/article/f7f71b51931c4f7c8bf293b5f6e20831
Autor:
Surya Lubis
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 6, Iss 2, Pp 77-81 (2007)
Penelitian tentang modifikasi bentonit dari Kuala Dewa, Aceh Utara menjadi bentonit terpilar alumina dan uji aktivitasnya pada reaksi dehidrasi etanol, 1-propanol dan 2-propanol telah dilakukan. Bentonit alam (Ca-bentonit) dimodifikasi melalui proses
Externí odkaz:
https://doaj.org/article/2428c7a479824f15ad891c1e63b2c3e7
Autor:
Surya Lubis
Publikováno v:
Jurnal Rekayasa Kimia & Lingkungan, Vol 7, Iss 1 (2009)
Cu/Silica gel catalyst preparation by using silica content which is obtained from Sabang natural crystobalit has been done. Isolated silica from crystobalit is reacted with natrium hidroxide to produce silicate natrium that reacted further with sulph
Externí odkaz:
https://doaj.org/article/fee06af088674c70be8112f06c00f911
Publikováno v:
International Journal of Design & Nature and Ecodynamics. 18:11-20
Publikováno v:
AIP Conference Proceedings.
Publikováno v:
AIP Conference Proceedings.
Autor:
Haya Fathana, Rahmi Rahmi, Surya Lubis, Muhammad Adlim, Omar Muktaridha, Muhammad Iqhramullah
The fabrication of Cellulose nanocrystals (CNCs) from sugarcane baggasse (SCB) using acid hydrolysis at various concentrations (5, 10, 20, 25, and 30%) and ultrasound-assisted is presented in this paper. The fabricated CNCs were also thoroughly analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd9abbb3fd5b30c480eec07587902076
https://doi.org/10.21203/rs.3.rs-1861036/v1
https://doi.org/10.21203/rs.3.rs-1861036/v1