Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Yohanes Andre Situmorang"'
Autor:
Mardiah Mardiah, Tjokorde Walmiki Samadhi, Winny Wulandari, Aqsha Aqsha, Yohanes Andre Situmorang, Antonius Indarto
Publikováno v:
AgriEngineering, Vol 5, Iss 4, Pp 2155-2169 (2023)
Gum rosin is an important agricultural commodity which is widely used as a raw material for various industries. However, gum rosin has low stability, crystallizes easily, and tends to oxidize. This is due to carboxyl groups and conjugated double bond
Externí odkaz:
https://doaj.org/article/29cbf8d07c7c4d9d8cef19432ba55766
Autor:
Zhongkai Zhao, Yohanes Andre Situmorang, Ping An, Jingxuan Yang, Xiaogang Hao, Jenny Rizkiana, Abuliti Abudula, Guoqing Guan
Publikováno v:
Carbon Resources Conversion, Vol 5, Iss 4, Pp 310-319 (2022)
Currently, CO2 conversion and utilization have become a key to mitigate the global warming. In this study, a novel separate-type autothermal dry reforming of methane (S-ATDRM) system is proposed and simulated, in which the methane dry reforming combi
Externí odkaz:
https://doaj.org/article/51f2f0e06b2b4bb4ab96e94ab4333165
Autor:
Ping An, Zhennan Han, Kangjun Wang, Jiguang Cheng, Zhongkai Zhao, Yohanes Andre Situmorang, Jenny Rizkiana, Abuliti Abudula, Guoqing Guan
Publikováno v:
Carbon Resources Conversion, Vol 4, Iss , Pp 122-131 (2021)
A transport bed flash calcination (TBFC) process applied to magnesite is systematically investigated through process simulation to optimize the energy-saving strategy. The high-temperature calciner flue gas is used to preheat the fed magnesite, while
Externí odkaz:
https://doaj.org/article/a18eac5fc64f4644bfc993398d0e6192
Autor:
Tri Partono Adhi, Yohanes Andre Situmorang, Haryo Pandu Winoto, Danu Ariono, Diannisa Septiana, Patricia Imanuela, Antonius Indarto
Publikováno v:
Heliyon, Vol 7, Iss 12, Pp e08611- (2021)
Acid gas removal, especially H2S and CO2, is an essential process in natural gas processing. In this research, 1-butyl-3-methylimidazolium bromide [bmim][Br] ionic liquid was analyzed as a hydrophobic solvent with has high selectivity to H2S as an en
Externí odkaz:
https://doaj.org/article/391d02ffe37c45fc8f9326c58ef25c39
Autor:
Endar Puspawiningtiyas, Oki Muraza, Hary Devianto, Meiti Pratiwi, Subagjo, Tirto Prakoso, Krisnawan, Usamah Zaki, Lidya Elizabeth, Tatang H. Soerawidjaja, Yohanes Andre Situmorang, Antonius Indarto
Publikováno v:
Molecules, Vol 27, Iss 3, p 667 (2022)
The production of sustainable diesel without hydrogen addition remains a challenge for low-cost fuel production. In this work, the pyrolysis of unsaturated fatty acid (UFA) basic soaps was studied for the production sustainable diesel (bio-hydrocarbo
Externí odkaz:
https://doaj.org/article/992fdc565e254c4881690fcb59e98a47
Autor:
Irwan Kurnia, Surachai Karnjanakom, Irkham Irkham, Haryono Haryono, Yohanes Andre Situmorang, Antonius Indarto, Atiek Rostika Noviyanti, Yeni Wahyuni Hartati, Guoqing Guan
Publikováno v:
RSC Advances. 13:220-227
Activated carbon (AC) is an effective and inexpensive adsorbent material for dye removal, but it cannot always be used repeatedly. Furthermore, the adsorbed dyes with toxicity usually remain on its surface. In this study, a thermal air oxidation proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16449ebd0fcab21350919fa1effb0d22
https://doi.org/10.1039/d2ra06481b
https://doi.org/10.1039/d2ra06481b
Autor:
Prasert Reubroycharoen, Yohanes Andre Situmorang, Aisikaer Anniwaer, Surachai Karnjanakom, Yutaka Kasai, Abuliti Abudula, Nichaboon Chaihad, Guoqing Guan, Irwan Kurnia
Publikováno v:
Renewable Energy. 169:283-292
Hierarchical HZSM-5 zeolites were prepared by desilication of commercial HZSM-5 in aqueous NaOH solutions with the assistance of tetrapropylammonium hydroxides (TPAOH), and applied for the catalytic upgrading of bio-oil derived from the fast pyrolysi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1adffe6b80522b0027b60c26f51e0178
https://doi.org/10.1016/j.renene.2021.01.013
https://doi.org/10.1016/j.renene.2021.01.013
Autor:
Yohanes Andre Situmorang, Yutaka Kasai, Abuliti Abudula, Chao Wang, Zhongkai Zhao, Aisikaer Anniwaer, Guoqing Guan, Nichaboon Chaihad
Publikováno v:
International Journal of Hydrogen Energy. 46:3640-3650
Co-pyrolysis of two different types of biomass among apple tree branch (ATB), knotweed stem (KWS), seaweed (SW) and rice straw (RSt) was conducted to obtain co-pyrolysis char (co-char), and then the steam gasification of those co-chars was compared w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd5093a1ac0cf410c534915454f9c4a1
https://doi.org/10.1016/j.ijhydene.2020.10.199
https://doi.org/10.1016/j.ijhydene.2020.10.199
Autor:
Guoqing Guan, Yohanes Andre Situmorang, Aisikaer Anniwaer, Yutaka Kasai, Akihiro Yoshida, Abuliti Abudula, Xiaogang Hao, Tao Yu, Abulikemu Abudukeranmu
Publikováno v:
International Journal of Hydrogen Energy. 45:18321-18330
In this study, the gas production behavior from the steam gasification of the biochar derived from the pruned apple brunch was investigated using a fixed-bed reactor. The optimal biochar obtained at the pyrolysis temperature of 550 °C was gasified u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf0ef6be319a61719d4a179d7c1ebd57
https://doi.org/10.1016/j.ijhydene.2019.02.226
https://doi.org/10.1016/j.ijhydene.2019.02.226
Autor:
Xiaogang Hao, Chihiro Fushimi, Jingxuan Yang, Akihiro Yoshida, Guoqing Guan, Zhongkai Zhao, Atsushi Tsutsumi, Yohanes Andre Situmorang, Abuliti Abudula
Publikováno v:
Advanced Powder Technology. 31:3028-3037
A Eulerian-Eulerian model incorporating the kinetic theory of granular flow was adopted to simulate the gas-solids flow behaviors in a dense downer below a conventional downer, which could be used for the further pyrolysis of coal and/or decompositio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80337fb23870ef17c5f362d02bbbde0d
https://doi.org/10.1016/j.apt.2020.05.022
https://doi.org/10.1016/j.apt.2020.05.022