Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Hesti Wijayanti"'
Autor:
Hesti Wijayanti, Primata Mardina, Abubakar Tuhuloula, Lidya Tri Ananda, Zahwa Syafa Aulia Rauf, Auliyani Lutfi, Syahril Fadil Riyadi
Publikováno v:
Communications in Science and Technology, Vol 8, Iss 1, Pp 25-30 (2023)
This study aims to develop an efficient separation method for phenolic compounds derived from the heavy phase of bio-oil produced by the pyrolysis of palm kernel shell. Two variables were investigated during phenolic compound extraction using dichlor
Externí odkaz:
https://doaj.org/article/98baac07adef41a5a5251f63b7dd5eee
Publikováno v:
Communications in Science and Technology, Vol 6, Iss 2, Pp 60-68 (2021)
The utilization of an appropriate catalyst in biodiesel production depends on the free fatty acid content of vegetable oil as a feedstock. Recently, heterogeneous acid catalysts are widely chosen for biodiesel production. However, these catalysts are
Externí odkaz:
https://doaj.org/article/d710c44e70cf4e3290cf711dd84fac7a
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 2, Pp 37-42 (2021)
Generally, biomass consists of various amounts of minerals. These minerals influence the biomass characteristics and behavior during their use in a thermochemical process such as pyrolysis. The conversion during pyrolysis and its final product will b
Externí odkaz:
https://doaj.org/article/c4b495a26f3143068004f6589def5813
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 39, Iss 6, Pp 271-279 (2020)
e husk is counted as an agricultural waste that results in environmental problems during its handling. In this work, rice husk was used as raw material for producing liquid biofuel (pyrolysis oil) via pyrolysis. The pyrolysis reaction was carried out
Externí odkaz:
https://doaj.org/article/ddc80dc121d141849560583fb32328ec
Autor:
Iryanti Fatyasari Nata, Chairul Irawan, Meilana Dharma Putra, Hesti Wijayanti, Yuniza Shentya Dewi, Yenny Meliana
Publikováno v:
Magnetochemistry, Vol 8, Iss 12, p 183 (2022)
Biomass is a material that can be potentially used as a natural fiber resource. Rice husk (RH) and sugarcane bagasse (SB), respectively containing 36.6% and 60% cellulose, are fibers that have the potential for biocomposite formation. In this study,
Externí odkaz:
https://doaj.org/article/b3decd2929194dce9144c4839af767e0
Publikováno v:
Al-Ulum, Vol 5, Iss 1, Pp 26-29 (2019)
This research was conducted with the aim of plastic bottle waste utilization in the manufacture of plastic bricks and to find out how much the compressive strength of plastic bricks produced. The variations used in this study are plastic bottle waste
Externí odkaz:
https://doaj.org/article/beeacab10ff843e0ab1ef49725cd006d
Autor:
Yulia Nurul Ma’rifah, Iryanti Nata, Hesti Wijayanti, Agus Mirwan, Chairul Irawan, Meilana Dharma Putra, Kawakita Hidetaka
Publikováno v:
International Journal of Technology, Vol 10, Iss 3, Pp 512-520 (2019)
The main purpose of this study is to produce and generate a solid acid catalyst from biomass with high reactivity that can be used in catalytical reactions such as hydrolysis, and is environmentally friendly and reusable. A biocarbon-based sulfona
Externí odkaz:
https://doaj.org/article/4ad9a9dc91894ef0aa16d26b7c657eb1
Publikováno v:
Journal of Wetlands Environmental Management, Vol 7, Iss 1, Pp 76-83 (2019)
Research has been carried out about raw water treatment of PDAM Bandarmasih by hydrotalcite (Mg/Al) + chitosan (shell of haruan and papuyu fish) adsorbent reviews of decreasing dye value (PtCo), iron (Fe), and turbidity. This research intended to pro
Externí odkaz:
https://doaj.org/article/b9d47f90164e4ca4864eeb23faf1d9e4
Autor:
Chairul Irawan, Meilana Dharma Putra, Hesti Wijayanti, Rinna Juwita, Yenny Meliana, Iryanti Fatyasari Nata
Publikováno v:
Molecules, Vol 26, Iss 19, p 5867 (2021)
The method of solvothermal by one-step operation has been performed to synthesize of magnetic amine-functionalized sugarcane bagasse biocomposites (SB-MH). The obtained SB-MH contains 62.34% of Fe, 17.8 mmol/g of amine, and a magnetic property of 19.
Externí odkaz:
https://doaj.org/article/c62e136e15344f01bba950d462af5e5c
Publikováno v:
Jurnal Kimia Sains dan Aplikasi, Vol 24, Iss 2, Pp 37-42 (2021)
Generally, biomass consists of various amounts of minerals. These minerals influence the biomass characteristics and behavior during their use in a thermochemical process such as pyrolysis. The conversion during pyrolysis and its final product will b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aac38d2c9c0ad43425049bef74002c86
https://ejournal.undip.ac.id/index.php/ksa/article/view/35373
https://ejournal.undip.ac.id/index.php/ksa/article/view/35373