Zobrazeno 1 - 10
of 171
pro vyhledávání: '"Heru Setyawan"'
Autor:
Siti Machmudah, Wahyudiono, Prida Novarita Trisanti, Heru Setyawan, Suci Madhania, Kriyo Sambodho, Sugeng Winardi, Tadafumi Adschiri, Motonobu Goto
Publikováno v:
South African Journal of Chemical Engineering, Vol 51, Iss , Pp 45-56 (2025)
Like lignocellulosic biomass, wood waste sawdust is rich in cellulose and can potentially be used as a source of microcrystalline cellulose (MCC) production via removal of hemicellulose and lignin constituents. Under hydrothermal alkaline treatment (
Externí odkaz:
https://doaj.org/article/88269d37c43b438eadc6656e6b4040ac
Publikováno v:
ACS Omega, Vol 9, Iss 12, Pp 13994-14004 (2024)
Externí odkaz:
https://doaj.org/article/7b04075fec8345b793f817e482a1b151
Publikováno v:
Heliyon, Vol 10, Iss 5, Pp e26691- (2024)
A comparison of the amine-modified silica particle’s characteristics via ex- and in-situ routes and their application as a CO2 gas adsorbent is reported. Modifying silica particles via ex-situ involves two separate steps: forming porous silica part
Externí odkaz:
https://doaj.org/article/73fb42ff58894786af8c3024f0c0143e
Autor:
Ruly Bayu Sitanggang, Syarifa Nur’aini, Susanto Susanto, Widiyastuti Widiyastuti, Heru Setyawan
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6263 (2024)
The main drawback of seawater batteries that use the aluminum (Al)–air system is their susceptibility to anode self-corrosion during the oxygen evolution reaction, which, in turn, affects their discharge performance. This study consist of an electr
Externí odkaz:
https://doaj.org/article/77010304e9da413dbf70fe3335959b70
Autor:
Sella Ramadhani Alya Sasono, Mahardika F. Rois, W. Widiyastuti, Tantular Nurtono, Heru Setyawan
Publikováno v:
Results in Engineering, Vol 18, Iss , Pp 101070- (2023)
The high demand for supercapacitors has led to the importance of developing low-cost and eco-friendly materials. Instead of powders, nanofibers were widely developed as a carbon source to increase their durability and ease of handling. Herein, we rep
Externí odkaz:
https://doaj.org/article/36de070b565349edb237046d95f203c9
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 17, Iss 1, Pp 13-21 (2022)
Solid acid catalyst is a promising alternative to the counterpart homogeneous acid for esterification reaction from the viewpoint of reusability and environmental concerns. This work aims to develop sulfonated mesoporous silica-carbon composite as so
Externí odkaz:
https://doaj.org/article/3975e1cef9bd4f349be7b280dcbad0a6
Publikováno v:
ACS Omega, Vol 7, Iss 8, Pp 6760-6767 (2022)
Externí odkaz:
https://doaj.org/article/29e489c9ed73429e8564068ab92cf34a
Publikováno v:
Bulletin of Chemical Reaction Engineering & Catalysis, Vol 15, Iss 2, Pp 538-544 (2020)
Here, we reported the utilization of coconut shell charcoal used for solid acid catalysts and its performance in the esterification reaction of acetic acid and methanol. The graphitization of coconut shell charcoal was carried out by the calcination
Externí odkaz:
https://doaj.org/article/7618659af188459d86daec6eef364e20
Autor:
Widiyastuti Widiyastuti, Mahardika Fahrudin Rois, Heru Setyawan, Siti Machmudah, Diky Anggoro
Publikováno v:
Indonesian Journal of Chemistry, Vol 20, Iss 4, Pp 842-849 (2020)
Lignin as a by-product of the pulping process is less widely used for worth materials. In this study, the utilization of lignin by-product of the soda delignification process of coconut coir converted to the activated carbon by a simple precipitation
Externí odkaz:
https://doaj.org/article/aa3ddabd4e3148daa66aa1158a728ee5
Publikováno v:
Berkala Sainstek, Vol 8, Iss 1, Pp 6-10 (2020)
Pemanfaatan gas alam sebagai sumber energi alternatif masih belum optimal karena masalah beban cairan pada sumur gas, surfaktan merupakan solusi yang menjanjikan untuk mengatasi masalah tersebut, namun dengan kondisi sumur gas yang ekstrem diperlukan
Externí odkaz:
https://doaj.org/article/52a56bf6cea9446c910c1fe303e8c77c