Biodiesel production from waste cooking oil catalyzed by a bifunctional catalyst

V Enguilo Gonzaga, R Romero… - ACS …, 2021 - ACS Publications
The objective of this study was to prepare bifunctional catalysts based on iron and CaO and
test them in the biodiesel production using waste cooking oil (WCO) as feedstock. Two iron …

Green hybrid photocatalyst containing cellulose and γ–Fe2O3–ZrO2 heterojunction for improved visible-light driven degradation of Congo red

H Helmiyati, N Fitriana, ML Chaerani, FW Dini - Optical Materials, 2022 - Elsevier
In the present study, we aimed to investigate the photocatalytic behavior of a novel bimetal-
biopolymer nanocomposite of cellulose/γ–Fe 2 O 3–ZrO 2 that was efficiently synthesized …

Highly efficient synthesis of biodiesel catalyzed by a cellulose@ hematite-zirconia nanocomposite

H Helmiyati, Y Budiman, GH Abbas, FW Dini, M Khalil - Heliyon, 2021 - cell.com
The depletion of fossil fuels calls for the development of renewable alternatives such as
biodiesel and has inspired much research on catalysts for the production of biodiesel …

Magnetic alginate–carboxymethyl cellulose to immobilize copper nanoparticles as a green and sustainable catalyst for 4-nitrophenol reduction

H Helmiyati, RT Yunarti, FW Dini - Heliyon, 2023 - cell.com
In the present work, sustainable green catalysts with high activity, and excellent stability
were prepared and thoroughly characterized by XRD, FT-IR, BET, VSM, SEM, EDX, HR …

[PDF][PDF] Cellulose and TiO2–ZrO2 nanocomposite as a catalyst for glucose conversion to 5-EMF

FW Dini, H Helmiyati, YK Krisnandi - Bulletin of Chemical …, 2021 - researchgate.net
This work demonstrated the use of green material catalysts, produced from Sengon sawdust
waste, to obtain nanocellulose biopolymers. The green material catalysts were utilized as …

SYNTHESIS OF MgFe2O4-MgO NANOCOMPOSITE: INFLUENCE OF MgO ON THE CATALYTIC ACTIVITY OF MAGNESIUM FERRITE IN BIODIESEL …

GH Abbas, Y Budiman… - Rasayan Journal of …, 2020 - search.ebscohost.com
A novel magnetic solid base catalyst consisting of an MgFe< sub> 2 O< sub> 4-MgO
nanocomposite was successfully prepared by synthesizing magnesium ferrite (MgFe< sub> …

Sustainable production of an iron-eggshell nanocomposite and investigating its catalytic potential for phenol removal

NA Mohammed, LI Saeed, RKS Mhemid - Ecological Chemistry and …, 2023 - sciendo.com
The research conducted here will hopefully lead to the creation of a practical, inexpensive
method for purging aqueous solutions of contaminating phenolic chemicals. A biosorbent …

Synthesis of nanocomposites cellulose-Fe3O4/ZnO as novel green catalyst for biodiesel production from coconut oil

S Azahra - IOP Conference Series: Materials Science and …, 2020 - iopscience.iop.org
Abstract Cellulose-Fe 3 O 4/ZnO nanocomposites have been successfully synthesized. This
process was supported by characterization using Fourier Transform InfraRed (FTIR), X-ray …

Nanocomposite of cellulose and magnetite-magnesia as catalyst for biodiesel from coconut oil

M Helmiyati - IOP Conference Series: Earth and Environmental …, 2021 - iopscience.iop.org
In this work, a heterogeneous catalyst was developed using MgO-Fe 3 O 4 composite and
cellulose biopolymer as support catalyst in the synthesis of biodiesel for transesterification …

Bifunctional ZnFe2O4 Catalyst Using Yeast Template and CaO from Gallus Domesticus Eggshells Modified with Al2O3 for Biodiesel Production from Waste Cooking …

JV Hapsari, H Helmiyati, YK Krisnandi - Jurnal Kimia Valensi, 2024 - journal.uinjkt.ac.id
In this work, biodiesel was produced from waste cooking oil (WCO) via a green catalyst of
CaO-ZnFe 2 O 4 modified Al 2 O 3. The catalyst was characterized using Fourier-transform …