Pre-treatment of used cooking oils for the production of green chemicals: A review

J Cárdenas, A Orjuela, DL Sánchez… - Journal of Cleaner …, 2021‏ - Elsevier
Exploitation of waste lipids in the production of higher value-added and green chemicals will
become a common practice in the future to enhance the sustainability of the oleochemical …

Recent advances in sulfonated resin catalysts for efficient biodiesel and bio-derived additives production

V Trombettoni, D Lanari, P Prinsen, R Luque… - Progress in Energy and …, 2018‏ - Elsevier
The drive toward greener process chemistry has stimulated the development of strong solid
acids to replace traditional catalysts for efficient biodiesel production from free fatty acid …

Biodiesel production from waste cooking oil via supercritical methanol: Optimisation and reactor simulation

O Aboelazayem, M Gadalla, B Saha - Renewable Energy, 2018‏ - Elsevier
Biodiesel production using supercritical methanol in the absence of catalyst has been
analysed by studying the main factors affecting biodiesel yield. A quadratic polynomial …

Advanced process integration for supercritical production of biodiesel: Residual waste heat recovery via organic Rankine cycle (ORC)

O Aboelazayem, M Gadalla, I Alhajri, B Saha - Renewable Energy, 2021‏ - Elsevier
Biodiesel production using supercritical methanolysis has received immense interest over
the last few years. It has the ability to convert high acid value feedstock into biodiesel using a …

Esterification of free fatty acids with methanol to biodiesel using heterogeneous catalysts: from model acid oil to microalgae lipids

M Veillette, A Giroir-Fendler, N Faucheux… - Chemical Engineering …, 2017‏ - Elsevier
One of the main problems of microalgae lipids is their high content of free fatty acids (FFAs),
which creates problems of soap formation during homogeneous alkali transesterification …

Synthesis, characterizations and catalysis of sulfated silica and nickel modified silica catalysts for diethyl ether (DEE) production from ethanol towards renewable …

K Wijaya, ML Lammaduma Malau, M Utami, S Mulijani… - Catalysts, 2021‏ - mdpi.com
Sulfated silica (SO4/SiO2) and nickel impregnated sulfated silica (Ni-SO4/SiO2) catalysts
have been successfully carried out for the conversion of ethanol into diethyl ether (DEE) as a …

Hydrothermally sulfonated single-walled carbon nanohorns for use as solid catalysts in biodiesel production by esterification of palmitic acid

C Poonjarernsilp, N Sano, H Tamon - Applied Catalysis B: Environmental, 2014‏ - Elsevier
Four carbon-based solid acid catalysts were prepared from single-walled carbon nanohorns
(SWCNHs), oxidized SWCNHs (ox-SWCNHs), activated carbon (AC), and carbon black (CB) …

A comparative study on the catalytic performance of different types of zeolites for biodiesel production

K Sun, J Lu, L Ma, Y Han, Z Fu, J Ding - Fuel, 2015‏ - Elsevier
Microporous zeolites (BEA type Beta zeolite and MFI type ZSM-5 zeolite) and micro-
mesoporous zeolites (MFI type ZRP-5 zeolite) with various Si/A1 ratios were employed in the …

Intensification and optimization of FAME synthesis via acid-catalyzed esterification using central composite design (CCD)

AMM Saeed, S Sharma, SZ Hassan, AM Ghaleb… - ACS …, 2023‏ - ACS Publications
The acid-catalyzed pre-treatment esterification process is required for low-cost feedstock
with high free fatty acids (FFAs) to avoid the saponification that occurs during alkali …