Page 182 - CW E-Magazine (22-4-2025)

Special Report

reaction medium and also improves the indicates that a minimum selling price Catalysis plays a vital role in realizing
stability and reactivity. This is a compre- (MSP) of 4.92 USD per kg, with the di- selectivity.]
hensive review of research from 2000 methanol and oleic acid being the major
to 2024, and relative merits and cost factors, is required. (Green Chem., J. Wang et al have used Pt/Mg AlO cata-
2
demerits are discussed. (Green Chem., 2024; DOI:10.1039/D4GC041914). lysts with different synthesis methods
2024; DOI: 10.1039/D4GC04609A). to realize the title conversion. With one
Bicompatible and catalyst PD yield was 60.3%. (Catalysis
Co-generation of H and biodegradable emulsion gel Today, 22025,447, 1 March, 115145;
2
FDCA from biomass – based lubricants DOI: 10.1016/j.cattod.2024.115145).
HMF in a 3D-printed fl ow
electrolyser Y. Wang et al have referred to envi- Rose essential oils: current
ronment problems of commercially trends, mapping of extraction
A. Singh et al have worked on the available semi-solid lubricants due to techniques, chemical analysis,
simultaneous generation of H and 2,5- toxicity and non-biodegradability. These therapeutic applications and
2
furandicarboxylic acid (FDCA), which is authors have come out with eco-friendly by-product valorisation
being considered for making polyesters,
A. He and N.R. Putra have given a
comprehensive review of all the im-
portant aspects of Rose Oils. Traditional
extraction methods like hydrodistillation
and steam distillation are compared with
modern techniques including supercriti-
emulsion-based gel lubricant that can cal CO extraction, ultrasound assisted
2
match the existing products. Advan- extraction and microwave-assisted
tages of the above lubricants are elabo- extraction. These techniques offer im-
rated. (ACS Sustainable Chem. Eng., proved effi ciency, yield, sustainability
2024; DOI: 10.1021/acssuschemeng. and extraction time. The utilisation of
4C03768). by-products is covered. (Can. J. Chem.
from 5-(hydroxymethyl)furan 2-carbal- Eng., 2024; DOI: 10.1002/cjce.25554).
dehyde using an alkaline electrolyte. Synthesis of biobased
Gold-sputtered Ni foam as anode and 1,5-pentanediamine (PD) from Biobased unsaturated
Pt-sputtered Ni foam as cathode were the chemical decarboxylation polyester thermosets from
deployed. 80% conversion of HMF has of L-Lysine (L) castor oil and isosorbide with
been realized in single pass. (Ind. Eng. Life Cycle Assessment (LCA)
Chem. Res., 2024; DOI: 10.1021/ais.
iecr.4C01213). PD is an important starting material for Y. Zhang et al have reported meth-
a variety of polyamides, polyurethanes, acrylated castor oil (MCO) and meth-
Environmentally friendly etc. J. Qi et al have reviewed this subject acrylated isosorbide (MI) based on re-
process design for furan and both homogeneous and heteroge- newable CO and isosorbide by a simple
(F)-based long-chain diester nous catalysts are covered. Further and mild method. Subsequently, MCO
purification of PD is also discussed.
production aiming for bio- Technical challenges and improvements resin was cured with the reactive diluent
based lubricants are outlined. (ACS Sustainable Chem. MI in different ratios in a free radical
Eng., 2024; DOI: 10.1021/acssusche- polymerisation. The characterisation
H.J. Lee et al have hydrogenated 5-hy- meng.4C08683). of the products was carried out in an
droxymethylfurfural to 2,5-tetrahydro-
furandimethanol (THFDM) using Ru/ elaborate way. These thermosets have
Al O catalyst with a 95.6% yield. This Selective hydrogenation striking environmental benefi ts over the
2
3
dimethanol was then esterified with of furfuryl alcohol (FA) to traditional petroleum based unsaturated
C-18-fatty acids to produce the diester 1,2-pentanediol (PD) polyester products, containing styrene.
using Amberlyst 15 as a catalyst in 91% [This column has covered many papers (ACS Sustainable Chem. Eng. 2024;
yield. The techno-economic analysis on valorisation of furfurane (F), FA, etc. DOI:10.1021/acssuschemeng.4C07624).

182 Chemical Weekly April 22, 2025

Contents Index to Advertisers Index to Products Advertised