Page 181 - CW E-Magazine (13-8-2024)

Special Report

a rapid wrap-up of what’s new in operations,

Processes and Products

renewable raw Materials

barrier, antibacterial. Here a sodium CMC
based film material with interspersed
wheat straw cellulose fi bres (CF) and
cellulose nanofi bres were used. (Chem.
th
Eng. Jl., 2024, 488, 15 May, 150975;
DOI:10.1016/j.cej.2024,150975).
Selective hydrogenolysis of
furfural (F) to 1,2-pentanediol
(Pd) over a Pt-Fe/Mt catalyst
[This column has covered many papers
for converting F to many valuable
chemicals and even fuels. A paper for
conversion of F to 1,5 pentanediol was
also covered.]

C. Cao et al have reported a new catalyst
system consisting of Pt-Fe bimetallic
Selective hydrogenolysis of as it could not compete with cheap and nanoparticles highly dispersed on a com-
mercial magnesium titanate (MT). An
tetrahydrofurfuryl alcohol abundant petrochemicals. However, elaborate characterisation of the catalyst
(tHFA) over ni/Y o catalyst there is a pressure to move from fossil is reported where Pt particle size was 1-2
2
3
to produce 1,5-pentanediol (Pd) fuels to renewable raw materials. Lange nm. The reaction is zero order in H and
has presented recent developments in the 2
J. Peng et al have reported the title hy- manufacture of F and its valorisation. hence pressure as low 0.1 MPa could be
drogenolysis reaction under benign con- Firstly, the author has discussed the used. At 140°C 0.1Pt0.05Fe/MT gave
ditions and the catalyst composition was advanced F manufacture that integrates the highest production rate and was
optimised. At 84% conversion of THFA, biomass fractionation with xylose de- stable up to 200 hours. (Green Chem.,
hydration. F upgradation to aviation fuels 2024: DOI: 10.1039/D4GC00642A).
and to chemical intermediates BDO/ Highly selective isomerisation
THF and FDCA is discussed. (Catalysis
Today, 2024, 435, 1 June, 114726; DOI: of glucose (G) to fructose (F)
st
10.1016/j.cattod.2024.114726). Z-Y. Gan et al have reported a novel
cellulose-based intelligent biphasic catalyst using a mimic glucose
packaging films with anti- isomerase to carry out the isomerisation
selectivity for PD was 99.5% at 150°C bacterial, uV-blocking, and of G to F. The yield and selectively of F
reached 32.4% and 91% under mild con-
and 3 MPa H . The title catalyst seems to biodegradable properties for ditions. It is interesting that the biphasic
2
be very promising. (Ind. Eng. Chem. Res., shrimp freshness monitoring catalyst was soluble during the reaction
2024: DOI: 10.1021/acs.iecr.4C00044).
C. Yuc et al have made a novel attempt to process, but could be precipitated and
Furfural (F) manufacture and apply supramolecular polymers to intelli- recovered by reducing pH and tem-
valorisation gent food packaging. All materials used perature and could be reused fi ve times
are biodegradable and non-hazardous. consecutively. The details of the catalyst
J-P. Lange has referred to F having failed Multifunctionality has been realised with are given. (Chemistry Select, 2024, 9,
to become a major chemical intermediate respect to high strength, gas and UV- issue 14; DOI: 10.1002/skt.20240119).

Chemical Weekly August 13, 2024 181

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