Page 170 - CW E-Magazine (14-1-2025)

Special Report

Those based on CH CHO yielded remark- solution to the gas phase environment Evaluation of active oxygen
3
able monomer recovery rates with 89% of above the bulk aqueous solution thereby species derived from water
H16, and 84% MDA. (ChemSusChem., effectively inhibiting the aggregation of splitting for electrocatalytic
2024, DOI: 10.1002/cssc.2024 01595). H bubbles and reducing the resistance organic oxidation
2
of their diffusion away. At high current
Rediscovery of an old named density (250 mA per sq.cm.) the over- J. Yang et al have referred to the essentia-
reaction: from micellar catalysis potential was reduced by 0.31V (Angew. lity of active oxygen species (OH*/O*)
to unusual Schotten-Baumann Chem. Intl. Ed., 2024, DOI: 10.1002/ derived from water electrolysis for
conditions (SBC) anie.2024 14493). electrooxidation of organic compounds
into high-value chemicals which can be
L. De Berardinis et al have reported that Electrochemical epoxidation
a mixture of lecithin and Tween 80 as of alkene with high Faradaic
surfactants is effective in amide forma- efficiencies (FA) using water as
tion from R1COCl + R2NH in an aque- an oxygen source
2
ous solution. The expected advantages of
micellar catalysis are unfounded. SBC H. Wu et al have referred to the versatility
proved to be superior in both efficiency of epoxides for industrial applications.
and practicality. (Org. Proc. Res. Dev., These authors have come out with a
2024, DOI: 10.1021/acs.oprd.4c00100). non-halide mediated electrochemical
epoxidation of alkenes to epoxides
High mass transfer rate in using water as an oxygen source. This
electrocatalytic H evolution reaction is catalysed by (TMP)MnCl determine activity and selectivity. These
2
achieved with efficient quasi-gas (TMP = Tetramesitylporphyrin) in a authors used glycerol (G) as a model
phase system remarkably efficient way. Both aromatic reaction for electrooxidation. OH* on
Au demonstrates the highest activity
[Electrolytic production of H is at- and aliphatic alkenes can be used with for the oxidation of G. DFT calculations
2
tracting intense interest globally and FA approaching up to 89%; Mechanism were done. This paper gives theoretical
every attempt is being made to make the is given. (Green Chem., 2024, DOI: insights into modulating oxygen species.
process efficient.] 10.1039/D3GC 0512A). (Angew. Chem .Intl. Ed., 2024, DOI:

D. Xie et al have referred to the adhesion High temperature solid oxide 10.1002/anie.202413457).
of H bubbles on the electrode surface, electrolysis (SOF) TaO/TaN heterostructure
2
which is one of the main factors limit- promotes the synergistic elec-
ing the performance of H evolution of M. Mueller et al have referred to SOF trosynthesis of O and H O and
2
electrolytic water, particularly at high as an interesting technology due to its 3 2 2
current density. These authors have come high efficiencies resulting from elevated their coupled applications.
out with a new strategy of “quasi-gas temperatures up to 900°C. Modelling
phase” electrolytic water reaction system has been done with the objective of X. Peng et al have referred to the chal-
based on capillary effect for the first lowering experimental costs and pro- lenges in the title objectives. A hetero
time. A key aspect of the above strategy vide insights. Different approaches are geneous electrocatalyst was engineered to
is that the main site of H evolution discussed. (Chemie. Ing. Technik, 2023, modulate electrochemical O production
2
2
is transferred from the bulk aqueous DOI: 10.1002/cite.202300137). (EOP) activity and enhance the selecti-
vity of the 2e oxygen reduction reaction
-
(ORR) by controlling the ammonia calci-
nation of TaO . The variety of Ta based
5
catalyst that is best suited is given. The
simultaneous activity can result in the
removal of organic matter and bacteria.
This study should help in the degradation
of organic pollutants and antibacterial
challenges. (Ind. Eng. Chem. Res., 2024,
DOI: 10.1021/acs.iecr/4c02006).

170 Chemical Weekly January 14, 2025

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