Page 166 - CW E-Magazine (12-3-2024)

Special Report

inert anode is immersed in an electrolyte
containing iron ore and at 1600°C pro-
duces molten pure iron. Thus, there is no
CO produced and just oxygen is co-pro-
2
duced; molten iron collects at bottom at
the cathode; impurities fl oat. Thus, lower
quality feedstock can be used.

X. Wang et al have reviewed progress
in this very important area. Molten salts,
alkaline aqueous solutions, acidic aqueous
solutions, and ionic liquid systems
covered. Molten oxide electrolysis –
the Cambridge process is covered. (J.
Applied Electrochemistry, 2023, 53,
1521-1536).
Surface Methodology (RSM) was used gas diffusion layer (CU/P-GDL) and
to analyse the hydrodynamic behaviour have reported a remarkable Faradaic Catalyst-free alpha-bromina-
of a GDE-based EFR. All important vari- effi ciency of 85% for the production of tion of acetophenone by two-
ables like fl ow rate and inter-electrode C + chemicals. (Chem. Commun., 2023; phase electrolysis.
2
gas were considered. The importance of DOI: 10.1039/D3CI0329A).
hydrodynamic residence time in the EFR V. Sathya et al have reported the title pro-
and its impact on H O production has Research progress in making cess using CHCl and NaBr using H SO4
3
2
2
2
been brought out. (Ind. Eng. Chem. Res., iron via electrochemical reduc- in biphasic system. Thus, PhCOCH
3
2023, DOI: 10.1021/acs.iecr.3c02139). tion and no CO emissions converted to PhCOCH Br in an excellent
2
2
yield with high selectivity. (J. Applied
Direct electrochemical CO con- It is well known that steel plants emit Electrochemistry, 2023, 53, 1887-1894).
2
version using oxygen mixed gas high amounts of CO . Attempts are being
2
made to adopt electrochemical process.
on a Cu network cathode and H metallurgy is known, H can be via Compact process for cumene
tailored anode electrolysis. 2 manufacture
2
P. Srivastava et al have reported the
A. Anzai et al have demonstrated 60% Chemical Engineering Magazine has title process, which combines reactive
air-containing CO mixed gas elec- also covered the production of high- distillation (RD) and Dividing Wall
2
trochemical CO reduction by direct purity iron via electrolysis (1 Sept., 2023; Column (DWC) for separation. This
st
2
introduction of using a porous Cu net- author – Mary Page Bailey). This is is 42% cheaper than the conventional
work cathode formed on a hydrophobic Molten Oxide Electrolysis (MOE). Here an process. Dynamic simulations allow
proper control systems. (Chem. Eng.
Res. Des., 2023, 190, Feb., p 220-232;
DOI: 10.1016/j.cherd.2022.12.026).
Operational parameters rele-
vant to the examination of
phosgene (P) synthesis catalysis
P is made via reaction of CO and Cl
2
using activated carbon as catalyst.
R. Hughes et al have come out with a
relatively simple way to study the diffe-
rent activated carbons, e.g., NORITRX3
Extra. The reaction is exothermic (108 KJ

166 Chemical Weekly March 12, 2024

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