Page 183 - CW E-Magazine (8-4-2025)

Special Report Free to Die

Zinc acetate (ZA) /Ionic Managing speed breakers, water fl ooding and traffi c
Liquid (IL) hybrid catalysts
for the synthesis of Dimethyl on our roads
Carbonate (DMC) through
urea methanolysis This monthly column is all about demand is valid. They must be provided
openly sharing expertise and knowhow speed breakers, but not on the highway.
E. Salehi et al have worked on the title with our readers, regardless of industry, Two speed breakers should be provided
process, which has some advantages, product or service. The aim is to plant to every road joining the highway. There
and have reported kinetics, molecular the seeds of inspiration, strengthen the is a need for speed breaker with a STOP
dynamic simulation, and mechanism. D. Liu et al have reported a remark- from 25 nm to 2-3 nm under repeated knowledge base, and, hopefully, lead to sign, but it should be provided for the
FT-IR was used to study the process able infl uence of the P-alkyl of ligand H reduction. (Angew. Chem. Intl. Ed., new opportunities and innovations. traffi c joining the highway, while the
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and the effects of the urea-to-methanol on the catalytic activity. Catalyst with 2025; DOI: 10.1002/anie.202425066). highway traffi c should be given unhin-
molar ratio and different weight ratios a P-PhCy group gave the best overall While the column is being rolled dered priority of movement. The entrant
of IL were studied. Complete conver- performance. Details of ligands are Heterogeneous catalysis out with the ideas of Prof. V.C. Malshe, to the highway needs to be careful. He
sion of urea was realized with 1:36.6 given in the paper. (J. Catalysis, 2025, strategies for polyolefi n an academician, researcher, innovator, should face a speed breaker and a STOP
molar ratio of urea/methanol at 190°C. 443, March, 115979; DOI:10.1016/j. plastic upcycling – co- consultant and businessman, it is open sign at the junction, and must stop at the
(Ind. Eng. Chem. Res., 2025; DOI: cat.2025.115979). reactant-assisted and direct to one all. Simply write to editorial@ junction, look on both sides and only
10.1021/acs.iecr.4c03668). transformation under mild chemicalweekly.com. then enter the highway safely.
CO hydrogenation to
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Monitoring the fate of Zn in methanol (M) on Cu-ZnO/ conditions Speed breakers Synchronisation of signals in the city All these problems can be solved by
the Cu/ZnO/ZrO catalyst AlLaO with high activity and Speed breakers are ubiquitous on There are several situations in cities fi bre optic transmission of light to the
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during CO -to-methanol hydrothermal stability H. Wang et al have reported the title our roads. Lamentably, there seem to where moving traffi c is held up signals. A single light diffuser placed
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synthesis at high conversions process for converting polyolefi ns into be no standards when constructing on a red signal and when it moves on at the end of the cable can glow red,
valuable products. Co-reactants such
by operando spectroscopy S. Li et al have reported that Cu-ZnO/ as H , short-chain alkanes/alkenes, O , one. Very often they damage vehicles green, it only fi nds a red signal on the orange or green, thus removing all confu-
(OS) AlLaO has more interfaces of Cu and and CO play a crucial role in these because the unsuspecting driver is driv- next junction. This problem may not be sion. The light source would be placed
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CO adsorption sites. La O increases 2 ing at high speed in darkness, jumps simple to resolve but needs to be dealt on ground which would be serviceable
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There has been a lot of activity in con- the relative density of oxygen vacancy conversion. Comparison is made with several feet in air (depending on the with. If the next signal can be red at a by the traffi c police. There would be
the co-reactant free process. (Chem.
verting CO to methanol and this col- on catalyst surface. The title catalyst Communications, 2025; DOI: 10.1039/ speed and the weight of the vehicle), time when no traffi c is reaching it and only one intense source of light with
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umn has also covered this subject. M.L gives excellent CO conversion and M D4CC05471G). damages its suspension, and, at times, becomes green as soon as traffi c from fi lters placed in front of the cable end.
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Schulte et al referred to the Cu-Zn based selectivity. La O improves the hydro- even causing a breakdown. Often, there earlier signal approaches, traffi c move- The change of fi lters would change the
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catalyst to be very dynamic, especially thermal stability of the catalyst. (Ap- Green synthesis of tert-butyl are no warning boards on either side of ment can be smooth. This can be done colour of the diffuser.
in the presence of the products – meth- plied Catalysis A, General, 2025, 692, a speed breaker, nor refl ective paint for by monitoring traffi c with satellites and
anol and water – and it is necessary to 25 Feb, 120098; DOI:10.1016/j.apca- hydroperoxide (TBHPO) via night-time visibility. turning the signal green or red as per Barcodes on top of all vehicles to be
prevent deactivation and its origin needs ta.2024.120098). oxidation of tert-butanol (B) in the traffi c density. The main traffi c can tracked by satellite
to be studied. At high conversions pro- “Tearing Effect” (TE) of alloy- various reactors Often, no permissions of the rele- be given priority over the secondary I have been wondering about track-
duct condensation is possible. These vant authority are taken before install- traffi c. Where satellite monitoring is ing any vehicle by use of satellite. A
authors have reported structural dyna- support interaction of alloy A. Shive et al have prepared TBHPO ing a speed breaker; and most are lo- not possible, it can be done manually bar code printed on top of the vehicle
mics and OS was adopted. It seems Cu redispersion in NiRu/TiO by the oxidation of TBA via the cata- cal initiatives. Villagers, keen to protect using cameras installed on the roads. can be read from a long distance. Its
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remains mostly stable, but Zn undergoes hydrogenation catalysts lysis of sulphuric acid by the green and themselves from speeding vehicles, are movement can be tracked. It will be
strong restructuring. This study provides environmentally-friendly hydrogen known to take matters into their own Use fi bre optics for light transmis- very easy to locate a stolen vehicle and
guidance for the design of more stable S. Zou et al have referred to the exten- peroxide as oxidant using micro-chan- hand, and install speed breakers even sion erring vehicles on signals, involvement
catalyst. (Angew. Chem. Intl. Ed., 2025; sive use of supported alloy catalysts nel reactor – Corning Advanced-Flow on highways. A 27-km road from Khoni Traffi c lights are operated by elec- in accidents, riot, theft, etc.
DOI: 10.1002/anie.202423281). for some industrial processes. These Reactors (AFR). The reaction tempera- village to Badlapur on Pipeline Road tric bulbs. These bulbs have limited life
authors have reported a detailed in-situ ture was 70°C, the optimum molar ratio had 40 speed breakers on both the sides and frequent turning on and off, short- Training for erring drivers
Alkyl PCCP ligands for investigation of the interaction between of TBA to H SO was assessed as 1:1, and I had to write to the Prime Miinster’s ens their life further. The lamps are in- In India, there is no refreshing of
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Cr-catalysed ethylene tri-/ support and alloy nanoparticles. These and the optimum molar ratio of H O Offi ce (PMO) highlighting this. Thank- stalled at a height and can be changed training on rules of the road. Once a
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tetramerization authors have discovered a TE on the to TBA was 0.8. Di-tert-butyl per- fully, most have now been removed. only with proper equipment. These sys- driver is always a driver. I was travel-
interface of TiO -supported NiRu alloy oxide is also formed. The above tems also need electrical connections. ing by road from Indore to Mumbai.
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Hexene-1 and octene-1 are important nanoparticles through environmental reactor has many advantages. (J. Chem. Villagers living along State high- These can be wrong at times which Both State Governments had put a lot of
comonomers for making different TEM resulting in a dramatic redis- Technol. Biotechnol., 2025; DOI: ways insist on installation of speed leads to confusion due to red and green effort into developing the roads and the
grades of polyethylenes. persion process of alloy nanoparticles 10.1002/jctb.7821). breakers at every junction. Their light glowing simultaneously. surface was very good. We took about
182 Chemical Weekly April 8, 2025 Chemical Weekly April 8, 2025 183

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