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Special Report For your requirements oF:
2,4,5 TRIFLUORO PHENYL ACETIC ACID
OTBN/BROMO OTBN
DMSO. (Angew. Chem. Intl. Ed., 2024; which churn out about 110m cu.m. of fresh mixed-matrix membranes (MMMs). DI-P-TOLUOYL-D-TARTARIC ACID
DOI: 10.1002/anie.202406830). water every day, at reasonable prices. One of these modifi ed membrane gave PIPERAZINYL BENZISOTHIAZOLE
CYTIDINE
However, the current methods have CO permeability of 1300 Barrier L-2 AMINO BUTYRIC ACID
2
Crystallisation problems associated with the retentate, and CO /H selectivity of 37. (Chem. PARA NITRO BENZOIC ACID/
2
2
which can be sent back to the sea at an Commun.,2024; DOI: 10.1039/D4C- PARA NITRO BENZYL CHLORIDE
Continuous crystallisation appropriate location. However, we have C01608D). 2 BUTYL 4 CHLORO 5 FORMYL IMIDAZOLE
2 CYANO PHENOL
kinetics of cefradine (C) in problems in dealing with inland sources. BENZOTRIFLUORIDE
a mixed suspension mixed Fabrication of mixed-metal SITAGLIPTIN BASE & ITS INTERMEDIATES
product removal system The RO plants, in the 1970s, consumed ZIF-7 membrane by the self- 2 AMINO 4 METHYL PYRIDINE
about 20 kWh to produce 1 cu.m. of conversion of hydroxy double Please contact:
water, but with the current technology yashdeep Pharma & nutraceuticals
Y. Yang et al have worked on a three- through energy-effi cient pumps, energy salts for gas separation
C-505, Dheeraj Presidency Society, M.G.Road,
stage system in a steady state. The recovery devices and better membranes, Opp. Swimming Pool, Kandivali-West, Mumbai-400 067
nucleation rate and growth rate of C the energy consumption has come down C. Ma et al have opined that constructing Mob.: 09321142705 / 09821142705
at different temperatures and stirring to 2-5 kWh/cu.m. In Abu Dhabi, the mixed-MOF membrane is an effective Email: yashdeeppharma@gmail.com
rates were studied. Nucleation rate was world’s largest plant producing 909,000 strategy to improve the gas separation
significantly affected by the stirring cu.m. in one day, is paired with a 50 MW performance. These authors have pro- We are suppliers for material
rate. (Org. Proc. Res. Dev., 2024; DOI: solar photovoltaic plant that supplies posed a novel solvent-vapour assisted • SORBITOL POWDER
10.1021/acs.oprd.3C00461). space-confi ned transformation (SAST)
30% of its energy needs. strategy to fabricate a dense mixed-metal • FRUCTOSE POWDER
Impurity profi ling for a The problem of leftover brines has to ZIF-7 membrane for separation of H • SUCRALOSE POWDER
2
scalable continuous synthesis be tackled (separately in this column from CO , N and CH . H /CO ideal • HYDROQUINONE
4
2
2
2
2
and crystallisation of papers on Membrane Distillation have separation selectivity is as high as 42.8 • TRI N BUTYL PHOSPHATE
-7
carbamazepine (C) drug been covered for such streams.) and H permeance of 1.89x10 mol per • TRIETHANOLAMINE
2
substance sq.m. per sec per Pa have been realised. • ACESULFAME K POTASSIUM
(Ind. Eng. Chem. Res., 2024; DOI:
In the past freezing desalination has been 10.1021/acs.iecr.3C04539).
M. Glace et al have reported the title pro- studied in view of savings in energy • ASPARTAME
cess for C from iminostilbene (ISB) and consumption. However, engineering A novel ILs biphasic • L-ASPARTIC ACID
a plug-fl ow reactor (PFR) was used to problems have been faced, apart from absorbent with low Please Contact:
realise high yield and the scale-up using corrosion problems. PANCHAMRUT CHEMICALS
a continuous oscillatory baffl ed reactor regeneration energy TEL: 9223433550 / 9870795121
(OBR). In-line Raman spectroscopy Currently brackish water desalination consumption for CO 2 Email: mpdoshi1@gmail.com
method was used to monitor the reaction comprises about 21% of all desalination, [This column has covered many papers info@panchamrutchemicals.com
to give C-form 111. The conversion was but may become higher. on CO removal where new amines, ILs,
2
99%. The monitored product stream was etc. are covered but the topic continues Karni chemicals
telescoped into a Mixed Suspension The problem of used membranes needs to attract attention.] USED LABORATORY EQUIPMENTS 205, Mahalaxmi Market, Behind Marketyard, Pune 411 037.
Mixed-Product Crystalliser (MSMPR) to be tackled and various methods are X. Zhong et al have reported the ILs We have an array of high quality used laboratory equipments Mob.: 9822659056, 7083556504
and fi ltration unit to isolate the product. suggested (Chemistry & Industry, 2024, biphasic absorbent (TEPAH][CPL]/EG/ suitable for a range of application within the Chemical & Email: karnichemicalspune@gmail.com
The impurity purging is discussed. (Org. March, Issue 3, 26-29). DGDE, which gives phase separation Microbiology Laboratories. Our inventory includes ICP-OES, we buy surplus chemicals,
Proc. Res. Dev., 2024; DOI: 10.1021/ after CO absorption. Most interesting, the FES, Spectrophotometers, Autoclaves, Incubators, Ovens, solvents
acs.oprd.4C00081). Functionalisation of MUF-15 energy consumption is 51% lower than Microscopes, Muffle Furnace Etc. Each equipments is thoroughly &
2
enhances CO /CH selectivity that of 30 wt% MEA. [CPL is caprolac- vetted to ensure reliability and performance. intermediates
4
2
Sustainable desalination in mixed-matrix membranes tam; TEPA is tetraethylpentamine; EG
is ethylene glycol; DGDE is diethylene The equipments come from leading manufactures like Agilent,
X. Lim has given a very useful account Y. Zhang et al have referred to MUF-15 glycol dimethyl ether.] Schimadzu, Equitron, Biobase among others. Manufacturer & Dealer of
of this subject of great importance as (Massey University Framework) as a Despite their preowned status, these machines promises accuracy, AMMONIUM CHLORIDE
seawater and also brackish water are metal-organic framework whose pores There is also an advantage due to im- speed, automation and advance data management. (LR/AR/ Tech./Batterry Grade)
available in very large large quantities can be tuned by ligand functionalisation. proved corrosion behaviour. CO loading CALCIUM CHLORIDE
2
(seawater is inexhaustible). Modern These authors have blended crystallites could reach 1.85 mole per mole. (Chem. For further details contact: (Lumps / Powder/ Dihydrate Crystals)
plants are highly optimised and it seems of MUF-15 and derivatives with the Eng. Jl., 2024, 493; 1 August, 152454; Manager: 9353148045 Modheshwari chemicals
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Email: info@aquamater.co.in Email: modheshwarichemicals@yahoo.co.in Website: www.modheshwari.in
19/20
180 Chemical Weekly December 10, 2024

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