Page 165 - CW E-Magazine (5-8-2025)

Phthalic Anhydride (Authorised Distributor of IG Petrochemicals Ltd) MULTIBRITE® Special Report
Phosphoric Acid 85% Tech (Authorised Distributor of Grasim)
IMPORTER & STOCKIST OF Tinted OBa in Scandium – a rare earth revolution in the waiting
• Maleic Anhydride • Soya Lecithin red and Blue Shades
• Purified Isophthalic Acid • Thiourea n this constant barrage of rare extensively practiced in China. In
• Adipic Acid/ Fumaric Acid • Refined Glycerine are available of earth production and supply is- the last few years R&D in recovery d.m. mohUNta
• Benzoic Acid Tech Isues, scandium (Sc) appears to be of scandium from TiO waste has Commercial Chemical and
2
• Phosphoric Acid FG (Vietnam) • Propylene Glycol Tech best quality at an outlier. Distributed worldwide up to progressed rapidly in Europe. Development Company
• STPP/ SHMP • Neopentyl Glycol (NPG) an attractive price a few hundred parts per million (ppm) E-mail: dmm@ccdcindia.com
• Bisphenol A • Diethyl Phthalate (DEP) wherever it occurs, it is revolutioni- Tailing from uranium mines were Applications
zing the aluminium industry, having the main source in Russia and Kazakh-
Please Contact: KhAnDEsh ChEMiCAl inDustRiEs deep and lasting eff ect on all alumi- stan, while tailings from REE are one Al-Sc alloys
Manufacturers of optical Brightening Agents
311-312, E-Square, 3rd Floor, Subhash Road, Vile Parle (East), Mumbai – 400 057. Please Contact: pratik Jain nium uses from airplanes to auto- of the sources in China. Philippines Small quantities of scandium when
Tel.: 022-46651011, 46651012, 46651013 w Mob: +91-9920455882 Mobile: 7038065559, 8879031927 mobiles, sports and mobility devices for (and possibly China) are the main added to aluminium alloys signifi cantly
Email: info@jaydipagencies.com w Website: www.jaydipagencies.com Email: pratik@kotharigroup.in the disabled. Alloying 0.01% to 0.4% producers from nickel production. improves the tensile strength and physi-
of scandium in aluminium changes the cal properties of the fi nished product.
benefi cial properties of the latter and Red mud from alumina production The addition of 0.025-0.25% scandium
Manufacturer of : thioglycolic Acid 80%, 99% REGULARLY AVAILABLE opens up methods of fabrication that can be an important source and indeed to Al-Mg alloy enhances its strength
• Sodium-2-Ethyl Hexanoate 3-Mercaptopropionic Acid 99% phosphoRiC ACiD were diffi cult or not possible earlier. research consortia have been formed by 150%. When aluminium is alloyed

• Potassium-2-Ethyl Hexanoate Potassium Thioglycolate - fooD GRADE (ViEtnAM) in Europe and India to develop the with similar percentage of scandium
 ZinC Dust - EVER ZinC
Grade: stAnDARD 7 / supERfinE / supER EXtRA
The other major application of technologies to do so.
• Barbituric Acid Monoethanolamine Thioglycolate  ZinC oXiDE - puRE & WhitEsEAl scandium is the manufacture of solid the strength increases by 1500%.
 ZinC phosphAtE
• 4-N,N-Dimethyl Amino Benzaldehyde Diammonium Dithiodiglycolate  soDiuM Allyl sulphonAtE oxide fuel cells (SOFCs). Addition of
 DispERsinG & WEttinG AGEnts
• Ammonia Liquor - L R Grade Pentaerythritol-3-Mercaptopropionate  BEnZoiC ACiD - tECh Scandium to existing yttria-stabilized Titanium dioxide waste acid
 CupRiC oXiDE - BlACK - lR
• IPA + HCl 25% Polythiols  CupRous oXiDE - RED - lR zirconia (YSZ) (often the 8% form,
 CupRiC ChloRiDE - DihyDRAtE - lR
8YSZ) – termed scandia stabilized
• T-Butyl Chloro Acetate (TBCA) Monothioglycerol 90, 98, NF  CupRiC ChloRiDE - AnhyDRous - lR zirconia (ScSZ) – improves ion conduc- Purifi cation Multistage counter-current extraction The extraction
by D2EHPA and TBP
raffi nate
 MAnGAnEsE sulphAtE
FERGUSON CHEMICALS Antioxidant for Polymers  MAnGAnEsE CARBonAtE tivity and durability and reduces
 MAGnEsiuM stEARAtEs
operating temperature drastically.
 niCKEl sulphAtE
Plot No. 6217/1,2 & 3, G.I.D.C. Estate, Thiodipropionic Acid  niCKEl ChloRiDE Loaded organic phase Extracting titanium
 niCKEl CARBonAtE
Ankleshwar - 393 002, Dist.- Bharuch, Guj, India. 2-Sulfoethyl Methacrylate  soDiuM foRMAlDEhyDE Bi sulphitE Sources and iron
Email: nalinfc@hotmail.com, For best prices, please contact: hAns ChEMiCAls pRiVAtE liMitED There are fi ve identifi ed sources Multistage cross-fl ow scrubbing by Scrub liquor
Admn. off : 407, Panchsheel-2A, Raheja Township,
sWAn EntERpRisE
ferguson9858@gmail.com Mob.: 07498166675 / 08291142569 L.S. Raheja Cross Road no.3, Malad (E), Mumbai-400 097. for scandium production: Na cit and H O 2
2
3
Mob.: +91-9022115122 / +91-9322255128
Contact : Mr. Nalin Ramani - 093283 37836 KNS ADI Email: swanenterprise@gmail.com Email: hanschemicalspl@gmail.com  Web.: www.hanschemicals.in 1. Tailings of uranium (U) mines;
2. Tailings from rare earth element Comprehensive
(REE) production; The scrubbed loaded organic
MANUFACTURER & SUPPLIER OF CaprolaCtam ChemiCals ltd. 3. Nickel production; phase utilization
• ACETYL BROMIDE 4. Alumina red mud; and
• 2-BROMO ACETYL BROMIDE 5. Waste acid from titanium dioxide Stripped organic
phase
• PROPIONYL BROMIDE (TiO ) production. Multistage counter-current stripping
by NaOH solution
2
• 2-BROMO PROPIONYL BROMIDE TeTrahydrofuran The waste acids generated during
• BENZYL BROMIDE Thf TiO production – both by chloride [Sc(OH) ] 3-
2
• ETHYL 2-BROMO ACETATE and sulphate routes – is a more easily 6
• ETHYL 2-BROMO PROPIONATE extractable source of scandium. The
• PHOSPHORUS TRIBROMIDE waste acid from sulphate route con- Supplement NaOH Precipitation by adding
• PROPARGYL BROMIDE (PhaRMa GRadE) tain 10-25 mg/l of scandium, while water & fi ltration
the waste acid from the chloride route
CRYSTLE CHEMIPHARMA contains 60-140 mg/l, as also signi-
Plot No: (3404+3405)/2, Phase - IV, G.I.D.C. Chhatral, KNS ADI Contact: fi cant quantities of other critical raw Sc(OH) 3
Tal. Kalol, Dist. Gandhinagar, Gujarat - 382729 Email: admin@caprolactam.co.in materials, viz. vanadium and niobium.
Email: crystlechemipharma@gmail.com / mukeshprajapatislc@gmail.com Tel. No.: 9638123757 / 9222076509 Recovery from TiO waste acid is Fig. 1: Conceptual fl owchart for the recovery of scandium from TiO waste acids
Contact: Mukesh Prajapati: +91 9228162588 / 9737020949 2 2
25/02
Chemical Weekly August 5, 2025 165
Chella 94
Contents Index to Advertisers Index to Products Advertised