Process development for the recovery of high grade calcium tungstate from alkaline leach liquor of spent HDS catalyst
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DOI: 10.1016/j.hydromet.2019.105237
Abstract: Abstract Molybdenum is often associated with nickel-tungsten based spent HDS catalyst and must be removed from tungstate solution to obtain commercially acceptable tungsten products. In order to address this problem, a different approach has been… read more here.
Keywords: calcium tungstate; high grade; hds catalyst; spent hds ... See more keywords
Thermal Evolutions to Glass-Ceramics Bearing Calcium Tungstate Crystals in Borate Glasses Doped with Photoluminescent Eu3+ Ions
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DOI: 10.3390/ma14040952
Abstract: Thermal evolutions of calcium-tungstate-borate glasses were investigated for the development of luminescent glass-ceramics by using Eu3+ dopant in a borate glass matrix with calcium tungstate, which was expected to have a combined character of glass… read more here.
Keywords: calcium tungstate; glass; glass ceramics; calcium ... See more keywords