Abstract
In the manufacture of weak base anion (WBA) resin, it is important to control strong base capacity (SBC). In the conventional process, it is achieved by adding moist or semi-dried chloromethylated beads to amine.
At Thermax, commercial production of macroporous WBA resin with simplified unit operations, improved productivity, safe handling and cleaner environment is regularised by transfer of aqueous slurry of chloromethylated beads to amine.
By aqueous slurry transfer, SBC is controlled by detailed study of the parameters; a) amount of water, b) type and amount of solvent, c) pH and d) temperature.
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References
Malovik V.V. Demchenko, Ya. P.; Semenii V. Ya.; Lozinskii M.O.; Go1ik G.A.; Zavatskii V.N.; Reaction of EDC with Dimethyl Amine; Tetramethyl ethylene diamine; Institute of Organic Chemistry, Academy of Sciences, Ukranian SSR; U.S.S.R.; 546, 605 (C1 C07 C87/16); 15 February, 1977; Appl. 2, 303, 326; 29th December, 1975.
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© 1992 United Kingdom Atomic Energy Authority
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Vaidya, S.V., Bapat, S.S., Kale, A.S., Mokashi, S.V. (1992). Weak Base Anion Exchange Resin: Simplification of AmiNation Process and Control on SBC. In: Slater, M.J. (eds) Ion Exchange Advances. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2864-3_15
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DOI: https://doi.org/10.1007/978-94-011-2864-3_15
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-882-3
Online ISBN: 978-94-011-2864-3
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