C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/39
C02F 1/42 (2006.01) B01J 41/04 (2006.01) B01J 49/00 (2006.01)
Patent
CA 1255819
Process for reducing the wash water requirement of weakly basic anion exchangers A b s t r a c t The invention relate to a process for reducing the wash water required by weakly basic anion exchangers con- taining primary and/or secondary amino groups when fed with water containing carbon dioxide; in accordance with the process the exhausted, weakly basic anion exchangers are treated with dilute aqueous mineral acids before being regenerated. Le A 23 112-US
483843
Heller Harold
Lange Peter M.
Martinola Friedrich
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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