Degradation of EDTA by hydrogen peroxide in alkaline conditions

Jaakko Rämö (Corresponding Author), Mika Sillanpää

Research output: Contribution to journalArticleScientificpeer-review

58 Citations (Scopus)

Abstract

The decomposition of EDTA was studied in a pilot-plant flow-through system simulating an alkaline (pH 10–11) hydrogen peroxide bleaching environment. Results obtained by gas chromatography were compared with calculated concentrations and the percentage of the residual was calculated on this basis. The amount of hydrogen peroxide decomposition was evaluated and the chelate distribution calculated. The results revealed that, under the conditions investigated, the residual averaged 94%, with lowest value 79%. An average of 26% hydrogen peroxide was decomposed during the experiments.
Original languageEnglish
Pages (from-to)191-195
JournalJournal of Cleaner Production
Volume9
Issue number3
DOIs
Publication statusPublished - 2001
MoE publication typeA1 Journal article-refereed

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