A chemometric approach to understanding the bioelimination of anionic, water-soluble dyes by a biomass – Part 4: Reactive dyes

Authors: Churchley J.H.¹; Greaves A.J.²; Hutchings M.G.³; ⁴; Taylor J.A.⁴

Source: Coloration Technology, Volume 116, Number 10, 2000 , pp. 323-329(7)

Publisher: Society of Dyers and Colourists

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Abstract:

The bioelimination of a series of hydrolysed reactive dyes of known chemical structure has been determined using a new, rapid and robust laboratory method and a chemometric analysis conducted on the bioelimination results. The level of bioelimination varies from 0% up to only 25% and the chemometric analysis indicates that if either the number of aromatic rings increases or the number of 2-hydroxyethylsulphone groups decreases, then the bioelimination increases. To maximise the bioelimination of reactive dyes, large, planar triazine-based dyes should be used. For Parts 2 and 3 in this series see references 1 and 2, respectively.

Language: English

Document Type: Regular paper

Affiliations: 1: Severn Trent Water plc, St. Martins Road, Coventry CV3 6PR, UK 2: University of Leeds, Dept. of Colour Chemistry, Leeds, LS2 9JT, UK 3: BASF plc, PO Box 4, Cheadle Hulme, Cheshire SK8 6QG, UK 4: UMIST, Dept. of Textiles, PO Box 88, Manchester M60 1QD, UK

Publication date: 2000-01-01

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