Carbohydrate-derived chlorinated compounds in ECF bleaching of hardwood pulps: Formation, degradation, and contribution to AOX in a bleached Kraft pulp mill
authors Freire, CSR; Silvestre, AJD; Neto, CP
nationality International
journal ENVIRONMENTAL SCIENCE & TECHNOLOGY
keywords MECHANISMS
abstract Five monochlorinated compounds derived from glucuronoxylan were identified in the liquid process streams of a kraft pulp mill producing hardwood pulp with ECF bleaching, representing ca. 15-20% of the AOX of the bleaching filtrates. The environmental risk of such compounds is negligible because a major fraction (70-80%) is degraded during effluent mixing and neutralization, and about 20-30% is degraded during the biological treatment of the mixed effluent. Only less than 3.5% (0.009-0.017 kg/ tAD) of the compounds formed in the bleaching leave the mill in the final effluent.
publisher AMER CHEMICAL SOC
issn 0013-936X
year published 2003
volume 37
issue 4
beginning page 811
ending page 814
digital object identifier (doi) 10.1021/es0200847
web of science category Engineering, Environmental; Environmental Sciences
subject category Engineering; Environmental Sciences & Ecology
unique article identifier WOS:000181067100023
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