Decoloration of a carpet dye effluent using Trametes versicolor.
Although a non-sterile, undiluted carpet dye effluent (containing two anthraquinone dyes) did not support growth of Trametes versicolor, the pre-grown fungus removed 95% of its color in shake-flasks after 10 h of incubation. After decoloration, the COD of the cell-free supernatant increased and the toxicity was unchanged as determined by the Microtox assay using Vibrio fischeri. Decoloration rates decreased when either glucose alone or Mn2+ and glucose were added. T. versicolor, immobilized on jute twine in a rotating biological contacting reactor, also decolorized four successive batches of the effluent. There was no decoloration in any of the uninoculated, non-sterile controls.
Ramsay
Juliana A
JA
Department of Chemical Engineering, Queen's University, Kingston, Ontario, Canada K7L 3N6. ramsayj@chee.queensu.ca
Goode
Chris
C
D001487:Basidiomycota / Q000187:drug effects / Q000254:growth & development* / Q000378:metabolism*; D001673:Biodegradation, Environmental; D019149:Bioreactors / Q000382:microbiology*; D003116:Color; D004396:Coloring Agents / Q000378:metabolism*; D005947:Glucose / Q000378:metabolism; D007220:Industrial Waste / Q000517:prevention & control*; D008274:Magnesium / Q000494:pharmacology; D010101:Oxygen Consumption / Q000187:drug effects / Q000502:physiology; D013783:Textile Industry / Q000379:methods*; D018508:Water Purification / Q000379:methods*
D004396:Coloring Agents; D007220:Industrial Waste; D008274:Magnesium; D005947:Glucose