Removal of Organic Dyes from Industrial Effluents: An Overview of Physical and Biotechnological Applications - Green Chemistry for Dyes Removal from Wastewater - page 9

Solvent plastics, gasoline,

varnishes, lacquers,
stains, inks, fats, oils,
and waxes

dissolution in the substrate azo, triphenylmethane,

anthraquinone,
and phthalocyanine

Sulfur cotton and rayon aromatic substrate vatted with

sodium sulide and re-oxidized
to insoluble sulfur-containing
products on iber

indeterminate structures

Vat cotton, rayon, and wool water-insoluble dyes solubilized

by reducing with sodium
hydrogen sulite, then exhausted
on iber and re-oxidized

anthraquinone (including
polycyclic quinones) and
indigoids