ABSTRACT
Today, e fflu e n ts fro m th e a ctio n o f se v e ra l in d u s tr ie s , su ch as textile ,
leather, paper, a n d p la stic , are a m a jo r e n v iro n m e n ta l r is k d u e to
the p re se n ce o f m a n y sta b le d yes h a v in g a d v e rs e / to x ic re sp o n se s
to m a n y fo rm s o f life. T h e d is c h a rg e o f d yes in to the e n v iro n m e n t
is a m a tte r o f c o n c e rn for b o th to x ico lo g ica l as w e ll as a e sth e tic
re a so n s b e ca u se o f the p re se n ce o f a la rg e n u m b e r o f co n ta m in a n ts ,
lik e a c id s, b ases, d iss o lv e d so lid s , a n d co lo rs. T h e re fo re , dye
re m o v a l fro m w a ste w a te r is a p re s s in g re q u ire m e n t. In th is re g a rd ,
a d so rp t io n te ch n iq u e s are w id e ly u se d to re m o ve c e rta in c la sse s
o f p o llu ta n ts fro m in d u s tr ia l e fflu e nts, e sp e c ia lly th o se th a t are
n o t e a sily b io d e gra d a b le . T h is ch a p te r fo cu se s on the e ffe ctiv e n e ss
o f a d so rp t io n a n d lo w -c o s t a d so rb e n ts fo r dye c o n fisca tio n fro m
effluents.
