1. Introduction
The textile industry wastewater is rated as the most polluting
among all industrial sectors in terms of both volume and composition
of the effluents [1,2]. The color in these wastewaters is due to
synthetic dyes left unused due to industrial inefficiencies. Presently
over 10,000 different dyes and pigments are used in dyeing and
printing industries all over the world. The total world colorant
production is estimated to be 800,000 tons per year and at least
10–15% of the used dyestuff enters the environment throughwastes
[3–5]. Many of them are believed to be toxic and carcinogenic