Abstract
Industrial wastewater has often shown to pose a serious environmental threat if not properly treated before discharges. In a similar vein, textile wastewater may degenerate the environment due to the high content of chemical substances, suspended solids and a very conspicuous intense color among other things. An attempt has therefore been made in this study to classically optimize the removal of color, suspended solids (SS) and chemical oxygen demand (COD) using natural clinoptilolite (CPL). By applying 8g of CPL of (75–250) μm particle sizes, at a low and acidic pH of 2–3, for 100min contact time and agitation of reaction at 150rpm, the pollutant removals were: 89% of color, 90% of SS and 79% of COD. However, a very negligible increase in color, only up to 90% (i.e., less than 1%), but a reasonable removal in SS (up to 96%) was obtained when the media dosage was increased to 10g. The kinetics of the adsorption of pollutants was studied.
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