Experimental studies on the application of the adsorbtion method for chromium ions removal from contaminated water

Abstract

Expanding industry and growing urbanization of cities increase the pollution of wastewater with heavy metals. Chromium ions contained in insufficiently effectively treated wastewater can become toxic to the environment and cause negative consequences for living organisms. Due to the toxicity of chromium, it is necessary to remove chromium ions from contaminated water in order to protect human health and the environment, and one of the most suitable methods for removing chromium ions from contaminated water is adsorption. This article describes the application of the adsorption method for removing chromium ions from contaminated water using expanded clay as a adsorbent. Several important parameters were studied: the dependence of the adsorption process on time, chromium ion concentration and pH, and the adsorption process in the column was studied. The results of the study showed that expanded clay is a suitable adsorbent for removing chromium ions from contaminated water.