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The problems for the protection of the environment from various pollutants are considered worldwide as fundamental for mankind. A large number of people are nowadays exposed to the different pollutions in waste and potable water. The pollutions have a harmful effect on the biological system. Some regions in Bulgaria and Turkey have serious problems with water contaminated with metal ions. The heavy metals (Hg, As, Cd, Mn, etc.) have a harmful effect on human physiology and other biological system when they are fou...

The aim of this investigation is to determine the adsorption behavior of chromium (VI) on Tuncbilek activated carbon sample. The effects of the Cr concentration (25-100 ppm), temperature (297-325 K) and pH (2.5-9.8) on adsorption were investigated systematically. It was found that the effectiveness sequence of the parameters was initial Cr(VI) concentration, temperature and pH. Increasing the pH from 2.5 to 9.8 causes a decrease in adsorption. But it is obvious that adsorption was increased by increasing the initi...