Journal
SEPARATION SCIENCE AND TECHNOLOGY
Volume 51, Issue 14, Pages 2360-2368Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2016.1212888
Keywords
Activated carbon; adsorption; bentonite; copper; lead
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In this study, bentonite originating from Turkey (Eskiehir province) and activated carbon obtained from grapeseed were used as adsorbents for the removal of lead (Pb2+) and copper (Cu2+) ions from aqueous solutions. Experiments were performed in single- and binary-ion systems at constant temperature of 298 K and pH value of 5. In order to describe the adsorption mechanism Langmuir, Freundlich and Temkin isotherms were used. The total adsorption capacity values of adsorbents were compared. It was observed that the total adsorption capacity values were changed depending on the type of adsorbent used, type of metal ion and interaction between metal ions.
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