**Comparison of the Thermodynamic Parameters Estimation for the Adsorption Process of the Metals from Liquid Phase on Activated Carbons**

Svetlana Lyubchik, Andrey Lyubchik, Olena Lygina, Sergiy Lyubchik and Isabel Fonseca

*REQUIMTE, Faculdade Ciência e Tecnologia, Universidade Nova de Lisboa Quinta de Torre, Campus da Caparica, 2829-516 Caparica Portugal* 
