TY - JOUR ID - TI - ADSORPTION OF Pb (II) IONS USED BLACK TEA WASTES FROM AQUEOUS SOLUTION AU - Tamara Kawther Hussien AU - Nidaa Adil Jasim PY - 2018 VL - 22 IS - 2 conference proceedings (Part-3) SP - 129 EP - 138 JO - Journal of Engineering and Sustainable Development (JEASD) مجلة الهندسة والتنمية المستدامة SN - 25200917 25200925 AB - The present study investigates the possibilityof removing lead (Pb II) ions from aqueous solution in batch process by the adsorption onto black tea wastes.The influences of different adsorption parameters such as pH, contact time, adsorbent dosage and metal concentration have been studied. The maximum result at optimum pH 4, 60 min contact time, 0.5 g/100ml dosage and 10 mg/l initial metal concentration were 96%, 98%, 97% and 98.5% respectively at room temperature. The equilibrium data depicted by Freundlich and Langmuir models. The Freundlich isotherm get together with the experimental data than Langmuir. This study enhance to use black tea waste as an inexpensive material, it can be an alternative to other expensive adsorbents used to remove Pb(II) ions from wastewater

ER -