In thiswork, an agriculturalwaste: dried sunflower leaveswas
used as an alternative low-cost sorbent in the removal of copper
from aqueous solutions. This waste was collected in autumn
(September 2002) from the regions of El-Fehoul mainly and
Sidi-El-Abdelli, in Tlemcen, Algeria, in the form of large flakes,
cut and sun/air dried at ambient temperature. Itwas continuously
washed with distilled water to remove the surface adhered particles
and water soluble materials, and oven-dried overnight at
80 ◦C for 24 h after filtration. This material was crushed and
sieved to have particles of size: 0.50–3.15mm for further batch
sorption experiments.
In thiswork, an agriculturalwaste: dried sunflower leaveswasused as an alternative low-cost sorbent in the removal of copperfrom aqueous solutions. This waste was collected in autumn(September 2002) from the regions of El-Fehoul mainly andSidi-El-Abdelli, in Tlemcen, Algeria, in the form of large flakes,cut and sun/air dried at ambient temperature. Itwas continuouslywashed with distilled water to remove the surface adhered particlesand water soluble materials, and oven-dried overnight at80 ◦C for 24 h after filtration. This material was crushed andsieved to have particles of size: 0.50–3.15mm for further batchsorption experiments.
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