دور بعض الطحالب الخضر المزرقة في المعالجة الحيوية لبعض العناصر المعدنية الثقيلة

Abstract EN

In the present study two species of blue green algae Microcystis aeruginosa and Hapalosiphon aureus were treated with two heavy mineral element were cadmium and lead on the different concentration ( 0.10 , 0.25 , 0.50 , 1.0 and 2.0 ) mg / L for two weeks to know the possibility to the bioremediation .

The results of the study were showing that , the alga H .

aureus accumulated more of lead element the concentration was ( 1.724 ) µg / gm dry weight whereas , the concentration ( 1.579 ) µg / gm dry weight on the alga M .aeruginosa at the treatment 2 mg / l .

On the other hand the algal M .aeruginosa was accumulated more of cadmium element (1.08) µg / gm dry weight as compared with the algal H .

aureus ( 0.63 ) µg / gm dry weight at the same treatment .The difference was observed on the concentration of the two element between the different treatments , It was noticed a gradual increase on the concentrations of the two elements on the two species of algae with the increase that occurred on the concentration of the treatments , it was observed from the results of the statistical analysis some of significant differences on the concentrations of lead and cadmium elements on the algae between the used treatments.