Bioremoval of toxic elements with aquatic plants and algae
Conference
·
OSTI ID:477268
- Harbor Branch Oceanographic Inst., Fort Pierce, FL (United States)
- Microbial Products, Inc., Vero Beach, FL (United States)
Aquatic plants were screened to evaluate their ability to adsorb dissolved metals. The plants screened included those that are naturally immobilized (attached algae and rooted plants) and those that could be easily separated from suspension (filamentous microalgae, macroalgae, and floating plants). Two plants were observed to have high adsorption capabilities for cadmium (Cd) and zinc (Zn) removal: one blue green filamentous alga of the genus Phormidium and one aquatic rooted plant, water milfoil (Myriophyllum spicatum). These plants could also reduce the residual metal concentration to 0.1 mg/L or less. Both plants also exhibited high specific adsorption for other metals (Pb, Ni, and Cu) both individually and in combination. Metal concentrations were analyzed with an atomic absorption spectrophotometer (AAS).
- OSTI ID:
- 477268
- Report Number(s):
- CONF-950483--; ISBN 1-57477-011-X
- Country of Publication:
- United States
- Language:
- English
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