Bioaccumulation processes for mercury removal from saline waters by green, brown and red living marine macroalgae
authors Fabre, E; Dias, M; Henriques, B; Viana, T; Ferreira, N; Soares, J; Pinto, J; Vale, C; Pinheiro-Torres, J; Silva, CM; Pereira, E
nationality International
journal ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
author keywords Bioaccumulation; Mercury; Macroalgae; Affinity; Uptake; Water treatment
abstract Mercury is a very toxic metal that persists and accumulates in the living organisms present in the aquatic systems and its elimination is an urgent need. Two green (Ulva intestinalis and Ulva lactuca), brown (Fucus spiralis and Fucus vesiculosus), and red (Gracilaria sp. and Osmundea pinnatifida) marine macroalgae were tested for mercury removal from saline waters. The ability of each species was evaluated to the initial mercury concentrations of 50, 200, and 500 mu g dm(-3) along 72 h. In general, all species exhibited good performances, removing 80.9-99.9% from solutions with 50 mu g dm(-3), 79.3-98.6% from solutions with 200 mu g dm(-3), and 69.8-97.7% from solutions containing 500 mu g dm(-3) of mercury. Among the macroalgae, Ulva intestinalis showed the highest affinity to mercury and it presented an uptake ability up to 1888 mu g g(-1) of Hg(II) and bioconcentration factors up to 3823, which proved its promising potential on Hg removal.
publisher SPRINGER HEIDELBERG
issn 0944-1344
isbn 1614-7499
year published 2021
volume 28
issue 23
beginning page 30255
ending page 30266
digital object identifier (doi) 10.1007/s11356-021-12687-2
web of science category 12
subject category Environmental Sciences
unique article identifier WOS:000617854700003
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