Abstract:
Influencing factors on Ni bioaccumulation by
Synechcoccus were studied. The equilibration time of Ni bioaccumulation was about 80 min in aqueous solution. The bioaccumulation quantity reached a maximum when the mass ratio of Ni to
Synechcoccus was between 16%-18%, and increased with the increasing ofpH. The optimum pH was 9-10 because high pH would lead to precipitation of Ni(OH)
2. The bioaccumulation quantity was also influenced by temperature and illumination intensity and the optimal condition was 35℃ and 3000 lx. The bioaccumulation of nonliving algae was lager than that of living algae.
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