STUDIES ON INDIAN-OCEAN MANGANESE NODULES .4. ADSORPTION OF SOME BIVALENT HEAVY-METAL IONS ONTO FERROMANGANESE NODULES

Authors
PARIDA K SATAPATHY PK DAS N
Citation
K. Parida et al., STUDIES ON INDIAN-OCEAN MANGANESE NODULES .4. ADSORPTION OF SOME BIVALENT HEAVY-METAL IONS ONTO FERROMANGANESE NODULES, Journal of colloid and interface science, 181(2), 1996, pp. 456-462
Citations number
41
Categorie Soggetti
Chemistry Physical
Journal title
Journal of colloid and interface science → ACNP
ISSN journal
00219797
Volume
181
Issue
2
Year of publication
1996
Pages
456 - 462
Database
ISI
SICI code
0021-9797(1996)181:2<456:SOIMN.>2.0.ZU;2-V
Abstract
The adsorption behavior of M(2+) ions (M = Cu, Co, Ni, and Pb) onto ma nganese nodules has been investigated at 3.5 less than or equal to pH less than or equal to 5,6 (acetate-acetic acid buffer) and 30 less tha n or equal to T (degrees C) less than or equal to 50. Under identical conditions the adsorption capacity for different metal ions increased in the order Ni2+ < CO2+ < Cu2+ < Pb2+. In all cases the extent of ads orption increased with increasing pH and temperature. The behavior of various metal ions released from manganese nodules during adsorption h as also been discussed,(C) 1996 Academic Press, Inc.