Abstract
The removal of cupric ions from aqueous solution by a biosorption column in which the Rhizopus arrhizus fungal biomass was immobilized in reticulated foam biomass support particles was studied. Solution pH was found to be crucial to copper uptake, with the optimum range being 6·7–7·0. The removal efficiency was usually higher at low influent copper concentration and long residence time. The presence of other cations and anions inhibited copper uptake in the following order: for the cations, Mn2+ ≫ Zn2+ > Cd2+ > Mg2+ > Ca2+; for the anions, EDTA ≫ SO 42‐ ≫ Cl−. The biosorption process was fully reversible and regenerated columns showed undiminished performance.
| Original language | English |
|---|---|
| Pages (from-to) | 317-330 |
| Number of pages | 14 |
| Journal | Journal of Chemical Technology and Biotechnology |
| Volume | 52 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1991 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Free Keywords
- biosorption
- copper
- fungal immobilization
- regeneration
ASJC Scopus subject areas
- Biotechnology
- General Chemical Engineering
- Renewable Energy, Sustainability and the Environment
- Fuel Technology
- Waste Management and Disposal
- Pollution
- Organic Chemistry
- Inorganic Chemistry
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