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Development of a continuous process for metal accumulation by Zoogloea ramigera
1Department of Technical Microbiology, Chemical Center, P.O.B. 740, S-220 07 Lund 7, Sweden.
Biotechnology and Bioengineering
|March 1, 1984
Summary
This study shows that acidic polysaccharide biomass from Zoogloea ramigera efficiently adsorbs copper. Optimal conditions were identified for rapid and effective copper recovery using this biosorbent.
Area of Science:
- Biotechnology
- Environmental Science
- Materials Science
Background:
- Biomass, an acidic polysaccharide from Zoogloea ramigera, is explored as a biosorbent for metal recovery.
- Acidic polysaccharides offer potential for efficient metal ion chelation and removal from aqueous solutions.
Purpose of the Study:
- To investigate the adsorption of copper (Cu) using Zoogloea ramigera biomass.
- To determine optimal conditions for copper recovery, focusing on retention time, biomass concentration, and pH.
Main Methods:
- A continuous adsorption process was employed to study copper uptake by the biomass.
- Key parameters including retention time, biomass concentration, and reaction pH were systematically varied.
Main Results:
- Copper adsorption by the biomass was rapid and highly efficient, with approximately 0.17 g Cu adsorbed per gram of biomass within 10 minutes.
- Higher biomass concentrations led to greater total copper removal but lower specific adsorption per unit of biomass.
- The biomass demonstrated enhanced adsorptive uptake at lower concentrations.
Conclusions:
- Zoogloea ramigera biomass is an effective biosorbent for copper recovery.
- Optimizing biomass concentration and reaction conditions is crucial for maximizing copper adsorption efficiency.
