Process phase |
Factor |
Effect on biosorption |
Effect on cell wall |
Effect on biosorption |
Ethanol fermentation |
High ethanol concentration |
Lower specific surface area and reduced concentration of mannans in the cell wall [31] |
Negative |
Increased chitin concentration [24] |
Positive |
Denaturation of soluble cell wall proteins [35,36] |
Positive |
Enzyme production |
Phosphate limitation |
Lower amount of teichoic acids in Bacillus [45] |
Negative |
Separation (filtration) |
Shear forces |
Disintegration and leaking of cell wall polysaccharides [47] |
Negative |
Thermal disruption |
High temperature |
Denaturation of soluble cell wall proteins [35,36] |
Positive |
Mechanical disruption |
Shear forces |
Disintegration and leaking of cell wall polysaccharides [47] |
Negative |