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7 Cards in this Set
- Front
- Back
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What are the 3 ways to harvest algae starting with the least efficent? |
Gravity sedimentation Filtration Centrifugation |
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What can be done before harvesting to make it easier? |
Flocculation. Aggregates cells together to make separation easier |
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What are the different methods of dehydration? |
Sun drying Spray drying Freeze drying Drum drying |
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What is the step after drying? How is it done? |
Cell disruption. Done to recover intracellular products. Bread mills, ultrasound. Freezing, solvents, enzymes. |
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What are the last 2 steps of algae processing? |
Extraction - desired products using solvents Purification - separation using chromatography |
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Why is algae useful for wastewater treatment? |
Removes nutrients (N, P...) Removes heavy metals |
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What are the improvements that could be made to the algae industry? |
Better algae (genetic engineering) Better processes Better product portfolio |
