Algal bioremediation Flashcards

1
Q

How can aquatic ecosystems be degraded and what is it caused by?

what are the primary contributors?

A

Algal blooms due to nutrient enrichment from human activity

nitrogen and phosphorus

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2
Q

What has the highest effects on the levels of nutrients in NZ rivers?

A

Land use (forestry, agriculture)

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3
Q

What is algal bioremediation?

A

Using live freshwater macroalgae to remove excess nutrients -> controlled cultivation of algae

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4
Q

Which algae was used for bioremediation and why?

A

Oedogonium sp. -> fastest grower and competitive dominance high

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5
Q

What is also important for a suitable algae species for bioremediation?

A

consistent year-round productivity

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6
Q

How can suitable locations for algal bioremediation be detected?

A

environmental tolerances of algae

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7
Q

How is bioremediation predicted?

A

Using simple models

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8
Q

What is an ideal resource for freshwater and macroalgae?

A

residual nitrogen and phosphorus

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9
Q

Briefly describe the process of the Burdekin Shire WWTP and what can the algae be used for but cleaning water?

A

Food, animal feed, blue-energy, fertilizer, nutritions, biocrude, protein

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10
Q

How is algae integrated into a circular economy?

A
  • municipal waste reduction
  • agricultural production system
  • industrial production system
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