Table 7 Raw material costs of the biotechnological production of H. pluvialis, comparing four different downstream scenarios D1, D2, D3, and D4

Water cultivation

13,101

13,101

13,101

13,101

CO₂ cultivation

9260

9260

9260

9260

Nutrient cultivation

6736

6736

6736

6736

CO₂ for extraction

4687

–

–

–

Ethyl acetate (replaced 33 times in 330 days)

–

17,327

17,327

–

Acetone cleaning

5564

5564

5564

–

Water germination

–

–

6.04

–

Nutrient germination

–

–

6736

–

Glucose

–

–

70

–

Total raw material costs

Euro

39,347

51,987

58,799

29,096