Special Instruction(s)

Standard constants and formulae:

1 bar = 1x10 Pa, 1 cP = 1 mPa.s, 1 m 1000 L, 1 kcal = 4184 J.

RMM: C=12, H=1, S=32, O=16; R = 8.314 J mol K'.

Algae offer a mechanism, via photosynthesis, to upgrade waste materials to value added products. (b) Explain what is meant by photosynthesis.

(d) With the aid of a diagram, explain the different growth phases of a microalgae .

(e) With the aid of a diagram, show how biodiesel may be generated from algae.