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Which of the following methods can be used to separate phosphates from insoluble precipitates during drying of algal biomass?

(a) Sedimentation

(b) Temperature

(c) pH

(d) Volume

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This key question is from Microalgal Culture in division Biotechnological Approaches of Microalgal Culture of Environmental Biotechnology

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Right answer is (a) Sedimentation

The explanation: During drying of algal biomass, sedimentation method can be used for removal of phosphates from insoluble precipitates of heavy metals, temperature, pH or the volume component cannot be used to separate phosphates from insoluble precipitates of the heavy metals.

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