An extended pretreatment (60 h) was trialled for batch 2. Results (Fig. 1b) show that different concentrations of FNA, higher than 2.25 mg HNO2–N/L up to 26.98 mg HNO2–N/L, all had a similar effect on lipid extraction.
An extended pretreatment (60 h) was trialled for batch 2. Results (Fig. 1b) show that different concentrations of FNA, higher than 2.25 mg HNO2–N/L up to 26.98 mg HNO2–N/L, all had a similar effect on lipid extraction.