Phycoremediation of wastewater is not a new concept and microalage growing in most of the wastewater but the wastewater composition are not very close to the medium composition required for their optimal growth. So, scientist proposed a methodology to add nutrients in wastewater to nehance algal growth and lipid as well.
in one case i observed that the supplementation of nitrogen in wastewater not only ehanhance wsatewater but lipid as well.
This experiment repeated again and again but observed same result.
Please suggest me how is it possible?
The degree of nitrogen availability in the combination of temperature effect has been identified as the critical determinant for the maximal production of lipid in microalgae. Nevertheless, major advances in this field can be considered by studying more stresses techniques and genetic strategies.
Of particular interest was the influence of nitrogen depletion and variation of temperature on lipids as well as triglycerides production in microalgae As nitrogen concentration in the medium was reduced by 75% and at temperature of 30°C, an increase in lipid and triglyceride contents with high lipid productivity was noticed. Based on dry weight, algal biomass can serve as lipid-rich feedstock with increased lipid content (59.3%) compared to control (34.6%). Simple regression provides significant differences in percentages between variables. For application at commercial scale, future work should be directed to additional practice to improve algal lipid yield per unit time.
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