id	keyword
biotropia-2421	microalgae
biotropia-2421	et al
biotropia-2421	production
biotropia-2421	lipid
biotropia-2421	biomass
biotropia-2421	content
biotropia-2421	bioethanol
biotropia-2421	cultivation
biotropia-2421	biodiesel
biotropia-2421	chlorella
biotropia-2421	energy
biotropia-2421	wastewater
biotropia-2421	method
biotropia-2421	harvesting
biotropia-2421	biofuel
biotropia-2421	growth
biotropia-2421	carbohydrate
biotropia-2421	biorefinery
biotropia-2421	process
biotropia-2421	oil
biotropia-2421	biohydrogen
biotropia-2421	biojet
biotropia-2421	costs
biotropia-2421	soil