Rice University scientists found they could easily grow high-value strains of oil-rich algae while simultaneously removing more than 90 percent of nitrates and more than 50 percent of phosphorus from wastewater. Read more about the study to make algae production sustainable with wastewater-based cultivation.

http://news.rice.edu/2015/04/02/rice-u-study-algae-from-wastewater-solves-two-problems-2/