Rapid sludge treatment through phagotrophic algae cultivation using waste activated sludge pretreated with high-intensity alkali.

The mixotrophic alga Ochromonas danica efficiently synthesizes lipids through phagotrophy and osmotrophy. This study explored its growth using alkali-pretreated waste activated sludge (WAS). Pretreatment at pH 12 for 24 h released 56.4% of WAS organi…

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