Fatty acid rich effluent from acidogenic biohydrogen reactor as substrate for lipid accumulation in heterotrophic microalgae with simultaneous treatment

► Utilization of acid rich effluents for growth and lipid accumulation of microalgae. ► Integrated growth and starvation phases for enhanced lipid productivity. ► Lipid profile mapping and microalgae diversity varied with the substrates studied. ► Good wastewater treatment in terms of COD and VFA removal was noticed.