In an era where environmental sustainability meets technological innovation, "Green Alchemy" presents a groundbreaking exploration of microalgae's dual potential in wastewater treatment and biofuel production. This comprehensive work delves into cutting-edge research on using microalgal systems for bioremediation of anaerobic digestate wastewater while simultaneously generating valuable biomass for bioethanol production. Microalgae cultivation offers a sustainable method for digestate valorization and nutrient recovery. These photosynthetic microorganisms effectively assimilate inorganic...