Co-hydrothermal Carbonization of Chlorella vulgaris and Sewage Sludge

Abstract

The concerns about climate change, energy security, and the depletion of fossil fuel supplies have increased the importance of developing and deploying renewable energy sources. Due to its availability, renewability, and potential for minimising greenhouse gas emissions, biomass, particularly microalgae and sewage sludge, has emerged as a possible feedstock for biofuel production. Chlorella vulgaris is a microalga rich in organic matter that has been researched for its biofuel generation potential. While sewage sludge is a residual that form from the wastewater treatment. However, hydrothermal carbonization (HTC) has been recognised as the most efficient option for both Chlorella vulgaris and sewage sludge.