Selective phosphate separation and enrichment from real digestate via membrane capacitive deionization using LDH/biochar composite electrodes

Key Points

• Phosphate enrichment from real digestate improved significantly through the membrane capacitive deionization method, highlighting its effectiveness.
• The analysis showed an increase in phosphate capture efficiency, achieving over 75% under optimal conditions in a lab setting.
• Assessment utilizing LDH/biochar composite electrodes led to enhanced performance compared to conventional methods in phosphate extraction.
• Implications suggest that this technology may advance sustainable nutrient recovery practices, addressing environmental concerns.