Coffee-ground carbon foam evaporator

Simultaneous desalination and sterilization

A multifunctional sponge using carbonized waste coffee grounds for photothermal conversion, enabling water purification and antibacterial action alongside desalination.

Wan, Wubo · Jiaqi, Hu · Yu, Li · Weijie, Wei · Rou, Zeng · Luxi, Zhang · Shi, Yaqin · Wang, Yingfei · Wang, Lijuan

Separation and Purification Technology 2026

Specifications

蒸发速率

{'zh': '2.26', 'en': ''} kg·m⁻²·h⁻¹

光热转换效率

{'zh': '99.36', 'en': ''} %

Advantages

Antibacterial activity against Escherichia coli and Staphylococcus aureus

Excellent mechanical stability and cycling durability