We’re excited to share that our viewpoint article, “Reframing Induction-Heated Membrane Distillation: From Flux Enhancement to Durable, Energy-Efficient Design,” has been published in ACS ES&T Engineering.
Link to the paper: https://pubs.acs.org/doi/full/10.1021/acsestengg.5c00937
Induction-heated membrane distillation (IH-MD), a rapidly developing interfacial-heating desalination approach that couples electromagnetic fields with magnetically responsive coatings to deliver localized heat at the membrane interface, can significantly boost vapor generation. However, its long-term viability has been limited by material instability under hypersaline and oxidative conditions, as well as inconsistent methods for quantifying how much power reaches the membrane surface. Our study synthesizes these material and durability challenges and introduces a unified energy-accounting framework that distinguishes power delivery from power utilization. By incorporating a delivered-power coefficient (κ) together with thermal efficiency (TE), this framework improves transparency in comparing IH-MD performance across different materials, chemistries, and system designs. We also highlight the need for standardized reporting—covering delivered/coupled power, heated area, time-averaged flux, and durability testing to support reproducible progress and guide the development of IH-MD systems.
The work is supported by the U.S. Bureau of Reclamation (Grant R22AC00433).