Inaddition,optimized the processing param-eters in producing high quality SDEWP, and Huang et al. (1996)compared four different drying methods (freeze drying, spraydrying, roller drying and hot air drying) on the SDEWP pow-der quality. However, no report is available on desalination ofthe SDEWP and the desalinated SDEWP may have wider appli-cations with the low salt content