Figure 1. Images (a,b,c, and d) Rice husk with aluminum foil derived NZ particles using calcinations and zeolitization processes

From

Rice Husk Derived Nano Zeolite (A.M.2) as Fertilizer, Hydrophilic and Novel Organophillic Material

Hassan AZA, Abdel Wahab M Mahmoud, G. Turky

American Journal of Nanomaterials. 2017, 5(1), 11-23 doi:10.12691/ajn-5-1-3