Chaff is the waste from the agricultural sector. Currently, there are many benefits to be used, and from the study of the chemical composition of rice husk ash found a 70 percent silica-90 (green, juicy 2556 (2013)), which is implemented as the silica source. Synthesis of silica nano-particles, are level with the chemical processes can have multiple routes, such as the synthetic process of SEO lache (et al., 2012; Rafiee Hariharan et al., et al., 2013; Adam patcharin, 2553 (2010); 2011) The process of hydraulic Terminal hotel (Carmona et al., 2013) process of silica fiber rose Lai (Gu et al., 2013), and the process of settling (Jal et al, et al., 2004; Noushad 2012) by settling into the easy way and not complicated.
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