|
Silica gel derived from palm oil mill fly ash |
|---|---|
| รหัสดีโอไอ | |
| Creator | 1. Panca Setia Utama 2. Ram Yamsaensung 3. Chayanoot Sangwichien |
| Title | Silica gel derived from palm oil mill fly ash |
| Publisher | Research and Development Office, Prince of Songkla University |
| Publication Year | 2018 |
| Journal Title | Songklanakarin Journal of Science and Technology |
| Journal Vol. | 40 |
| Journal No. | 1 |
| Page no. | 121 |
| Keyword | extraction, optimization, palm oil mill fly ash, response surface methods, silica gel |
| URL Website | http://rdo.psu.ac.th/sjstweb/index.php |
| ISSN | 0125-3395 |
| Abstract | Agro-wastes, especially ash containing silica, are promising sources of silica for synthetic amorphous silica production.In this research, palm oil mill fly ash (POMFA) was used as a raw material for silica gel production. The response surfacemethod-central composite design was applied to study and to optimize the temperature and stirring speed for silica extractionfrom POMFA using sodium hydroxide solvent. Filtrates were analyzed using inductively plasma optical emission spectroscopyto measure their silica content. At the optimum condition, 60.42?0.83% of the silica can be extracted from the POMFA. Theextract silica was acidified using 10% (v/v) H2SO4 to form silica gel. The chemical composition, the phases, and the micrographof silica gel product are similar to the commercial silica gel. |
