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| Content Provider | Springer Nature Link |
|---|---|
| Author | Choi, Choong Lyeal Park, Man Lee, Dong Hoon Komarneni, Sridhar Kim, Young Hun Lim, Woo Taik |
| Copyright Year | 2006 |
| Abstract | Salt-thermal method exhibits several features such as high production yield, large-scale conversion, low elemental loss, and environmentally benign nature. This study has investigated the optimization of the NaOH–KNO$_{3}$ system for the zeolitization of fly ash and elucidated the characteristics of the resulting zeolitic materials. The following are the optimal reaction conditions for zeolitization of fly ash in NaOH–KNO$_{3}$ system: a temperature of 250 °C, 0.3–0.5 weight ratio of NaOH/KNO$_{3}$ and 0.7–1.4 weight ratio of KNO$_{3}$/fly ash. The NaOH–KNO$_{3}$ system is also confirmed for facile zeolitization of anthracite briquette, kaolinite, and pumice. The NaOH–KNO$_{3}$ system is likely to result in KNO$_{3}$ occlusion or/and trapping. Because KNO$_{3}$ supplies two plant nutrients, the zeolitic materials synthesized by the NaOH–KNO$_{3}$ system could be used in agriculture as soil conditioners and fertilizer additives. It is clearly shown in this study that KNO$_{3}$ could be employed in place of NaNO$_{3}$ in the salt-thermal method with a potential use of the product as soil conditioner and fertilizer. |
| Starting Page | 37 |
| Ending Page | 42 |
| Page Count | 6 |
| File Format | |
| ISSN | 13802224 |
| Journal | Journal of Porous Materials |
| Volume Number | 14 |
| Issue Number | 1 |
| e-ISSN | 15734854 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2006-12-02 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Zeolitization Mineral wastes Salt-thermal method NaOH–KNO$_{3}$ system NaOH–NaNO$_{3}$ system Physical Chemistry Characterization and Evaluation of Materials Catalysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials Materials Science Mechanical Engineering |
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