SYNTHESIS OF ZEOLITE-A USING KAOLIN SAMPLES FROM DARAZO, BAUCHI STATE AND AJEBO, OGUN STATE IN NIGERIA
| dc.contributor.author | Mgbemere, Henry | |
| dc.contributor.author | Lawal, Ganiyu | |
| dc.contributor.author | Ekpe, Ikenna | |
| dc.contributor.author | Chaudhary, Anna-Lisa | |
| dc.date.accessioned | 2022-01-13T00:48:37Z | |
| dc.date.available | 2022-01-13T00:48:37Z | |
| dc.date.issued | 2018-01 | |
| dc.description.abstract | Kaolin samples from Ajebo and Darazo in Nigeria were characterized and used to produce zeolite-A crystals. The thermal analysis indicates that both samples undergo de-hydroxylation from 450 oC to about 700 oC and are converted to metakaolin with a weight loss of about 11.39 and 10.43% for the Ajebo and Darazo samples respectively. Characteristic OH, Al-OH, Si-OH and Si-O-Al bands were confirmed in both samples with Infra-red spectroscopy studies. The X-ray diffraction patterns clearly show the presence of the characteristic peaks (12.35 and 24.88o) of kaolinite with little quartz impurities. X-ray diffraction measurements (2Ɵ peaks at 7–18o and 21–35o) and scanning electron micrographs clearly show that zeolite-A crystals are produced. The microstructures of kaolin, metakaolin and zeolite-A crystals reveal the presence of platy crystals, amorphous spherical aggregates and cubic-shaped crystals with some amorphous gel respectively. The results show that both Ajebo and Darazo kaolin are suitable for zeolite-A synthesis. | en_US |
| dc.description.sponsorship | The authors greatly acknowledge the financial support from the Central Research Committee of the University of Lagos under the grant: CRC 2016:14. Special thanks to the head of the Institute of Advanced Ceramics, Hamburg University of Technology, Germany for the opportunity to carry out the particle size analysis. | en_US |
| dc.identifier.issn | 2467-8821 | |
| dc.identifier.uri | https://ir.unilag.edu.ng/handle/123456789/10225 | |
| dc.language.iso | en | en_US |
| dc.publisher | Nigerian Journal of Technology (NIJOTECH) | en_US |
| dc.subject | Kaolin, Metakaolin, Thermal analysis, X-ray Diffraction, Zeolite-A | en_US |
| dc.title | SYNTHESIS OF ZEOLITE-A USING KAOLIN SAMPLES FROM DARAZO, BAUCHI STATE AND AJEBO, OGUN STATE IN NIGERIA | en_US |
| dc.type | Article | en_US |