Mostrar el registro sencillo del documento
Hydrothermal transformation of kaolinite in the system k₂osio₂al₂o₃h₂o
dc.rights.license | Atribución-NoComercial 4.0 Internacional |
dc.contributor.author | Ríos Reyes, Carlos Alberto |
dc.contributor.author | Denver Williams, Craig |
dc.date.accessioned | 2019-06-28T01:51:02Z |
dc.date.available | 2019-06-28T01:51:02Z |
dc.date.issued | 2010 |
dc.identifier.uri | https://repositorio.unal.edu.co/handle/unal/37584 |
dc.description.abstract | A kaoliniterich raw material was treated hydrothermally with 1.33 and 3.99M KOH solutions at 100 and 175 °C during different reaction times ranging from 24 to 528 h. The synthesis products were characterized by Xray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, magic angle spinning nuclear magnetic resonance and thermogravimetric analysis in order to elucidate their physicochemical and mineralogical characteristics. The transformation of the starting material in KOH solutions can be explained by two different processes: (1) dissolution and (2) precipitation. A series of crystalline phases summarized by the reaction sequence kaolinite → chabazite → edingtonite → unidentified potassium aluminosilicate phase → kalsilite + leucite was identified in the system K₂OSiO₂Al₂O₃H₂O. The solid products show, on the other hand, remarkable textural and structural differences with the starting material. |
dc.format.mimetype | application/pdf |
dc.language.iso | spa |
dc.publisher | Universidad Nacional de Colombia Sede Medellín |
dc.relation | http://revistas.unal.edu.co/index.php/dyna/article/view/25537 |
dc.relation.ispartof | Universidad Nacional de Colombia Revistas electrónicas UN Dyna |
dc.relation.ispartof | Dyna |
dc.relation.ispartofseries | Dyna; Vol. 77, núm. 163 (2010); 55-63 DYNA; Vol. 77, núm. 163 (2010); 55-63 2346-2183 0012-7353 |
dc.rights | Derechos reservados - Universidad Nacional de Colombia |
dc.rights.uri | http://creativecommons.org/licenses/by-nc/4.0/ |
dc.title | Hydrothermal transformation of kaolinite in the system k₂osio₂al₂o₃h₂o |
dc.type | Artículo de revista |
dc.type.driver | info:eu-repo/semantics/article |
dc.type.version | info:eu-repo/semantics/publishedVersion |
dc.identifier.eprints | http://bdigital.unal.edu.co/27668/ |
dc.relation.references | Ríos Reyes, Carlos Alberto and Denver Williams, Craig (2010) Hydrothermal transformation of kaolinite in the system k₂osio₂al₂o₃h₂o. Dyna; Vol. 77, núm. 163 (2010); 55-63 DYNA; Vol. 77, núm. 163 (2010); 55-63 2346-2183 0012-7353 . |
dc.rights.accessrights | info:eu-repo/semantics/openAccess |
dc.subject.proposal | Kaolinite |
dc.subject.proposal | potassium hydroxide |
dc.subject.proposal | zeolites |
dc.subject.proposal | dissolution |
dc.subject.proposal | precipitation |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 |
dc.type.coarversion | http://purl.org/coar/version/c_970fb48d4fbd8a85 |
dc.type.content | Text |
dc.type.redcol | http://purl.org/redcol/resource_type/ART |
oaire.accessrights | http://purl.org/coar/access_right/c_abf2 |
Archivos en el documento
Este documento aparece en la(s) siguiente(s) colección(ones)
-
Dyna [1620]
![Atribución-NoComercial 4.0 Internacional](/themes/Mirage2//images/creativecommons/cc-generic.png)