Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution
Alkalinity determination is of crucial significance for the applications of basic ionic liquids with imidazolyl. In this work, the ionization constant pKb value and acid function H- values of ionic liquids synthesized were calculated by pH method and UV spectrum-Hammett method. The dissolution ratio...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2018-01-01
|
| Series: | International Journal of Chemical Engineering |
| Online Access: | http://dx.doi.org/10.1155/2018/7501659 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850223804538683392 |
|---|---|
| author | Chao Liu Youming Li Yi Hou |
| author_facet | Chao Liu Youming Li Yi Hou |
| author_sort | Chao Liu |
| collection | DOAJ |
| description | Alkalinity determination is of crucial significance for the applications of basic ionic liquids with imidazolyl. In this work, the ionization constant pKb value and acid function H- values of ionic liquids synthesized were calculated by pH method and UV spectrum-Hammett method. The dissolution ratio of biomass in these ionic liquids was measured at different temperatures. Finally, the relationship between the alkalinity and structure of these ionic liquids was discussed, and the relationship between the alkalinity of ionic liquid and the dissolution mechanism biomass was also discussed. The results show that the basicity of carboxylate ionic liquids is determined mainly by their anions, whereas cations take some finely tuned roles. Furthermore, cations and anions are equally important and are involved in dissolution mechanisms. |
| format | Article |
| id | doaj-art-437f5bb9ea344bd79813ba5f26730c5d |
| institution | OA Journals |
| issn | 1687-806X 1687-8078 |
| language | English |
| publishDate | 2018-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Chemical Engineering |
| spelling | doaj-art-437f5bb9ea344bd79813ba5f26730c5d2025-08-20T02:05:49ZengWileyInternational Journal of Chemical Engineering1687-806X1687-80782018-01-01201810.1155/2018/75016597501659Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass DissolutionChao Liu0Youming Li1Yi Hou2State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, ChinaState Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, ChinaState Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, ChinaAlkalinity determination is of crucial significance for the applications of basic ionic liquids with imidazolyl. In this work, the ionization constant pKb value and acid function H- values of ionic liquids synthesized were calculated by pH method and UV spectrum-Hammett method. The dissolution ratio of biomass in these ionic liquids was measured at different temperatures. Finally, the relationship between the alkalinity and structure of these ionic liquids was discussed, and the relationship between the alkalinity of ionic liquid and the dissolution mechanism biomass was also discussed. The results show that the basicity of carboxylate ionic liquids is determined mainly by their anions, whereas cations take some finely tuned roles. Furthermore, cations and anions are equally important and are involved in dissolution mechanisms.http://dx.doi.org/10.1155/2018/7501659 |
| spellingShingle | Chao Liu Youming Li Yi Hou Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution International Journal of Chemical Engineering |
| title | Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution |
| title_full | Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution |
| title_fullStr | Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution |
| title_full_unstemmed | Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution |
| title_short | Basicity Characterization of Imidazolyl Ionic Liquids and Their Application for Biomass Dissolution |
| title_sort | basicity characterization of imidazolyl ionic liquids and their application for biomass dissolution |
| url | http://dx.doi.org/10.1155/2018/7501659 |
| work_keys_str_mv | AT chaoliu basicitycharacterizationofimidazolylionicliquidsandtheirapplicationforbiomassdissolution AT youmingli basicitycharacterizationofimidazolylionicliquidsandtheirapplicationforbiomassdissolution AT yihou basicitycharacterizationofimidazolylionicliquidsandtheirapplicationforbiomassdissolution |