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| DOI | 10.1590/2179-8087-FLORAM-2020-0048 | ||||
| Año | 2021 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Eucalyptus globulus is the second most important economic forest species in Chile. Its main use is in the kraft pulp industry, where large amounts of bark waste are generated. Due to its fibrous characteristics, E. globulus bark is proposed as an alternative source of fibres for papermaking. This study focuses on obtaining fibres for liner paper manufacture. A neutral sulphite semi-chemical (NSSC) process was performed, varying the sodium sulphite (5% to 16%) and the sodium carbonate (2% and 4%) concentrations using two reaction temperatures (160 degrees C and 170 degrees C). The NSSC process at 170 degrees C, 16% of sulphite, and 2% of sodium carbonate proved to be the best condition to obtain higher mechanical performance of papers. As the pulping conditions become more drastic, the yield drops, and the physicomechanical properties of paper increases. Results showed that pulps from E. globulus bark could turn into source of fibres for papermaking and other related products.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Andrade, Andrea | Mujer |
Universidad de Concepción - Chile
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| 2 | Herrera, Orlando Espinoza | Hombre |
Universidad de Concepción - Chile
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| 3 | REYES-LOBAO TELLO, PABLO RICARDO | Hombre |
Ctr Excelencia Nanotecnol CEN - Chile
Leitat Chile - Chile Centro de Excelencia en Nanotecnología (CEN) Chile - Chile Fundación Leitat Chile - Chile |
| 4 | PEREIRA-SOTO, MIGUEL ANGEL | Hombre |
Universidad de Concepción - Chile
Ctr Excelencia Nanotecnol CEN - Chile Centro de Excelencia en Nanotecnología (CEN) Chile - Chile |
| 5 | Vasquez-Garay, Francisco | Hombre |
Ctr Excelencia Nanotecnol CEN - Chile
Leitat Chile - Chile Centro de Excelencia en Nanotecnología (CEN) Chile - Chile Fundación Leitat Chile - Chile |
| Fuente |
|---|
| Corporación de Fomento de la Producción |
| Innovation Fund for Competitiveness of the Chilean Economic Development Agency (CORFO) |
| Innovation Fund for Competitiveness of the Chilean Economic Development Agency |
| ANID |
| National Agency for Research and Development |
| Agradecimiento |
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| This research was conducted with the support provided by the Innovation Fund for Competitiveness of the Chilean Economic Development Agency (CORFO) under Grant no. 13CEI2-21839. A. Andrade thanks to National Agency for Research and Development (ANID)/Scholarship program (Doctoral grant No 220-21202153). |
| This research was conducted with the support provided by the Innovation Fund for Competitiveness of the Chilean Economic Development Agency (CORFO) under Grant no. 13CEI2-21839. A. Andrade thanks to National Agency for Research and Development (ANID)/Scholarship program (Doctoral grant No 220-21202153). |