| dc.creator | Guajardo, Daniela | |
| dc.creator | Valdebenito Escobar, Fabiola Alejandra | |
| dc.creator | Díaz, Juan | |
| dc.creator | Cifuentes, Gerald | |
| dc.creator | Azócar Ulloa, Laura | |
| dc.date | 2021-12-27T22:19:42Z | |
| dc.date | 2021-12-27T22:19:42Z | |
| dc.date | 2021-10-15 | |
| dc.date.accessioned | 2022-10-18T12:08:37Z | |
| dc.date.available | 2022-10-18T12:08:37Z | |
| dc.identifier | Fuel, Volume 302, 15 October 2021, 120963 | |
| dc.identifier | 0016-2361 | |
| dc.identifier | http://repositoriodigital.ucsc.cl/handle/25022009/2567 | |
| dc.identifier | 10.1016/j.fuel.2021.120963 | |
| dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4442162 | |
| dc.description | Artículo de publicación ISI | |
| dc.description | The carbonization of Nannochloropsis gaditana microalgae biomass was found to produce bio-coal that is similar to bituminous coal used in thermal power plants. Currently, microalgae that capture CO2 while they are in the growth stage are considered a source for the production of biofuels. The carbonization of biomass for producing bio-coal has received attention for its ability to improve the biomass quality for producing solid biofuels. The research was focused on optimizing a fixed carbon index (FCindex), which allows finding operational conditions of carbonization to favor the fixed carbon content without significantly affecting the bio-coal yield. The optimization carried out by response surface methodology in a thermogravimetric analyzer allowed the prediction of optimal carbonization conditions to achieve an FCindex of 191% at 403 °C, 71 °C/min, and 60 min of residence time. The bio-coal produced under optimized conditions was characterized by 59% of fixed carbon and 41% of volatiles on a dry and ash-free basis, which is similar to bituminous coal. The promising results of dry carbonization producing bio-coal similar to bituminous coal could promote this technology, avoiding the necessity of hydrothermal carbonization. Because a high ash content was detected in the final product, further studies using the optimized conditions and a washing step should be conducted. | |
| dc.language | en | |
| dc.publisher | Elsevier | |
| dc.source | https://doi.org/10.1016/j.fuel.2021.120963 | |
| dc.subject | Microalgae | |
| dc.subject | Bio-coal | |
| dc.subject | Response surface methodology | |
| dc.subject | Carbonization | |
| dc.title | Carbonization of microalgae for bio-coal production as a solid biofuel similar to bituminous coal | |
| dc.type | Artículos de revistas | |
