| dc.creator | Laverde, Jennifer | |
| dc.creator | Pino, Natalia | |
| dc.creator | Escobar, Andrey | |
| dc.creator | Peñuela, Mariana | |
| dc.creator | Gallego, Jaime | |
| dc.creator | Titirici, Magdalena | |
| dc.creator | López, Diana | |
| dc.date | 2019-12-19 | |
| dc.date.accessioned | 2025-03-13T22:29:47Z | |
| dc.date.available | 2025-03-13T22:29:47Z | |
| dc.identifier | https://publicaciones.fedepalma.org/index.php/palmas/article/view/13092 | |
| dc.identifier.uri | https://repositorio.fedepalma.org/handle/123456789/145419 | |
| dc.description | In Colombia there is a high availability of biomass residues, a recent study estimates that around 72 million tons/year of agroindustrial waste are generated. The process of extracting African palm oil generates a large amount of waste, it is estimated that processing 1M ton/year of palm oil produces the same amount of empty fruit bunches (EFB), which has a high hemicellulosic content. This huge amount of residual biomass needs an alternative use to add value to the oil palm agroindustry. The re- sidues of palm oil, specifically the EFB, have a considerable content of holocellulose, which are poten- tial sources to produce value-added products such as chemicals or fuel precursors that are currently obtained from the refining of petroleum.
With this in mind, this research has evaluated different ways to convert the EFB into valuable pro- ducts, such as bioethanol, lactic acid, biocarbon nanotubes, furfural and electrodes for supercapaci- tors. Bioethanol and lactic acid, excellent candidates as liquid and chemical fuel, were co-produced from the hydrolysis and fermentation of the EFB, obtaining yields of 302 L / ton of dry matter and
140 L / ton of dry matter, respectively. In addition, the bioethanol was used as a carbon source for the production of biocarbon nanotubes by chemical vapor deposition, using a fluidized bed reactor and an iron ore as a catalyst. The multiwall carbon nanotubes have special properties that make them a very innovative material for applications in nanotechnology.
In another interesting route, the EFB was converted to furfural by acid hydrolysis, obtaining a maximum yield of 25% with respect to the initial weight of the dry biomass. Furfural is a platform molecule for the production of value-added chemicals such as cyclopentanol, furfuryl alcohol, cy- clopentanone, furan and fuel precursors such as 2-methylfuran. Finally, to complete our biorefinery concept, the electrodes for supercapacitors were synthesized by hydrothermal carbonization of the EFB at 800 ° C, followed by activation with molten salts and KNO3, obtaining a carbonaceous material with high surface area and a size distribution of micropore-mesopores. This material also presented a high specific capacitance and a high charge-discharge rate, which make this electrode a potential device for energy storage.
| en-US |
| dc.description | En Colombia existe una gran disponibilidad de residuos agroindustriales. Un estudio reciente es- tima que se generan alrededor de 72 millones de t/año. En el proceso de extracción del aceite de palma, se calcula que procesar 1M t/año produce igual porción de tusa, con un alto contenido hemicelulósico (Fedepalma, 2017), como también de holocelulosa, fuente potencial para producir productos de valor agregado como son químicos o precursores de combustible, que se obtienen actualmente del refinamiento del petróleo. Esta enorme cantidad de biomasa residual necesita de un uso alternativo para agregar valor a la agroindustria de la palma de aceite.
Esta investigación ha evaluado diferentes vías para convertir la tusa en productos valiosos, como bioetanol, ácido láctico, nanotubos de biocarbono, furfural y electrodos para supercapacitores. El bioetanol y el ácido láctico, excelentes candidatos como combustible líquido y químico, se coprodujeron a partir de la hidrólisis y la fermentación de la tusa, obteniendo rendimientos de 302 L/tone- lada de tusa seca y 140 L/tonelada de tusa seca, respectivamente. Además, el bioetanol se usó como fuente de carbono para la producción de nanotubos de biocarbono mediante deposición química de vapor, empleando un reactor de lecho fluidizado y un mineral de hierro como catalizador. Los nanotubos de carbono multipared poseen propiedades especiales que los hacen un material muy innovador para las aplicaciones en la nanotecnología.
En otra vía interesante, la tusa se convirtió en furfural mediante hidrólisis ácida, logrando un ren- dimiento máximo del 25 % con respecto al peso inicial de la biomasa seca. El furfural es una molé- cula plataforma para la producción de sustancias químicas de valor agregado como: ciclopentanol, alcohol furfurílico, ciclopentanona, furano y de precursores de combustible como el 2-metilfurano. Finalmente, para completar nuestro concepto de biorrefinería, los electrodos para supercapacitores se sintetizaron mediante la carbonización hidrotermal de la tusa a 800 °C, seguido de la activación con sales fundidas y KNO3, obteniéndose un material carbonoso con alta área superficial y una dis- tribución de tamaño de microporomesoporo. Este material también presentó una alta capacitancia específica y una alta velocidad de carga-descarga, lo que lo convierte en un potencial dispositivo para almacenamiento de energía.
| es-ES |
| dc.format | application/pdf | |
| dc.language | spa | |
| dc.publisher | Fedepalma | es-ES |
| dc.relation | https://publicaciones.fedepalma.org/index.php/palmas/article/view/13092/12906 | |
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| dc.source | Palmas; Vol. 40 Núm. Especial T (2019); 119-128 | es-ES |
| dc.source | 2744-8266 | |
| dc.subject | EFB | en-US |
| dc.subject | ethanol | en-US |
| dc.subject | lactic acid | en-US |
| dc.subject | furfural | en-US |
| dc.subject | , carbon nanotubes | en-US |
| dc.subject | supercapacitors | en-US |
| dc.subject | tusa | es-ES |
| dc.subject | etanol | es-ES |
| dc.subject | ácido láctico | es-ES |
| dc.subject | furfural | es-ES |
| dc.subject | nanotubos de carbono | es-ES |
| dc.subject | supercapacitores | es-ES |
| dc.title | High Valuable-Added Products from Oil Palm Empty Fruit Bunches | en-US |
| dc.title | Productos de alto valor agregado a partir de la tusa de palma de aceite | es-ES |
| dc.type | info:eu-repo/semantics/article | |
| dc.type | info:eu-repo/semantics/publishedVersion | |
