Alcohol from bananas

Hammond, John B. W.; Egg, Richard P.; Diggins, Drew; Coble, C. G.

doi:10.1016/0960-8524(95)00177-8

Cited by 79 publications

(42 citation statements)

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“…Sin embargo, una alternativa no estudiada a fondo en su momento fue la conversión de carbohidratos a través de una hidrólisis enzimática endógena inducida, y más aún si se consideran los costos actuales del petróleo (Augura y Fábrica de Licores de Antioquia, 1990). En un trabajo realizado en la Universidad de Texas A&M, se estudiaron el potencial de los bananos de rechazo para la producción de etanol en diferentes estados de maduración, obteniendo para banano verde 0.090, maduro 0.082, sobre madurado 0.069 L etanol/Kg de toda la fruta (Hammond et al, 1996) Posteriores esfuerzos se han realizado en todos los frentes de investigación y muchas de estas experiencias se encuentran debidamente documentadas en la revisión bibliográfica: "El banano verde de Rechazo en la Producción de Alcohol Carburante" (Afanador, 2005), en donde se abordan aspectos tales como, la disponibilidad del material, tipos de hidrólisis, fermentaciones con diferentes tipos de microorganismos, separación y deshidratación del etanol (Beckley et al, 2005). También se efectuó un análisis energético y exergético para evaluar el proceso de obtención de etanol a partir de banano; analizando el cultivo y transporte del material, hidrólisis del banano, fermentación de los azúcares, destilación del etanol y planta de utilidades.…”

Section: Introduccionunclassified

Obtención de Etanol y Biogás a Partir de Banano de Rechazo

et al. 2012

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* Autor a quien debe ser dirigida la correspondencia.Recibido Ago. 25, 2011; Aceptado Oct. 12, 2011; Versión Final recibida Nov. 03, 2011 Resumen Se desarrolló un proceso fermentativo mediante hidrólisis endógena inducida para producir etanol a partir de banano verde no apto para exportación. El potencial de las vinazas también fue evaluado para obtener biogás. A escala de 1 litro se comparó la hidrólisis endógena inducida con la hidrólisis exógena usando enzimas comerciales, y la hidrólisis ácida tomando como punto de referencia el etanol producido en la fermentación. Con la hidrólisis endógena se obtuvo los mayores rendimientos y con esta metodología se realizaron fermentaciones a 15 litros Los rendimientos de etanol en promedio fueron 0.065 litros por kilogramo de banano verde y los del biogás fueron 2.24 litros por litro de vinaza. El proceso propuesto presenta rendimientos comparables con los de la fermentación de caña de azúcar. Además presenta ventajas, tales como su bajo costo, fácil operación y por ser una alternativa de solución ambientalmente compatible en el área del manejo de residuos de cosecha. Palabras clave: hidrólisis enzimática; banano de rechazo, etanol, biogás, fermentación Biogas and Bioethanol Production from Non-Exportable Low Quality Banana AbstractIn this study was developed a fermentative process to produce ethanol from green banana non optimal for exportation through one induced endogenous hydrolysis. The potential of the stillage to produce biogas was also evaluated. It was compared the induced endogenous hydrolysis, with the exogenous hydrolysis that uses commercial enzymes and the traditional acid hydrolysis done all of them in a final volume of 1 liter, the reference point was the ethanol produced in the fermentation process. The maximum performance was obtained with the endogenous hydrolysis and with these methodology fermentations at 15 liter as done. The average of ethanol produced was 0.065 liters from one kilogram of green banana and the biogas production was 2.24 liter per liter of stillage. The proposed process shows performance comparable with that obtained by sugar cane fermentation. Also the methodology demonstrated several advantages, such as low cost, simple to operate, and because it constitutes a good alternative, which is environmentally compatible in the area of management of crop residues.

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Section: Introduccionunclassified

Obtención de Etanol y Biogás a Partir de Banano de Rechazo

et al. 2012

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“…Subsequently, if batch fermented, this has been shown to yield 0.07 litres of ethanol per kg of ripened banana feedstock without the use of hydrolyzing enzy mes [7]. This compares favourably with sugar cane ethanol which yields 0.0726 litres per kg of sugar cane [1].…”

Section: Introductionmentioning

confidence: 99%

“…The expected vinasse flow rate is 378 kg/h with a COD content of 53,700 mg/l with no sulphur content [7]. The vinasse will be anaerobically digested (AD) [22] in a stirred tank reactor (STR) with working volume of 192 m 3 and the biogas produced will fuel a 16 kW generator.…”

Section: Electricity Productionmentioning

confidence: 99%

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Optimizing the Use of <i>Musa spp.</i> Waste in the Design of an Ethanol Production Plant

Aldonza¹,

Blanchard²

2012

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There is much in the scientific literature regarding the energy value of bioethanol, whether it is sustainable as a transition fuel and what impacts the production could have on food resource availability. This paper addresses these issues through the development of an energy self-sufficient ethanol plant. The plant utilizes waste Musa spp (banana) as the feed stock thereby making no additional demands food production. Solar energy and bioenergy provide thermal and electrical inputs to the process. The energy return on investment for this plant was calculated and a financial model drawn up to determine the economic feasibility of the plant. In one scenario, the operational cost of ethanol production is £0.39/litre with a profit before tax of £44,000 per year for a 460,000 lit re facility. This scenario results in a maximu m selling price for ethanol of £0.45/ litre at an IRR of 11% for a 15 year operation which is comparable to current petrol prices. Furthermore, the process used is very simp le and appropriate for s mall developing countries. The study focuses on the island of St. Lucia which is a banana producing state in the West Indies and concludes that establishment of an ethanol plant is possible with the right financial support with the benefit of reducing imports of petroleu m products, improving the balance of payments and creating emp loyment.

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“…In this regard, numerous attempts to produce bio-ethanol from biomasses such as rice hulls (Dagnino, Chamorro, Romano, Felissia, & Area, 2013), sugar cane leaves (Hari Krishna, Prasanthi, Chowdary, & Ayyanna, 1998), banana (Hammond, Egg, Diggins, & Coble, 1996), baggase (Martıń et al, 2002), micro-algea (Amin, 2009), sea weed extract (Horn, Aasen, & Østgaard, 2000) industrial waste (Kádár, Szengyel, & Réczey, 2004), corn stover (Kazi et al, 2010), barly straw (Han, Kang, Kim, & Choi, 2013), wood bark, forest residues and switch grass (Hu et al, 2008) agriculture residue (Demirbas, 2009) Instead of many advantages of production of bioethanol from biomass there are few limitations as well. The bioethanol production from feed stocks is not suitable as it affects the food reserves.…”

Section: Raw Materials For Bioethanol Productionmentioning

confidence: 99%

Bioethanol Production from Biomass

Shah¹,

Rehan²

2014

JCB

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Enormous amount of biomass is depositing each day in the environment. The agriculture countries can make use of such resources for various useful purposes. Bioethanol is one of the important commodities which can be produced by using biomass. Bioethanol can be considered as future fuel which has the potential to replace fossil fuels. The selection of raw material, pretreatment process, saccharification and proper selection of yeast and bacteria strains are considered as the key steps in bioethanol production from biomass. Bioethanol is in fact a cheap source of energy and can help in clean environment management. However in few cases consideration are needed to overcome the anomalies of using some specific biomass resources which can affect our food reserves. A brief survey of the various important aspects involved in bioethanol production is done in this review to grasp the basic concept of bioethanol production from biomass.

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Alcohol from bananas

Cited by 79 publications

References 1 publication

Obtención de Etanol y Biogás a Partir de Banano de Rechazo

Obtención de Etanol y Biogás a Partir de Banano de Rechazo

Optimizing the Use of <i>Musa spp.</i> Waste in the Design of an Ethanol Production Plant

Bioethanol Production from Biomass

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