Bioethanol Production from Iles-Iles (Amorphopallus campanulatus) Flour by Fermentation using Zymomonas mobilis

Kusmiyati Kusmiyati; H Hadiyanto; Indah Kusumadewi

doi:10.14710/ijred.5.1.9-14

DOI: https://doi.org/10.14710/ijred.5.1.9-14

Bioethanol Production from Iles-Iles (Amorphopallus campanulatus) Flour by Fermentation using Zymomonas mobilis

Kusmiyati Kusmiyati¹ , H Hadiyanto², Indah Kusumadewi¹

¹Renewable Energy Research Centre (Pusat Studi Energi Alternatif), Chemical Engineering Department, Faculty of Engineering, Universitas Muhamadiyah Surakarta, Jl. A. Yani Tromol Pos 1 Pabelan Kartasura,, Indonesia

²Chemical Engineering Department, Diponegoro University, Jl. Prof. Soedarto, SH-Tembalang Semarang 50275, Indonesia

Published: 15 Feb 2016.

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BibTex Citation Data :

@article{IJRED10113,
    author = {Kusmiyati Kusmiyati and H Hadiyanto and Indah Kusumadewi},
    title = {Bioethanol Production from Iles-Iles (Amorphopallus campanulatus) Flour by Fermentation using Zymomonas mobilis},
    journal = {International Journal of Renewable Energy Development},
  volume = {5},
    number = {1},
    year = {2016},
    keywords = {alternative energy, bioethanol, ACT tuber, conventional, Zymomonas mobilis},
    abstract = { Due to the depletion of fossil oil sources, Indonesia attempts to search new source of bioenergy including bioethanol. One of this sources is Iles-iles tubers ( Amorphophallus campanulatus ), which is abundantly available in Java Indonesia. The carbohydrate content in Iles-Iles tuber flour was 77% and it can be converted to ethanol by three consecutive steps methods consist of liquefaction-saccharification using α and β-amylase, respectively and then followed by fermentation by using  Z. mobilis . The objective of this research was to convert the Iles-iles flour to bioethanol by fermentation process with  Z.mobilis . The ethanol production process was studied at various starch concentration 15-30% g/L,  Z. mobilis  concentration (10-40%) and pH fermentation of (4-6). The result showed that the yield of bioethanol (10.33%) was the highest at 25% starch concentration and 25% of  Z.mobilis  concentration. The optimum conditions was found at 4.5, 30°C, 10%, 120 h for pH, temperature,  Z. mobilis  concentration and fermentation time, respectively  at which  ACT tuber flour produced a maximum ethanol of 10.33 % v/v.   Article History : Received November 12 nd  2015; Received in revised form January 25 th  2016; Accepted January 29 th  2016; Available online    How to Cite This Article : Kusmiyati , Hadiyanto,H  and Kusumadewi, I (2016). Bioethanol Production from Iles-Iles ( Amorphopallus campanulatus ) Flour by Fermentation using  Zymomonas mobilis . Int. Journal of Renewable Energy Development, 9(1), 9-14  http://dx.doi.org/10.14710/ijred.5.1.9-14   },
   pages = {9--14}  doi = {10.14710/ijred.5.1.9-14},
    url = {https://ejournal.undip.ac.id/index.php/ijred/article/view/10113}
}

Citation Format:

Abstract

Due to the depletion of fossil oil sources, Indonesia attempts to search new source of bioenergy including bioethanol. One of this sources is Iles-iles tubers (Amorphophallus campanulatus), which is abundantly available in Java Indonesia. The carbohydrate content in Iles-Iles tuber flour was 77% and it can be converted to ethanol by three consecutive steps methods consist of liquefaction-saccharification using α and β-amylase, respectively and then followed by fermentation by using Z. mobilis. The objective of this research was to convert the Iles-iles flour to bioethanol by fermentation process with Z.mobilis. The ethanol production process was studied at various starch concentration 15-30% g/L, Z. mobilis concentration (10-40%) and pH fermentation of (4-6). The result showed that the yield of bioethanol (10.33%) was the highest at 25% starch concentration and 25% of Z.mobilis concentration. The optimum conditions was found at 4.5, 30°C, 10%, 120 h for pH, temperature, Z. mobilis concentration and fermentation time, respectively at which ACT tuber flour produced a maximum ethanol of 10.33 % v/v.

Article History: Received November 12^nd2015; Received in revised form January 25^th 2016; Accepted January 29^th 2016; Available online

How to Cite This Article: Kusmiyati , Hadiyanto,H and Kusumadewi, I (2016). Bioethanol Production from Iles-Iles (Amorphopallus campanulatus) Flour by Fermentation using Zymomonas mobilis. Int. Journal of Renewable Energy Development, 9(1), 9-14

http://dx.doi.org/10.14710/ijred.5.1.9-14

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Keywords: alternative energy, bioethanol, ACT tuber, conventional, Zymomonas mobilis

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Section: Original Research Article

Language : EN

In Vol 5, No 1 (2016): February 2016

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Bioethanol Production from Iles-Iles (Amorphopallus campanulatus) Flour by Fermentation using Zymomonas mobilis

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