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
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} }
Refworks Citation Data :
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 12nd 2015; Received in revised form January 25th 2016; Accepted January 29th 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
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