Biodiesel production from Pichia Kudriavzevii using Algae Kappaphycus Alvarezii as a fermentation substrate

1st International Conference on Environmental Geography and Geography Education

生态环境科学;地球科学

Sulfahri^1 ; Nurfadillah^1 ; Taufan, W.L.^1 ; Aska, M.S.^1

Departement of Biologi, Faculty of Mathematics and Natural Sciences, Hasanuddin University, Makassar, Indonesia^1

关键词: Alternative raw material;    Biodiesel production;    Fermentation substrates;    High potential;    Hydrolysis methods;    Kappaphycus alvarezii;    Sonication method;    Yeast extracts;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/243/1/012095/pdf
DOI  :  10.1088/1755-1315/243/1/012095

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Kappaphycus alvarezii is red algae that can be used as an alternative raw material in biodiesel production, because K. alvarezii c ontains high carbohydrate which is 60%. This study aims to determine the effect of nutrition and fermentation duration of K. alvarezii algae to hydrolysis results on cell's biomass. This study used the enzymatic hydrolysis method, fermentation method and sonication method. In this study, hydrolysis method was conducted by using 150 KNU/L of α-amylase enzyme with 0.5%, 1%, 1.5% and 2% of algae concentration. K. alvarezii algae is fermented by yeast Phicia kudriavzevii. This study, fermentation method used was Gandasil-D® as an inorganic nutrition and Yeast Extract as an organic nutrition. The result of this research shows that P. kudriavzevii biomass can produced biodiesel by carbon source from K. alvarezii algae on 48th hours. The dominant types of fatty acids are oleic acid which is 39.33%.The result shows that it has high potential to be used as biodiesel raw material.