Performance of continuous stirred tank reactor (CSTR) on fermentative biohydrogen production from melon waste

2nd International Conference on Chemical Engineering (ICCE) UNPAR

Cahyari, K.^1,2 ; Sarto^1 ; Syamsiah, S.^1 ; Prasetya, A.^1

Dept. Chemical Engineering, Faculty of Engineering, Gadjah Mada University, Yogyakarta, Indonesia^1

Dept. Chemical Engineering, Faculty of Industrial Technology, Islamic University of Indonesia, Indonesia^2

关键词: Continuous stirred tank reactor;    Dark fermentation;    Fermentative biohydrogen production;    Industrial processing;    Optimum conditions;    Organic loading rates;    Processing stage;    Renewable energy source;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/162/1/012013/pdf
DOI  :  10.1088/1757-899X/162/1/012013

来源: IOP

【 摘 要 】

This research was meant to investigate performance of continuous stirred tank reactor (CSTR) as bioreactor for producing biohydrogen from melon waste through dark fermentation method. Melon waste are commonly generated from agricultural processing stages i.e. cultivation, post-harvesting, industrial processing, and transportation. It accounted for more than 50% of total harvested fruit. Feedstock of melon waste was fed regularly to CSTR according to organic loading rate at value 1.2 - 3.6 g VS/ (l.d). Optimum condition was achieved at OLR 2.4 g VS/ (l.d) with the highest total gas volume 196 ml STP. Implication of higher OLR value is reduction of total gas volume due to accumulation of acids (pH 4.0), and lower substrate volatile solid removal. In summary, application of this method might valorize melon waste and generates renewable energy sources.