期刊
BIORESOURCE TECHNOLOGY
卷 331, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.125048
关键词
Shrub landscaping waste; Photo-fermentation; Bio-hydrogen production; Process optimization
资金
- National Natural Science Foundation of China [52076068]
- National Key RAMP
- D Program of China [2018YFE0206600]
The study found that Buxus megistophylla is the most suitable substrate for photo-fermentation bio-hydrogen production, and that the initial pH value, temperature, and substrate concentration also have a significant influence on hydrogen production process.
Shrub landscaping waste, derived from afforestation of city, has increased annually, making it a promising feedstock for energy production. In this work, the photo-fermentation bio-hydrogen production potential from shrub landscaping waste was evaluated. Eight kinds of shrub landscaping wastes (Photinia fraseri, Buxus megistophylla, Buxus sinica, Pittosporum tobira, Sabina Chinensis, Berberis thunbergii, Ligustrum vicaryi and Ligustrum quihoui) were selected as substrate and the photo-fermentation bio-hydrogen production process of which was optimized. Buxus megistophylla was found to be the most suitable substrate for photo-fermentation bio-hydrogen production. Moreover, the initial pH value, temperature and substrate concentration had significant influence on photo-fermentation bio-hydrogen production. The maximum cumulated hydrogen yield of Buxus megistophylla was 73.82 ? 0.06 mL/g TS under the optimal conditions of light intensity of 3000 Lux, substrate mass concentration of 21.49 g/L, temperature of 29.78 ?C, inoculant amount of 25% and initial pH value of 6.78.
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