Effects of Nickel Ions on Anaerobic Co-Digestion of Cow Dung and Phragmites australis

Abstract:

The effect of nickel ions on the anaerobic digestion of phragmites australis and cow dung were investigated in batch experiments. Five levels of nickel ions were set as 0, 0.2, 0.8, 1.4 and 2.0 mg Ni/L. The results indicated that anaerobic digestion started on about 3^rd day 26 days of anaerobic digestion, the highest cumulative biogas was 32.70 mL/g·TS^-1 when nickel concentration was 0.8 mg Ni/L. The nickel ions in certain concentration range significantly affected biogas production rate, and effectively shorten reactor startup period. Biogas which was produced from phragmites combined with cow dung provided a new insight for bioenergy production whose process can be promoted by nickel ions addition.

• Periodical: Advanced Materials Research (Volumes 805-806)
• Pages: 219-222
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.805-806.219
• Online since: September 2013
• Authors: Li Jun Wang, Hua Yong Zhang, Yong Lan Tian, Fang Juan Zhang
• Keywords: Anaerobic Digestion, Bioenergy, Biogas, Nickel Ions, Phragmites australis

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