Using an expended granular sludge bed reactor for advanced anaerobic digestion of food waste pretreated with enzyme: The feasibility and its performance

Sitong Zhang, Lianpei Zou, Yulan Wan, Min Ye, Jiongjiong Ye, Yu You Li, Jianyong Liu

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The high content of solid organics in food waste (FW) results in a low and unstable anaerobic digestion (AD) efficiency. Improving methane production rate and process stability is attracting much attention towards advanced AD of FW. The feasibility of advanced AD of FW pretreated with enzyme was investigated by batch experiments and 164 days running of an expanded granular sludge bed (EGSB) reactor. Simulation study based on the results of batch experiments indicates it is possible to treat enzymatically pretreated FW using an EGSB reactor. During the running of an EGSB reactor, the organic loading rate went up to 20 g chemical oxygen demand (COD)/L.d, and the total COD removal rate reached 88%. The significance of this study is to achieve an advanced AD of enzymatically pretreated FW with a stable and efficient methane production with biogas residue being reduced greatly.

本文言語English
論文番号123504
ジャーナルBioresource Technology
311
DOI
出版ステータスPublished - 2020 9

ASJC Scopus subject areas

  • バイオエンジニアリング
  • 環境工学
  • 再生可能エネルギー、持続可能性、環境
  • 廃棄物管理と処理

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