Characterization of downflow hanging sponge reactors with regard to structure, process function, and microbial community compositions

Masashi Hatamoto, Tsutomu Okubo, Kengo Kubota, Takashi Yamaguchi

研究成果: Review article査読

20 被引用数 (Scopus)

抄録

The activated sludge (AS) process has been the most widely used process for wastewater treatment despite it has several limitations for its further application and adoption worldwide, owing to unsustainable properties such as high-energy consumption and the production of large amount of excess sludge. To overcome the drawbacks of the AS process, the downflow hanging sponge (DHS) has been developed as an energy-saving and easy-to-maintain alternative. To date, six types of different sponge configurations have been developed and their performances have been evaluated in practical- to full-scale DHS reactors. A large number of studies have been carried out in order to enhance the performance and expand the application fields of the DHS. Transition of this process to the deployment and diffusion stage from the research and development phase is now ongoing in India and Egypt as well as in Japan. Under this situation, concise and state-of-the art review is important for enhancing DHS research and future applications. Herein, we summarize and present the DHS concerning the history of development, the mechanism of treatment, recent studies on its use in the field of wastewater treatment, and the features of microbial community structure.

本文言語English
ページ(範囲)10345-10352
ページ数8
ジャーナルApplied Microbiology and Biotechnology
102
24
DOI
出版ステータスPublished - 2018 12 1

ASJC Scopus subject areas

  • バイオテクノロジー
  • 応用微生物学とバイオテクノロジー

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