The removal of nitrogen using an autotrophic hybrid hollow-fiber membrane biofilm reactor

Jeong Hoon Shin, Byoung-In Sang, Yun Chul Chung, Youn Kyoo Choung

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

A hollow-fiber membrane biofilm reactor (HF-MBfR) treating nitrogen in synthetic wastewater was studied in respect to nitrification and denitrification ability using autotrophic microorganism over a period of 260 days. The hybrid HF-MBfR system consists of a nitrification HF-MBfR and denitrification HF-MBfR. Oxygen and hydrogen were supplied through the lumen of fibers as electron acceptor and donor. In Phase I, two HF-MBfR were operated separately during the period of 149 days. And then, the HF-MBfR were operated by hybrid system that is connected continuously. The hybrid HF-MBfR was operated at hydraulic retention time (HRT) of 4 h, 2 h, and the volumetric NH4+-N loading rate increased from 0.42 to 1 28 kgNH4+-N/ m3d by increasing NH4+-N concentration of influent from 150 to 200 mgN/L. The average total nitrogen removal efficiency was above 98% during the experiment steps and the maximum volumetric total nitrogen removal rate was 1.20 kgN/m3d in the hybrid HF-MBfR system. In this study, the results suggested that this hybrid HF-MBfR system operated effectively for nitrogen removal in an inorganic environment and can be used stably as a high rate nitrogen removal technology.

Original languageEnglish
Pages (from-to)447-454
Number of pages8
JournalDesalination
Volume183
Issue number1-3
DOIs
StatePublished - 2005 Nov 1

Fingerprint

Biofilms
biofilm
Nitrogen
membrane
Membranes
Fibers
nitrogen
Nitrogen removal
Nitrification
Denitrification
nitrification
denitrification
removal
fibre
reactor
Hybrid systems
Microorganisms
Hydrogen
Wastewater
microorganism

Keywords

  • Autotrophic microorganism
  • Denitrification
  • Hollow-fiber membrane
  • Nitrification

Cite this

Shin, Jeong Hoon ; Sang, Byoung-In ; Chung, Yun Chul ; Choung, Youn Kyoo. / The removal of nitrogen using an autotrophic hybrid hollow-fiber membrane biofilm reactor. In: Desalination. 2005 ; Vol. 183, No. 1-3. pp. 447-454.
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The removal of nitrogen using an autotrophic hybrid hollow-fiber membrane biofilm reactor. / Shin, Jeong Hoon; Sang, Byoung-In; Chung, Yun Chul; Choung, Youn Kyoo.

In: Desalination, Vol. 183, No. 1-3, 01.11.2005, p. 447-454.

Research output: Contribution to journalArticle

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