Development of activated sludge adapted to high concentrations of phenol and enhancement of its phenol removal ability by addition of a processed lignite

Takashi Ohtsuki; Kazuki Sakurai; Satoko Noda; Joji Ichihara; Takahito Masuda; Sadaharu Ui

doi:10.17485/ijst/2009/v2i10.1

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Development of activated sludge adapted to high concentrations of phenol and enhancement of its phenol removal ability by addition of a processed lignite

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2009/v2i10.1

Year: 2009, Volume: 2, Issue: 10, Pages: 1-4

Original Article

Development of activated sludge adapted to high concentrations of phenol and enhancement of its phenol removal ability by addition of a processed lignite

Takashi Ohtsuki¹ , Kazuki Sakurai¹ , Satoko Noda¹ , Joji Ichihara² , Takahito Masuda³ , Sadaharu Ui¹

¹Dept. of Biotechnol., Faculty of Engg., Univ. of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan
²Denka Consultant & Engineering Co. Ltd., 3-14-4 Hatchobori, Chuo-ku, Tokyo 104-0032, Japan
³Denki Kagaku Kogyo Co. Ltd., Nihonbashi Mitsui Tower, 2-1-1 Nihonbashi-Muromachi, Chuo-ku, Tokyo 103-8338, Japan

*Author for the correspondence:
Sadaharu Ui
Dept. of Biotechnol., Faculty of Engg., Univ. of Yamanashi, 4-3-11 Takeda,
Kofu, Yamanashi 400-8511, Japan
E-mail:[email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

In this study, we successfully developed activated sludge (AS) adapted to a very high concentration (3 g/L) of phenol. A careful stepwiseadaptation process was considered important in the development of this AS. In addition, we found that processed lignite (PL) accelerated the removal of phenol which might lead to change in the dominant members of the microbial community. Phenol is an abundant industrial toxic contaminant in wastewater treatment processes.
Keywords: activated sludge, processed lignite, phenol removal.