Strain for decomposing TMAH, and method of wastewater treatment using the same

The present invention relates to novel microorganism strains decomposing tetramethyl ammonium hydroxide; TMAH) and wastewater treatment method by applying the above strains. The present invention describes a wastewater treatment method by a microorganism decomposing Tetramethyl Ammonium Hydroxide (T...

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Main Authors Lee, Daesang, Lee, Mi-Kyoung, Kang, Key-Jung, Shin, Chul-Soo, Yun, Jeong-Hwan, Yum, Do-Young, Lee, Jung-Ki, Park, Kee-Don, Choi, Ho-Joon, Koo, Bon-Tag
Format Patent
LanguageEnglish
Published 03.08.2004
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Abstract The present invention relates to novel microorganism strains decomposing tetramethyl ammonium hydroxide; TMAH) and wastewater treatment method by applying the above strains. The present invention describes a wastewater treatment method by a microorganism decomposing Tetramethyl Ammonium Hydroxide (TMAH) which, utilized in etching the surface of silicone chip in semiconductor manufacturing process, is toxic and hard to decompose. The present invention provides novel microorganisms capable of decomposing TMAH. Also, the present invention provides a treatment method for wastewater containing TMAH, using the microorganisms. The present invention is useful in industrial field as an environmental friendly wastewater treatment method by decomposing over 90% of TMAH, one of environmental contamination materials in the wastewater of semiconductor factory.
AbstractList The present invention relates to novel microorganism strains decomposing tetramethyl ammonium hydroxide; TMAH) and wastewater treatment method by applying the above strains. The present invention describes a wastewater treatment method by a microorganism decomposing Tetramethyl Ammonium Hydroxide (TMAH) which, utilized in etching the surface of silicone chip in semiconductor manufacturing process, is toxic and hard to decompose. The present invention provides novel microorganisms capable of decomposing TMAH. Also, the present invention provides a treatment method for wastewater containing TMAH, using the microorganisms. The present invention is useful in industrial field as an environmental friendly wastewater treatment method by decomposing over 90% of TMAH, one of environmental contamination materials in the wastewater of semiconductor factory.
Author Lee, Mi-Kyoung
Koo, Bon-Tag
Lee, Daesang
Park, Kee-Don
Shin, Chul-Soo
Yun, Jeong-Hwan
Yum, Do-Young
Choi, Ho-Joon
Lee, Jung-Ki
Kang, Key-Jung
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  fullname: Koo, Bon-Tag
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References Aamot (5532162) 19960700
Yamasaki et al. (5702604) 19971200
Yamasaki et al. (5868934) 19990200
Yamasaki et al. (6056876) 20000500
Yamasaki et al. (5423988) 19950600
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Title Strain for decomposing TMAH, and method of wastewater treatment using the same
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