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Title:
CATECHOL-DEGRADING ENZYME AND METHOD FOR DEGRADING CATECHOL IN WASTEWATER
Document Type and Number:
Japanese Patent JP2008301719
Kind Code:
A
Abstract:

To make it possible to isolate catechol-degrading enzymes degrading the catechol even in an ammoniacal liquor of a special composition discharged from a coke oven from activated sludge of the ammoniacal liquor and utilize the catechol-degrading enzymes and to further provide a method for treating wastewater using the catechol-degrading enzymes.

The catechol-degrading enzymes are encoded with a DNA having a specific base sequence. The method for degrading the catechol in the wastewater comprises mixing at least one or some of the catechol-degrading enzymes and the wastewater containing the catechol and degrading the catechol in the wastewater.


Inventors:
SUENAGA HIKARI
MIYAZAKI KENTARO
NAKAMURA KAZUNORI
ITO KIMIO
Application Number:
JP2007149529A
Publication Date:
December 18, 2008
Filing Date:
June 05, 2007
Export Citation:
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Assignee:
NIPPON STEEL CORP
NAT INST OF ADV IND & TECHNOL
International Classes:
C12N9/02; C02F1/00; C02F3/00; C02F3/34; C12N15/09
Domestic Patent References:
JPH09253665A1997-09-30
JPH0767619A1995-03-14
Foreign References:
US6080915A2000-06-27
US6548292B12003-04-15
US20050106702A12005-05-19
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Ryotaro Takei