Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD AND APPARATUS FOR TREATING WASTE WATER
Document Type and Number:
Japanese Patent JP2006289343
Kind Code:
A
Abstract:

To provide a method and an apparatus for treating waste water by which water to be treated and malodorous gas are efficiently treated and the initial cost and the running cost are reduced.

In the apparatus and the method of treating waste water, the waste water containing amino ethanol and dimethyl sulfoxide is introduced into a denitrification vessel 1 provided in a 1st waste water treating apparatus 28, the malodorous gas produced in the 1st waste water treating apparatus 28 is decomposed in a 2nd waste water treating apparatus 29 of a separated line carrying out a separated waste water treatment, the 2nd waste water treating apparatus 29 for decomposing the malodorous gas has a 2nd nitrification vessel 20 having a semi-anaerobic part 25 and the malodorous gas introduced into a scrubber 11 from the 1st waste water treating apparatus 28 is treated with sludge circulated between the 2nd nitrification vessel 20 and the scrubber 11.


Inventors:
YAMAZAKI KAZUYUKI
SAKATA KAZUYUKI
Application Number:
JP2005000366696
Publication Date:
October 26, 2006
Filing Date:
December 20, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KK
International Classes:
C02F3/34; B01D53/38; B01D53/48; B01D53/72; B01D53/77; C02F3/10; C02F3/30
Domestic Patent References:
JP2769973B21998-06-25
JP3331623B22002-10-07
JP2002177978A2002-06-25
JP2003299935A2003-10-21
JP2005334780A2005-12-08
JPH0899092A1996-04-16
JPH09314177A1997-12-09
JP2002136992A2002-05-14
JP2006272317A2006-10-12
JP2006289344A2006-10-26
JP2006231184A2006-09-07
JP3893402B22007-03-14
JP4212588B22009-01-21
JPH0970599A1997-03-18
JP2000279970A2000-10-10
JPH0691289A1994-04-05
Attorney, Agent or Firm:
Hiroshi Yamazaki
Atsushi Maeda