Title:
炭化水素もしくは含酸素化合物の製造プラント廃水の処理方法
Document Type and Number:
Japanese Patent JP4420930
Kind Code:
B2
Abstract:
A method for treating a formaldehyde-containing waste liquid, which is formed as a byproduct in a plant for the production of hydrocarbons or oxygen-containing compounds, containing the steps of: subjecting formaldehyde in the liquid to chemical treatment; and treating the resulting waste liquid, while being aerated, by using a membrane bioreactor that is composed of a microorganism or enzyme and a separation membrane.
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Inventors:
Hiroaki Ikebe
Masayuki Uchida
Another role
Masayuki Uchida
Another role
Application Number:
JP2006543272A
Publication Date:
February 24, 2010
Filing Date:
October 21, 2005
Export Citation:
Assignee:
Toyo Engineering Corporation
Fresh Water Promotion Center
Fresh Water Promotion Center
International Classes:
C02F3/06; B01D61/02; C02F1/00; C02F1/50; C02F1/68; C02F1/72; C02F3/12; C02F9/00
Domestic Patent References:
| JP53144149A | ||||
| JP51145168A | ||||
| JP200324991A | ||||
| JP2003136087A |
Attorney, Agent or Firm:
Toshizo Iida
Wataru Sasaki
Naosuke Miyamae
Wataru Sasaki
Naosuke Miyamae