Title:
WASTE WATER TREATMENT USING CARBON-BASED ADSORBENT AND DEIVCE THEREFOR
Document Type and Number:
Japanese Patent JP3142792
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent clogging of a membrane filter caused by a powdery carbon- based adsorbent itself, to prolong the service life of the filter, to reduce frequency of the back-washing, and to enhance recovery efficiency of filtered water, in a treatment of waste water using the powdery carbon-based adsorbent.
SOLUTION: The powdery carbon-based adsorbent selected from the group consisting of powdery active coke, powdery active coal, and powdery brown coal is added to waste water and the water is introduced into the filter 10 provided with the membrane filter having smaller pore size than the particle size of the powdery carbon-based adsorbent, and a precoated film of the powdery carbon-based adsorbent is formed on an upstream side surface of the filter, and a suspension component is removed with the precoated film, then the fine components are removed with the membrane filter.
Inventors:
Hiromasa Kusuda
Hirozo Nagayasu
Masakazu Sawai
Hirozo Nagayasu
Masakazu Sawai
Application Number:
JP8194597A
Publication Date:
March 07, 2001
Filing Date:
March 14, 1997
Export Citation:
Assignee:
Kawasaki Heavy Industries, Ltd.
International Classes:
B01D61/16; B01D53/38; B01D53/81; B01J20/20; C02F1/24; C02F1/28; C02F1/44; C02F1/78; C02F3/12; (IPC1-7): B01D53/38; B01D53/81; B01D61/16; B01J20/20; C02F1/28; C02F1/44; C02F1/78; C02F3/12
Domestic Patent References:
| JP49126156A | ||||
| JP63315190A | ||||
| JP5339968A | ||||
| JP8294695A |
Attorney, Agent or Firm:
Shinichi Shiode (1 person outside)
Previous Patent: 化粧板及びサービスカウンター
Next Patent: ROOF STRUCTURE OF ROCK SHED-SNOW SHED AND EXECUTION METHOD THEREOF
Next Patent: ROOF STRUCTURE OF ROCK SHED-SNOW SHED AND EXECUTION METHOD THEREOF