Title:
ASH SEWAGE TREATING DEVICE
Document Type and Number:
Japanese Patent JP3146569
Kind Code:
B2
Abstract:
PURPOSE: To obtain a dischargeable and clean water by removing ash from ash sewage.
CONSTITUTION: This device is provided with a primary tank filter 22 with has a sand tank filter 24 and in which ash sewage is flowed in, a high and low frequency current tank 27 which has a high and low frequency current electrode 28 and in which supernatant from the primary tank filter 22 is flowed in, a ceramic tank filter 30 which has a ceramic filter 31 and removes liquid fine particles passed through the high and low frequency current tank 27. After ash-contaminated water is filtered by the primary tank filter 22 to make it in the state where solid and liquid are easy to separate by the high and low frequency current tank 27, fine particles are removed by the ceramic tank filter 30.
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Inventors:
Hisataka Ito
Application Number:
JP29492891A
Publication Date:
March 19, 2001
Filing Date:
October 15, 1991
Export Citation:
Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
B01D24/02; B01D36/02; B01D39/20; C02F1/48; C02F1/52; (IPC1-7): B01D36/02; B01D39/20; C02F1/48
Domestic Patent References:
| JP60190286A | ||||
| JP59206061A | ||||
| JP63194708A | ||||
| JP63319095A |
Attorney, Agent or Firm:
Tsunemitsu Yamada (1 person outside)