Title:
SEWAGE TREATMENT SYSTEM AND SEWAGE TREATMENT STRUCTURE
Document Type and Number:
Japanese Patent JP2002316179
Kind Code:
A
Abstract:
To provide a sewage treatment system and a sewage treatment structure which are improved in a sewage treatment capacity by making the sewage penetrate smoothly into treatment soil.
In the sewage treatment system having a decomposition evaporation tank 60 in which the introduced sewage is decomposed by microorganisms and evaporated, the tank 60 partitions the inside of the ground into the first upper earth layer 60a and the second lower earth layer 60b by a water impermeable sheet 62, and a porous material layer 60c formed by lots of porous materials is formed in the vicinity of the ground in the first upper earth layer 60a.
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Inventors:
NAKAMURA YASUO
MINO YOSUKE
MINO YOSUKE
Application Number:
JP2001159696A
Publication Date:
October 29, 2002
Filing Date:
April 18, 2001
Export Citation:
Assignee:
NAKAMURA YASUO
International Classes:
C02F3/00; C02F1/04; C02F1/14; C02F3/30; C02F3/32; (IPC1-7): C02F3/00; C02F1/04; C02F1/14; C02F3/30; C02F3/32
Attorney, Agent or Firm:
Okuda Inami