JPS6456196A - Immobilized biomembrane filter media and sewage treatment device using said media - Google Patents

Immobilized biomembrane filter media and sewage treatment device using said media

Info

Publication number
JPS6456196A
JPS6456196A JP20938887A JP20938887A JPS6456196A JP S6456196 A JPS6456196 A JP S6456196A JP 20938887 A JP20938887 A JP 20938887A JP 20938887 A JP20938887 A JP 20938887A JP S6456196 A JPS6456196 A JP S6456196A
Authority
JP
Japan
Prior art keywords
holes
pipe
area
baffle plates
generated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP20938887A
Other languages
Japanese (ja)
Other versions
JP2598918B2 (en
Inventor
Tsutomu Arimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OBAYASHI CHIEKO
Original Assignee
OBAYASHI CHIEKO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by OBAYASHI CHIEKO filed Critical OBAYASHI CHIEKO
Priority to JP20938887A priority Critical patent/JP2598918B2/en
Publication of JPS6456196A publication Critical patent/JPS6456196A/en
Application granted granted Critical
Publication of JP2598918B2 publication Critical patent/JP2598918B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Biological Treatment Of Waste Water (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

PURPOSE:To prevent the clogging of filter media by boring many through-holes to the side wall of a straight pipe, specifically projecting baffle plates to the inside of the pipe from the respective lower sides of the through-holes and forming the opposed through-holes in the upper positions to the area large than the through-holes in the lower positions. CONSTITUTION:The many through-holes 2 are provided to the side wall of the straight pipe 1 and the baffle plates 2 are provided to the lower side of the through-holes 2. For example, in the figure, the baffle plate 3 is provided on the side face which is one of the side faces dividing the peripheral wall of the pipe 1 equally to 8 parts and is of the same level as the level of the side face adjacent to the one face after said face. The baffle plate is then so provided in the symmetrical position as to be smaller in area than the area of the above- mentioned baffle plate and to exist on the same extension line. The exactly same structure is provided in the position rotated by about 90 deg. at the same level. As a result, the flow of the sewage flowing into the pipe from the upper part of the pipe through the large through- holes flows along the baffle plates. The area of the lower through-holes is smaller than the area of the upper through-holes opposite thereto and since the outflow rate is lowered, partial back flow is generated and the counter current is generated on the baffle plates. The similar phenomenon is generated in the baffle plates 4, 5 in the positions rotated by 90 deg., by which the flows of both are intersected and are run downward.
JP20938887A 1987-08-25 1987-08-25 Fixed biofilm filter medium and sewage treatment apparatus using the same Expired - Fee Related JP2598918B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20938887A JP2598918B2 (en) 1987-08-25 1987-08-25 Fixed biofilm filter medium and sewage treatment apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20938887A JP2598918B2 (en) 1987-08-25 1987-08-25 Fixed biofilm filter medium and sewage treatment apparatus using the same

Publications (2)

Publication Number Publication Date
JPS6456196A true JPS6456196A (en) 1989-03-03
JP2598918B2 JP2598918B2 (en) 1997-04-09

Family

ID=16572080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20938887A Expired - Fee Related JP2598918B2 (en) 1987-08-25 1987-08-25 Fixed biofilm filter medium and sewage treatment apparatus using the same

Country Status (1)

Country Link
JP (1) JP2598918B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254245A (en) * 1991-04-01 1993-10-19 Tsutome Arimizu Multi-stage anaerobic packed column reactor with fixed-film column filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5254245A (en) * 1991-04-01 1993-10-19 Tsutome Arimizu Multi-stage anaerobic packed column reactor with fixed-film column filter

Also Published As

Publication number Publication date
JP2598918B2 (en) 1997-04-09

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Legal Events

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R250 Receipt of annual fees

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LAPS Cancellation because of no payment of annual fees