JPS57171491A - Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor - Google Patents

Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor

Info

Publication number
JPS57171491A
JPS57171491A JP56055216A JP5521681A JPS57171491A JP S57171491 A JPS57171491 A JP S57171491A JP 56055216 A JP56055216 A JP 56055216A JP 5521681 A JP5521681 A JP 5521681A JP S57171491 A JPS57171491 A JP S57171491A
Authority
JP
Japan
Prior art keywords
oxygen
bubbles
biomembranes
filthy water
becomes smaller
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
JP56055216A
Other languages
Japanese (ja)
Other versions
JPH0147234B2 (en
Inventor
Tadashi Niimi
Masaaki Niimi
Masanori Niimi
Keiko Nakade
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.)
DOJIYOU JIYOUKA CENTER KK
Original Assignee
DOJIYOU JIYOUKA CENTER KK
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 DOJIYOU JIYOUKA CENTER KK filed Critical DOJIYOU JIYOUKA CENTER KK
Priority to JP56055216A priority Critical patent/JPS57171491A/en
Publication of JPS57171491A publication Critical patent/JPS57171491A/en
Publication of JPH0147234B2 publication Critical patent/JPH0147234B2/ja
Granted 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)

Abstract

PURPOSE: To remarkably enhance filthy water-purifying efficiency, by letting filthy water flow from one end to the other end of a catalytic aeration vessel, supplying bulky bubbles into filtering materials at the upstream side, and reducing the size of the bubbles and the feed amount of the bubbles toward the downstream side.
CONSTITUTION: When filthy water is let flow through an inflow opening 11, biomembranes adhere to and grow in filtering materials 5 for adhesion of the biomembranes. The biomembranes have larger fertility at a part near a filthy water-inflow line 8 and reduce their thickness and volume toward an outflow line 9. Consequently, an oxygen-demand rate is larger at the upstream side and becomes smaller toward the downstream side. When a jet stream injector 10 is driven under this condition, bulky bubbles, effective in supply of a large amount of oxygen, are formed at the upstream side. The size of the bubbles becomes smaller toward the downstream side, so that the oxygen-feed rate becomes smaller. Since oxygen-feed distribution corresponds to the growth distribution of the biomembranes, oxygen is effectively consumed with high purifying efficiency.
COPYRIGHT: (C)1982,JPO&Japio
JP56055216A 1981-04-13 1981-04-13 Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor Granted JPS57171491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56055216A JPS57171491A (en) 1981-04-13 1981-04-13 Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56055216A JPS57171491A (en) 1981-04-13 1981-04-13 Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor

Publications (2)

Publication Number Publication Date
JPS57171491A true JPS57171491A (en) 1982-10-22
JPH0147234B2 JPH0147234B2 (en) 1989-10-12

Family

ID=12992419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56055216A Granted JPS57171491A (en) 1981-04-13 1981-04-13 Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor

Country Status (1)

Country Link
JP (1) JPS57171491A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741111A3 (en) * 1995-04-04 1997-03-19 Aquatech Ltd Apparatus and method for purifying polluted water
JP2008104999A (en) * 2006-10-27 2008-05-08 Samutekku:Kk Apparatus for treating water to be treated

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0741111A3 (en) * 1995-04-04 1997-03-19 Aquatech Ltd Apparatus and method for purifying polluted water
US5906745A (en) * 1995-04-04 1999-05-25 Aquatech, Ltd. Apparatus and method for purifying polluted water
JP2008104999A (en) * 2006-10-27 2008-05-08 Samutekku:Kk Apparatus for treating water to be treated

Also Published As

Publication number Publication date
JPH0147234B2 (en) 1989-10-12

Similar Documents

Publication Publication Date Title
ZA881887B (en) Dipped spout for metallurgical vessels
JPS57171491A (en) Bubble-supply method in long waterway-type catalytic aeration vessel and apparatus therefor
HU9301610D0 (en) Method and device for treqting sewage water
JPS57196014A (en) Apparatus for supplying combustion auxiliary agent
JPS55167009A (en) Dialyzer
JPS5748388A (en) Apparatus for waste water treatment
JPS5544358A (en) Method and apparatus for biological denitrification of waste water
CA2200440A1 (en) Apparatus and method for the supply of molten metal
JPS5670228A (en) Powder/particles circulation device
CN208327524U (en) A kind of reverse-flow type treatment tank
JPS5794361A (en) Method and device for minute particle spray
JPS5796773A (en) Liquid-honing slurry feeder for mechanical descaling
JPS6135920B2 (en)
JPS55130819A (en) Producing aqueous slaked lime solution and equipment therefor
JPS57159591A (en) Catalytic oxidation and apparatus therefor
JPS5597284A (en) Aerator for polluted water
JPS57209688A (en) Mineral water maker
JPS5621692A (en) Purifying tank
GB1582650A (en) Flotation clarification process
JPS5632084A (en) Automatic pump
JPS56124408A (en) Removing device for sand contained in miscellaneous waste water
JPS5552222A (en) High-pressure-dispersion-and-oxydization device for semiconductor
JPS56106100A (en) Jetpump with by-pass line
JPS55121893A (en) Water treating apparatus
JPS5745393A (en) Energy saving aeration method