JPS6418493A - Novel method for improving sv lowering characteristics - Google Patents

Novel method for improving sv lowering characteristics

Info

Publication number
JPS6418493A
JPS6418493A JP21028087A JP21028087A JPS6418493A JP S6418493 A JPS6418493 A JP S6418493A JP 21028087 A JP21028087 A JP 21028087A JP 21028087 A JP21028087 A JP 21028087A JP S6418493 A JPS6418493 A JP S6418493A
Authority
JP
Japan
Prior art keywords
medium
actinomyces
added
suspended solids
compost
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.)
Pending
Application number
JP21028087A
Other languages
Japanese (ja)
Inventor
Tadayuki Yoshida
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.)
Sankyo Yuki KK
Original Assignee
Sankyo Yuki 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 Sankyo Yuki KK filed Critical Sankyo Yuki KK
Priority to JP21028087A priority Critical patent/JPS6418493A/en
Publication of JPS6418493A publication Critical patent/JPS6418493A/en
Pending 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

Abstract

PURPOSE:To increase the settling velocity of suspended solids in organic waste water by adding thereto the supernatant liquid of a liquid medium after culturing the same with a compost containing microorganisms and the metabolites thereof added to an actinomyces medium. CONSTITUTION:A compost obtained from the fermentation of sewage sludge is added to an actinomyces medium which is subjected to an aerobic culture while being heated, with the selective propagation of the actinomyces. Easily decomposable hydrocarbons are added to the actinomyces medium with a pH adjustable within the range of 8-9, biasing toward the alkali side. Also, the culture temperatures are within the range of 70-90 deg.C. The supernatant liquid of this liquid medium is added to organic drain water 2 which has been aerated in an aeration tank 1 through the supernatant liquid adding opening 3 to settle the suspended solids in a settling tank 4, thus producing a treated water 5. Microbe enzymes are accumulated in the compost, which lower the resistivity of small organic colloids in the suspended solids.
JP21028087A 1987-08-26 1987-08-26 Novel method for improving sv lowering characteristics Pending JPS6418493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21028087A JPS6418493A (en) 1987-08-26 1987-08-26 Novel method for improving sv lowering characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21028087A JPS6418493A (en) 1987-08-26 1987-08-26 Novel method for improving sv lowering characteristics

Publications (1)

Publication Number Publication Date
JPS6418493A true JPS6418493A (en) 1989-01-23

Family

ID=16586779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21028087A Pending JPS6418493A (en) 1987-08-26 1987-08-26 Novel method for improving sv lowering characteristics

Country Status (1)

Country Link
JP (1) JPS6418493A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112960807A (en) * 2021-02-24 2021-06-15 包头钢铁（集团）有限责任公司 Calcium hydroxide adding method for high-density sedimentation tank

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112960807A (en) * 2021-02-24 2021-06-15 包头钢铁（集团）有限责任公司 Calcium hydroxide adding method for high-density sedimentation tank

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