JPH0510997B2 - - Google Patents

Info

Publication number: JPH0510997B2
Authority: JP; Japan
Prior art keywords: sludge; activated sludge; accelerator; sedimentation; aeration tank
Prior art date: 1984-11-27
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.): Expired - Lifetime

Application number

JP59251184A

Other languages

English (en)

Japanese (ja)

Other versions

JPS61129095A (ja

Inventor

Akitane Kitajima

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.)

Individual

Original Assignee

Individual

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.)

1984-11-27

Filing date

1984-11-27

Publication date

1993-02-12

1984-11-27 Application filed by Individual filed Critical Individual

1984-11-27 Priority to JP59251184A priority Critical patent/JPS61129095A/ja

1986-06-17 Publication of JPS61129095A publication Critical patent/JPS61129095A/ja

1993-02-12 Publication of JPH0510997B2 publication Critical patent/JPH0510997B2/ja

Status Granted legal-status Critical Current

Links

239000010802 sludge Substances 0.000 claims description 113
238000004062 sedimentation Methods 0.000 claims description 42
238000000926 separation method Methods 0.000 claims description 39
238000005273 aeration Methods 0.000 claims description 38
239000000725 suspension Substances 0.000 claims description 19
238000000034 method Methods 0.000 claims description 15
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
230000005484 gravity Effects 0.000 claims description 6
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
238000004064 recycling Methods 0.000 claims description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
239000001569 carbon dioxide Substances 0.000 claims description 3
229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
239000001301 oxygen Substances 0.000 claims description 3
229910052760 oxygen Inorganic materials 0.000 claims description 3
239000007789 gas Substances 0.000 claims description 2
229910001873 dinitrogen Inorganic materials 0.000 claims 1
239000000843 powder Substances 0.000 description 12
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 9
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
238000005188 flotation Methods 0.000 description 4
239000002351 wastewater Substances 0.000 description 3
238000007796 conventional method Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000011521 glass Substances 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
239000008213 purified water Substances 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
238000004065 wastewater treatment Methods 0.000 description 2
241000287828 Gallus gallus Species 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000007865 diluting Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
230000000813 microbial effect Effects 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1

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

Activated Sludge Processes (AREA)

JP59251184A 1984-11-27 1984-11-27 汚泥沈降促進材の循環使用方法 Granted JPS61129095A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP59251184A JPS61129095A (ja)	1984-11-27	1984-11-27	汚泥沈降促進材の循環使用方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP59251184A JPS61129095A (ja)	1984-11-27	1984-11-27	汚泥沈降促進材の循環使用方法

Publications (2)

Publication Number	Publication Date
JPS61129095A JPS61129095A (ja)	1986-06-17
JPH0510997B2 true JPH0510997B2 (de)	1993-02-12

Family

ID=17218928

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP59251184A Granted JPS61129095A (ja)	1984-11-27	1984-11-27	汚泥沈降促進材の循環使用方法

Country Status (1)

Country	Link
JP (1)	JPS61129095A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0688031B2 (ja) *	1989-12-05	1994-11-09	新日本製鐵株式会社	生物学的処理方法
JP3478321B2 (ja)	1997-03-14	2003-12-15	栗田工業株式会社	活性汚泥沈降促進剤、およびそれを用いた排水の活性汚泥処理方法

1984
- 1984-11-27 JP JP59251184A patent/JPS61129095A/ja active Granted

Also Published As

Publication number	Publication date
JPS61129095A (ja)	1986-06-17

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