JPS6329574B2 - - Google Patents

Info

Publication number: JPS6329574B2
Authority: JP; Japan
Prior art keywords: cleaning; over; pond; ponds; overflow
Prior art date: 1979-03-30
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

Application number

JP54038670A

Other languages

English (en)

Japanese (ja)

Other versions

JPS55129120A (en

Inventor

Gi Hisayoshi

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.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1979-03-30

Filing date

1979-03-30

Publication date

1988-06-14

1979-03-30 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1979-03-30 Priority to JP3867079A priority Critical patent/JPS55129120A/ja

1980-10-06 Publication of JPS55129120A publication Critical patent/JPS55129120A/ja

1988-06-14 Publication of JPS6329574B2 publication Critical patent/JPS6329574B2/ja

Status Granted legal-status Critical Current

Links

238000000034 method Methods 0.000 claims description 163
230000008569 process Effects 0.000 claims description 142
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
230000007704 transition Effects 0.000 claims description 25
238000012545 processing Methods 0.000 claims description 15
238000005406 washing Methods 0.000 claims description 8
238000009825 accumulation Methods 0.000 claims description 4
239000008213 purified water Substances 0.000 claims description 4
230000003247 decreasing effect Effects 0.000 claims description 3
230000001186 cumulative effect Effects 0.000 claims 1
238000004140 cleaning Methods 0.000 description 99
238000000746 purification Methods 0.000 description 12
230000007423 decrease Effects 0.000 description 11
238000010586 diagram Methods 0.000 description 8
238000001914 filtration Methods 0.000 description 7
230000004044 response Effects 0.000 description 7
239000000725 suspension Substances 0.000 description 4
230000008859 change Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
230000008439 repair process Effects 0.000 description 3
239000008400 supply water Substances 0.000 description 3
239000002699 waste material Substances 0.000 description 2
239000002351 wastewater Substances 0.000 description 2
238000004065 wastewater treatment Methods 0.000 description 2
230000005856 abnormality Effects 0.000 description 1
238000012937 correction Methods 0.000 description 1
238000012217 deletion Methods 0.000 description 1
230000037430 deletion Effects 0.000 description 1
230000010354 integration Effects 0.000 description 1
230000007774 longterm Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
239000004576 sand Substances 0.000 description 1
239000010865 sewage Substances 0.000 description 1

Landscapes

Filtration Of Liquid (AREA)

JP3867079A 1979-03-30 1979-03-30 Operating method of filter pond Granted JPS55129120A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP3867079A JPS55129120A (en)	1979-03-30	1979-03-30	Operating method of filter pond

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP3867079A JPS55129120A (en)	1979-03-30	1979-03-30	Operating method of filter pond

Publications (2)

Publication Number	Publication Date
JPS55129120A JPS55129120A (en)	1980-10-06
JPS6329574B2 true JPS6329574B2 (pt)	1988-06-14

Family

ID=12531698

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3867079A Granted JPS55129120A (en)	1979-03-30	1979-03-30	Operating method of filter pond

Country Status (1)

Country	Link
JP (1)	JPS55129120A (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02141483U (pt) *	1989-01-23	1990-11-28

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6290715U (pt) *	1985-11-27	1987-06-10

1979
- 1979-03-30 JP JP3867079A patent/JPS55129120A/ja active Granted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02141483U (pt) *	1989-01-23	1990-11-28

Also Published As

Publication number	Publication date
JPS55129120A (en)	1980-10-06

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