JPS5292167A - Filtering method - Google Patents

Filtering method

Info

Publication number
JPS5292167A
JPS5292167A JP894176A JP894176A JPS5292167A JP S5292167 A JPS5292167 A JP S5292167A JP 894176 A JP894176 A JP 894176A JP 894176 A JP894176 A JP 894176A JP S5292167 A JPS5292167 A JP S5292167A
Authority
JP
Japan
Prior art keywords
filtering
tower
filtering method
sand
contaminated
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
JP894176A
Other languages
Japanese (ja)
Inventor
Satoshi Inada
Yoji Suzuki
Tamotsu Okamoto
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.)
Toyobo Co Ltd
Original Assignee
Toyobo Co 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.)
Filing date
Publication date
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP894176A priority Critical patent/JPS5292167A/en
Publication of JPS5292167A publication Critical patent/JPS5292167A/en
Pending legal-status Critical Current

Links

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

PURPOSE: An economical filtering method wherein water to be treated is made to go upward in a filtering tower, and contaminated materials are filtered through filtering sand in the filtering tower; while the contaminated filtering sand is removed from the bottom of the tower, is cleansed, then is returned to the top of the layer of the filtering sand for repeated use.
COPYRIGHT: (C)1977,JPO&Japio
JP894176A 1976-01-29 1976-01-29 Filtering method Pending JPS5292167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP894176A JPS5292167A (en) 1976-01-29 1976-01-29 Filtering method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP894176A JPS5292167A (en) 1976-01-29 1976-01-29 Filtering method

Publications (1)

Publication Number Publication Date
JPS5292167A true JPS5292167A (en) 1977-08-03

Family

ID=11706684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP894176A Pending JPS5292167A (en) 1976-01-29 1976-01-29 Filtering method

Country Status (1)

Country Link
JP (1) JPS5292167A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111062A (en) * 1976-03-03 1977-09-17 Nordstjernan Rederi Ab Suspension or emulsion filtrating method and system
JPS5676009U (en) * 1979-11-15 1981-06-20

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52111062A (en) * 1976-03-03 1977-09-17 Nordstjernan Rederi Ab Suspension or emulsion filtrating method and system
JPS5651808B2 (en) * 1976-03-03 1981-12-08
JPS5676009U (en) * 1979-11-15 1981-06-20

Similar Documents

Publication Publication Date Title
JPS5290865A (en) Method of washing filter apparatus
JPS5292167A (en) Filtering method
JPS5424370A (en) Method for washing filter membranes for use in filters
JPS5217376A (en) Membrane separating apparatus
JPS541970A (en) Sea-sand clening method and apparatus therefor
JPS5234548A (en) Tertiary treatment of waste water containing fluorine
JPS52147300A (en) Treating method of radioactive liquid waste containing solid contents
JPS53146264A (en) Treating method for sludge
JPS5411566A (en) Process of filtration
JPS531958A (en) Raw stuff processed waste water treatment method
JPS5367703A (en) Removal of iron impurities in process wherein petroleum is used
JPS55139830A (en) Filtration method by clay
JPS52156300A (en) Continuous treating method of radioactive waste liquid by washing
JPS52123552A (en) Process for treating waste water by powder activated charcoal
JPS537874A (en) Multi-tank/double layer type process and apparatus for high speed precision filtration
JPS5389257A (en) Method for laying water collecting blocks
JPS5339566A (en) Method of cleaning filter tank
JPS52131263A (en) Method of cleaning filtration layer in filtration tank
JPS5394260A (en) Removing method for boron fluoride
JPS52121962A (en) Method for treating waste water containing slurry paint
JPS52145872A (en) Filtering method
JPS5419083A (en) Pressure suppressing apparatus of reactor container
JPS5298353A (en) Sewage treatment system
JPS5244460A (en) Underwater filtration apparatus
JPS5230054A (en) Method of removing fluorine in waste water