USB492716I5 - - Google Patents

Info

Publication number: USB492716I5
Authority: US; United States
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

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.)

1973-08-02

Filing date

1974-07-29

Publication date

1976-03-02

1973-08-02 Priority claimed from JP8634673A external-priority patent/JPS5140898B2/ja

1973-08-02 Priority claimed from JP8634573A external-priority patent/JPS539183B2/ja

1974-07-29 Application filed filed Critical

1976-03-02 Publication of USB492716I5 publication Critical patent/USB492716I5/en

1976-12-21 Application granted granted Critical

1976-12-21 Publication of US3998739A publication Critical patent/US3998739A/en

1993-12-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/04—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being clamped between pervious fixed walls
- B01D24/08—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being clamped between pervious fixed walls the filtering material being supported by at least two pervious coaxial walls
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4684—Regenerating the filtering material in the filter by moving the filtering element using spray devices
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4668—Regenerating the filtering material in the filter by moving the filtering element
- B01D24/4689—Displacement of the filtering material to a compartment of the filtering device for regeneration
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Filtration Of Liquid (AREA)

US05/492,716 1973-08-02 1974-07-29 Apparatus for filtration Expired - Lifetime US3998739A (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
JP8634673A JPS5140898B2 (en)	1973-08-02	1973-08-02
JA48-86346		1973-08-02
JA48-86345		1973-08-02
JP8634573A JPS539183B2 (en)	1973-08-02	1973-08-02

Publications (2)

Publication Number	Publication Date
USB492716I5 true USB492716I5 (en)	1976-03-02
US3998739A US3998739A (en)	1976-12-21

Family

ID=26427486

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
US05/492,716 Expired - Lifetime US3998739A (en)	1973-08-02	1974-07-29	Apparatus for filtration

Country Status (1)

Country	Link
US (1)	US3998739A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0002727A1 (en) *	1977-12-22	1979-07-11	Perc S.r.l.	Process and apparatus for the continuous filtration of liquids
EP0101907A2 (en) *	1982-08-03	1984-03-07	MITSUI TOATSU CHEMICALS, Inc.	Countercurrent washing tower and countercurrent washing method using same
EP0291538A1 (en) *	1987-05-14	1988-11-23	Miljoevern Umwelt-Technik GmbH	Process and apparatus for the continuous filtration of liquids
US5637278A (en) *	1992-08-10	1997-06-10	Merpro Tortek Limited	Treatment device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS585085B2 (en) *	1977-10-07	1983-01-29	武田薬品工業株式会社	Upflow moving bed filtration equipment
US4312764A (en) *	1980-09-11	1982-01-26	Amsted Industries Incorporated	Filtration system with bi-flow filter
PL2498891T3 (en) *	2009-11-11	2018-10-31	Nordic Water Products Ab	A method and a plant for the treatment of water and wastewater
US8152998B2 (en) *	2010-05-28	2012-04-10	Ashbrook Simon-Hartley, LP	Screenless granular media filters and methods of use
MX2017016929A (en) *	2015-07-03	2018-08-21	Paques Ip Bv	Apparatus and method for purification of a fluid by means of a filter bed.
RU198330U1 (en) *	2019-12-23	2020-07-02	Федеральное государственное бюджетное образовательное учреждение высшего образования "Тихоокеанский государственный университет"	Radial Double Layer Filter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1620431A (en) *	1925-02-11	1927-03-08	Bramwell Balfour	Filtering apparatus
US1861295A (en) *	1928-02-07	1932-05-31	Bramwell Balfour	Filter
US2801966A (en) *	1954-07-16	1957-08-06	Sun Oil Co	Transfer of granular solids
US3272335A (en) *		1966-09-13		Process and apparatus for moving solid pellets in a closed circuit
US3550774A (en) *	1968-01-09	1970-12-29	Hydromation Eng Co	Method of and apparatus for filtering
US3673085A (en) *	1968-11-21	1972-06-27	Grenobloise Etude Appl	Method and apparatus for treating solutions by solid-ion exchangers
US3767048A (en) *	1970-08-26	1973-10-23	Passavant Werke	Method and apparatus for filtering liquid
US3798159A (en) *	1971-02-23	1974-03-19	Tatabanyai Szenbanyak	Method and apparatus for continuous filtration of liquids with simultaneous regeneration of filter medium

1974
- 1974-07-29 US US05/492,716 patent/US3998739A/en not_active Expired - Lifetime

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3272335A (en) *		1966-09-13		Process and apparatus for moving solid pellets in a closed circuit
US1620431A (en) *	1925-02-11	1927-03-08	Bramwell Balfour	Filtering apparatus
US1861295A (en) *	1928-02-07	1932-05-31	Bramwell Balfour	Filter
US2801966A (en) *	1954-07-16	1957-08-06	Sun Oil Co	Transfer of granular solids
US3550774A (en) *	1968-01-09	1970-12-29	Hydromation Eng Co	Method of and apparatus for filtering
US3673085A (en) *	1968-11-21	1972-06-27	Grenobloise Etude Appl	Method and apparatus for treating solutions by solid-ion exchangers
US3767048A (en) *	1970-08-26	1973-10-23	Passavant Werke	Method and apparatus for filtering liquid
US3798159A (en) *	1971-02-23	1974-03-19	Tatabanyai Szenbanyak	Method and apparatus for continuous filtration of liquids with simultaneous regeneration of filter medium

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0002727A1 (en) *	1977-12-22	1979-07-11	Perc S.r.l.	Process and apparatus for the continuous filtration of liquids
EP0101907A2 (en) *	1982-08-03	1984-03-07	MITSUI TOATSU CHEMICALS, Inc.	Countercurrent washing tower and countercurrent washing method using same
EP0101907A3 (en) *	1982-08-03	1985-05-15	Mitsui Toatsu Chemicals, Incorporated	Countercurrent washing tower and countercurrent washing method using same
EP0291538A1 (en) *	1987-05-14	1988-11-23	Miljoevern Umwelt-Technik GmbH	Process and apparatus for the continuous filtration of liquids
US5637278A (en) *	1992-08-10	1997-06-10	Merpro Tortek Limited	Treatment device

Also Published As

Publication number	Publication date
US3998739A (en)	1976-12-21

Publication	Publication Date	Title
AR201758A1 (en)	1975-04-15
AU476761B2 (en)	1976-09-30
AU465372B2 (en)	1975-09-25
AR201235Q (en)	1975-02-21
AR201231Q (en)	1975-02-21
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
AU471343B2 (en)	1976-04-15
AU465453B2 (en)	1975-09-25
AU465434B2 (en)	1975-09-25
AU450229B2 (en)	1974-07-04
AU476714B2 (en)	1976-09-30
AR201229Q (en)	1975-02-21
AU466283B2 (en)	1975-10-23
AR199451A1 (en)	1974-08-30
AU476696B2 (en)	1976-09-30
AU472848B2 (en)	1976-06-03
AU477823B2 (en)	1975-06-19
AR201432A1 (en)	1975-03-14
AR197627A1 (en)	1974-04-23
AR200885A1 (en)	1974-12-27
AR200256A1 (en)	1974-10-31
AR210729A1 (en)	1977-09-15
AR195311A1 (en)	1973-09-28