BE895997A - Procede de deshydratation de boues - Google Patents

Procede de deshydratation de boues

Info

Publication number: BE895997A
Authority: BE; Belgium
Prior art keywords: dehydration process; sludge dehydration; sludge; dehydration
Prior art date: 1982-04-29

Application number

BE0/210190A

Other languages

English (en)

Original Assignee

Roehm Gmbh

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.)

1982-04-29

Filing date

1983-02-23

Publication date

1983-06-16

1983-02-23 Application filed by Roehm Gmbh filed Critical Roehm Gmbh

1983-06-16 Publication of BE895997A publication Critical patent/BE895997A/fr

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Treatment Of Sludge (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Filtration Of Liquid (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

BE0/210190A 1982-04-29 1983-02-23 Procede de deshydratation de boues BE895997A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19823215894 DE3215894A1 (de)	1982-04-29	1982-04-29	Verfahren zur klaerschlammentwaesserung

Publications (1)

Publication Number	Publication Date
BE895997A true BE895997A (fr)	1983-06-16

Family

ID=6162204

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE0/210190A BE895997A (fr)	1982-04-29	1983-02-23	Procede de deshydratation de boues

Country Status (8)

Country	Link
US (1)	US4548719A (fr)
JP (1)	JPS58199017A (fr)
BE (1)	BE895997A (fr)
DE (1)	DE3215894A1 (fr)
FR (1)	FR2526008B1 (fr)
GB (1)	GB2119274B (fr)
IT (1)	IT1162846B (fr)
NL (1)	NL8300583A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5637229A (en) *	1995-02-17	1997-06-10	Enviroguard, Inc.	Self flocculating separation medium and method
JP5042974B2 (ja) *	2008-12-03	2012-10-03	住友重機械工業株式会社	汚泥処理方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB791993A (en) *	1956-06-08	1958-03-19	Great Lakes Carbon Corp	Improvements in or relating to filter aids and process of making the same
DE1057577B (de) *	1956-07-03	1959-05-21	Great Lakes Carbon Corp	Filterhilfe und Verfahren zu ihrer Herstellung
US3235492A (en) *	1963-03-25	1966-02-15	Johns Manville	Composition for and method of removing impurities from water
DE1461445A1 (de) *	1964-02-19	1969-12-11	Passavant Werke	Verfahren zum Aufbringen einer Filterhilfsschicht
US3338828A (en) *	1964-07-29	1967-08-29	Joseph R Clark	Purification of water supplies and aqueous wastes
US3388060A (en) *	1964-07-29	1968-06-11	Parsons Brinckerhoff Quade & D	Process and composition for purification of water supplies and aqueous wastes
DE1517705B2 (de) *	1965-11-05	1972-10-19	Passavant-Werke Michelbacher Hütte, 6209 Aarbergen	Verfahren zum entwaessern von abwasserschlaemmen
AT292735B (de) *	1969-03-11	1971-09-10	Franz Xaver Schenzel	Als Filterhilfsmittel dienendes Gemisch, das Diatomeenerde enthält
JPS5210100B2 (fr) *	1972-03-21	1977-03-22
DE2249607B2 (de) *	1972-10-10	1979-05-17	Passavant-Werke Michelbacher Huette, 6209 Aarbergen	Verfahren zum Entwässern von fiberwiegend organischen Schlämmen, insbesondere Abwasserschlämmen
CA1044537A (fr) *	1973-05-09	1978-12-19	Amf Incorporated	Milleux de filtration
DE2327869A1 (de) *	1973-06-01	1975-02-20	Basf Ag	Verfahren zur beschleunigung der entwaesserung von klaerschlamm
JPS5035909A (fr) *	1973-08-02	1975-04-04
DE2359262A1 (de) *	1973-11-28	1975-06-05	Schmidt Holthausen Hans Joachi	Schuettfaehiges fuellmaterial zur bildung der filterschicht in filtriereinrichtungen zum filtrieren von fluessigkeiten, insbesondere wasser
US3932275A (en) *	1974-08-29	1976-01-13	Amax Resource Recovery Systems, Inc.	Process for the treatment of mineral slimes
GB1556832A (en) *	1976-11-09	1979-11-28	Dicalite Europe Nord	Method for the preparation of perlite structures
CH620133A5 (en) *	1977-02-05	1980-11-14	Filtrox Maschinenbau Ag	Filter aid for precoat filters
DE2730009C2 (de) *	1977-07-02	1986-10-16	Cillichemie Ernst Vogelmann Gmbh & Co, 7100 Heilbronn	Verfahren zur Verbesserung der Filtrierbarkeit von Abwasserschlämmen
US4235795A (en) *	1978-10-20	1980-11-25	Cohen Marvin D	Method for extracting fatty acids from shortening
GB2098590B (en) *	1979-03-01	1983-08-03	Amf Inc	Filter aid
GB2043734B (en) *	1979-03-01	1983-08-17	Amf Inc	Filter and method of making same
US4440867A (en) *	1982-05-14	1984-04-03	Ensotech, Inc.	Calcined, high surface area, particulate matter, processes using this matter, and admixtures with other agents

1982
- 1982-04-29 DE DE19823215894 patent/DE3215894A1/de active Granted
1983
- 1983-02-16 NL NL8300583A patent/NL8300583A/nl not_active Application Discontinuation
- 1983-02-23 BE BE0/210190A patent/BE895997A/fr not_active IP Right Cessation
- 1983-03-04 FR FR838303549A patent/FR2526008B1/fr not_active Expired
- 1983-04-05 IT IT67374/83A patent/IT1162846B/it active
- 1983-04-11 US US06/483,648 patent/US4548719A/en not_active Expired - Fee Related
- 1983-04-25 GB GB08311221A patent/GB2119274B/en not_active Expired
- 1983-04-26 JP JP58072313A patent/JPS58199017A/ja active Pending

Also Published As

Publication number	Publication date
DE3215894A1 (de)	1983-11-03
JPS58199017A (ja)	1983-11-19
FR2526008A1 (fr)	1983-11-04
FR2526008B1 (fr)	1989-12-29
US4548719A (en)	1985-10-22
IT8367374A1 (it)	1984-10-05
NL8300583A (nl)	1983-11-16
GB2119274A (en)	1983-11-16
IT8367374A0 (it)	1983-04-05
DE3215894C2 (fr)	1992-12-24
GB2119274B (en)	1986-04-03
IT1162846B (it)	1987-04-01
GB8311221D0 (en)	1983-06-02

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Legal Events

Date

Code

Title

Description

1994-08-31

RE

Patent lapsed

Owner name: ROHM G.M.B.H. CHEMISCHE FABRIK

Effective date: 19940228