FR861017A - Perfectionnements aux appareils de floculation - Google Patents

Perfectionnements aux appareils de floculation

Info

Publication number: FR861017A
Authority: FR; France
Prior art keywords: flocculation devices; flocculation; devices
Prior art date: 1938-10-21
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

Other languages

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.)

Dorr Co

Original Assignee

Dorr Co

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.)

1938-10-21

Filing date

1939-10-20

Publication date

1941-01-30

1939-10-20 Application filed by Dorr Co filed Critical Dorr Co

1941-01-30 Application granted granted Critical

1941-01-30 Publication of FR861017A publication Critical patent/FR861017A/fr

Status Expired legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/30—Electrode boilers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0018—Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
- B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2427—The feed or discharge opening located at a distant position from the side walls
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Organic Chemistry (AREA)
Hydrology & Water Resources (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
General Chemical & Material Sciences (AREA)
Sustainable Development (AREA)
Sustainable Energy (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Mixers Of The Rotary Stirring Type (AREA)

FR861017D 1938-10-21 1939-10-20 Perfectionnements aux appareils de floculation Expired FR861017A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US236282A US2143750A (en)	1938-10-21	1938-10-21	Flocculation

Publications (1)

Publication Number	Publication Date
FR861017A true FR861017A (fr)	1941-01-30

Family

ID=22888872

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR861017D Expired FR861017A (fr)	1938-10-21	1939-10-20	Perfectionnements aux appareils de floculation

Country Status (4)

Country	Link
US (2)	US2143750A (fr)
FR (1)	FR861017A (fr)
GB (2)	GB537419A (fr)
NL (1)	NL60310C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2527788A (en) *	1946-08-08	1950-10-31	Graver Tank & Mfg Co	Sludge blanket clarifier with outward and upward recirculation of sludge
US2635757A (en) *	1950-03-16	1953-04-21	Walker Process Equipment Inc	Water clarification apparatus and method
US2678730A (en) *	1951-02-02	1954-05-18	Dorr Co	Flocculation and sedimentation
US3036713A (en) *	1959-04-29	1962-05-29	Dorr Oliver Inc	Combination sewage clarifier thickener
US3362538A (en) *	1966-06-09	1968-01-09	Rex Chainbelt Inc	Flocculating apparatus
CA2009905C (fr) *	1990-02-13	1994-08-30	Michael Langford Malkoski	Pompe a mortier de haute densite
GB2362837A (en) *	2000-03-21	2001-12-05	United Utilities Plc	Sludge clarifier with shear inducing elements
US6461033B2 (en) *	2001-01-08	2002-10-08	Douglas R. Palmer	Portable mixing apparatus

1938
- 1938-10-21 US US236282A patent/US2143750A/en not_active Expired - Lifetime
1939
- 1939-08-09 GB GB23033/39A patent/GB537419A/en not_active Expired
- 1939-09-30 US US29736239 patent/USRE21940E/en not_active Expired
- 1939-10-20 FR FR861017D patent/FR861017A/fr not_active Expired
- 1939-10-21 NL NL95630A patent/NL60310C/xx active
- 1939-10-23 GB GB28484/39A patent/GB537469A/en not_active Expired

Also Published As

Publication number	Publication date
USRE21940E (en)	1941-11-11
GB537469A (en)	1941-06-24
NL60310C (fr)	1947-12-15
GB537419A (en)	1941-06-23
US2143750A (en)	1939-01-10

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