DK142841B - Apparat til biologisk rensning af spildevand, omfattende en rotor med horisontal aksel. - Google Patents

Apparat til biologisk rensning af spildevand, omfattende en rotor med horisontal aksel. Download PDF

Info

Publication number: DK142841B
Authority: DK; Denmark
Prior art keywords: rotor; vanes; treatment apparatus; wastewater treatment; horizontal shaft
Prior art date: 1971-03-22

Application number

DK129572AA

Other languages

Danish (da)

English (en)

Other versions

DK142841C (it

Inventor

Jean-Michel Pierre Jacqu Catry

Original Assignee

Girejan Soc Civ Ile

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.)

1971-03-22

Filing date

1972-03-20

Publication date

1981-02-09

1971-03-22 Priority claimed from FR7109966A external-priority patent/FR2130820A5/fr

1971-12-15 Priority claimed from FR7145103A external-priority patent/FR2165050A6/fr

1972-03-20 Application filed by Girejan Soc Civ Ile filed Critical Girejan Soc Civ Ile

1981-02-09 Publication of DK142841B publication Critical patent/DK142841B/da

1981-09-28 Application granted granted Critical

1981-09-28 Publication of DK142841C publication Critical patent/DK142841C/da

Links

238000004065 wastewater treatment Methods 0.000 title 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
239000002351 wastewater Substances 0.000 description 12
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
239000001301 oxygen Substances 0.000 description 3
238000003466 welding Methods 0.000 description 3
238000005265 energy consumption Methods 0.000 description 2
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
238000007654 immersion Methods 0.000 description 1
239000002184 metal Substances 0.000 description 1
238000000465 moulding Methods 0.000 description 1
238000003756 stirring Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
- C02F3/18—Activated sludge processes using surface aeration the aerator having a horizontal axis
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
- B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Biodiversity & Conservation Biology (AREA)
Microbiology (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Mixers Of The Rotary Stirring Type (AREA)

DK129572AA 1971-03-22 1972-03-20 Apparat til biologisk rensning af spildevand, omfattende en rotor med horisontal aksel. DK142841B (da)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
FR7109966A FR2130820A5 (en)	1971-03-22	1971-03-22	Aerator/circulator - for activated sludge effluent treatment plant
FR7109966		1971-03-22
FR7145103		1971-12-15
FR7145103A FR2165050A6 (en)	1971-12-15	1971-12-15	Aerator/circulator - for activated sludge effluent treatment plant

Publications (2)

Publication Number	Publication Date
DK142841B true DK142841B (da)	1981-02-09
DK142841C DK142841C (it)	1981-09-28

Family

ID=26216278

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK129572AA DK142841B (da)	1971-03-22	1972-03-20	Apparat til biologisk rensning af spildevand, omfattende en rotor med horisontal aksel.

Country Status (8)

Country	Link
BE (1)	BE780951A (it)
CA (1)	CA957441A (it)
DE (1)	DE2212126A1 (it)
DK (1)	DK142841B (it)
GB (1)	GB1385358A (it)
IT (1)	IT953945B (it)
LU (1)	LU64999A1 (it)
NL (1)	NL7203754A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4437386A1 (de) *	1994-10-19	1996-04-25	Passavant Werke	Verfahren und Umlaufbecken für die Langzeitbelüftung von im Belebungsverfahren gereinigtem Abwasser

1972
- 1972-03-09 IT IT6774272A patent/IT953945B/it active
- 1972-03-13 DE DE19722212126 patent/DE2212126A1/de active Pending
- 1972-03-20 DK DK129572AA patent/DK142841B/da not_active IP Right Cessation
- 1972-03-20 LU LU64999D patent/LU64999A1/xx unknown
- 1972-03-20 CA CA137,581*7A patent/CA957441A/en not_active Expired
- 1972-03-20 BE BE780951A patent/BE780951A/xx not_active IP Right Cessation
- 1972-03-21 NL NL7203754A patent/NL7203754A/xx unknown
- 1972-03-22 GB GB1334872A patent/GB1385358A/en not_active Expired

Also Published As

Publication number	Publication date
BE780951A (fr)	1972-07-17
LU64999A1 (it)	1972-07-10
DE2212126A1 (de)	1972-10-12
GB1385358A (en)	1975-02-26
CA957441A (en)	1974-11-05
DK142841C (it)	1981-09-28
NL7203754A (it)	1972-09-26
IT953945B (it)	1973-08-10

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Legal Events

Date	Code	Title	Description
1988-03-07	PBP	Patent lapsed