AT353710B - METHOD OF DOSING LIME IN WASTE WATER - Google Patents

METHOD OF DOSING LIME IN WASTE WATER

Info

Publication number: AT353710B
Authority: AT; Austria
Prior art keywords: waste water; lime; dosing; dosing lime; waste
Prior art date: 1976-07-12

Application number

AT497277A

Other languages

German (de)

Other versions

ATA497277A (en

Original Assignee

Henrikson Stig Arvid

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.)

1976-07-12

Filing date

1977-07-11

Publication date

1979-11-26

1977-07-11 Application filed by Henrikson Stig Arvid filed Critical Henrikson Stig Arvid

1979-04-15 Publication of ATA497277A publication Critical patent/ATA497277A/en

1979-11-26 Application granted granted Critical

1979-11-26 Publication of AT353710B publication Critical patent/AT353710B/en

Classifications

- 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
- C02F1/529—Processes or devices for preparing lime water
- 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
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0045—Plurality of essentially parallel plates
- 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
- B01D21/08—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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/15—Dissolving comprising constructions for blocking or redispersing undissolved solids, e.g. sieves, separators or guiding constructions
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/20—Dissolving using flow mixing
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/50—Elements used for separating or keeping undissolved material in the mixer
- B01F21/502—Baffles

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Detergent Compositions (AREA)
External Artificial Organs (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)

AT497277A 1976-07-12 1977-07-11 METHOD OF DOSING LIME IN WASTE WATER AT353710B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7607957A SE411519B (en)	1976-07-12	1976-07-12	PROCEDURE FOR DOSING LALK TO THE WASTE WATER, WHEN A Lime SLIMM IS CREATED AND PROVIDED BY A LAMELY DIMENSION DEVICE BEFORE SETTING THE WASTE WATER

Publications (2)

Publication Number	Publication Date
ATA497277A ATA497277A (en)	1979-04-15
AT353710B true AT353710B (en)	1979-11-26

Family

ID=20328456

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT497277A AT353710B (en)	1976-07-12	1977-07-11	METHOD OF DOSING LIME IN WASTE WATER

Country Status (10)

Country	Link
AT (1)	AT353710B (en)
CA (1)	CA1100383A (en)
CH (1)	CH631686A5 (en)
DE (1)	DE2731271C2 (en)
ES (1)	ES460625A1 (en)
FI (1)	FI64745C (en)
GB (1)	GB1541531A (en)
GR (1)	GR63591B (en)
NO (1)	NO145003C (en)
SE (1)	SE411519B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1315703C (en) *	1989-09-29	1993-04-06	Robert Cyr	Apparatus for the decantation treatment of liquid containing therein suspended material
ES2066727B1 (en) *	1993-06-04	1995-10-16	Compania Depuradora De Aguas R	PROCEDURE AND INSTALLATION OF WASTEWATER TREATMENT IN PHYSICOCHEMICAL TREATMENT PLANTS.
FR2816937B1 (en) *	2000-11-17	2003-08-15	Omnium Traitement Valorisa	PROCESS FOR PRODUCING LIME WATER USING A LIME SLURRY BED SATURATOR USING AT LEAST ONE FLOCCULATING AGENT

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1517478A1 (en) *	1961-08-02	1969-08-28	Pintsch Bamag Ag	Plant for the production of clear, evenly saturated lime water
FR2132954A5 (en) *	1971-04-02	1972-11-24	Degremont

1976
- 1976-07-12 SE SE7607957A patent/SE411519B/en not_active IP Right Cessation
1977
- 1977-07-06 NO NO772399A patent/NO145003C/en unknown
- 1977-07-07 FI FI772135A patent/FI64745C/en not_active IP Right Cessation
- 1977-07-08 CA CA282,323A patent/CA1100383A/en not_active Expired
- 1977-07-08 GR GR53921A patent/GR63591B/en unknown
- 1977-07-11 AT AT497277A patent/AT353710B/en not_active IP Right Cessation
- 1977-07-11 CH CH864977A patent/CH631686A5/en not_active IP Right Cessation
- 1977-07-11 ES ES460625A patent/ES460625A1/en not_active Expired
- 1977-07-11 DE DE2731271A patent/DE2731271C2/en not_active Expired
- 1977-07-11 GB GB28953/77A patent/GB1541531A/en not_active Expired

Also Published As

Publication number	Publication date
GB1541531A (en)	1979-03-07
SE411519B (en)	1980-01-14
DE2731271A1 (en)	1978-01-19
GR63591B (en)	1979-11-26
FI64745B (en)	1983-09-30
CH631686A5 (en)	1982-08-31
DE2731271C2 (en)	1986-03-27
NO145003C (en)	1981-12-28
FI772135A (en)	1978-01-13
NO145003B (en)	1981-09-14
CA1100383A (en)	1981-05-05
ATA497277A (en)	1979-04-15
NO772399L (en)	1978-01-13
SE7607957L (en)	1978-01-13
FI64745C (en)	1984-01-10
ES460625A1 (en)	1978-05-16

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Legal Events

Date	Code	Title	Description
1992-01-15	ELJ	Ceased due to non-payment of the annual fee