IT1218334B - Impianto per l'eliminazione di impurezze da un liquido mediante flottazione - Google Patents

Impianto per l'eliminazione di impurezze da un liquido mediante flottazione

Info

Publication number: IT1218334B
Authority: IT; Italy
Prior art keywords: air; impurities; admitted; foam; liquid
Prior art date: 1976-04-12

Application number

IT4847683A

Other languages

English (en)

Other versions

IT8348476A0 (it

Inventor

Enar Valentin Hellberg

Original Assignee

Sunds Defibrator

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.)

1976-04-12

Filing date

1983-06-10

Publication date

1990-04-12

1976-04-12 Priority claimed from BE166085A external-priority patent/BE840662A/fr

1983-06-10 Application filed by Sunds Defibrator filed Critical Sunds Defibrator

1983-06-10 Publication of IT8348476A0 publication Critical patent/IT8348476A0/it

1990-04-12 Application granted granted Critical

1990-04-12 Publication of IT1218334B publication Critical patent/IT1218334B/it

Links

239000012535 impurity Substances 0.000 title abstract 2
239000007788 liquid Substances 0.000 title abstract 2
230000008030 elimination Effects 0.000 title 1
238000003379 elimination reaction Methods 0.000 title 1
238000005188 flotation Methods 0.000 title 1
239000006260 foam Substances 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
239000005995 Aluminium silicate Substances 0.000 abstract 1
235000012211 aluminium silicate Nutrition 0.000 abstract 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
238000011084 recovery Methods 0.000 abstract 1
238000004064 recycling Methods 0.000 abstract 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- D21B1/325—Defibrating by other means of waste paper de-inking devices
- D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1418—Flotation machines using centrifugal forces
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1456—Feed mechanisms for the slurry
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1462—Discharge mechanisms for the froth
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1487—Means for cleaning or maintenance
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
- B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
- D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Biotechnology (AREA)
Chemical & Material Sciences (AREA)
Hydrology & Water Resources (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Mechanical Engineering (AREA)
Dispersion Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Wood Science & Technology (AREA)
General Engineering & Computer Science (AREA)
Paper (AREA)
Physical Water Treatments (AREA)
Apparatus Associated With Microorganisms And Enzymes (AREA)

IT4847683A 1976-04-12 1983-06-10 Impianto per l'eliminazione di impurezze da un liquido mediante flottazione IT1218334B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BE166085A BE840662A (fr)	1976-04-12	1976-04-12	Procede et installation pour l'elimination par flottation d'impuretes sous forme de particules solides, contenues dans un liquide

Publications (2)

Publication Number	Publication Date
IT8348476A0 IT8348476A0 (it)	1983-06-10
IT1218334B true IT1218334B (it)	1990-04-12

Family

ID=3842869

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
IT4889477A IT1073184B (it)	1976-04-12	1977-04-08	Procedimento ed impianto per l'eliminazione di impurezze da un liquido mediante flottazione
IT4847683A IT1218334B (it)	1976-04-12	1983-06-10	Impianto per l'eliminazione di impurezze da un liquido mediante flottazione

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
IT4889477A IT1073184B (it)	1976-04-12	1977-04-08	Procedimento ed impianto per l'eliminazione di impurezze da un liquido mediante flottazione

Country Status (13)

Country	Link
JP (2)	JPS52124273A (it)
AT (1)	AT358499B (it)
BR (1)	BR7702266A (it)
CA (1)	CA1096515A (it)
CH (1)	CH614636A5 (it)
DE (2)	DE2712947C2 (it)
ES (1)	ES458029A1 (it)
FI (1)	FI68093C (it)
FR (2)	FR2347984A1 (it)
GB (1)	GB1570345A (it)
IT (2)	IT1073184B (it)
NL (2)	NL180076C (it)
SE (2)	SE425145B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4157952A (en) *	1978-03-24	1979-06-12	Lenox Institute For Research	Apparatus for deinking waste paper pulp
DE2836496C2 (de) *	1978-08-21	1982-05-13	E. & M. Lamort S.A., 51300 Vitry-le-François, Marne	Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen
DE3111506C2 (de) *	1981-03-24	1986-01-09	Bergwerksverband Gmbh, 4300 Essen	Begasungseinrichtung für Flotationsanlagen
DE3127290C2 (de) *	1981-07-10	1986-10-30	J.M. Voith Gmbh, 7920 Heidenheim	Flotationseinrichtung zur Aufbereitung von Altpapier
DE3320125A1 (de) *	1983-06-03	1984-12-06	J.M. Voith Gmbh, 7920 Heidenheim	Verfahren und einrichtung zur aufbereitung von altpapier
US4613430A (en) *	1984-01-30	1986-09-23	Miller Francis G	Froth flotation separation method and apparatus
AU3762285A (en) *	1984-01-30	1985-08-08	Miller, F.G.	Flotation separation apparatus and method
DE3723502A1 (de) *	1987-07-16	1989-01-26	Henkel Kgaa	Verfahren zur flotation von fuellstoffen aus altpapier
DE3918025A1 (de) *	1989-06-02	1990-12-06	Bergwerksverband Gmbh	Flotationsapparat
FR2772399B1 (fr) *	1997-12-15	2000-02-11	Lamort E & M	Procede de desencrage de la pate a papier provenant de papiers recycles
JP4802305B2 (ja) *	2009-07-17	2011-10-26	独立行政法人科学技術振興機構	浮遊分離装置及び方法並びにその利用製品の製造方法
JP6590663B2 (ja) *	2015-11-30	2019-10-16	デュプロ精工株式会社	脱墨装置および古紙再生処理装置
CN112844851B (zh) *	2021-04-07	2025-05-13	张伟晓	一种空气搅拌浮选机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR668406A (fr) *	1928-01-24	1929-10-31	Phosphate Recovery Corp	Perfectionnements au traitement des matières phosphatiques
US1805830A (en) *	1929-05-20	1931-05-19	Mason Charles Dorel	Foam destroyer
US1952727A (en) *	1929-10-26	1934-03-27	United Verde Copper Company	Froth flotation
US2874842A (en) *	1955-04-05	1959-02-24	Krofta Milos	Process and apparatus for waste liquid purification
US3148948A (en) *	1961-12-26	1964-09-15	Dorr Oliver Inc	Cooling and defoaming phosphoric acid slurries
DE1792539A1 (de) *	1968-09-17	1971-11-25	Dr Baer Eberhardt H	Verfahren zur Trennung von emulgierten oder dispergierten Stoffen aus Wasser
AU464321B2 (en) *	1970-10-28	1975-08-07	Aktiengesellschaft Des Altenbergs Furberg Bau Und Zinkhuttenbetrieb	Process and apparatus forthe flotation of fine-grained mixtures of material, particularly of minerals
DE2161015A1 (de) *	1971-12-09	1973-06-20	Escher Wyss Gmbh	Flotiervorrichtung zum reinigen einer faserstoffsuspension durch flotation in der papierindustrie
DE2420482A1 (de) *	1974-04-27	1975-11-13	Bergwerksverband Gmbh	Verfahren und anlage zur flotation

1977
- 1977-03-23 CH CH363277A patent/CH614636A5/xx not_active IP Right Cessation
- 1977-03-24 FR FR7708842A patent/FR2347984A1/fr active Granted
- 1977-03-24 DE DE2712947A patent/DE2712947C2/de not_active Expired
- 1977-03-24 DE DE2760246A patent/DE2760246C2/de not_active Expired
- 1977-03-30 FI FI770993A patent/FI68093C/fi not_active IP Right Cessation
- 1977-04-04 CA CA275,438A patent/CA1096515A/en not_active Expired
- 1977-04-04 NL NL7703627A patent/NL180076C/xx not_active IP Right Cessation
- 1977-04-06 ES ES458029A patent/ES458029A1/es not_active Expired
- 1977-04-07 GB GB14877/77A patent/GB1570345A/en not_active Expired
- 1977-04-08 IT IT4889477A patent/IT1073184B/it active
- 1977-04-08 AT AT247877A patent/AT358499B/de not_active IP Right Cessation
- 1977-04-11 BR BR7702266A patent/BR7702266A/pt unknown
- 1977-04-12 SE SE7704203A patent/SE425145B/sv not_active IP Right Cessation
- 1977-04-12 JP JP4099577A patent/JPS52124273A/ja active Granted
1980
- 1980-11-29 JP JP55169014A patent/JPS6057903B2/ja not_active Expired
1982
- 1982-04-22 SE SE8202540A patent/SE452121B/sv not_active IP Right Cessation
1983
- 1983-04-18 FR FR8306300A patent/FR2544225B1/fr not_active Expired
- 1983-06-10 IT IT4847683A patent/IT1218334B/it active
1986
- 1986-05-09 NL NL8601174A patent/NL8601174A/nl not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPS56161849A (en)	1981-12-12
SE425145B (sv)	1982-09-06
CH614636A5 (en)	1979-12-14
SE8202540L (sv)	1982-04-22
NL180076C (nl)	1987-01-02
BR7702266A (pt)	1977-12-06
DE2712947C2 (de)	1985-10-10
CA1096515A (en)	1981-02-24
GB1570345A (en)	1980-07-02
IT1073184B (it)	1985-04-13
AT358499B (de)	1980-09-10
FR2544225A1 (fr)	1984-10-19
DE2760246C2 (de)	1985-09-12
FR2347984A1 (fr)	1977-11-10
NL7703627A (nl)	1977-10-14
SE452121B (sv)	1987-11-16
NL8601174A (nl)	1986-09-01
ES458029A1 (es)	1978-03-16
JPS5623659B2 (it)	1981-06-01
JPS6057903B2 (ja)	1985-12-17
ATA247877A (de)	1980-02-15
FI770993A7 (it)	1977-10-13
NL180076B (nl)	1986-08-01
FI68093C (fi)	1985-07-10
SE7704203L (sv)	1977-10-13
FI68093B (fi)	1985-03-29
DE2712947A1 (de)	1977-10-20
IT8348476A0 (it)	1983-06-10
JPS52124273A (en)	1977-10-19
FR2544225B1 (fr)	1988-11-18
FR2347984B1 (it)	1983-08-26

Publication	Publication Date	Title
IT1073184B (it)	1985-04-13	Procedimento ed impianto per l'eliminazione di impurezze da un liquido mediante flottazione
ATE35159T1 (de)	1988-07-15	Vorrichtung zum deinken.
ES485488A1 (es)	1980-05-16	Dispositivo para destintar suspensiones de material fibroso
GB896997A (en)	1962-05-23	Improvements in or relating to a method and an apparatus for purifying the unclarified waste water in the paper and pulp and like industries
JPS56118701A (en)	1981-09-17	Method and apparatus for sealing end of hollow yarn
GB799826A (en)	1958-08-13	Improvements in and relating to a process for the purification of sewage
KR900014585A (ko)	1990-10-24	식물의 조직배양방법 및 그 장치 및 대사산물의 생산방법
GB1177776A (en)	1970-01-14	Process and apparatus for Cleansing Contaminated Strips of Water
JPS551808A (en)	1980-01-09	Dissolving method for oxygen in water
GB1413156A (en)	1975-11-05	Apparatus for producing a suspension of fibrous material
JPS57190698A (en)	1982-11-24	Methane fermenting method
JPS5730598A (en)	1982-02-18	Method and apparatus for aeration
JPS5567470A (en)	1980-05-21	Bubble collector
JPS5599335A (en)	1980-07-29	Gas-liquid contact reaction apparatus
JPS5544352A (en)	1980-03-28	Electrodialytic method
JPS54128985A (en)	1979-10-05	Membrane separation method
JPS5529916A (en)	1980-03-03	Production of vinegar through aeration fermentation process
GB691276A (en)	1953-05-06	Method of changing the concentration of solid particles in paper mill waste liquid
GB1520951A (en)	1978-08-09	Process for converting ammonium sulphite to ammonium sulphate
JPS5564804A (en)	1980-05-15	Liquid separating method
FR2347312A1 (fr)	1977-11-04	Station d'epuration pour petites collectivites
JPS52151254A (en)	1977-12-15	Waste water treating device
JPS56136700A (en)	1981-10-26	Water channel water treating device
JPS5325057A (en)	1978-03-08	Process for recoverying water from chromium plating washing waste water
JPS5592189A (en)	1980-07-12	Separating method of separating phenol