DE2861671D1 - Flotation plant and process for fibre recovery and liquid clarification, particularly for paper mill effluents - Google Patents
Flotation plant and process for fibre recovery and liquid clarification, particularly for paper mill effluentsInfo
- Publication number
- DE2861671D1 DE2861671D1 DE7878100947T DE2861671T DE2861671D1 DE 2861671 D1 DE2861671 D1 DE 2861671D1 DE 7878100947 T DE7878100947 T DE 7878100947T DE 2861671 T DE2861671 T DE 2861671T DE 2861671 D1 DE2861671 D1 DE 2861671D1
- Authority
- DE
- Germany
- Prior art keywords
- paper mill
- flotation plant
- liquid clarification
- fibre recovery
- mill effluents
- Prior art date
- 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
Links
Classifications
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
- B03B5/58—Bowl classifiers
-
- 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
- B03D1/1443—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
- B03D1/1493—Flotation machines with means for establishing a specified flow pattern
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8363577A IT1117836B (en) | 1977-09-26 | 1977-09-26 | PROCEDURE AND PLANT FOR THE RECOVERY OF FIBERS IN CIRCULAR FLOTATION PLANTS WITH MOBILE CREW CREW |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2861671D1 true DE2861671D1 (en) | 1982-04-15 |
Family
ID=11323467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7878100947T Expired DE2861671D1 (en) | 1977-09-26 | 1978-09-21 | Flotation plant and process for fibre recovery and liquid clarification, particularly for paper mill effluents |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0001418B2 (en) |
DE (1) | DE2861671D1 (en) |
IT (1) | IT1117836B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3525788A1 (en) * | 1985-06-24 | 1987-01-02 | Escher Wyss Gmbh | Method and arrangement for controlling the addition of chemicals for flocculating flocculable substances in suspensions, especially for purifying the backwater of de-inking installations |
US7258788B2 (en) * | 2004-03-12 | 2007-08-21 | Noram Engineering And Constructors Ltd. | Circular clarifier apparatus and method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE288462C (en) * | ||||
FR651286A (en) * | 1927-12-05 | 1929-02-16 | Automatic and rotary washer, separator, float for the purification of ores or heterogeneous products | |
US2888139A (en) * | 1955-04-25 | 1959-05-26 | Dorr Oliver Inc | Combination flotation-settling unit |
FR2296464A1 (en) * | 1974-12-30 | 1976-07-30 | Saint Gobain Techn Nouvelles | FLOTATION KIT, ESPECIALLY FOR THE TREATMENT OF WASTE WATER |
-
1977
- 1977-09-26 IT IT8363577A patent/IT1117836B/en active
-
1978
- 1978-09-21 DE DE7878100947T patent/DE2861671D1/en not_active Expired
- 1978-09-21 EP EP19780100947 patent/EP0001418B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0001418B1 (en) | 1982-03-17 |
EP0001418A1 (en) | 1979-04-18 |
IT1117836B (en) | 1986-02-24 |
EP0001418B2 (en) | 1987-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8366 | Restricted maintained after opposition proceedings | ||
8339 | Ceased/non-payment of the annual fee |