ZA978953B - Separation of solids from aqueous suspensions - Google Patents
Separation of solids from aqueous suspensionsInfo
- Publication number
- ZA978953B ZA978953B ZA978953A ZA978953A ZA978953B ZA 978953 B ZA978953 B ZA 978953B ZA 978953 A ZA978953 A ZA 978953A ZA 978953 A ZA978953 A ZA 978953A ZA 978953 B ZA978953 B ZA 978953B
- Authority
- ZA
- South Africa
- Prior art keywords
- fibers
- separation
- solids
- fines
- cellulosic
- Prior art date
Links
- 238000000926 separation method Methods 0.000 title abstract 2
- 239000007900 aqueous suspension Substances 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- 239000000835 fiber Substances 0.000 abstract 3
- 230000002209 hydrophobic effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 238000005188 flotation Methods 0.000 abstract 1
- 238000012216 screening 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Physical Water Treatments (AREA)
- Drying Of Solid Materials (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Filtering Materials (AREA)
- Centrifugal Separators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9620887A GB9620887D0 (en) | 1996-10-07 | 1996-10-07 | Separation of solids from aqueous suspensions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA978953B true ZA978953B (en) | 1998-10-07 |
Family
ID=10801066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA978953A ZA978953B (en) | 1996-10-07 | 1997-10-07 | Separation of solids from aqueous suspensions |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6248207B1 (xx) |
| EP (1) | EP0929713B1 (xx) |
| JP (1) | JP2001501686A (xx) |
| AT (1) | ATE203290T1 (xx) |
| AU (1) | AU715318B2 (xx) |
| CA (1) | CA2267250A1 (xx) |
| DE (1) | DE69705729T2 (xx) |
| DK (1) | DK0929713T3 (xx) |
| ES (1) | ES2162684T3 (xx) |
| GB (1) | GB9620887D0 (xx) |
| ID (1) | ID22165A (xx) |
| NO (1) | NO991614D0 (xx) |
| PT (1) | PT929713E (xx) |
| WO (1) | WO1998015686A1 (xx) |
| ZA (1) | ZA978953B (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0217197D0 (en) * | 2002-07-24 | 2002-09-04 | Dow Corning | Method of deinking |
| JP4606923B2 (ja) * | 2005-03-31 | 2011-01-05 | 日本製紙株式会社 | 工程用水の処理方法、並びにパルプ、紙の製造方法 |
| RU2401897C2 (ru) | 2005-02-09 | 2010-10-20 | Ниппон Пейпер Индастриз Ко., Лтд. | Способ размола целлюлозной массы |
| DE102006057861A1 (de) * | 2006-12-08 | 2008-06-12 | Voith Patent Gmbh | Verfahren zur Behandlung von beim Eindicken von Papierfasersuspension anfallendem Filtrat |
| ES2502528T3 (es) | 2009-06-15 | 2014-10-03 | Meri Environmental Solutions Gmbh | Instalación y procedimiento para el tratamiento de agua de proceso con separación por separado de gases y sólido |
| RU2430886C1 (ru) * | 2010-03-04 | 2011-10-10 | Наталья Геральдовна Чистова | Способ и система для улавливания древесного волокна из сточных промышленных вод производства древесно-волокнистых плит |
| SE543048C2 (en) | 2018-12-19 | 2020-09-29 | Re Newcell Ab | A method for separating cellulosic fibers from non-cellulosic fibers |
| FI20236423A1 (en) | 2023-12-22 | 2025-06-23 | Owatec Group Oy | Method and device for recovering cellulose fibers from industrial wastewater |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4034054C1 (xx) * | 1990-10-26 | 1992-04-02 | Feldmuehle Ag, 4000 Duesseldorf, De | |
| DE4130472C2 (de) | 1991-09-13 | 1995-05-11 | Escher Wyss Gmbh | Verfahren und Vorrichtung zur Behandlung einer Faserstoffsuspension |
| US5415733A (en) * | 1993-05-27 | 1995-05-16 | High Point Chemical Corp. | Method of removing hydrophilic ink |
| DE19520494C2 (de) * | 1995-02-14 | 1998-07-16 | Julia Innotec Gmbh | Verfahren zum Wiedergewinnen von Fasern und Fraktionieranlage für eine Papierfabrik |
-
1996
- 1996-10-07 GB GB9620887A patent/GB9620887D0/en active Pending
-
1997
- 1997-10-07 PT PT97944016T patent/PT929713E/pt unknown
- 1997-10-07 ES ES97944016T patent/ES2162684T3/es not_active Expired - Lifetime
- 1997-10-07 DE DE69705729T patent/DE69705729T2/de not_active Expired - Fee Related
- 1997-10-07 AU AU45661/97A patent/AU715318B2/en not_active Ceased
- 1997-10-07 DK DK97944016T patent/DK0929713T3/da active
- 1997-10-07 JP JP51729898A patent/JP2001501686A/ja active Pending
- 1997-10-07 EP EP97944016A patent/EP0929713B1/en not_active Expired - Lifetime
- 1997-10-07 WO PCT/GB1997/002732 patent/WO1998015686A1/en not_active Ceased
- 1997-10-07 CA CA 2267250 patent/CA2267250A1/en not_active Abandoned
- 1997-10-07 AT AT97944016T patent/ATE203290T1/de not_active IP Right Cessation
- 1997-10-07 ZA ZA978953A patent/ZA978953B/xx unknown
- 1997-10-07 US US09/254,950 patent/US6248207B1/en not_active Expired - Fee Related
- 1997-10-07 ID ID990157A patent/ID22165A/id unknown
-
1999
- 1999-04-06 NO NO991614A patent/NO991614D0/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998015686A1 (en) | 1998-04-16 |
| AU715318B2 (en) | 2000-01-20 |
| ES2162684T3 (es) | 2002-01-01 |
| CA2267250A1 (en) | 1998-04-16 |
| NO991614L (no) | 1999-04-06 |
| DK0929713T3 (da) | 2001-10-22 |
| DE69705729D1 (de) | 2001-08-23 |
| NO991614D0 (no) | 1999-04-06 |
| EP0929713A1 (en) | 1999-07-21 |
| ID22165A (id) | 1999-09-09 |
| AU4566197A (en) | 1998-05-05 |
| DE69705729T2 (de) | 2002-05-08 |
| US6248207B1 (en) | 2001-06-19 |
| ATE203290T1 (de) | 2001-08-15 |
| GB9620887D0 (en) | 1996-11-27 |
| EP0929713B1 (en) | 2001-07-18 |
| PT929713E (pt) | 2001-12-28 |
| JP2001501686A (ja) | 2001-02-06 |
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