FI110580B - Menetelmä kuidun sekä kuitupohjaisen kiintoaineen talteenottamiseksi sekä rasvaliukoisten uuteaineiden erottamiseksi - Google Patents
Menetelmä kuidun sekä kuitupohjaisen kiintoaineen talteenottamiseksi sekä rasvaliukoisten uuteaineiden erottamiseksi Download PDFInfo
- Publication number
- FI110580B FI110580B FI20010967A FI20010967A FI110580B FI 110580 B FI110580 B FI 110580B FI 20010967 A FI20010967 A FI 20010967A FI 20010967 A FI20010967 A FI 20010967A FI 110580 B FI110580 B FI 110580B
- Authority
- FI
- Finland
- Prior art keywords
- fiber
- solids
- recovery
- filtrate
- fat
- Prior art date
Links
- 239000007787 solid Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 70
- 239000000835 fiber Substances 0.000 title claims abstract description 47
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000011084 recovery Methods 0.000 title claims description 43
- 230000008569 process Effects 0.000 title claims description 41
- 239000000463 material Substances 0.000 claims abstract description 6
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract 2
- 239000000706 filtrate Substances 0.000 claims description 44
- 239000000126 substance Substances 0.000 claims description 8
- 238000004061 bleaching Methods 0.000 claims description 7
- 239000008346 aqueous phase Substances 0.000 claims description 6
- 238000004537 pulping Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 31
- 239000002023 wood Substances 0.000 abstract description 6
- 239000000084 colloidal system Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000000284 extract Substances 0.000 description 29
- 230000014759 maintenance of location Effects 0.000 description 18
- 238000001914 filtration Methods 0.000 description 15
- 238000004088 simulation Methods 0.000 description 15
- 238000012216 screening Methods 0.000 description 9
- 238000005406 washing Methods 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 238000010790 dilution Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005188 flotation Methods 0.000 description 3
- 239000012223 aqueous fraction Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 235000007731 Pinus pungens Nutrition 0.000 description 1
- 241000369906 Pinus pungens Species 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000010803 wood ash Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Paper (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Extraction Or Liquid Replacement (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20010967A FI110580B (fi) | 2001-05-09 | 2001-05-09 | Menetelmä kuidun sekä kuitupohjaisen kiintoaineen talteenottamiseksi sekä rasvaliukoisten uuteaineiden erottamiseksi |
| DE60232791T DE60232791D1 (de) | 2001-05-09 | 2002-05-07 | Verfahren und vorrichtung zur rückgewinnung von fasern und faserbasierenden feststoffen aus einem filtrat der mechanischen oder chemomechanischen holzstoffindustrie, welches filtrat sowohl feststoffe als auch lipophiles extraktmaterial enthält |
| CA002446407A CA2446407C (en) | 2001-05-09 | 2002-05-07 | Method and apparatus for recovering fibre and fibre-based solids from a filtrate of the mechanical or chemi-mechanical wood pulp industry, said filtrate containing both solids andlipophilic extractive material |
| EP02722318A EP1392913B1 (de) | 2001-05-09 | 2002-05-07 | Verfahren und vorrichtung zur rückgewinnung von fasern und faserbasierenden feststoffen aus einem filtrat der mechanischen oder chemomechanischen holzstoffindustrie, welches filtrat sowohl feststoffe als auch lipophiles extraktmaterial enthält |
| PCT/FI2002/000391 WO2002090647A1 (en) | 2001-05-09 | 2002-05-07 | Method and apparatus for recovering fibre and fibre-based solids from filtrates containing both solids and liposoluble extractive agents of mechanical or chemi-mechanical pulp industry |
| AT02722318T ATE435328T1 (de) | 2001-05-09 | 2002-05-07 | Verfahren und vorrichtung zur rückgewinnung von fasern und faserbasierenden feststoffen aus einem filtrat der mechanischen oder chemomechanischen holzstoffindustrie, welches filtrat sowohl feststoffe als auch lipophiles extraktmaterial enthält |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20010967 | 2001-05-09 | ||
| FI20010967A FI110580B (fi) | 2001-05-09 | 2001-05-09 | Menetelmä kuidun sekä kuitupohjaisen kiintoaineen talteenottamiseksi sekä rasvaliukoisten uuteaineiden erottamiseksi |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20010967A0 FI20010967A0 (fi) | 2001-05-09 |
| FI20010967L FI20010967L (fi) | 2002-11-10 |
| FI110580B true FI110580B (fi) | 2003-02-28 |
Family
ID=8561155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20010967A FI110580B (fi) | 2001-05-09 | 2001-05-09 | Menetelmä kuidun sekä kuitupohjaisen kiintoaineen talteenottamiseksi sekä rasvaliukoisten uuteaineiden erottamiseksi |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1392913B1 (de) |
| AT (1) | ATE435328T1 (de) |
| CA (1) | CA2446407C (de) |
| DE (1) | DE60232791D1 (de) |
| FI (1) | FI110580B (de) |
| WO (1) | WO2002090647A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392381B (zh) * | 2011-08-02 | 2013-09-25 | 华南理工大学 | 一种化机浆废液碱回收预处理方法 |
| AR122640A1 (es) | 2020-06-17 | 2022-09-28 | Suzano Sa | Método para tratar un condensado en un proceso de fabricación de pulpa |
| FI20215862A1 (en) * | 2021-08-17 | 2023-02-18 | Metsae Board Oyj | Process, uses thereof, pulp composition and system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD223479A1 (de) * | 1984-04-12 | 1985-06-12 | Zellstoff U Papierfabrik Rosen | Verfahren zur mechanischen entharzung von sulfitzellstoff |
| FI81396C (fi) * | 1988-10-25 | 1990-10-10 | Enso Gutzeit Oy | Foerfarande foer behandling av avfallsvatten fraon traefoeraedlingsindustrins massaframstaellningsprocesser. |
| US5321898A (en) * | 1992-06-19 | 1994-06-21 | Decanter Machine, Inc. | Centrifugal screen bowl dryer |
| US5468396A (en) * | 1994-03-16 | 1995-11-21 | Pulp And Paper Research Institute Of Canada | Centrifugal cleaning of pulp and paper process liquids |
-
2001
- 2001-05-09 FI FI20010967A patent/FI110580B/fi not_active IP Right Cessation
-
2002
- 2002-05-07 AT AT02722318T patent/ATE435328T1/de not_active IP Right Cessation
- 2002-05-07 WO PCT/FI2002/000391 patent/WO2002090647A1/en not_active Ceased
- 2002-05-07 DE DE60232791T patent/DE60232791D1/de not_active Expired - Lifetime
- 2002-05-07 EP EP02722318A patent/EP1392913B1/de not_active Expired - Lifetime
- 2002-05-07 CA CA002446407A patent/CA2446407C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FI20010967A0 (fi) | 2001-05-09 |
| DE60232791D1 (de) | 2009-08-13 |
| CA2446407C (en) | 2010-01-12 |
| ATE435328T1 (de) | 2009-07-15 |
| EP1392913A1 (de) | 2004-03-03 |
| EP1392913B1 (de) | 2009-07-01 |
| CA2446407A1 (en) | 2002-11-14 |
| WO2002090647A1 (en) | 2002-11-14 |
| FI20010967L (fi) | 2002-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Nuortila-Jokinen et al. | Comparison of membrane separation processes in the internal purification of paper mill water | |
| Chen et al. | Application of Ultrafiltration in a Paper Mill: Process Water Reuse and Membrane Fouling Analysis. | |
| FI110580B (fi) | Menetelmä kuidun sekä kuitupohjaisen kiintoaineen talteenottamiseksi sekä rasvaliukoisten uuteaineiden erottamiseksi | |
| US7718075B2 (en) | Method for improving the consolidation and dewatering of suspended particulate matter | |
| US5468396A (en) | Centrifugal cleaning of pulp and paper process liquids | |
| CN112499807A (zh) | 一种抄造废水中香气组分的回收方法、由其形成的截留浓缩液及其用途 | |
| CA3035614C (en) | Process for isolation of hemicelluloses from biomass pulping process waters or spent liquors | |
| CA2184284C (en) | Clarifying and/or filtering of green liquor and an apparatus therefor | |
| JP2018502231A (ja) | プラントレイアウトおよび脱墨方法 | |
| JP4672227B2 (ja) | 低コンシステンシーな水−繊維懸濁液の脱水方法 | |
| AU750899B2 (en) | Screening of fibrous suspensions | |
| EP4399360B1 (de) | Verfahren zur behandlung eines faserrohstoffes | |
| FI127860B (en) | Method and system for reducing phosphorus from waste water or filtrate | |
| JP2003517916A (ja) | 処理プラントの水循環系への新水の使用量を最小化させる方法 | |
| CN101498110A (zh) | 处理纸浆的方法和装置 | |
| EP1563138A1 (de) | Verfahren und anordnungzur herstellung von holzstoff | |
| Chabot et al. | Coagulation pretreatment for ultrafiltration of deinking effluents containing flexographic inks | |
| CN101072912A (zh) | 用离心净化器使回用纸脱墨的方法 | |
| JPH0681287A (ja) | パルプ中の軽量異物除去方法 | |
| SE440095B (sv) | Sett vid tillverkning av stark mekanisk och kemimekanisk massa |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC | Transfer of assignment of patent |
Owner name: ANDRITZ AG Free format text: ANDRITZ AG |
|
| MM | Patent lapsed |