SE504424C2 - Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska - Google Patents
Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätskaInfo
- Publication number
- SE504424C2 SE504424C2 SE9403779A SE9403779A SE504424C2 SE 504424 C2 SE504424 C2 SE 504424C2 SE 9403779 A SE9403779 A SE 9403779A SE 9403779 A SE9403779 A SE 9403779A SE 504424 C2 SE504424 C2 SE 504424C2
- Authority
- SE
- Sweden
- Prior art keywords
- liquor
- metals
- bleaching
- calcium
- precipitate
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 title claims description 11
- 229910052784 alkaline earth metal Inorganic materials 0.000 title claims description 10
- 150000001342 alkaline earth metals Chemical class 0.000 title claims description 10
- 229910052723 transition metal Inorganic materials 0.000 title claims description 8
- 150000003624 transition metals Chemical class 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 150000002739 metals Chemical class 0.000 claims abstract description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000001556 precipitation Methods 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 19
- 229910052791 calcium Inorganic materials 0.000 claims description 19
- 239000011575 calcium Substances 0.000 claims description 19
- 239000002244 precipitate Substances 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000536 complexating effect Effects 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003929 acidic solution Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 239000000706 filtrate Substances 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000013522 chelant Substances 0.000 abstract 4
- 239000002738 chelating agent Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 18
- 239000011230 binding agent Substances 0.000 description 15
- 238000001704 evaporation Methods 0.000 description 12
- 230000008020 evaporation Effects 0.000 description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000007844 bleaching agent Substances 0.000 description 4
- 235000011132 calcium sulphate Nutrition 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- -1 oxalate ions Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 2
- 239000001175 calcium sulphate Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
-
- 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
- Paper (AREA)
- Removal Of Specific Substances (AREA)
- Detergent Compositions (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403779A SE504424C2 (sv) | 1994-11-04 | 1994-11-04 | Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska |
| DE69519441T DE69519441T2 (de) | 1994-11-04 | 1995-10-31 | Verfahren zur abscheidung von übergangsmetallen und erdalkalimetallen aus bleichabwässern |
| PCT/SE1995/001281 WO1996014467A1 (en) | 1994-11-04 | 1995-10-31 | Method of precipitating transition metals and alkaline earth metals from bleach plant effluents |
| CA002203392A CA2203392A1 (en) | 1994-11-04 | 1995-10-31 | Method of precipitating transition metals and alkaline earth metals from bleach plant effluents |
| BR9509570A BR9509570A (pt) | 1994-11-04 | 1995-10-31 | Processo para precipitação de metais de transição e/ou metais alcalinos terrosos de licor esgotado de seção de branqueamento |
| AT95936828T ATE197614T1 (de) | 1994-11-04 | 1995-10-31 | Verfahren zur abscheidung von übergangsmetallen und erdalkalimetallen aus bleichabwässern |
| ES95936828T ES2153904T3 (es) | 1994-11-04 | 1995-10-31 | Procedimiento para precipitar metales de transicion y metales alcalinoterreos de efluentes de una instalacion de blanqueo. |
| EP95936828A EP0803008B1 (de) | 1994-11-04 | 1995-10-31 | Verfahren zur abscheidung von übergangsmetallen und erdalkalimetallen aus bleichabwässern |
| PT95936828T PT803008E (pt) | 1994-11-04 | 1995-10-31 | Metodo para precipitar metais de transicao e metais alcalino-terrosos a partir de efluentes de uma instalacao de branqueamento |
| US08/850,737 US6024833A (en) | 1994-11-04 | 1997-05-02 | Process for removing metals and recovering a chelating agent from a bleach plant waste liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9403779A SE504424C2 (sv) | 1994-11-04 | 1994-11-04 | Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9403779D0 SE9403779D0 (sv) | 1994-11-04 |
| SE9403779L SE9403779L (sv) | 1996-05-05 |
| SE504424C2 true SE504424C2 (sv) | 1997-02-10 |
Family
ID=20395847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9403779A SE504424C2 (sv) | 1994-11-04 | 1994-11-04 | Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6024833A (de) |
| EP (1) | EP0803008B1 (de) |
| AT (1) | ATE197614T1 (de) |
| BR (1) | BR9509570A (de) |
| CA (1) | CA2203392A1 (de) |
| DE (1) | DE69519441T2 (de) |
| ES (1) | ES2153904T3 (de) |
| PT (1) | PT803008E (de) |
| SE (1) | SE504424C2 (de) |
| WO (1) | WO1996014467A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290812B1 (en) | 1998-03-02 | 2001-09-18 | Kemira Kemi Ab | Method for treating process water in connection with pulp bleaching |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9603029D0 (sv) * | 1996-08-20 | 1996-08-20 | Svenska Traeforskningsinst | Method for lowering the level of oxalic acid |
| SE511794C2 (sv) * | 1997-06-30 | 1999-11-29 | Sunds Defibrator Ind Ab | Sätt att reducera halten kalcium i vätskefasen i en pappersmassasuspension |
| SE522436C2 (sv) | 1998-05-26 | 2004-02-10 | Andritz Oy | Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i en flerstegsindunstningsanläggning för svartlut och blekeriutsläpp |
| US20070000628A1 (en) * | 2005-06-30 | 2007-01-04 | Sealey James E Ii | Method for removal of metals from a bleach plant filtrate stream |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE417114B (sv) * | 1977-07-25 | 1981-02-23 | Mo Och Domsjoe Ab | Forfarande for forebyggande av inkrustbildning i cellulosafabriker |
| DE2834259A1 (de) * | 1978-08-04 | 1980-02-28 | Dsi Sportartikel | Skistockklammer |
| DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
| AT395028B (de) * | 1990-02-07 | 1992-08-25 | Chemiefaser Lenzing Ag | Verfahren zum chlorfreien bleichen von kunstfaserzellstoff |
| US5509999A (en) * | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
| SE9301161L (sv) * | 1993-04-07 | 1994-10-08 | Sunds Defibrator Ind Ab | Förfarande för behandling av processvatten |
| SE501613C2 (sv) * | 1993-08-03 | 1995-03-27 | Kvaerner Pulping Tech | Sätt vid integrering av blekning och återvinning vid framställning av massa |
-
1994
- 1994-11-04 SE SE9403779A patent/SE504424C2/sv not_active IP Right Cessation
-
1995
- 1995-10-31 DE DE69519441T patent/DE69519441T2/de not_active Expired - Lifetime
- 1995-10-31 AT AT95936828T patent/ATE197614T1/de active
- 1995-10-31 EP EP95936828A patent/EP0803008B1/de not_active Expired - Lifetime
- 1995-10-31 ES ES95936828T patent/ES2153904T3/es not_active Expired - Lifetime
- 1995-10-31 BR BR9509570A patent/BR9509570A/pt not_active Application Discontinuation
- 1995-10-31 PT PT95936828T patent/PT803008E/pt unknown
- 1995-10-31 CA CA002203392A patent/CA2203392A1/en not_active Abandoned
- 1995-10-31 WO PCT/SE1995/001281 patent/WO1996014467A1/en active IP Right Grant
-
1997
- 1997-05-02 US US08/850,737 patent/US6024833A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6290812B1 (en) | 1998-03-02 | 2001-09-18 | Kemira Kemi Ab | Method for treating process water in connection with pulp bleaching |
Also Published As
| Publication number | Publication date |
|---|---|
| DE69519441D1 (de) | 2000-12-21 |
| DE69519441T2 (de) | 2001-06-21 |
| US6024833A (en) | 2000-02-15 |
| EP0803008B1 (de) | 2000-11-15 |
| BR9509570A (pt) | 1997-09-16 |
| CA2203392A1 (en) | 1996-05-17 |
| ATE197614T1 (de) | 2000-12-15 |
| WO1996014467A1 (en) | 1996-05-17 |
| EP0803008A1 (de) | 1997-10-29 |
| ES2153904T3 (es) | 2001-03-16 |
| SE9403779L (sv) | 1996-05-05 |
| PT803008E (pt) | 2001-04-30 |
| SE9403779D0 (sv) | 1994-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |