DE3107447C2 - Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge - Google Patents
Verfahren zum Entfernen von Kieselsäure aus SchwarzlaugeInfo
- Publication number
- DE3107447C2 DE3107447C2 DE3107447A DE3107447A DE3107447C2 DE 3107447 C2 DE3107447 C2 DE 3107447C2 DE 3107447 A DE3107447 A DE 3107447A DE 3107447 A DE3107447 A DE 3107447A DE 3107447 C2 DE3107447 C2 DE 3107447C2
- Authority
- DE
- Germany
- Prior art keywords
- black liquor
- sludge
- silica
- sio
- gel
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 6
- 230000029087 digestion Effects 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 25
- 238000006386 neutralization reaction Methods 0.000 abstract description 8
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005119 centrifugation Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 238000000926 separation method Methods 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 235000013312 flour Nutrition 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 5
- 239000000499 gel Substances 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000010428 baryte Substances 0.000 description 2
- 229910052601 baryte Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 238000008947 Amm Methods 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 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 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- -1 sulphite ions Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000003643 water by type Substances 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Paper (AREA)
- Treatment Of Sludge (AREA)
- Silicon Compounds (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3107447A DE3107447C2 (de) | 1981-02-27 | 1981-02-27 | Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge |
| DE8282900800T DE3272068D1 (en) | 1981-02-27 | 1982-02-26 | Process for purifying black lye by elimination of silicic acid |
| AT82900800T ATE20920T1 (de) | 1981-02-27 | 1982-02-26 | Verfahren zur entfernung von kieselsaeure aus schwarzlauge. |
| EP82900800A EP0072844B1 (de) | 1981-02-27 | 1982-02-26 | Verfahren zur entfernung von kieselsäure aus schwarzlauge |
| PCT/EP1982/000040 WO1982002909A1 (en) | 1981-02-27 | 1982-02-26 | Process for purifying black lye by elimination of silicic acid |
| FI823543A FI823543A7 (fi) | 1981-02-27 | 1982-02-26 | Menetelmä piihapon poistamiseksi mustalipeästä. |
| JP57500968A JPS58500719A (ja) | 1981-02-27 | 1982-02-26 | 黒液からケイ酸を除去する方法 |
| FR8203275A FR2500858A1 (fr) | 1981-02-27 | 1982-02-26 | Procede pour eliminer sous forme de boue la silice d'une lessive noire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3107447A DE3107447C2 (de) | 1981-02-27 | 1981-02-27 | Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3107447A1 DE3107447A1 (de) | 1982-09-16 |
| DE3107447C2 true DE3107447C2 (de) | 1985-08-29 |
Family
ID=6125928
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3107447A Expired DE3107447C2 (de) | 1981-02-27 | 1981-02-27 | Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge |
| DE8282900800T Expired DE3272068D1 (en) | 1981-02-27 | 1982-02-26 | Process for purifying black lye by elimination of silicic acid |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8282900800T Expired DE3272068D1 (en) | 1981-02-27 | 1982-02-26 | Process for purifying black lye by elimination of silicic acid |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0072844B1 (https=) |
| JP (1) | JPS58500719A (https=) |
| DE (2) | DE3107447C2 (https=) |
| FR (1) | FR2500858A1 (https=) |
| WO (1) | WO1982002909A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2600054B1 (fr) * | 1986-06-11 | 1988-10-21 | Technip Cie | Procede et installation de separation de la silice contenue dans les liqueurs noires residuaires de la fabrication de pate a papier |
| AT393284B (de) * | 1989-12-01 | 1991-09-25 | Waagner Biro Ag | Verfahren zur entkieselung der ablauge |
| FI104335B1 (fi) * | 1997-10-13 | 1999-12-31 | Poeyry Jaakko & Co Oy | Menetelmä alkalin ja energian talteenottamiseksi silikaattipitoisesta mustalipeästä |
| WO2005024125A1 (en) * | 2003-09-08 | 2005-03-17 | Alberta Research Council Inc. | Chemimechanical desilication of nonwood plant materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1606338A (en) * | 1921-05-19 | 1926-11-09 | Bradley Mckeefe Corp | Treatment of black liquor |
| GB548280A (en) * | 1941-02-28 | 1942-10-05 | Arthur Baker | Improvements in and relating to the production of cellulose |
| FR1112129A (fr) * | 1953-11-19 | 1956-03-08 | Inventa Ag | Procédé pour la préparation de la lignine à partir des liqueurs noires |
| DE1119645B (de) * | 1957-01-31 | 1961-12-14 | Escher Wyss Gmbh | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie |
| DE2006313A1 (de) * | 1970-02-12 | 1971-03-11 | Krupp Gmbh | Vorrichtung zum Begasen von Flüssigkeiten unterhalb der Oberfläche |
| ES461364A1 (es) * | 1977-08-04 | 1978-05-01 | Torras Hostench S A | Perfeccionamientos en procedimientos para recuperacion qui- mica de hidroxido sodico y recuperacion termica de las le- jias negras residuales de la fabricacion de celulosa. |
-
1981
- 1981-02-27 DE DE3107447A patent/DE3107447C2/de not_active Expired
-
1982
- 1982-02-26 JP JP57500968A patent/JPS58500719A/ja active Pending
- 1982-02-26 DE DE8282900800T patent/DE3272068D1/de not_active Expired
- 1982-02-26 EP EP82900800A patent/EP0072844B1/de not_active Expired
- 1982-02-26 WO PCT/EP1982/000040 patent/WO1982002909A1/de not_active Ceased
- 1982-02-26 FR FR8203275A patent/FR2500858A1/fr active Granted
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0072844B1 (de) | 1986-07-23 |
| EP0072844A1 (de) | 1983-03-02 |
| DE3107447A1 (de) | 1982-09-16 |
| DE3272068D1 (en) | 1986-08-28 |
| FR2500858B1 (https=) | 1984-11-30 |
| FR2500858A1 (fr) | 1982-09-03 |
| JPS58500719A (ja) | 1983-05-06 |
| WO1982002909A1 (en) | 1982-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: KRAFTANLAGEN AG, 6900 HEIDELBERG, DE |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |