FI121232B - Förfarande och anordning för att snabba upp kontinuerlig framställning av utfällt kalciumkarbonat - Google Patents
Förfarande och anordning för att snabba upp kontinuerlig framställning av utfällt kalciumkarbonat Download PDFInfo
- Publication number
- FI121232B FI121232B FI20070983A FI20070983A FI121232B FI 121232 B FI121232 B FI 121232B FI 20070983 A FI20070983 A FI 20070983A FI 20070983 A FI20070983 A FI 20070983A FI 121232 B FI121232 B FI 121232B
- Authority
- FI
- Finland
- Prior art keywords
- calcium
- reaction chamber
- reactor
- magnesium hydroxide
- reaction
- Prior art date
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims description 37
- 229940088417 precipitated calcium carbonate Drugs 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 51
- 239000000920 calcium hydroxide Substances 0.000 claims description 14
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 9
- 230000008025 crystallization Effects 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000002604 ultrasonography Methods 0.000 claims description 5
- 238000003763 carbonization Methods 0.000 claims description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims 6
- 239000000347 magnesium hydroxide Substances 0.000 claims 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims 6
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims 3
- 239000001095 magnesium carbonate Substances 0.000 claims 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims 3
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 50
- 229910002092 carbon dioxide Inorganic materials 0.000 description 27
- 239000001569 carbon dioxide Substances 0.000 description 23
- 239000007789 gas Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 13
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 9
- 235000011116 calcium hydroxide Nutrition 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 9
- 235000010755 mineral Nutrition 0.000 description 9
- 239000011707 mineral Substances 0.000 description 9
- 239000008346 aqueous phase Substances 0.000 description 7
- 239000000049 pigment Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000000292 calcium oxide Substances 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 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 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/245—Stationary reactors without moving elements inside placed in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/50—Carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/60—Preparation of carbonates or bicarbonates in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/24—Magnesium carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0436—Operational information
- B01F2215/0468—Numerical pressure values
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0436—Operational information
- B01F2215/0472—Numerical temperature values
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0436—Operational information
- B01F2215/0481—Numerical speed values
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/271—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator
- B01F27/2711—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed radially between the surfaces of the rotor and the stator provided with intermeshing elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Claims (8)
1. Sätt att framställa utfältt kalcium- och/eller magnesiumkarbonat genom mycket snabb, « 5 sekunder, karbonisering pä sä sätt, att kalcttim-och/eller magnesiumkarbonatet utfälls med koldioxid, kännetecknat av att 5 karboniseringen utförs i en reaktionskammare med kontinuerlig drift i dess vätskefas, tili vilken ämnestransport av koldioxidgas och kalcium* och/eller magnesiumhydroxid päskyndas maximalt. Snabb ämnestransport uppnäs genom att: < Oka trycket i reaktionskammaren, typiskt 0,1 MPa -2,0 MPa 10. fä tili ständ en hög skärhastighet i suspensionen i reaktionskammaren, typiskt > 20 000 1/s - > 100 0001/s - fä tili ständ ett ultraljud genom hög hastighet i reaktionskammarens stator-/rotorring och med hjälp av öppningar eller slits i ringama - fa tili ständ en pulserande Ström tili reaktionskammaren, som 15 uppstar av stängning och öppning av öppningama eller slitsen i stator-/rotorringama
2. Sätt enligt patentkrav 1, karaktäriserat av att man pä grund av kvaliteten pä kalcium- och/eller magnesiumhydroxiden kan använda en annan 20 seriekopplad reaktor för att uppnä fullständig konversion.
3. Sätt enligt patentkrav 1, karaktäriserat av att fullständig konversion av kristalliseringsreaktion säkerställs i den sista mottagningstanken (7) i reaktom eller seriekopplade reaktorer. 25
4. Sätt enligt patentkrav 1, karaktäriserat av att i reaktionskammaren eller kalkmjölken injiceras kämkristaller eller kända kemikalier för att styra kristallform och/eller-storiek.
5. Anläggning för tillverkning av kalcium- och/eller magnesiumkarbonat, karaktäriserad av att anläggningen omfattar - en eller tvä seriekopplade fria reaktorer meden reaktionsvolym pä 50 ml - 501 (3) med stator-/rotorringar (9 och 10) omlott.
35 Metallringarna (9 och 10) har öppningar eller slits. Rotoms ringhastighet är > 50 m/s. Skärhastigheten > 20 0001/s riktas mot reaktoms suspension. Det reagerande materialet tvingas förflytta sig genom öppningama eller slitsen i ringama eller mellan ringama, varvid det reagerande materialet utsätts för stpra pulserande skärhastigheter och ultraljudsvägor under förhöjt tryck, >0,1 MPa typiskt 0,3 - 2,0 MPa. - Kalcium- och/eller magnesiumhydroxiden leds exempelvis med Mohnopumpar (2) eller motsvarande för att uppnä högt tryck.
5 Trycket regleras med ventiler (4) pa reaktorns utloppssida. - Den trycksatta C02-gasen (5) leds antingen direkt till den första reaktorn eller till kalcium- och/eller magnesiumhydroxidströmmen. - Atminstone den första reaktorn (3) har matningsinlopp för kämkristaller och/eller kända kemikalier (6).
10. Alternativt kan kämkristallerna och/eller kända kemikalier matas till en matningstank (1) för kalcium- och/eller magnesiumhydroxid. - Fullständig konversion säkerställs med hjälp av en annan seriekopplad reaktor eller efterkarbonisering. 15 20 25 30 35 40
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20070983A FI121232B (sv) | 2007-12-14 | 2007-12-14 | Förfarande och anordning för att snabba upp kontinuerlig framställning av utfällt kalciumkarbonat |
| PCT/FI2008/000142 WO2009083633A1 (en) | 2007-12-14 | 2008-12-12 | A method and apparatus to produce precipitated calcium carbonate |
| EP08867273A EP2238077A4 (en) | 2007-12-14 | 2008-12-12 | METHOD AND APPARATUS FOR PRODUCING PRECIPITATED CALCIUM CARBONATE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20070983 | 2007-12-14 | ||
| FI20070983A FI121232B (sv) | 2007-12-14 | 2007-12-14 | Förfarande och anordning för att snabba upp kontinuerlig framställning av utfällt kalciumkarbonat |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI20070983A0 FI20070983A0 (sv) | 2007-12-14 |
| FI20070983L FI20070983L (sv) | 2009-06-15 |
| FI121232B true FI121232B (sv) | 2010-08-31 |
Family
ID=38951514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20070983A FI121232B (sv) | 2007-12-14 | 2007-12-14 | Förfarande och anordning för att snabba upp kontinuerlig framställning av utfällt kalciumkarbonat |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2238077A4 (sv) |
| FI (1) | FI121232B (sv) |
| WO (1) | WO2009083633A1 (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI124831B (sv) * | 2010-03-10 | 2015-02-13 | Upm Kymmene Oyj | Förfarande och reaktor för in-line-framställning av kalciumkarbonat i ett pappersmassaflöde |
| FI124634B (sv) * | 2010-06-11 | 2014-11-14 | Upm Kymmene Oyj | Förfarande och anordning för in-line-framställning av kalkmjölk i in-line-framställningsprocessen av PCC anordnad i anslutning till fiberbanmaskinen |
| FI125836B (sv) * | 2013-04-26 | 2016-03-15 | Wetend Tech Oy | Förfarande för att förse pappers- eller kartongmassa med fyllningsmedel och papper eller kartong |
| CN118164650B (zh) * | 2024-05-13 | 2024-08-13 | 四川省地质环境调查研究中心 | 一种钙华沉积源水强化装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI106114B (sv) * | 1998-01-19 | 2000-11-30 | Fp Pigments Oy | Förfarande för framställning och modifiering av syntetiskt kalciumkarbonat |
| US6413365B1 (en) * | 2001-07-11 | 2002-07-02 | Voith Paper Patent Gmbh | Method of loading a fiber suspension with calcium carbonate |
| CN1164495C (zh) * | 2002-07-29 | 2004-09-01 | 上海天福机电化工技术研究所 | 超声空化技术生产纳米碳酸钙的方法 |
| CN1238254C (zh) * | 2003-05-20 | 2006-01-25 | 上海威宇机电制造有限公司 | 纳米级轻质碳酸钙的生产方法和其设备 |
| CN2663396Y (zh) * | 2003-10-20 | 2004-12-15 | 河北科技大学 | 一种纳米碳酸钙合成反应器 |
| FI120032B (sv) * | 2004-07-13 | 2009-06-15 | Fp Pigments Oy | Förfarande och anordning för framställning av en kalciumkarbonatprodukt, produkten och dess användning |
| EP1790615A1 (en) * | 2005-11-29 | 2007-05-30 | Trading engineering technologies LLC | Device for the preparation of precipitated calcium carbonate |
-
2007
- 2007-12-14 FI FI20070983A patent/FI121232B/sv not_active IP Right Cessation
-
2008
- 2008-12-12 EP EP08867273A patent/EP2238077A4/en not_active Withdrawn
- 2008-12-12 WO PCT/FI2008/000142 patent/WO2009083633A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| FI20070983L (sv) | 2009-06-15 |
| FI20070983A0 (sv) | 2007-12-14 |
| EP2238077A1 (en) | 2010-10-13 |
| EP2238077A4 (en) | 2011-09-28 |
| WO2009083633A1 (en) | 2009-07-09 |
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