KR101448366B1 - 침전형 탄산칼슘을 얻는 방법 - Google Patents
침전형 탄산칼슘을 얻는 방법 Download PDFInfo
- Publication number
- KR101448366B1 KR101448366B1 KR1020127028483A KR20127028483A KR101448366B1 KR 101448366 B1 KR101448366 B1 KR 101448366B1 KR 1020127028483 A KR1020127028483 A KR 1020127028483A KR 20127028483 A KR20127028483 A KR 20127028483A KR 101448366 B1 KR101448366 B1 KR 101448366B1
- Authority
- KR
- South Korea
- Prior art keywords
- calcium carbonate
- precipitated calcium
- carbonation
- seed
- aragonite
- 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 - Fee Related
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Classifications
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- 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
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
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- 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
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- 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
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- 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
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/30—Three-dimensional structures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
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- 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
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (19)
- 침전형 탄산칼슘(precipitated calcium carbonate) 생성물의 제조 방법으로서,
(a) 탄산화(carbonation) 전에 또는 중에 Ca(OH)2 mol 당 Sr(OH)2 형태의 스트론튬 0.005 내지 0.030 mol의 존재 하에 Ca(OH)2의 현탁액을 탄산화함으로써 침전형 탄산칼슘 시드의 수성 현탁액을 제조하는 단계, 및
(b) 침전형 탄산칼슘 시드 0.5 내지 5 건조중량%의 존재 하에 Ca(OH)2의 슬러리를 탄산화함으로써 침전형 탄산칼슘 생성물의 수성 현탁액을 형성시키는 단계
를 포함하고, 침전형 탄산칼슘 시드는 침전형 탄산칼슘 생성물의 D50보다 더 작은 D50을 가지며, 그리고 침전형 탄산칼슘 시드는 침전형 탄산칼슘 생성물보다 더 많거나 그 생성물과 동등한 아라고나이트 다형 함량을 갖는 것인 제조 방법. - 제1항에 있어서, 단계(a)에서 Ca(OH)2의 현탁액은 Ca(OH)2 mol 당 스트론튬 0.01 내지 0.02 mol의 존재 하에 탄산화되는 것인 제조 방법.
- 제1항에 있어서, 단계(a)에서 Sr(OH)2는 소화(slaking), 탄산화, 또는 소화 및 탄산화 전에 또는 중에 첨가되는 SrO 함유 광물을 첨가함으로써 동일계(in situ)에서 형성되는 것인 제조 방법.
- 제3항에 있어서, SrO 함유 광물은 SrCO3 함유 광물을 하소 처리함으로써 얻어지는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(a)에서 제조된 침전형 탄산칼슘 시드의 탈수, 분산 또는 분쇄 중 하나 이상을 수행하여, 0.1 내지 0.3 ㎛의 D50 및 10 내지 30 m2/g의 BET SSA를 갖는 침전형 탄산칼슘 시드의 수성 현탁액을 얻는 단계를 추가로 포함하는 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(a)에서 형성된 침전형 탄산칼슘 시드의 수성 현탁액은 85 건조중량% 이상의 아라고나이트 다형 함량을 갖는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(a)에서 형성된 침전형 탄산칼슘 시드의 수성 현탁액은 90 건조중량% 이상의 아라고나이트 다형 함량을 갖는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(a)에서 형성된 침전형 탄산칼슘 시드의 수성 현탁액은 95 건조중량% 이상의 아라고나이트 다형 함량을 갖는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 침전형 탄산칼슘 시드는 탄산화 전에 단계(b)에서 Ca(OH)2의 슬러리에 첨가되는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 침전형 탄산칼슘 시드는 총 탄산화 시간의 1/4 내에 단계(b)에서 Ca(OH)2의 슬러리에 첨가되는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(b)에서 얻어진 침전형 탄산칼슘 생성물의 탈수, 분산 또는 분쇄 중 하나 이상을 수행하여, 0.35 내지 0.4 ㎛의 D50 및 8 내지 20 m2/g의 BET SSA를 갖는 침전형 탄산칼슘 생성물을 얻는 단계를 추가로 포함하는 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(b)에서 얻어진 침전형 탄산칼슘 생성물은 건조 미터톤(dry metric ton) 당 0.2 내지 15 mol의 총 스트론튬 양을 갖는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(b)에서 얻어진 침전형 탄산칼슘 생성물은 건조 미터톤 당 1 내지 5 mol의 총 스트론튬 양을 갖는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(b)에서 얻어진 침전형 탄산칼슘 생성물은 60 건조중량% 이상의 아라고나이트 다형 함량을 함유하는 것인 제조 방법.
- 제1항 내지 제4항 중 어느 하나의 항에 있어서, 단계(b)에서 얻어진 침전형 탄산칼슘 생성물은 70 건조중량% 이상의 아라고나이트 다형 함량을 함유하는 것인 제조 방법.
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10003665.6 | 2010-04-01 | ||
| EP10003665A EP2371766B1 (en) | 2010-04-01 | 2010-04-01 | Process for obtaining precipitated calcium carbonate |
| US34201710P | 2010-04-08 | 2010-04-08 | |
| US61/342,017 | 2010-04-08 | ||
| PCT/EP2011/054994 WO2011121065A1 (en) | 2010-04-01 | 2011-03-31 | Process for obtaining precipitated calcium carbonate |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147003382A Division KR20140024065A (ko) | 2010-04-01 | 2011-03-31 | 침전형 탄산칼슘을 얻는 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20130008601A KR20130008601A (ko) | 2013-01-22 |
| KR101448366B1 true KR101448366B1 (ko) | 2014-10-07 |
Family
ID=42320971
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147003382A Ceased KR20140024065A (ko) | 2010-04-01 | 2011-03-31 | 침전형 탄산칼슘을 얻는 방법 |
| KR1020127028483A Expired - Fee Related KR101448366B1 (ko) | 2010-04-01 | 2011-03-31 | 침전형 탄산칼슘을 얻는 방법 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147003382A Ceased KR20140024065A (ko) | 2010-04-01 | 2011-03-31 | 침전형 탄산칼슘을 얻는 방법 |
Country Status (23)
| Country | Link |
|---|---|
| US (2) | US8999284B2 (ko) |
| EP (2) | EP2371766B1 (ko) |
| JP (1) | JP5499217B2 (ko) |
| KR (2) | KR20140024065A (ko) |
| CN (1) | CN102834356B (ko) |
| AU (1) | AU2011234483B2 (ko) |
| BR (1) | BR112012024538A2 (ko) |
| CA (1) | CA2795019C (ko) |
| CL (1) | CL2012002684A1 (ko) |
| CO (1) | CO6551661A2 (ko) |
| DK (2) | DK2371766T3 (ko) |
| ES (2) | ES2407183T3 (ko) |
| HR (2) | HRP20161570T1 (ko) |
| HU (1) | HUE031050T2 (ko) |
| IL (1) | IL222064A (ko) |
| MX (1) | MX2012011318A (ko) |
| NZ (1) | NZ603255A (ko) |
| PL (2) | PL2371766T3 (ko) |
| PT (2) | PT2371766E (ko) |
| RU (1) | RU2520437C1 (ko) |
| SI (2) | SI2371766T1 (ko) |
| TW (2) | TWI606977B (ko) |
| WO (1) | WO2011121065A1 (ko) |
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