KR100353728B1 - 고순도 질산칼륨과 식용석고의 병산방법 - Google Patents
고순도 질산칼륨과 식용석고의 병산방법 Download PDFInfo
- Publication number
- KR100353728B1 KR100353728B1 KR1020000020295A KR20000020295A KR100353728B1 KR 100353728 B1 KR100353728 B1 KR 100353728B1 KR 1020000020295 A KR1020000020295 A KR 1020000020295A KR 20000020295 A KR20000020295 A KR 20000020295A KR 100353728 B1 KR100353728 B1 KR 100353728B1
- Authority
- KR
- South Korea
- Prior art keywords
- potassium nitrate
- potassium
- nitrate
- calcium
- gypsum
- Prior art date
Links
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
- C01F11/36—Nitrates
- C01F11/44—Concentrating; Crystallisating; Dehydrating; Preventing the absorption of moisture or caking
-
- 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
- C01F11/46—Sulfates
- C01F11/468—Purification of calcium sulfates
-
- 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
- C01P2006/80—Compositional purity
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | |
질산칼륨량(g)석고석출량(g) | 190163 | 192167 | 190169 | 191169 |
질산칼륨여액중의 석고량(%) | 0.2 | 0.3 | 0.5 | 1.1 |
석고여액중의 황산염량(%) | 0.7 | 검출무 | 검출무 | 검출무 |
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | |
질산칼륨함량(%) | 99.2 | 99.5 | 99.3 | 98.4 |
석고함량(%) | 98.4 | 98.8 | 98.2 | 98.1 |
Claims (2)
- 질산칼륨과 황산칼슘을 제조하는 방법에 있어서, 질산칼슘수용액과 황산칼륨 수용액을 혼합하여 얻은 질산칼슘과 황산칼륨의 몰비가 1.0~1.2:1.0인 혼합용액을 70~75℃에서 30~60분간 반응시켜 석출되는 황산칼슘의 결정을 여과분리하고, 이여액을 10~20℃로 냉각시켜 얻어지는 질산칼륨의 결정을 건조시켜 고순도의 질산칼륨과 식용석고를 병산하는 방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000020295A KR100353728B1 (ko) | 2000-04-18 | 2000-04-18 | 고순도 질산칼륨과 식용석고의 병산방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000020295A KR100353728B1 (ko) | 2000-04-18 | 2000-04-18 | 고순도 질산칼륨과 식용석고의 병산방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010096268A KR20010096268A (ko) | 2001-11-07 |
KR100353728B1 true KR100353728B1 (ko) | 2002-09-27 |
Family
ID=19665110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000020295A KR100353728B1 (ko) | 2000-04-18 | 2000-04-18 | 고순도 질산칼륨과 식용석고의 병산방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100353728B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5751116A (en) * | 1980-09-09 | 1982-03-25 | Agency Of Ind Science & Technol | Preparation of alkali metal carbonate and gypsum |
KR870001377A (ko) * | 1985-07-26 | 1987-03-13 | 원본미기재 | 관상의 자동 데드볼트 래치(Deadbolt Latch) |
-
2000
- 2000-04-18 KR KR1020000020295A patent/KR100353728B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5751116A (en) * | 1980-09-09 | 1982-03-25 | Agency Of Ind Science & Technol | Preparation of alkali metal carbonate and gypsum |
KR870001377A (ko) * | 1985-07-26 | 1987-03-13 | 원본미기재 | 관상의 자동 데드볼트 래치(Deadbolt Latch) |
Also Published As
Publication number | Publication date |
---|---|
KR20010096268A (ko) | 2001-11-07 |
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