CN110407241B - 一种高活性氧化钙的制备方法 - Google Patents
一种高活性氧化钙的制备方法 Download PDFInfo
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- CN110407241B CN110407241B CN201910595450.2A CN201910595450A CN110407241B CN 110407241 B CN110407241 B CN 110407241B CN 201910595450 A CN201910595450 A CN 201910595450A CN 110407241 B CN110407241 B CN 110407241B
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- CN
- China
- Prior art keywords
- calcium oxide
- solid
- mixed solution
- heating
- phosphogypsum
- Prior art date
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- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000000292 calcium oxide Substances 0.000 title claims abstract description 46
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 230000000694 effects Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical group O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 46
- 239000007787 solid Substances 0.000 claims abstract description 42
- 239000011259 mixed solution Substances 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000001354 calcination Methods 0.000 claims abstract description 21
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 18
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000007873 sieving Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000000967 suction filtration Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 52
- 239000002893 slag Substances 0.000 claims description 27
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- FSVCELGFZIQNCK-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)glycine Chemical compound OCCN(CCO)CC(O)=O FSVCELGFZIQNCK-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 abstract description 7
- SLFNBFCWCWWIIB-UHFFFAOYSA-N 2-(dihydroxyamino)acetic acid Chemical compound ON(O)CC(O)=O SLFNBFCWCWWIIB-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 235000012255 calcium oxide Nutrition 0.000 description 37
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- -1 electric power Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000005997 Calcium carbide Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 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
- C01F11/02—Oxides or hydroxides
- C01F11/04—Oxides or hydroxides by thermal decomposition
- C01F11/06—Oxides or hydroxides by thermal decomposition of carbonates
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
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CN201910595450.2A CN110407241B (zh) | 2019-07-03 | 2019-07-03 | 一种高活性氧化钙的制备方法 |
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Publications (2)
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CN110407241A CN110407241A (zh) | 2019-11-05 |
CN110407241B true CN110407241B (zh) | 2021-09-21 |
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Families Citing this family (1)
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DE102020117478A1 (de) * | 2020-07-02 | 2022-01-05 | Lhoist Recherche Et Développement S.A. | Verfahren zur thermischen Behandlung von mineralischen Rohstoffen |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1194898C (zh) * | 2001-10-15 | 2005-03-30 | 广西大学 | 利用废渣磷石膏联产硫酸钡和氯化钙的方法 |
CN102020250A (zh) * | 2009-09-18 | 2011-04-20 | 昆明理工大学 | 微波还原分解磷石膏制硫酸、发电联产水泥的新方法 |
CN102730733B (zh) * | 2012-06-21 | 2014-04-02 | 昆明理工大学 | 一种磷石膏分解渣提纯制备氧化钙的方法 |
CN105439182A (zh) * | 2015-12-28 | 2016-03-30 | 常熟市宏宇钙化物有限公司 | 一种工业级氧化钙的制备方法 |
CN108585015A (zh) * | 2018-06-19 | 2018-09-28 | 四川江铜稀土有限责任公司 | 一种微波煅烧制备氧化镧的方法 |
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2019
- 2019-07-03 CN CN201910595450.2A patent/CN110407241B/zh active Active
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CB03 | Change of inventor or designer information |
Inventor after: Wei Ming Inventor after: Lv Menjun Inventor before: Wei Ming |
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TA01 | Transfer of patent application right |
Effective date of registration: 20210818 Address after: 530700 Hechi. Du'an Lingang Industrial Park office building, Hongdu village, Chengjiang Town, Du'an Yao Autonomous County, Hechi City, Guangxi Zhuang Autonomous Region Applicant after: Du'an Chunxu New Material Technology Co.,Ltd. Address before: No.1605, block a, Nanhu Mingdu Plaza, No.30 Shuangyong Road, Qingxiu District, Nanning City, Guangxi Zhuang Autonomous Region Applicant before: Guangxi Xiayang Environmental Protection Technology Co.,Ltd. |
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Effective date of registration: 20240710 Granted publication date: 20210921 |
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