CN103213964B - 利用低品位磷矿生产湿法磷酸的方法 - Google Patents
利用低品位磷矿生产湿法磷酸的方法 Download PDFInfo
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- CN103213964B CN103213964B CN201310185467.3A CN201310185467A CN103213964B CN 103213964 B CN103213964 B CN 103213964B CN 201310185467 A CN201310185467 A CN 201310185467A CN 103213964 B CN103213964 B CN 103213964B
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- Prior art keywords
- phosphoric acid
- reaction
- ore
- washing
- phosphogypsum
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- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 59
- 230000008569 process Effects 0.000 title claims abstract description 34
- 229910019142 PO4 Inorganic materials 0.000 title claims abstract description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims abstract description 27
- 239000010452 phosphate Substances 0.000 title claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 33
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 30
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011574 phosphorus Substances 0.000 claims abstract description 27
- 238000000605 extraction Methods 0.000 claims abstract description 26
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000002367 phosphate rock Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 229920002401 polyacrylamide Polymers 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 9
- 239000000047 product Substances 0.000 abstract description 19
- 239000010440 gypsum Substances 0.000 abstract description 7
- 229910052602 gypsum Inorganic materials 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000003776 cleavage reaction Methods 0.000 abstract description 2
- 238000002425 crystallisation Methods 0.000 abstract description 2
- 230000008025 crystallization Effects 0.000 abstract description 2
- 230000000865 phosphorylative effect Effects 0.000 abstract description 2
- 230000007017 scission Effects 0.000 abstract description 2
- 238000007039 two-step reaction Methods 0.000 abstract description 2
- 239000006227 byproduct Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 13
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011790 ferrous sulphate Substances 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000010269 sulphur dioxide Nutrition 0.000 description 2
- 239000004291 sulphur dioxide Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical compound [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
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CN103213964A CN103213964A (zh) | 2013-07-24 |
CN103213964B true CN103213964B (zh) | 2016-01-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109573972A (zh) * | 2019-01-23 | 2019-04-05 | 山东鲁北企业集团总公司 | 一种中低品位磷矿生产磷酸和低硅石膏的方法 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103626143A (zh) * | 2013-11-29 | 2014-03-12 | 晏明朗 | 生产湿法磷酸副产白石膏的方法 |
CN103803517B (zh) * | 2014-02-27 | 2015-11-18 | 龚家竹 | 高硅磷矿生产磷酸副产低硅磷石膏的方法 |
CN105502320A (zh) * | 2015-12-30 | 2016-04-20 | 昆明川金诺化工股份有限公司 | 一种利用中低品位磷矿生产半水法磷酸的方法 |
CN105523533B (zh) * | 2016-01-22 | 2017-12-15 | 贵州能矿织金磷化工有限公司 | 用再生磷酸浸取含稀土磷矿制取优质磷酸和优质磷石膏的方法 |
CN106044730B (zh) * | 2016-06-03 | 2018-05-18 | 四川宏达股份有限公司 | 利用高品位磷矿生产湿法磷酸的方法 |
CN106564925B (zh) * | 2016-11-01 | 2018-11-27 | 昆明理工大学 | 一种无机酸偶合硫酸盐分解磷矿制备硫酸钙晶须和磷复肥的方法 |
CN109748252A (zh) * | 2019-03-19 | 2019-05-14 | 济南大学 | 一种利用中低品位磷矿可控酸解制备半水湿法磷酸的方法 |
CN110548317A (zh) * | 2019-09-20 | 2019-12-10 | 瓮福达州化工有限责任公司 | 一种适用于湿法磷酸生产的絮凝剂及杂质沉降*** |
CN111362651A (zh) * | 2020-04-03 | 2020-07-03 | 沈阳促晋科技有限公司 | 一种利用石墨尾矿和磷尾矿制备的高性能蒸压加气混凝土砌块及其制备方法 |
CN112408346A (zh) * | 2020-11-23 | 2021-02-26 | 中国科学院过程工程研究所 | 一种磷矿可控酸解同步萃取制备低杂湿法磷酸与硫酸钙的方法 |
CN114804061B (zh) * | 2021-01-19 | 2024-01-26 | 中国科学院过程工程研究所 | 一种磷矿酸解同步萃取分离杂质制备湿法磷酸的装置***与方法 |
CN113651300A (zh) * | 2021-08-16 | 2021-11-16 | 四川绵竹市盘龙矿物质有限责任公司 | 一种高钙磷比磷矿用于湿法磷酸净化提高磷收率的方法 |
CN115504440B (zh) * | 2022-10-29 | 2024-05-14 | 山东联盟磷复肥有限公司 | 一种双循环湿法磷酸生产方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1683239A (zh) * | 2004-04-16 | 2005-10-19 | 四川承源化工有限公司 | 一种利用中低品位磷矿石生产磷酸的方法 |
CN1792776A (zh) * | 2005-12-23 | 2006-06-28 | 中国石化集团南京设计院 | 利用中低品位磷矿生产湿法磷酸的方法 |
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- 2013-05-17 CN CN201310185467.3A patent/CN103213964B/zh not_active Expired - Fee Related
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CN1683239A (zh) * | 2004-04-16 | 2005-10-19 | 四川承源化工有限公司 | 一种利用中低品位磷矿石生产磷酸的方法 |
CN1792776A (zh) * | 2005-12-23 | 2006-06-28 | 中国石化集团南京设计院 | 利用中低品位磷矿生产湿法磷酸的方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109573972A (zh) * | 2019-01-23 | 2019-04-05 | 山东鲁北企业集团总公司 | 一种中低品位磷矿生产磷酸和低硅石膏的方法 |
CN109573972B (zh) * | 2019-01-23 | 2021-05-28 | 山东鲁北企业集团总公司 | 一种中低品位磷矿生产磷酸和低硅石膏的方法 |
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