CN103213964B - Low-grade phosphate ore is utilized to produce the method for phosphoric acid by wet process - Google Patents
Low-grade phosphate ore is utilized to produce the method for phosphoric acid by wet process 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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- 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.)
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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)
Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310185467.3A CN103213964B (en) | 2013-05-17 | 2013-05-17 | Low-grade phosphate ore is utilized to produce the method for phosphoric acid by wet process |
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CN201310185467.3A CN103213964B (en) | 2013-05-17 | 2013-05-17 | Low-grade phosphate ore is utilized to produce the method for phosphoric acid by wet process |
Publications (2)
Publication Number | Publication Date |
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CN103213964A CN103213964A (en) | 2013-07-24 |
CN103213964B true CN103213964B (en) | 2016-01-13 |
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CN201310185467.3A Expired - Fee Related CN103213964B (en) | 2013-05-17 | 2013-05-17 | Low-grade phosphate ore is utilized to produce the method for phosphoric acid by wet process |
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CN (1) | CN103213964B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109573972A (en) * | 2019-01-23 | 2019-04-05 | 山东鲁北企业集团总公司 | A kind of method of mid low grade phosphate rock production phosphoric acid and low silica cream |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103626143A (en) * | 2013-11-29 | 2014-03-12 | 晏明朗 | Method for wet production of phosphoric acid and byproduct, namely white gypsum |
CN103803517B (en) * | 2014-02-27 | 2015-11-18 | 龚家竹 | The method of the low silicon ardealite of high silicon Phosphate Rock acid by-product |
CN105502320A (en) * | 2015-12-30 | 2016-04-20 | 昆明川金诺化工股份有限公司 | Method for producing hemihydrated phosphoric acid from medium/low-grade phosphorite |
CN105523533B (en) * | 2016-01-22 | 2017-12-15 | 贵州能矿织金磷化工有限公司 | The method for producing high-quality phosphoric acid and high-quality ardealite containing rare earth phosphate rock with regeneration phosphoric acid leaching |
CN106044730B (en) * | 2016-06-03 | 2018-05-18 | 四川宏达股份有限公司 | Utilize the method for high-grade phosphorus ore production phosphoric acid by wet process |
CN106564925B (en) * | 2016-11-01 | 2018-11-27 | 昆明理工大学 | A kind of method that inorganic acid coupling sulphate decomposition phosphorus ore prepares calcium sulfate crystal whiskers and phosphorus compound fertilizer |
CN109748252A (en) * | 2019-03-19 | 2019-05-14 | 济南大学 | A method of half water phosphoric acid by wet process is prepared using the controllable acidolysis of mid low grade phosphate rock |
CN110548317A (en) * | 2019-09-20 | 2019-12-10 | 瓮福达州化工有限责任公司 | Flocculating agent and impurity sedimentation system suitable for wet-process phosphoric acid production |
CN111362651A (en) * | 2020-04-03 | 2020-07-03 | 沈阳促晋科技有限公司 | High-performance autoclaved aerated concrete block prepared from graphite tailings and phosphorus tailings and preparation method thereof |
CN112408346A (en) * | 2020-11-23 | 2021-02-26 | 中国科学院过程工程研究所 | Method for preparing low-impurity wet-process phosphoric acid and calcium sulfate by controlled acidolysis and synchronous extraction of phosphorite |
CN114804061B (en) * | 2021-01-19 | 2024-01-26 | 中国科学院过程工程研究所 | Device system and method for preparing wet-process phosphoric acid by synchronously extracting and separating impurities through acidolysis of phosphorite |
CN113651300A (en) * | 2021-08-16 | 2021-11-16 | 四川绵竹市盘龙矿物质有限责任公司 | Method for improving phosphorus yield by using phosphorite with high calcium-phosphorus ratio for wet-process phosphoric acid purification |
CN115504440B (en) * | 2022-10-29 | 2024-05-14 | 山东联盟磷复肥有限公司 | Double-circulation wet-process phosphoric acid production method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1683239A (en) * | 2004-04-16 | 2005-10-19 | 四川承源化工有限公司 | Method for producing phosphoric acid with low and medium grade phosphorous mine ore |
CN1792776A (en) * | 2005-12-23 | 2006-06-28 | 中国石化集团南京设计院 | Process for producing wet method phosphoric acid by medium low grade phosphorus mine |
-
2013
- 2013-05-17 CN CN201310185467.3A patent/CN103213964B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1683239A (en) * | 2004-04-16 | 2005-10-19 | 四川承源化工有限公司 | Method for producing phosphoric acid with low and medium grade phosphorous mine ore |
CN1792776A (en) * | 2005-12-23 | 2006-06-28 | 中国石化集团南京设计院 | Process for producing wet method phosphoric acid by medium low grade phosphorus mine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109573972A (en) * | 2019-01-23 | 2019-04-05 | 山东鲁北企业集团总公司 | A kind of method of mid low grade phosphate rock production phosphoric acid and low silica cream |
CN109573972B (en) * | 2019-01-23 | 2021-05-28 | 山东鲁北企业集团总公司 | Method for producing phosphoric acid and low-silicon gypsum from medium-low grade phosphorite |
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CN103213964A (en) | 2013-07-24 |
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