FR2461680A1 - Procede de preparation d'un acide phosphorique d'une grande purete technique - Google Patents
Procede de preparation d'un acide phosphorique d'une grande purete technique Download PDFInfo
- Publication number
- FR2461680A1 FR2461680A1 FR8015987A FR8015987A FR2461680A1 FR 2461680 A1 FR2461680 A1 FR 2461680A1 FR 8015987 A FR8015987 A FR 8015987A FR 8015987 A FR8015987 A FR 8015987A FR 2461680 A1 FR2461680 A1 FR 2461680A1
- Authority
- FR
- France
- Prior art keywords
- urea
- phosphoric acid
- acid
- phosphate
- reaction
- 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.)
- Granted
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 44
- DZHMRSPXDUUJER-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;dihydrogen phosphate Chemical compound NC(N)=O.OP(O)(O)=O DZHMRSPXDUUJER-UHFFFAOYSA-N 0.000 title claims abstract description 23
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910017604 nitric acid Inorganic materials 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 238000000746 purification Methods 0.000 title description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004202 carbamide Substances 0.000 claims abstract description 38
- 239000002253 acid Substances 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000013078 crystal Substances 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 8
- QHDUJTCUPWHNPK-UHFFFAOYSA-N methyl 7-methoxy-2h-indazole-3-carboxylate Chemical compound COC1=CC=CC2=C(C(=O)OC)NN=C21 QHDUJTCUPWHNPK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002367 phosphate rock Substances 0.000 claims abstract description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000012047 saturated solution Substances 0.000 claims abstract description 5
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000010452 phosphate Substances 0.000 claims abstract description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910001385 heavy metal Inorganic materials 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 6
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 238000002386 leaching Methods 0.000 claims description 4
- 239000007790 solid phase Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 238000001953 recrystallisation Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 239000012736 aqueous medium Substances 0.000 claims 1
- 230000001502 supplementing effect Effects 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 9
- 239000000047 product Substances 0.000 abstract description 6
- 229920000388 Polyphosphate Polymers 0.000 abstract description 2
- 239000001205 polyphosphate Substances 0.000 abstract description 2
- 235000011176 polyphosphates Nutrition 0.000 abstract description 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 235000011007 phosphoric acid Nutrition 0.000 description 27
- 239000010802 sludge Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES482523A ES482523A1 (es) | 1979-07-17 | 1979-07-17 | Procedimiento para la obtencion de un acido fosforico de al-ta pureza tecnica. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2461680A1 true FR2461680A1 (fr) | 1981-02-06 |
| FR2461680B1 FR2461680B1 (enExample) | 1983-03-11 |
Family
ID=8478651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8015987A Granted FR2461680A1 (fr) | 1979-07-17 | 1980-07-16 | Procede de preparation d'un acide phosphorique d'une grande purete technique |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES482523A1 (enExample) |
| FR (1) | FR2461680A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530207A (zh) * | 2018-07-02 | 2018-09-14 | 郑州大学 | 一种用脲硝酸分解磷矿制备颗粒脲硝基复合肥的方法 |
-
1979
- 1979-07-17 ES ES482523A patent/ES482523A1/es not_active Expired
-
1980
- 1980-07-16 FR FR8015987A patent/FR2461680A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530207A (zh) * | 2018-07-02 | 2018-09-14 | 郑州大学 | 一种用脲硝酸分解磷矿制备颗粒脲硝基复合肥的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES482523A1 (es) | 1980-05-16 |
| FR2461680B1 (enExample) | 1983-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |