DE2429758A1 - Verfahren zum reinigen nass aufgeschlossener phosphorsaeure - Google Patents
Verfahren zum reinigen nass aufgeschlossener phosphorsaeureInfo
- Publication number
- DE2429758A1 DE2429758A1 DE19742429758 DE2429758A DE2429758A1 DE 2429758 A1 DE2429758 A1 DE 2429758A1 DE 19742429758 DE19742429758 DE 19742429758 DE 2429758 A DE2429758 A DE 2429758A DE 2429758 A1 DE2429758 A1 DE 2429758A1
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- percent
- content
- activated carbon
- hydrogen sulfide
- 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.)
- Pending
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 333
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 167
- 238000000034 method Methods 0.000 title claims description 35
- 238000004140 cleaning Methods 0.000 title claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 89
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 28
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 25
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 23
- 238000006115 defluorination reaction Methods 0.000 claims description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 21
- 239000011707 mineral Substances 0.000 claims description 21
- 229910019142 PO4 Inorganic materials 0.000 claims description 20
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 18
- 239000011737 fluorine Substances 0.000 claims description 18
- 229910052731 fluorine Inorganic materials 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 18
- 239000010452 phosphate Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000010440 gypsum Substances 0.000 claims description 10
- 229910052602 gypsum Inorganic materials 0.000 claims description 10
- 239000003960 organic solvent Substances 0.000 claims description 8
- 239000011435 rock Substances 0.000 claims description 6
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000005416 organic matter Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 description 57
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 51
- 229910052785 arsenic Inorganic materials 0.000 description 44
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 42
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 239000000243 solution Substances 0.000 description 25
- 238000005406 washing Methods 0.000 description 23
- 239000012074 organic phase Substances 0.000 description 20
- 235000021317 phosphate Nutrition 0.000 description 18
- 238000000926 separation method Methods 0.000 description 18
- 239000002244 precipitate Substances 0.000 description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 14
- 239000008346 aqueous phase Substances 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 14
- 239000010703 silicon Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 description 6
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 229940043430 calcium compound Drugs 0.000 description 5
- 150000001674 calcium compounds Chemical class 0.000 description 5
- 239000000284 extract Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 150000004763 sulfides Chemical class 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 150000003016 phosphoric acids Chemical class 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XPDICGYEJXYUDW-UHFFFAOYSA-N tetraarsenic tetrasulfide Chemical compound S1[As]2S[As]3[As]1S[As]2S3 XPDICGYEJXYUDW-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- -1 arsenic sulfides Chemical class 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 2
- 229910001863 barium hydroxide Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- LOWMYOWHQMKBTM-UHFFFAOYSA-N 1-butylsulfinylbutane Chemical compound CCCCS(=O)CCCC LOWMYOWHQMKBTM-UHFFFAOYSA-N 0.000 description 1
- PARCUCWFQOWGFX-UHFFFAOYSA-N 2-butan-2-ylsulfinylbutane Chemical compound CCC(C)S(=O)C(C)CC PARCUCWFQOWGFX-UHFFFAOYSA-N 0.000 description 1
- DJHGAFSJWGLOIV-UHFFFAOYSA-N Arsenic acid Chemical compound O[As](O)(O)=O DJHGAFSJWGLOIV-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- MHZGKXUYDGKKIU-UHFFFAOYSA-N Decylamine Chemical compound CCCCCCCCCCN MHZGKXUYDGKKIU-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HRKAMJBPFPHCSD-UHFFFAOYSA-N Tri-isobutylphosphate Chemical compound CC(C)COP(=O)(OCC(C)C)OCC(C)C HRKAMJBPFPHCSD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PBSJABOJCQOSCL-UHFFFAOYSA-N [As].P(O)(O)(O)=O Chemical compound [As].P(O)(O)(O)=O PBSJABOJCQOSCL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 description 1
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 description 1
- 239000006286 aqueous extract Substances 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- 229940000488 arsenic acid Drugs 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 150000001553 barium compounds Chemical class 0.000 description 1
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical class CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 1
- 210000002287 horizontal cell Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- MEXKFCWMWJZDMF-UHFFFAOYSA-N n,n-dibutylacetamide Chemical compound CCCCN(C(C)=O)CCCC MEXKFCWMWJZDMF-UHFFFAOYSA-N 0.000 description 1
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- NSVHDIYWJVLAGH-UHFFFAOYSA-M silver;n,n-diethylcarbamodithioate Chemical compound [Ag+].CCN(CC)C([S-])=S NSVHDIYWJVLAGH-UHFFFAOYSA-M 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 238000000209 wet digestion Methods 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
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
-
- 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)
- Extraction Or Liquid Replacement (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7021873A JPS5018388A (enrdf_load_stackoverflow) | 1973-06-21 | 1973-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2429758A1 true DE2429758A1 (de) | 1975-01-23 |
Family
ID=13425172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742429758 Pending DE2429758A1 (de) | 1973-06-21 | 1974-06-21 | Verfahren zum reinigen nass aufgeschlossener phosphorsaeure |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5018388A (enrdf_load_stackoverflow) |
| DE (1) | DE2429758A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2234228B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1442919A (enrdf_load_stackoverflow) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2530658A1 (de) * | 1974-07-09 | 1976-01-29 | Toyo Soda Mfg Co Ltd | Verfahren zur herstellung von reiner phosphorsaeure |
| DE2538720A1 (de) * | 1975-08-30 | 1977-03-10 | Giulini Gmbh Geb | Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung |
| DE2704545A1 (de) * | 1976-02-13 | 1977-08-18 | Toyo Soda Mfg Co Ltd | Verfahren zur herstellung von reiner phosphorsaeure |
| DE2704074A1 (de) * | 1976-02-13 | 1977-08-18 | Toyo Soda Mfg Co Ltd | Verfahren zur reinigung von extrahierter phosphorsaeure |
| WO1980002418A1 (en) * | 1979-05-10 | 1980-11-13 | Boliden Ab | A method of purifying phosphoric acid of heavy metals |
| US4250155A (en) * | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
| EP0029132A1 (de) * | 1979-11-14 | 1981-05-27 | Hoechst Aktiengesellschaft | Verfahren zur Reinigung von Nassverfahrensphosphorsäure |
| DE3301293A1 (de) * | 1982-01-18 | 1983-07-28 | Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi | Verfahren zur entfernung von organischen materialien aus einer auf nassem wege hergestellten phosphorsaeure |
| FR2520342A1 (fr) * | 1982-01-25 | 1983-07-29 | Rhone Poulenc Chim Base | Procede de purification d'acide phosphorique de voie humide |
| EP0136905A3 (en) * | 1983-10-03 | 1986-09-17 | Guillermo Rangel Gurza | Method of purification of phosphoric acid |
| US4906445A (en) * | 1988-03-03 | 1990-03-06 | Hoechst Aktiengesellschaft | Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid |
| CN103979510A (zh) * | 2014-04-25 | 2014-08-13 | 防城港博森化工有限公司 | 一种磷酸生产中的脱砷方法 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53105730U (enrdf_load_stackoverflow) * | 1977-01-31 | 1978-08-25 | ||
| CA1124031A (en) * | 1978-03-30 | 1982-05-25 | Bruce D. Wells | Regeneration of activated carbon employed in the wet process production of phosphoric acid |
| FR2437377A1 (fr) * | 1978-09-29 | 1980-04-25 | Rhone Poulenc Ind | Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire |
| AU5545180A (en) * | 1979-02-21 | 1980-08-28 | Calgon Corporation | Purifying brown phosphoric acid |
| US4407725A (en) | 1980-08-21 | 1983-10-04 | International Minerals & Chemical Corp. | Regeneration of activated carbon |
| DE3444975A1 (de) * | 1984-12-10 | 1986-06-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entarsenierung von phosphorsauren loesungen |
| CN103030124B (zh) * | 2011-12-16 | 2014-12-31 | 湖北兴发化工集团股份有限公司 | 一种利用中低品位磷矿制备食品级磷酸的方法 |
| CN109795996A (zh) * | 2019-03-26 | 2019-05-24 | 陕西金禹科技发展有限公司 | 一种湿法磷酸硫化除砷净化装置及方法 |
| CN114832747A (zh) * | 2022-04-06 | 2022-08-02 | 瓮福（集团）有限责任公司 | 一种磷酸净化脱砷装置 |
| CN114804047A (zh) * | 2022-04-06 | 2022-07-29 | 瓮福（集团）有限责任公司 | 一种磷酸净化脱砷工艺 |
| CN115159482B (zh) * | 2022-07-28 | 2024-01-23 | 黄冈Tcl环境科技有限公司 | 一种通过废磷酸蚀刻液净化制备电子级磷酸的方法 |
| CN115924871B (zh) * | 2022-12-02 | 2023-09-15 | 上海太洋科技有限公司 | 一种光学级偏磷酸铜的制备方法 |
| CN116281910A (zh) * | 2023-01-10 | 2023-06-23 | 瓮福（集团）有限责任公司 | 一种利用湿法净化磷酸副产物制备饲料级磷酸氢钙的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL295743A (enrdf_load_stackoverflow) * | 1962-07-25 |
-
1973
- 1973-06-21 JP JP7021873A patent/JPS5018388A/ja active Pending
-
1974
- 1974-06-21 FR FR7421718A patent/FR2234228B1/fr not_active Expired
- 1974-06-21 DE DE19742429758 patent/DE2429758A1/de active Pending
- 1974-06-21 GB GB2778574A patent/GB1442919A/en not_active Expired
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2530658A1 (de) * | 1974-07-09 | 1976-01-29 | Toyo Soda Mfg Co Ltd | Verfahren zur herstellung von reiner phosphorsaeure |
| DE2538720A1 (de) * | 1975-08-30 | 1977-03-10 | Giulini Gmbh Geb | Verfahren zur reinigung von nassverfahrensphosphorsaeure, insbesondere fluorentfernung |
| DE2704545A1 (de) * | 1976-02-13 | 1977-08-18 | Toyo Soda Mfg Co Ltd | Verfahren zur herstellung von reiner phosphorsaeure |
| DE2704074A1 (de) * | 1976-02-13 | 1977-08-18 | Toyo Soda Mfg Co Ltd | Verfahren zur reinigung von extrahierter phosphorsaeure |
| US4250155A (en) * | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
| US4378340A (en) | 1979-05-10 | 1983-03-29 | Boliden Aktiebolag | Method of purifying phosphoric acid of heavy metals |
| WO1980002418A1 (en) * | 1979-05-10 | 1980-11-13 | Boliden Ab | A method of purifying phosphoric acid of heavy metals |
| DK151216B (da) * | 1979-05-10 | 1987-11-16 | Boliden Ab | Fremgangsmaade til fjernelse af tunge metaller, isaer cadmium, fra phosphorsyre fremstillet ved den vaade metode |
| EP0029132A1 (de) * | 1979-11-14 | 1981-05-27 | Hoechst Aktiengesellschaft | Verfahren zur Reinigung von Nassverfahrensphosphorsäure |
| US4321245A (en) | 1979-11-14 | 1982-03-23 | Hoechst Aktiengesellschaft | Process for the purification of wet-processed phosphoric acid |
| DE3301293A1 (de) * | 1982-01-18 | 1983-07-28 | Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi | Verfahren zur entfernung von organischen materialien aus einer auf nassem wege hergestellten phosphorsaeure |
| FR2520342A1 (fr) * | 1982-01-25 | 1983-07-29 | Rhone Poulenc Chim Base | Procede de purification d'acide phosphorique de voie humide |
| EP0136905A3 (en) * | 1983-10-03 | 1986-09-17 | Guillermo Rangel Gurza | Method of purification of phosphoric acid |
| US4906445A (en) * | 1988-03-03 | 1990-03-06 | Hoechst Aktiengesellschaft | Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid |
| CN103979510A (zh) * | 2014-04-25 | 2014-08-13 | 防城港博森化工有限公司 | 一种磷酸生产中的脱砷方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5018388A (enrdf_load_stackoverflow) | 1975-02-26 |
| FR2234228B1 (enrdf_load_stackoverflow) | 1976-10-22 |
| GB1442919A (en) | 1976-07-14 |
| FR2234228A1 (enrdf_load_stackoverflow) | 1975-01-17 |
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