KR100729320B1 - 고순도 인산 및 그 제조 방법 - Google Patents
고순도 인산 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100729320B1 KR100729320B1 KR1020057011686A KR20057011686A KR100729320B1 KR 100729320 B1 KR100729320 B1 KR 100729320B1 KR 1020057011686 A KR1020057011686 A KR 1020057011686A KR 20057011686 A KR20057011686 A KR 20057011686A KR 100729320 B1 KR100729320 B1 KR 100729320B1
- Authority
- KR
- South Korea
- Prior art keywords
- phosphoric acid
- high purity
- hydrogen sulfide
- crude
- gas
- 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.)
- Expired - Lifetime
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 474
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 237
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 58
- 239000012535 impurity Substances 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000002184 metal Substances 0.000 claims abstract description 28
- -1 sulfide ions Chemical class 0.000 claims abstract description 26
- 238000005530 etching Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 83
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 20
- 230000032683 aging Effects 0.000 claims description 13
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000000887 hydrating effect Effects 0.000 claims description 3
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 claims 1
- 229910052787 antimony Inorganic materials 0.000 abstract description 31
- 239000004065 semiconductor Substances 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 7
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000919 ceramic Substances 0.000 abstract description 4
- 239000011521 glass Substances 0.000 abstract description 4
- 239000013307 optical fiber Substances 0.000 abstract description 4
- 239000005365 phosphate glass Substances 0.000 abstract description 3
- 239000012776 electronic material Substances 0.000 abstract description 2
- 239000002778 food additive Substances 0.000 abstract description 2
- 235000013373 food additive Nutrition 0.000 abstract description 2
- 229910052785 arsenic Inorganic materials 0.000 description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000000243 solution Substances 0.000 description 17
- 238000001514 detection method Methods 0.000 description 15
- 239000007788 liquid Substances 0.000 description 15
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 13
- 150000002739 metals Chemical class 0.000 description 13
- 150000004763 sulfides Chemical class 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 238000002425 crystallisation Methods 0.000 description 8
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000007664 blowing Methods 0.000 description 5
- 238000011088 calibration curve Methods 0.000 description 5
- 229940046892 lead acetate Drugs 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 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
- 238000011049 filling Methods 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 4
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 229910000039 hydrogen halide Inorganic materials 0.000 description 3
- 239000012433 hydrogen halide Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000012086 standard solution Substances 0.000 description 3
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229940045803 cuprous chloride Drugs 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000001177 diphosphate Substances 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 2
- 235000011180 diphosphates Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011085 pressure filtration Methods 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XPDICGYEJXYUDW-UHFFFAOYSA-N tetraarsenic tetrasulfide Chemical compound S1[As]2S[As]3[As]1S[As]2S3 XPDICGYEJXYUDW-UHFFFAOYSA-N 0.000 description 2
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910000004 White lead Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052946 acanthite Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012490 blank solution Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- QNDQILQPPKQROV-UHFFFAOYSA-N dizinc Chemical compound [Zn]=[Zn] QNDQILQPPKQROV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052981 lead sulfide Inorganic materials 0.000 description 1
- 229940056932 lead sulfide Drugs 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229940056910 silver sulfide Drugs 0.000 description 1
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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
-
- 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
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
-
- 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
- C01B25/20—Preparation from elemental phosphorus or phosphoric anhydride
-
- 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
-
- 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
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Weting (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2003-00189631 | 2003-07-01 | ||
| JP2003189631A JP4316946B2 (ja) | 2003-07-01 | 2003-07-01 | 高純度リン酸及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050099497A KR20050099497A (ko) | 2005-10-13 |
| KR100729320B1 true KR100729320B1 (ko) | 2007-06-15 |
Family
ID=33562298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057011686A Expired - Lifetime KR100729320B1 (ko) | 2003-07-01 | 2004-06-28 | 고순도 인산 및 그 제조 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7470414B2 (https=) |
| EP (1) | EP1640340B1 (https=) |
| JP (1) | JP4316946B2 (https=) |
| KR (1) | KR100729320B1 (https=) |
| CN (1) | CN100340474C (https=) |
| TW (1) | TWI272246B (https=) |
| WO (1) | WO2005003026A1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101955186B1 (ko) | 2017-09-07 | 2019-03-07 | 손원일 | 초고순도 인산 제조용 반응기 |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7824633B2 (en) * | 2006-11-21 | 2010-11-02 | Freeport-Mcmoran Corporation | System and method for conversion of molybdenite to one or more molybdenum oxides |
| JP5242061B2 (ja) * | 2007-02-08 | 2013-07-24 | 日本リファイン株式会社 | 複数の金属イオンを含むリン酸水溶液から精製リン酸を得る方法及び装置 |
| JP2008247733A (ja) * | 2007-03-14 | 2008-10-16 | Niro Process Technology Bv | リン酸リッチストリームの精製 |
| TWI391320B (zh) * | 2008-10-16 | 2013-04-01 | Ecophos S A | 高純度磷酸生產之製程 |
| CN101531353B (zh) * | 2009-04-28 | 2013-09-25 | 云南省化工研究院 | 一种用黄磷直接制取电子级磷酸的方法 |
| CN101691213B (zh) * | 2009-10-10 | 2011-07-20 | 武汉工程大学 | 脱除湿法磷酸中金属离子的工艺 |
| JP5554165B2 (ja) * | 2010-07-09 | 2014-07-23 | 日本化学工業株式会社 | 高純度元素リンの製造方法および高純度リン酸の製造方法 |
| WO2013142022A1 (en) | 2012-03-23 | 2013-09-26 | Kennecott Utah Copper Llc | Process for the conversion of molybdenite to molybdenum oxide |
| DE102014006278B3 (de) * | 2014-05-02 | 2015-02-26 | Remondis Aqua Gmbh & Co. Kg | Verfahren zur Reinigung von Roh-Phosphorsäure (z.B. MGA-Säure) durch Zugabe von Aschen aus Abfall-Verbrennungsanlagen umfassend die Gewinnung von reiner Phosphorsäure, Kalziumsulfat, wasserlöslichen Kalziumhydrogenphosphaten und Metallsalz-Lösung |
| CN104588381A (zh) * | 2014-12-30 | 2015-05-06 | 铜陵鑫克精细化工有限责任公司 | 溶剂萃取法净化湿法磷酸的萃取装置的清洗方法 |
| KR102633772B1 (ko) * | 2018-04-12 | 2024-02-05 | 오씨아이 주식회사 | 고순도 인산의 제조 방법 |
| KR102818597B1 (ko) | 2018-09-12 | 2025-06-10 | 후지필름 일렉트로닉 머티리얼스 유.에스.에이., 아이엔씨. | 식각 조성물 |
| CN108910850A (zh) * | 2018-09-25 | 2018-11-30 | 湖北兴福电子材料有限公司 | 一种热法电子级磷酸脱砷方法 |
| CN112279230A (zh) * | 2019-07-23 | 2021-01-29 | 东泰高科装备科技有限公司 | 磷酸的制备方法 |
| CN113955731B (zh) * | 2021-12-08 | 2024-03-01 | 昆明云盘山农牧科技有限公司 | 一种含有颗粒状饲料级磷酸二氢钙制备方法 |
| PL440852A1 (pl) * | 2022-04-04 | 2023-10-09 | Alventa Spółka Akcyjna | Sposób oczyszczania kwasu fosforowego(V) na potrzeby krystalizacji statycznej do otrzymywania kwasu jakości odpowiedniej dla branży półprzewodników |
| CN117963858A (zh) * | 2024-02-01 | 2024-05-03 | 云南云天化股份有限公司 | 一种以工业黄磷制备的高纯多聚磷酸方法 |
| CN119797293A (zh) * | 2025-01-14 | 2025-04-11 | 广西钦州澄星化工科技有限公司 | 一种铁离子低含量的磷酸生产方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62191409A (ja) | 1986-02-13 | 1987-08-21 | ヘキスト・アクチエンゲゼルシヤフト | 無機酸から重金属を除去する方法 |
| JPH01131009A (ja) * | 1987-10-13 | 1989-05-23 | Fmc Corp | 電気半導体用りん酸の精製法 |
| JPH06171913A (ja) * | 1992-12-10 | 1994-06-21 | Mitsui Toatsu Chem Inc | 燐酸液の改質方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2174158A (en) | 1937-11-11 | 1939-09-26 | Du Pont | Phosphoric acid purification |
| JPS4414692Y1 (https=) | 1966-12-15 | 1969-06-23 | ||
| DE2109970C3 (de) | 1971-03-03 | 1980-03-20 | Hoechst Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur Entarsenierung von Polyphosphorsäure |
| JPS5673608A (en) * | 1979-11-20 | 1981-06-18 | Mitsui Toatsu Chem Inc | Removing method for organic matter in wet process phosphoric acid |
| DE3134847A1 (de) * | 1981-09-03 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "verfahren zur gewinnung cadmium-freier rohphosphorsaeure" |
| US4816241A (en) * | 1982-02-16 | 1989-03-28 | J. R. Simplot Co. | Gaseous reduction of phosphoric acid |
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2003
- 2003-07-01 JP JP2003189631A patent/JP4316946B2/ja not_active Expired - Lifetime
-
2004
- 2004-06-28 WO PCT/JP2004/009112 patent/WO2005003026A1/ja not_active Ceased
- 2004-06-28 US US10/539,441 patent/US7470414B2/en not_active Expired - Lifetime
- 2004-06-28 CN CNB2004800015995A patent/CN100340474C/zh not_active Expired - Lifetime
- 2004-06-28 EP EP04746581A patent/EP1640340B1/en not_active Expired - Lifetime
- 2004-06-28 KR KR1020057011686A patent/KR100729320B1/ko not_active Expired - Lifetime
- 2004-06-30 TW TW093119492A patent/TWI272246B/zh not_active IP Right Cessation
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| JPS62191409A (ja) | 1986-02-13 | 1987-08-21 | ヘキスト・アクチエンゲゼルシヤフト | 無機酸から重金属を除去する方法 |
| JPH01131009A (ja) * | 1987-10-13 | 1989-05-23 | Fmc Corp | 電気半導体用りん酸の精製法 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101955186B1 (ko) | 2017-09-07 | 2019-03-07 | 손원일 | 초고순도 인산 제조용 반응기 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7470414B2 (en) | 2008-12-30 |
| CN1717366A (zh) | 2006-01-04 |
| WO2005003026A1 (ja) | 2005-01-13 |
| EP1640340B1 (en) | 2012-08-01 |
| JP2005022919A (ja) | 2005-01-27 |
| CN100340474C (zh) | 2007-10-03 |
| EP1640340A4 (en) | 2007-07-18 |
| KR20050099497A (ko) | 2005-10-13 |
| TW200502163A (en) | 2005-01-16 |
| US20060073088A1 (en) | 2006-04-06 |
| JP4316946B2 (ja) | 2009-08-19 |
| TWI272246B (en) | 2007-02-01 |
| EP1640340A1 (en) | 2006-03-29 |
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