DE60000930D1 - Verfahren zur herstellung von phosphorsäure durch kristallisation von phosphorsäure hemihydrat - Google Patents
Verfahren zur herstellung von phosphorsäure durch kristallisation von phosphorsäure hemihydratInfo
- Publication number
- DE60000930D1 DE60000930D1 DE60000930T DE60000930T DE60000930D1 DE 60000930 D1 DE60000930 D1 DE 60000930D1 DE 60000930 T DE60000930 T DE 60000930T DE 60000930 T DE60000930 T DE 60000930T DE 60000930 D1 DE60000930 D1 DE 60000930D1
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- concentration
- crystals
- crystallized
- crystallization
- 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 abstract 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 9
- 238000004519 manufacturing process Methods 0.000 title 1
- 235000011007 phosphoric acid Nutrition 0.000 abstract 8
- 239000013078 crystal Substances 0.000 abstract 7
- 150000002500 ions Chemical class 0.000 abstract 5
- 239000012141 concentrate Substances 0.000 abstract 3
- 238000002425 crystallisation Methods 0.000 abstract 3
- 230000008025 crystallization Effects 0.000 abstract 3
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- 229910001425 magnesium ion Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009291 froth flotation Methods 0.000 abstract 1
- 238000007885 magnetic separation Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 238000001953 recrystallisation Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 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)
- Fodder In General (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Glass Compositions (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI990657A FI105909B (fi) | 1999-03-24 | 1999-03-24 | Menetelmä fosforihapon laadun parantamiseksi |
| PCT/FI2000/000239 WO2000059827A1 (en) | 1999-03-24 | 2000-03-23 | Process for production of phosphoric acid by crystallisation of phosphoric acid hemihydrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60000930D1 true DE60000930D1 (de) | 2003-01-16 |
| DE60000930T2 DE60000930T2 (de) | 2003-08-28 |
Family
ID=8554272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60000930T Expired - Lifetime DE60000930T2 (de) | 1999-03-24 | 2000-03-23 | Verfahren zur herstellung von phosphorsäure durch kristallisation von phosphorsäure hemihydrat |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6814949B1 (de) |
| EP (1) | EP1171382B1 (de) |
| CN (1) | CN1208240C (de) |
| AT (1) | ATE228967T1 (de) |
| AU (1) | AU3561100A (de) |
| CA (1) | CA2368699C (de) |
| DE (1) | DE60000930T2 (de) |
| DK (1) | DK1171382T3 (de) |
| ES (1) | ES2188522T3 (de) |
| FI (1) | FI105909B (de) |
| MA (1) | MA25446A1 (de) |
| PL (1) | PL201169B1 (de) |
| RU (1) | RU2226499C2 (de) |
| WO (1) | WO2000059827A1 (de) |
| ZA (1) | ZA200107624B (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100684983B1 (ko) | 2005-04-22 | 2007-02-20 | 한국화학연구원 | 세정을 포함한 경막결정화에 의한 인산의 정제방법 |
| 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 |
| EP2471739A1 (de) * | 2011-01-04 | 2012-07-04 | Solvay Sa | Reinigungsverfahren für Phosphorsäure |
| CN102583285B (zh) * | 2012-02-28 | 2013-11-13 | 瓮福（集团）有限责任公司 | 肥料级磷酸制备高浓度磷酸的方法 |
| CN102674276B (zh) * | 2012-05-18 | 2014-07-02 | 甘肃瓮福化工有限责任公司 | 一种利用磷精矿粉生产矿浆的装置及其方法 |
| CN103274378B (zh) * | 2013-06-13 | 2014-12-17 | 四川商舟实业有限公司 | 电式煅烧炉及其在制备工业级磷酸中的应用 |
| CN103496716B (zh) * | 2013-10-22 | 2014-12-10 | 武汉科技大学 | 焦化粗硫铵耦合蒸发溶析结晶生产工业优等品硫铵的方法 |
| FR3073218B1 (fr) * | 2017-11-09 | 2022-04-01 | Coatex Sas | Preparation d'acide phosphorique |
| CN110395919B (zh) * | 2019-08-09 | 2021-10-22 | 中国科学院沈阳应用生态研究所 | 一种含砷石膏资源化处理的方法及处理所得低砷石膏的应用 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3404777A (en) * | 1965-05-07 | 1968-10-08 | Armour & Co | Froth flotation with secondary-alkyl primary amines |
| US3642439A (en) | 1969-10-15 | 1972-02-15 | Allied Chem | Method of separating magnesium from wet-process phosphoric acid |
| US3819810A (en) | 1971-01-22 | 1974-06-25 | Fmc Corp | Phosphoric acid purification |
| IL49211A (en) * | 1972-10-02 | 1977-07-31 | Albright & Wilson | Process for purifying wet process phorphoric acid |
| US4299804A (en) | 1978-03-09 | 1981-11-10 | Agrico Chemical Company | Removal of magnesium and aluminum impurities from wet process phosphoric acid |
| US4243643A (en) | 1978-10-25 | 1981-01-06 | Occidental Chemical Company | Metallic ion removal from phosphoric acid |
| GB2078694B (en) * | 1980-05-21 | 1984-06-13 | Albright & Wilson | Crystallizing phosphoric acid |
| US4487750A (en) * | 1983-08-01 | 1984-12-11 | Freeport Minerals Company | Stabilization of wet process phosphoric acid |
| US4657559A (en) * | 1985-05-08 | 1987-04-14 | Freeport Research And Engineering Company | Process for seed crystal preparation for phosphoric acid crystallization |
| US4655789A (en) * | 1985-05-08 | 1987-04-07 | Freeport Research And Engineering Company | Phosphoric acid crystallization process |
| JP3131433B2 (ja) | 1989-12-21 | 2001-01-31 | 日本化学工業株式会社 | 高純度リン酸の製造方法 |
| JPH03237008A (ja) | 1990-02-09 | 1991-10-22 | Shin Etsu Chem Co Ltd | 窒化ケイ素粉末の処理方法 |
| TW421606B (en) | 1995-06-21 | 2001-02-11 | Mohamed Takhim | Method of purifying substances by extraction from a liquid medium |
| RU2059570C1 (ru) | 1995-07-05 | 1996-05-10 | Николай Николаевич Бушуев | Способ очистки от примесей экстракционной фосфорной кислоты |
-
1999
- 1999-03-24 FI FI990657A patent/FI105909B/fi not_active IP Right Cessation
-
2000
- 2000-03-23 WO PCT/FI2000/000239 patent/WO2000059827A1/en active IP Right Grant
- 2000-03-23 CN CN00805336.7A patent/CN1208240C/zh not_active Expired - Fee Related
- 2000-03-23 AT AT00914207T patent/ATE228967T1/de not_active IP Right Cessation
- 2000-03-23 DE DE60000930T patent/DE60000930T2/de not_active Expired - Lifetime
- 2000-03-23 US US09/937,317 patent/US6814949B1/en not_active Expired - Lifetime
- 2000-03-23 PL PL350604A patent/PL201169B1/pl unknown
- 2000-03-23 DK DK00914207T patent/DK1171382T3/da active
- 2000-03-23 AU AU35611/00A patent/AU3561100A/en not_active Abandoned
- 2000-03-23 EP EP00914207A patent/EP1171382B1/de not_active Expired - Lifetime
- 2000-03-23 ES ES00914207T patent/ES2188522T3/es not_active Expired - Lifetime
- 2000-03-23 RU RU2001128226/15A patent/RU2226499C2/ru not_active IP Right Cessation
- 2000-03-23 CA CA002368699A patent/CA2368699C/en not_active Expired - Lifetime
-
2001
- 2001-09-17 ZA ZA200107624A patent/ZA200107624B/xx unknown
- 2001-10-18 MA MA26364A patent/MA25446A1/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DK1171382T3 (da) | 2003-03-24 |
| ATE228967T1 (de) | 2002-12-15 |
| CN1208240C (zh) | 2005-06-29 |
| AU3561100A (en) | 2000-10-23 |
| CA2368699C (en) | 2008-11-25 |
| ES2188522T3 (es) | 2003-07-01 |
| ZA200107624B (en) | 2002-08-28 |
| CA2368699A1 (en) | 2000-10-12 |
| FI105909B (fi) | 2000-10-31 |
| WO2000059827A1 (en) | 2000-10-12 |
| PL350604A1 (en) | 2003-01-13 |
| RU2226499C2 (ru) | 2004-04-10 |
| EP1171382A1 (de) | 2002-01-16 |
| FI990657A0 (fi) | 1999-03-24 |
| CN1344226A (zh) | 2002-04-10 |
| MA25446A1 (fr) | 2002-07-01 |
| EP1171382B1 (de) | 2002-12-04 |
| US6814949B1 (en) | 2004-11-09 |
| PL201169B1 (pl) | 2009-03-31 |
| DE60000930T2 (de) | 2003-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KEMPHOS OY, HELSINKI, FI |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: CRYSTALIS OY, SIILINJAERVI, FI |