GB1442919A - Process for purification of phosphoric acid - Google Patents
Process for purification of phosphoric acidInfo
- Publication number
- GB1442919A GB1442919A GB2778574A GB2778574A GB1442919A GB 1442919 A GB1442919 A GB 1442919A GB 2778574 A GB2778574 A GB 2778574A GB 2778574 A GB2778574 A GB 2778574A GB 1442919 A GB1442919 A GB 1442919A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phosphoric acid
- crude
- acid
- purification
- june
- 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
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 238000000746 purification Methods 0.000 title abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 5
- 239000002253 acid Substances 0.000 abstract 3
- 239000000356 contaminant Substances 0.000 abstract 2
- 239000000126 substance Substances 0.000 abstract 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 abstract 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052785 arsenic Inorganic materials 0.000 abstract 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000002367 phosphate rock Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 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
- 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)
- Silicon Compounds (AREA)
- Extraction Or Liquid Replacement (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 |
|---|---|
| GB1442919A true GB1442919A (en) | 1976-07-14 |
Family
ID=13425172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2778574A Expired GB1442919A (en) | 1973-06-21 | 1974-06-21 | Process for purification of phosphoric acid |
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 (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015809A3 (en) * | 1979-02-21 | 1981-04-29 | Calgon Corporation | Improved process and system for purifying brown phosphoric acid |
| FR2520342A1 (fr) * | 1982-01-25 | 1983-07-29 | Rhone Poulenc Chim Base | Procede de purification d'acide phosphorique de voie humide |
| US4407725A (en) | 1980-08-21 | 1983-10-04 | International Minerals & Chemical Corp. | Regeneration of activated carbon |
| US4495165A (en) * | 1983-10-03 | 1985-01-22 | Gurza Guillermo R | Method of purification of phosphoric acid |
| US4637922A (en) * | 1982-01-18 | 1987-01-20 | Toyo Soda Manufacturing Co., Ltd. | Method for removing organic materials from a wet process phosphoric acid |
| CN103030124A (zh) * | 2011-12-16 | 2013-04-10 | 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 |
| 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 |
| CN115159482A (zh) * | 2022-07-28 | 2022-10-11 | 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 |
| 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 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS516894A (en) * | 1974-07-09 | 1976-01-20 | Toyo Soda Mfg Co Ltd | Seiseirinsanno seizoho |
| DE2538720C2 (de) * | 1975-08-30 | 1982-11-18 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Reinigung von Naßverfahrensphosphorsäure |
| JPS5297393A (en) * | 1976-02-13 | 1977-08-16 | Toyo Soda Mfg Co Ltd | Purification of extracted phosphoric acid |
| US4070443A (en) * | 1976-02-13 | 1978-01-24 | Toyo Soda Manufacturing Co., Ltd. | Process for removing sulfate ions from extracted phosphoric acid with a barium compound |
| 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 |
| US4250155A (en) * | 1978-06-09 | 1981-02-10 | Gardinier, Inc. | Method of purifying phosphoric acid after solvent extraction |
| FR2437377A1 (fr) * | 1978-09-29 | 1980-04-25 | Rhone Poulenc Ind | Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire |
| SE418845B (sv) * | 1979-05-10 | 1981-06-29 | Boliden Ab | Forfarande for rening av vatprocessfosforsyra |
| DE2945874A1 (de) | 1979-11-14 | 1981-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur reinigung von nassverfahrenphosphorsaeure |
| DE3444975A1 (de) * | 1984-12-10 | 1986-06-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entarsenierung von phosphorsauren loesungen |
| DE3806822A1 (de) * | 1988-03-03 | 1989-09-14 | Hoechst Ag | Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure |
| 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 |
| 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 |
| 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 |
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 (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0015809A3 (en) * | 1979-02-21 | 1981-04-29 | Calgon Corporation | Improved process and system for purifying brown phosphoric acid |
| US4407725A (en) | 1980-08-21 | 1983-10-04 | International Minerals & Chemical Corp. | Regeneration of activated carbon |
| US4637922A (en) * | 1982-01-18 | 1987-01-20 | Toyo Soda Manufacturing Co., Ltd. | Method for removing organic materials from a wet process phosphoric acid |
| FR2520342A1 (fr) * | 1982-01-25 | 1983-07-29 | Rhone Poulenc Chim Base | Procede de purification d'acide phosphorique de voie humide |
| US4495165A (en) * | 1983-10-03 | 1985-01-22 | Gurza Guillermo R | Method of purification of phosphoric acid |
| CN103030124A (zh) * | 2011-12-16 | 2013-04-10 | 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 |
| 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 |
| CN115159482A (zh) * | 2022-07-28 | 2022-10-11 | 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 |
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2429758A1 (de) | 1975-01-23 |
| JPS5018388A (enrdf_load_stackoverflow) | 1975-02-26 |
| FR2234228B1 (enrdf_load_stackoverflow) | 1976-10-22 |
| FR2234228A1 (enrdf_load_stackoverflow) | 1975-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |