CA1041734A - Purification de l'acide phosphorique - Google Patents

Purification de l'acide phosphorique

Info

Publication number: CA1041734A
Authority: CA; Canada
Prior art keywords: acid; phosphoric acid; aqueous; solvent; h3po4
Prior art date: 1972-10-02
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

Application number

CA270,482A

Other languages

English (en)

Inventor

Thomas A. Williams

Frank M. Cussons

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Solvay Solutions UK Ltd

Original Assignee

Albright and Wilson Ltd

Priority date (The priority date 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 date listed.)

1972-10-02

Filing date

1977-01-26

Publication date

1978-11-07

1973-04-24 Priority claimed from CA170,075A external-priority patent/CA1004828A/en

1977-01-26 Application filed by Albright and Wilson Ltd filed Critical Albright and Wilson Ltd

1978-11-07 Application granted granted Critical

1978-11-07 Publication of CA1041734A publication Critical patent/CA1041734A/fr

Status Expired legal-status Critical Current

Links

NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 191
229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 70
238000000746 purification Methods 0.000 title abstract description 10
235000011007 phosphoric acid Nutrition 0.000 claims abstract description 120
239000002253 acid Substances 0.000 claims abstract description 91
238000000034 method Methods 0.000 claims abstract description 62
229910001868 water Inorganic materials 0.000 claims abstract description 43
239000002904 solvent Substances 0.000 claims abstract description 40
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
239000013078 crystal Substances 0.000 claims abstract description 25
238000000605 extraction Methods 0.000 claims abstract description 18
XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 claims abstract description 17
239000012452 mother liquor Substances 0.000 claims abstract description 14
238000001816 cooling Methods 0.000 claims abstract description 9
125000002015 acyclic group Chemical group 0.000 claims abstract description 4
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims abstract 3
150000002576 ketones Chemical class 0.000 claims description 38
239000000284 extract Substances 0.000 claims description 36
NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical group CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 19
UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 19
238000005201 scrubbing Methods 0.000 claims description 19
239000012535 impurity Substances 0.000 claims description 15
238000000638 solvent extraction Methods 0.000 claims description 13
239000011260 aqueous acid Substances 0.000 claims description 9
238000002425 crystallisation Methods 0.000 claims description 8
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 7
239000012074 organic phase Substances 0.000 claims description 7
125000004432 carbon atom Chemical group C* 0.000 claims description 6
230000008025 crystallization Effects 0.000 claims description 6
PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 claims description 6
239000008346 aqueous phase Substances 0.000 claims description 4
230000000694 effects Effects 0.000 claims description 4
229910052751 metal Inorganic materials 0.000 claims description 4
239000002184 metal Substances 0.000 claims description 4
ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 3
239000003960 organic solvent Substances 0.000 claims description 3
STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 3
230000015572 biosynthetic process Effects 0.000 claims description 2
238000007738 vacuum evaporation Methods 0.000 claims description 2
239000012044 organic layer Substances 0.000 claims 4
238000004064 recycling Methods 0.000 claims 2
230000008602 contraction Effects 0.000 claims 1
QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 abstract description 5
229960004838 phosphoric acid Drugs 0.000 description 53
229940043265 methyl isobutyl ketone Drugs 0.000 description 17
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
235000011149 sulphuric acid Nutrition 0.000 description 9
239000011777 magnesium Substances 0.000 description 7
238000004519 manufacturing process Methods 0.000 description 7
239000000203 mixture Substances 0.000 description 7
FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 6
239000012071 phase Substances 0.000 description 6
239000002367 phosphate rock Substances 0.000 description 5
239000001117 sulphuric acid Substances 0.000 description 5
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
229910052742 iron Inorganic materials 0.000 description 4
229910052749 magnesium Inorganic materials 0.000 description 4
229910017604 nitric acid Inorganic materials 0.000 description 4
239000002002 slurry Substances 0.000 description 4
238000005406 washing Methods 0.000 description 4
150000003998 acyclic ketones Chemical class 0.000 description 3
-1 alkyl phosphates Chemical class 0.000 description 3
238000004821 distillation Methods 0.000 description 3
229910052731 fluorine Inorganic materials 0.000 description 3
239000000047 product Substances 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
229910019142 PO4 Inorganic materials 0.000 description 2
150000001298 alcohols Chemical class 0.000 description 2
125000001931 aliphatic group Chemical group 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
238000009835 boiling Methods 0.000 description 2
125000002091 cationic group Chemical group 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
239000011651 chromium Substances 0.000 description 2
JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
238000010586 diagram Methods 0.000 description 2
150000002170 ethers Chemical class 0.000 description 2
239000003337 fertilizer Substances 0.000 description 2
239000012467 final product Substances 0.000 description 2
239000007788 liquid Substances 0.000 description 2
235000021317 phosphate Nutrition 0.000 description 2
RPAJSBKBKSSMLJ-DFWYDOINSA-N (2s)-2-aminopentanedioic acid;hydrochloride Chemical class Cl.OC(=O)[C@@H](N)CCC(O)=O RPAJSBKBKSSMLJ-DFWYDOINSA-N 0.000 description 1
PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
239000012267 brine Substances 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000011575 calcium Substances 0.000 description 1
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
239000001175 calcium sulphate Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000001914 filtration Methods 0.000 description 1
150000002222 fluorine compounds Chemical class 0.000 description 1
230000005484 gravity Effects 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical class [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
150000001457 metallic cations Chemical class 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
239000011368 organic material Substances 0.000 description 1
235000014366 other mixer Nutrition 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
239000011574 phosphorus Substances 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
238000000247 postprecipitation Methods 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000005185 salting out Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000010454 slate Substances 0.000 description 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1

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Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CA270,482A 1972-10-02 1977-01-26 Purification de l'acide phosphorique Expired CA1041734A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB4538072		1972-10-02
CA170,075A CA1004828A (en)	1972-04-26	1973-04-24	Purification of phosphoric acid

Publications (1)

Publication Number	Publication Date
CA1041734A true CA1041734A (fr)	1978-11-07

Family

ID=25667265

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA270,482A Expired CA1041734A (fr)	1972-10-02	1977-01-26	Purification de l'acide phosphorique

Country Status (1)

Country	Link
CA (1)	CA1041734A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114436229A (zh) *	2022-01-29	2022-05-06	贵州芭田生态工程有限公司	一种通过磷矿制备磷酸并副产硝酸磷肥的制备方法

1977
- 1977-01-26 CA CA270,482A patent/CA1041734A/fr not_active Expired

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN114436229A (zh) *	2022-01-29	2022-05-06	贵州芭田生态工程有限公司	一种通过磷矿制备磷酸并副产硝酸磷肥的制备方法

Publication	Publication Date	Title
EP2864249B1 (fr)	2019-12-11	Production de phosphates d'ammonium
US3556739A (en)	1971-01-19	Cleaning phosphoric acid including recovery from the organic solvent by heating to stratify into an acid layer and an organic layer
US6251351B1 (en)	2001-06-26	Wet-process technique for refining phosphoric acid
US4225568A (en)	1980-09-30	Process for the purification of an impure phosphoric acid
CA3180869A1 (fr)	2021-12-16	Production de phosphates de potassium
FI59077B (fi)	1981-02-27	Foerfarande foer rening av vaotprocessfosforsyra
IL45043A (en)	1977-10-31	Purification of phosphoric acid by means of organic solvents
US3366448A (en)	1968-01-30	Method for treatment of impure phosphoric acid solutions to produce purified phosphoric acid
US4222994A (en)	1980-09-16	Solvent extraction purification of wet-processed phosphoric acid
US3912803A (en)	1975-10-14	Purification of phosphoric acid
IL42065A (en)	1977-07-31	Purification of phosphoric acid
US4132765A (en)	1979-01-02	Recovery of fluoride values
US4108963A (en)	1978-08-22	Process for purifying phosphoric acid
US4196180A (en)	1980-04-01	Purification of phosphoric acid by means of organic solvents
US4275038A (en)	1981-06-23	Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients
US4127640A (en)	1978-11-28	Purification of phosphoric acid by solvent extraction using hexanones
US3433584A (en)	1969-03-18	Production of potassium nitrate from calcium nitrate
US4256716A (en)	1981-03-17	Process for treating loaded extractant from purification of phosphoric acid by extraction
US3388967A (en)	1968-06-18	Phosphoric acid purification
US3525585A (en)	1970-08-25	Process of preparing water-soluble phosphates
US20240417258A1 (en)	2024-12-19	Method, product and system for cogenerating ferric phosphate through nitrophosphate fertilizer device
IL22214A (en)	1968-03-28	Recovering phosphoric acid
CA1041733A (fr)	1978-11-07	Purification de l'acide phosphorique
US3996336A (en)	1976-12-07	Purification of phosphoric acid
US4751066A (en)	1988-06-14	Process for preparing alkali metal phosphate

CA1041734A - Purification de l'acide phosphorique - Google Patents

Info

Links

Landscapes

Applications Claiming Priority (2)

Publications (1)

Family

ID=25667265

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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