CA1041733A - Purification de l'acide phosphorique - Google Patents

Purification de l'acide phosphorique

Info

Publication number: CA1041733A
Authority: CA; Canada
Prior art keywords: acid; extract; phosphoric acid; ketone; aqueous
Prior art date: 1972-04-26
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

CA267,812A

Other languages

English (en)

Inventor

Thomas A. Williams

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.)

1972-04-26

Filing date

1976-12-14

Publication date

1978-11-07

1972-04-26 Priority claimed from GB1947672A external-priority patent/GB1436113A/en

1976-12-14 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 CA1041733A publication Critical patent/CA1041733A/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 108
229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 41
238000000746 purification Methods 0.000 title abstract description 7
238000000034 method Methods 0.000 claims abstract description 63
239000002253 acid Substances 0.000 claims abstract description 57
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims abstract description 16
UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims abstract description 16
239000007864 aqueous solution Substances 0.000 claims abstract description 7
235000011007 phosphoric acid Nutrition 0.000 claims description 66
150000002576 ketones Chemical class 0.000 claims description 28
238000000605 extraction Methods 0.000 claims description 12
239000008346 aqueous phase Substances 0.000 claims description 10
238000005201 scrubbing Methods 0.000 claims description 9
238000004519 manufacturing process Methods 0.000 claims description 6
239000012074 organic phase Substances 0.000 claims description 6
239000012071 phase Substances 0.000 claims description 6
150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 6
229940043265 methyl isobutyl ketone Drugs 0.000 claims 5
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims 1
230000015572 biosynthetic process Effects 0.000 claims 1
239000002904 solvent Substances 0.000 abstract description 16
238000000638 solvent extraction Methods 0.000 abstract description 6
150000003016 phosphoric acids Chemical class 0.000 abstract 1
229960004838 phosphoric acid Drugs 0.000 description 26
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
235000011149 sulphuric acid Nutrition 0.000 description 8
239000012535 impurity Substances 0.000 description 7
239000000203 mixture Substances 0.000 description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
229910017604 nitric acid Inorganic materials 0.000 description 4
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
-1 alkyl phosphates Chemical class 0.000 description 3
239000003337 fertilizer Substances 0.000 description 3
239000011777 magnesium Substances 0.000 description 3
239000002367 phosphate rock Substances 0.000 description 3
239000001117 sulphuric acid Substances 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-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
238000009835 boiling Methods 0.000 description 2
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 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
238000004821 distillation Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
150000002170 ethers Chemical class 0.000 description 2
239000012467 final product Substances 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
235000021317 phosphate Nutrition 0.000 description 2
241000894007 species Species 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
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
240000008881 Oenanthe javanica Species 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
150000001412 amines Chemical class 0.000 description 1
239000000908 ammonium hydroxide Substances 0.000 description 1
235000011114 ammonium hydroxide Nutrition 0.000 description 1
239000011575 calcium Substances 0.000 description 1
239000001175 calcium sulphate Substances 0.000 description 1
235000011132 calcium sulphate Nutrition 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
238000006243 chemical reaction Methods 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
238000001914 filtration Methods 0.000 description 1
150000004673 fluoride salts Chemical class 0.000 description 1
230000005484 gravity Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000000463 material Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000011368 organic material Substances 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
238000000247 postprecipitation Methods 0.000 description 1
235000011118 potassium hydroxide Nutrition 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
239000000047 product Substances 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
238000000926 separation method Methods 0.000 description 1
239000010454 slate Substances 0.000 description 1
239000002002 slurry Substances 0.000 description 1
235000011121 sodium hydroxide Nutrition 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
238000007738 vacuum evaporation Methods 0.000 description 1

Landscapes

Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Extraction Or Liquid Replacement (AREA)

CA267,812A 1972-04-26 1976-12-14 Purification de l'acide phosphorique Expired CA1041733A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB1947672A GB1436113A (en)	1972-04-26	1972-04-26	Purification of phosphoric acid
CA170,075A CA1004828A (en)	1972-04-26	1973-04-24	Purification of phosphoric acid

Publications (1)

Publication Number	Publication Date
CA1041733A true CA1041733A (fr)	1978-11-07

Family

ID=25667264

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA267,812A Expired CA1041733A (fr)	1972-04-26	1976-12-14	Purification de l'acide phosphorique

Country Status (1)

Country	Link
CA (1)	CA1041733A (fr)

1976
- 1976-12-14 CA CA267,812A patent/CA1041733A/fr not_active Expired

Publication	Publication Date	Title
EP2864249B1 (fr)	2019-12-11	Production de phosphates d'ammonium
US2880063A (en)	1959-03-31	Process for the preparation of phosphoric acid
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
US4132540A (en)	1979-01-02	Process for removing solvent from the raffinate of extracted phosphoric acid and for preparing phosphate salts
US3338674A (en)	1967-08-29	Process for preparation of substantially pure phosphoric acid
US20230234849A1 (en)	2023-07-27	Production of Potassium Phosphates
US4222994A (en)	1980-09-16	Solvent extraction purification of wet-processed phosphoric acid
US3366448A (en)	1968-01-30	Method for treatment of impure phosphoric acid solutions to produce purified phosphoric acid
US3914382A (en)	1975-10-21	Purification of wet process phosphoric acid using methyl-iso-butyl ketone
FI59077C (fi)	1981-06-10	Foerfarande foer rening av vaotprocessfosforsyra
IL45043A (en)	1977-10-31	Purification of phosphoric acid by means of organic solvents
US3912803A (en)	1975-10-14	Purification of phosphoric acid
US4132765A (en)	1979-01-02	Recovery of fluoride values
US4127640A (en)	1978-11-28	Purification of phosphoric acid by solvent extraction using hexanones
US4200620A (en)	1980-04-29	Decontamination of wet-processed phosphoric acid
US3363978A (en)	1968-01-16	Process for recovering phosphoric acid from aqueous solutions containing nitric acid and phosphoric acid
US4196180A (en)	1980-04-01	Purification of phosphoric acid by means of organic solvents
US4439408A (en)	1984-03-27	Process and extractant for removing fluorine compounds from aqueous phosphoric acid
US3433592A (en)	1969-03-18	Method of purifying phosphoric acid
US3767769A (en)	1973-10-23	Extraction of phosphoric acid at saline solutions state
US3388967A (en)	1968-06-18	Phosphoric acid purification
US3433584A (en)	1969-03-18	Production of potassium nitrate from calcium nitrate
US3525585A (en)	1970-08-25	Process of preparing water-soluble phosphates
CA1041734A (fr)	1978-11-07	Purification de l'acide phosphorique
US3956465A (en)	1976-05-11	Solvent purification of wet process phosphoric acid