CA1042180A - Stabilisation de l'acide phosphorique prepare par voie humide - Google Patents

Stabilisation de l'acide phosphorique prepare par voie humide

Info

Publication number: CA1042180A
Authority: CA; Canada
Prior art keywords: phosphoric acid; weight; solution; content; solids
Prior art date: 1973-12-13
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

CA204,157A

Other languages

English (en)

Other versions

CA204157S (en

Inventor

Sergio O. Pierres

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.)

Fertilizantes Fosfatados Mexicanos SA

Original Assignee

Fertilizantes Fosfatados Mexicanos SA

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.)

1973-12-13

Filing date

1974-07-05

Publication date

1978-11-14

1974-07-05 Application filed by Fertilizantes Fosfatados Mexicanos SA filed Critical Fertilizantes Fosfatados Mexicanos SA

1978-11-14 Application granted granted Critical

1978-11-14 Publication of CA1042180A publication Critical patent/CA1042180A/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 118
229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 59
238000000034 method Methods 0.000 title claims abstract description 45
230000008569 process Effects 0.000 title claims description 9
230000006641 stabilisation Effects 0.000 title abstract description 4
238000011105 stabilization Methods 0.000 title abstract description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 43
239000002253 acid Substances 0.000 claims abstract description 31
230000032683 aging Effects 0.000 claims abstract description 24
239000007800 oxidant agent Substances 0.000 claims abstract description 17
239000000377 silicon dioxide Substances 0.000 claims abstract description 16
230000015572 biosynthetic process Effects 0.000 claims abstract description 13
239000007791 liquid phase Substances 0.000 claims abstract description 12
239000010802 sludge Substances 0.000 claims abstract description 12
239000007790 solid phase Substances 0.000 claims abstract description 9
239000007787 solid Substances 0.000 claims description 41
238000006243 chemical reaction Methods 0.000 claims description 20
229910052742 iron Inorganic materials 0.000 claims description 17
229910052782 aluminium Inorganic materials 0.000 claims description 15
239000012535 impurity Substances 0.000 claims description 15
229910052700 potassium Inorganic materials 0.000 claims description 11
238000005119 centrifugation Methods 0.000 claims description 10
239000000047 product Substances 0.000 claims description 7
239000002244 precipitate Substances 0.000 claims description 6
229910052708 sodium Inorganic materials 0.000 claims description 6
239000005909 Kieselgur Substances 0.000 claims description 5
229910052731 fluorine Inorganic materials 0.000 claims description 5
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical group O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
229910017604 nitric acid Inorganic materials 0.000 claims description 4
238000002360 preparation method Methods 0.000 claims description 3
229910052710 silicon Inorganic materials 0.000 claims description 3
230000008859 change Effects 0.000 claims description 2
238000004064 recycling Methods 0.000 claims 1
235000011007 phosphoric acid Nutrition 0.000 description 51
229960004838 phosphoric acid Drugs 0.000 description 51
239000000243 solution Substances 0.000 description 34
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 25
239000002367 phosphate rock Substances 0.000 description 12
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 9
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 9
239000011591 potassium Substances 0.000 description 9
238000003860 storage Methods 0.000 description 9
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
238000005352 clarification Methods 0.000 description 7
239000002002 slurry Substances 0.000 description 7
150000001875 compounds Chemical class 0.000 description 6
239000010440 gypsum Substances 0.000 description 6
229910052602 gypsum Inorganic materials 0.000 description 6
235000011132 calcium sulphate Nutrition 0.000 description 5
238000001556 precipitation Methods 0.000 description 5
239000011734 sodium Substances 0.000 description 5
239000001117 sulphuric acid Substances 0.000 description 5
235000011149 sulphuric acid Nutrition 0.000 description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
239000001175 calcium sulphate Substances 0.000 description 4
229940091249 fluoride supplement Drugs 0.000 description 4
239000000463 material Substances 0.000 description 4
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
229910019142 PO4 Inorganic materials 0.000 description 3
239000003929 acidic solution Substances 0.000 description 3
238000013019 agitation Methods 0.000 description 3
230000008901 benefit Effects 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
239000003337 fertilizer Substances 0.000 description 3
239000012467 final product Substances 0.000 description 3
239000011737 fluorine Substances 0.000 description 3
230000005484 gravity Effects 0.000 description 3
235000021317 phosphate Nutrition 0.000 description 3
238000000247 postprecipitation Methods 0.000 description 3
230000009467 reduction Effects 0.000 description 3
238000000926 separation method Methods 0.000 description 3
239000004254 Ammonium phosphate Substances 0.000 description 2
229910021529 ammonia Inorganic materials 0.000 description 2
229910000148 ammonium phosphate Inorganic materials 0.000 description 2
235000019289 ammonium phosphates Nutrition 0.000 description 2
239000003153 chemical reaction reagent Substances 0.000 description 2
238000001816 cooling Methods 0.000 description 2
239000013078 crystal Substances 0.000 description 2
MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
238000001914 filtration Methods 0.000 description 2
239000007788 liquid Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
239000010452 phosphate Substances 0.000 description 2
KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical class F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 1
229910003638 H2SiF6 Inorganic materials 0.000 description 1
229910021031 KMnO7 Inorganic materials 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
238000010306 acid treatment Methods 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000004913 activation Effects 0.000 description 1
ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical class O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
-1 aluminum phos-phates Chemical class 0.000 description 1
KJAZZOWIUGBRCT-UHFFFAOYSA-K aluminum;iron(2+);phosphate Chemical compound [Al+3].[Fe+2].[O-]P([O-])([O-])=O KJAZZOWIUGBRCT-UHFFFAOYSA-K 0.000 description 1
PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
239000000470 constituent Substances 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
230000029087 digestion Effects 0.000 description 1
238000001035 drying Methods 0.000 description 1
238000007429 general method Methods 0.000 description 1
229910001463 metal phosphate Inorganic materials 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000012071 phase Substances 0.000 description 1
RZSRVBMQQGDAIS-UHFFFAOYSA-K potassium;iron(2+);phosphate Chemical compound [K+].[Fe+2].[O-]P([O-])([O-])=O RZSRVBMQQGDAIS-UHFFFAOYSA-K 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000011435 rock Substances 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
239000010703 silicon Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
239000000126 substance Substances 0.000 description 1
ZEFWRWWINDLIIV-UHFFFAOYSA-N tetrafluorosilane;dihydrofluoride Chemical compound F.F.F[Si](F)(F)F ZEFWRWWINDLIIV-UHFFFAOYSA-N 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
238000005406 washing Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Silicon Compounds (AREA)
Removal Of Specific Substances (AREA)
Inorganic Compounds Of Heavy Metals (AREA)

CA204,157A 1973-12-13 1974-07-05 Stabilisation de l'acide phosphorique prepare par voie humide Expired CA1042180A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US42457873A	1973-12-13	1973-12-13

Publications (1)

Publication Number	Publication Date
CA1042180A true CA1042180A (fr)	1978-11-14

Family

ID=23683116

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA204,157A Expired CA1042180A (fr)	1973-12-13	1974-07-05	Stabilisation de l'acide phosphorique prepare par voie humide

Country Status (14)

Country	Link
JP (1)	JPS5092298A (fr)
BE (1)	BE820237A (fr)
BR (1)	BR7408497D0 (fr)
CA (1)	CA1042180A (fr)
DE (1)	DE2449209A1 (fr)
ES (1)	ES430912A1 (fr)
FR (1)	FR2254515B3 (fr)
GB (1)	GB1481976A (fr)
IL (1)	IL45680A (fr)
IN (1)	IN142371B (fr)
IT (1)	IT1021869B (fr)
NL (1)	NL7411428A (fr)
SE (1)	SE7412064L (fr)
ZA (1)	ZA745177B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2719701C3 (de) *	1976-05-06	1986-10-02	W.R. Grace & Co., New York, N.Y.	Verfahren zur Überführung von Naßphosphorsäure in eine nicht zu Ausfällungen neigende konzentrierte Phosphorsäure
AU499517B2 (en) *	1978-03-06	1979-04-26	W. R. Grace & Co	Treating wet-process phosphoric acid
LU80676A1 (fr) *	1978-12-19	1980-07-21	Metallurgie Hoboken	Procede pour enlever des agents salissants de l'acide phosphorique
RU2194668C1 (ru) *	2001-11-08	2002-12-20	Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам им. проф. Я.В.Самойлова"	Способ транспортировки экстракционной фосфорной кислоты

1974
- 1974-07-05 CA CA204,157A patent/CA1042180A/fr not_active Expired
- 1974-08-08 GB GB34993/74A patent/GB1481976A/en not_active Expired
- 1974-08-13 ZA ZA00745177A patent/ZA745177B/xx unknown
- 1974-08-21 IN IN1880/CAL/1974A patent/IN142371B/en unknown
- 1974-08-28 NL NL7411428A patent/NL7411428A/xx not_active Application Discontinuation
- 1974-09-16 IL IL45680A patent/IL45680A/xx unknown
- 1974-09-23 BE BE148807A patent/BE820237A/fr unknown
- 1974-09-24 JP JP49108933A patent/JPS5092298A/ja active Pending
- 1974-09-25 SE SE7412064A patent/SE7412064L/xx unknown
- 1974-10-11 ES ES430912A patent/ES430912A1/es not_active Expired
- 1974-10-11 BR BR8497/74A patent/BR7408497D0/pt unknown
- 1974-10-16 DE DE19742449209 patent/DE2449209A1/de active Pending
- 1974-10-21 IT IT53637/74A patent/IT1021869B/it active
- 1974-10-29 FR FR7436062A patent/FR2254515B3/fr not_active Expired

Also Published As

Publication number	Publication date
IT1021869B (it)	1978-02-20
FR2254515B3 (fr)	1977-08-05
BR7408497D0 (pt)	1975-09-02
SE7412064L (fr)	1975-06-16
IL45680A (en)	1978-03-10
ZA745177B (en)	1975-08-27
IL45680A0 (en)	1974-11-29
BE820237A (fr)	1975-01-16
FR2254515A1 (fr)	1975-07-11
NL7411428A (nl)	1975-06-17
IN142371B (fr)	1977-07-02
AU7108474A (en)	1976-01-15
JPS5092298A (fr)	1975-07-23
ES430912A1 (es)	1976-10-16
DE2449209A1 (de)	1975-06-19
GB1481976A (en)	1977-08-03

Publication	Publication Date	Title
US4048289A (en)	1977-09-13	Stabilization of wet-process phosphoric acid
CA1117730A (fr)	1982-02-09	Extraction de l'aluminium et du magnesium contenus avec l'acide phosphorique en solution
US4639359A (en)	1987-01-27	Process of removing cationic impurities from wet process phosphoric acid
US2780522A (en)	1957-02-05	Production of fluorine compounds
US4236911A (en)	1980-12-02	Purification and conversion of phosphoric acid to ammonium phosphates
US3528771A (en)	1970-09-15	Phosphoric acid clarification
US2780524A (en)	1957-02-05	Process for production of substantially phosphate-free ammonium silicofluoride from den gas
CA1086475A (fr)	1980-09-30	Production par voie humide d'acide phosphorique stabilise
US3124419A (en)	1964-03-10	Purification of phosphoric acid
US4393032A (en)	1983-07-12	Production of phosphoric acid and additional products from phosphate ore
US4222990A (en)	1980-09-16	Production of fluoride-free phosphates
CA1208881A (fr)	1986-08-05	Methode pour eliminer les impuretes dans l'acide phosphorique prepare par voie humide
CA1042180A (fr)	1978-11-14	Stabilisation de l'acide phosphorique prepare par voie humide
US3494736A (en)	1970-02-10	Process for removing silicon,aluminum and fluorine from wet process phosphoric acid
US4160657A (en)	1979-07-10	Preparation of monocalcium phosphate and phosphoric acid
US3625648A (en)	1971-12-07	Recovery of fluorine and p2o5 from dilute aqueous acidic phosphatic solutions
US3442609A (en)	1969-05-06	Process of purifying phosporic acid
US4086322A (en)	1978-04-25	Production of fluoride-free phosphates
US4239739A (en)	1980-12-16	Manufacture of purified diammonium phosphate
US5236679A (en)	1993-08-17	Removal of aluminum contamination during production of phosphoric acid
US3619136A (en)	1971-11-09	Process for producing phosphoric acid
US3819810A (en)	1974-06-25	Phosphoric acid purification
CA1115483A (fr)	1982-01-05	Obtention de phosphate monocalcique et d'acide phosphorique
US2920938A (en)	1960-01-12	Method for manufacture of aluminum fluoride
US4479923A (en)	1984-10-30	Production of phosphoric acid and additional products from phosphate ore