ES450701A1 - Procedimiento para producir un acido fosforico del grado tecnico. - Google Patents

Procedimiento para producir un acido fosforico del grado tecnico.

Info

Publication number: ES450701A1
Authority: ES; Spain
Prior art keywords: phosphoric acid; wet process; cleanup; process phosphoric; crude
Prior art date: 1975-08-14
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

ES450701A

Other languages

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.)

Stauffer Chemical Co

Original Assignee

Stauffer Chemical Co

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.)

1975-08-14

Filing date

1976-08-13

Publication date

1977-12-16

1976-08-13 Application filed by Stauffer Chemical Co filed Critical Stauffer Chemical Co

1977-12-16 Publication of ES450701A1 publication Critical patent/ES450701A1/es

Status Expired legal-status Critical Current

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
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/405—Polyphosphates of ammonium
- 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
- 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
- C01B25/26—Phosphates
- C01B25/28—Ammonium phosphates
- 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
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
- C01B25/303—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates with elimination of impurities
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Treatment Of Water By Ion Exchange (AREA)
Treatment Of Liquids With Adsorbents In General (AREA)

ES450701A 1975-08-14 1976-08-13 Procedimiento para producir un acido fosforico del grado tecnico. Expired ES450701A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/604,518 US3993735A (en)	1975-08-14	1975-08-14	Cleanup of wet process phosphoric acid

Publications (1)

Publication Number	Publication Date
ES450701A1 true ES450701A1 (es)	1977-12-16

Family

ID=24419921

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES450701A Expired ES450701A1 (es)	1975-08-14	1976-08-13	Procedimiento para producir un acido fosforico del grado tecnico.

Country Status (11)

Country	Link
US (1)	US3993735A (es)
JP (1)	JPS5223598A (es)
BE (1)	BE845152A (es)
BR (1)	BR7605232A (es)
DE (1)	DE2635911A1 (es)
ES (1)	ES450701A1 (es)
FR (1)	FR2320901A1 (es)
GB (1)	GB1547211A (es)
IL (1)	IL49928A (es)
NL (1)	NL7608259A (es)
ZA (1)	ZA764654B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4256570A (en) *	1979-03-19	1981-03-17	International Minerals & Chemical Corporation	Purification of phosphoric acid
US4341638A (en) *	1979-10-17	1982-07-27	International Minerals & Chemical Corp.	Purification of phosphoric acid
DE3003250C2 (de) *	1980-01-30	1982-09-16	Klöckner-Humboldt-Deutz AG, 5000 Köln	Verfahren zum Abtrennen von Feststoffen aus Phosphorsäure
FR2520342A1 (fr) *	1982-01-25	1983-07-29	Rhone Poulenc Chim Base	Procede de purification d'acide phosphorique de voie humide
US4536378A (en) *	1983-10-13	1985-08-20	White Edward A	Phosphate fertilizer production
US4551320A (en) *	1984-10-12	1985-11-05	Fmc Corporation	Treatment of concentrated phosphoric acid
US4643883A (en) *	1986-01-22	1987-02-17	International Minerals & Chemical Corp.	Method of decolorizing wet process phosphoric acid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1981145A (en) *	1933-10-21	1934-11-20	Minerals Separation North Us	Process of producing phosphoric acid
US2044940A (en) *	1933-11-25	1936-06-23	Grasselli Chemical Co	Preparation of a soluble phosphate
GB1052410A (es) *	1962-11-14
US3645682A (en) *	1967-09-13	1972-02-29	Multi Minerals Ltd	A process for producing phosphoric acid by the use of ion exchange resins
DE2029564C3 (de) *	1970-06-16	1978-06-22	Giulini Chemie Gmbh, 6700 Ludwigshafen	Verfahren zur Herstellung von reinen Alkaliphosphaten aus Rohphosphorsäure

1975
- 1975-08-14 US US05/604,518 patent/US3993735A/en not_active Expired - Lifetime
1976
- 1976-06-28 IL IL49928A patent/IL49928A/xx unknown
- 1976-07-26 NL NL7608259A patent/NL7608259A/xx not_active Application Discontinuation
- 1976-07-28 FR FR7622972A patent/FR2320901A1/fr not_active Withdrawn
- 1976-07-30 JP JP51091236A patent/JPS5223598A/ja active Pending
- 1976-08-03 ZA ZA764654A patent/ZA764654B/xx unknown
- 1976-08-06 GB GB32809/76A patent/GB1547211A/en not_active Expired
- 1976-08-10 DE DE19762635911 patent/DE2635911A1/de active Pending
- 1976-08-10 BR BR7605232A patent/BR7605232A/pt unknown
- 1976-08-13 ES ES450701A patent/ES450701A1/es not_active Expired
- 1976-08-13 BE BE169776A patent/BE845152A/xx unknown

Also Published As

Publication number	Publication date
GB1547211A (en)	1979-06-06
JPS5223598A (en)	1977-02-22
NL7608259A (nl)	1977-02-16
IL49928A0 (en)	1976-08-31
BE845152A (fr)	1977-02-14
DE2635911A1 (de)	1977-03-03
IL49928A (en)	1978-12-17
US3993735A (en)	1976-11-23
FR2320901A1 (fr)	1977-03-11
ZA764654B (en)	1977-07-27
BR7605232A (pt)	1977-08-09

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