BR6786726D0 - Processo de purificacao de acido umido obtido por acidulacao com acido sulfurico de minerios fosfaticos - Google Patents

Processo de purificacao de acido umido obtido por acidulacao com acido sulfurico de minerios fosfaticos

Info

Publication number
BR6786726D0
BR6786726D0 BR18672667A BR18672667A BR6786726D0 BR 6786726 D0 BR6786726 D0 BR 6786726D0 BR 18672667 A BR18672667 A BR 18672667A BR 18672667 A BR18672667 A BR 18672667A BR 6786726 D0 BR6786726 D0 BR 6786726D0
Authority
BR
Brazil
Prior art keywords
acidulation
purification
humid
sulfuric acid
acid
Prior art date
Application number
BR18672667A
Other languages
English (en)
Portuguese (pt)
Inventor
D Brinin
F Kelso
R Olson
Original Assignee
Fmc Corp
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.)
Filing date
Publication date
Priority claimed from US554563A external-priority patent/US3410656A/en
Application filed by Fmc Corp filed Critical Fmc Corp
Publication of BR6786726D0 publication Critical patent/BR6786726D0/pt

Links

BR18672667A 1966-02-01 1967-02-01 Processo de purificacao de acido umido obtido por acidulacao com acido sulfurico de minerios fosfaticos BR6786726D0 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52427266A 1966-02-01 1966-02-01
US554563A US3410656A (en) 1966-06-01 1966-06-01 Phosphoric acid purification

Publications (1)

Publication Number Publication Date
BR6786726D0 true BR6786726D0 (pt) 1973-12-27

Family

ID=27061446

Family Applications (1)

Application Number Title Priority Date Filing Date
BR18672667A BR6786726D0 (pt) 1966-02-01 1967-02-01 Processo de purificacao de acido umido obtido por acidulacao com acido sulfurico de minerios fosfaticos

Country Status (6)

Country Link
BE (1) BE693387A (zh)
BR (1) BR6786726D0 (zh)
ES (1) ES336087A1 (zh)
FR (1) FR1509607A (zh)
GB (1) GB1162062A (zh)
NL (1) NL150753B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391954A2 (fr) * 1977-05-23 1978-12-22 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
FR2421845A2 (fr) * 1978-01-12 1979-11-02 Rhone Poulenc Ind Procede de purification d'un acide phosphorique de voie humide
US4250155A (en) 1978-06-09 1981-02-10 Gardinier, Inc. Method of purifying phosphoric acid after solvent extraction
US5006319A (en) * 1988-03-04 1991-04-09 Fmc Corporation Process for removing iron, chromium and vanadium from phosphoric acid
FR2677345B1 (fr) * 1991-06-04 1993-12-24 Commissariat A Energie Atomique Procede de purification et de recuperation d'acide orthophosphorique par extraction liquide-liquide.
DE102008023649A1 (de) * 2008-05-15 2009-11-19 Csv-Chemie Service Und Vertriebs Gmbh Verfahren zur Extraktion von Phosphorsäure und Mischungen mit Phosphorsäure

Also Published As

Publication number Publication date
ES336087A1 (es) 1967-12-16
NL150753B (nl) 1976-09-15
BE693387A (zh) 1967-07-31
DE1667487A1 (de) 1971-06-24
NL6701511A (zh) 1967-08-02
DE1667487B2 (de) 1976-01-15
GB1162062A (en) 1969-08-20
FR1509607A (fr) 1968-01-12

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