AT245534B - Process for decolorization and clarification of aqueous phosphoric acid solutions - Google Patents

Process for decolorization and clarification of aqueous phosphoric acid solutions

Info

Publication number
AT245534B
AT245534B AT591963A AT591963A AT245534B AT 245534 B AT245534 B AT 245534B AT 591963 A AT591963 A AT 591963A AT 591963 A AT591963 A AT 591963A AT 245534 B AT245534 B AT 245534B
Authority
AT
Austria
Prior art keywords
decolorization
clarification
phosphoric acid
acid solutions
aqueous phosphoric
Prior art date
Application number
AT591963A
Other languages
German (de)
Original Assignee
Progil
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
Application filed by Progil filed Critical Progil
Application granted granted Critical
Publication of AT245534B publication Critical patent/AT245534B/en

Links

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)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AT591963A 1962-07-25 1963-07-24 Process for decolorization and clarification of aqueous phosphoric acid solutions AT245534B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR905016A FR1336816A (en) 1962-07-25 1962-07-25 Clarification of phosphoric acid solutions

Publications (1)

Publication Number Publication Date
AT245534B true AT245534B (en) 1966-03-10

Family

ID=8783887

Family Applications (1)

Application Number Title Priority Date Filing Date
AT591963A AT245534B (en) 1962-07-25 1963-07-24 Process for decolorization and clarification of aqueous phosphoric acid solutions

Country Status (6)

Country Link
AT (1) AT245534B (en)
DE (1) DE1467110B2 (en)
ES (1) ES290283A1 (en)
FR (1) FR1336816A (en)
GB (1) GB1020015A (en)
NL (1) NL295743A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301293A1 (en) * 1982-01-18 1983-07-28 Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi METHOD FOR REMOVING ORGANIC MATERIALS FROM A PHOSPHORIC ACID PRODUCED BY WET WAY

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651122B2 (en) * 1973-05-10 1981-12-03
JPS5018388A (en) * 1973-06-21 1975-02-26
DE2522220C3 (en) * 1975-05-20 1982-05-13 Giulini Chemie Gmbh, 6700 Ludwigshafen Process for the elimination of organic impurities in aqueous phosphoric acid solutions
LU80676A1 (en) * 1978-12-19 1980-07-21 Metallurgie Hoboken PROCESS FOR REMOVING DIRTY AGENTS FROM PHOSPHORIC ACID
FR2447347A1 (en) * 1979-01-24 1980-08-22 Rhone Poulenc Ind PROCESS FOR THE TREATMENT OF AN IMPURE PHOSPHORIC ACID
US4291005A (en) * 1979-04-23 1981-09-22 American Cyanamid Company Settling out suspended solids in phosphoric acid product solutions
US4248846A (en) * 1979-07-03 1981-02-03 W. R. Grace & Co. Production of stabilized wet process phosphoric acid
DE3444975A1 (en) * 1984-12-10 1986-06-12 Hoechst Ag, 6230 Frankfurt METHOD FOR DEARSENIZING PHOSPHORIC ACID SOLUTIONS
DE3631290A1 (en) * 1986-09-13 1988-03-24 Budenheim Rud A Oetker Chemie METHOD FOR TREATING WET METAL PHOSPHORIC ACID
US4808391A (en) * 1987-05-01 1989-02-28 Farmland Industries, Inc. Oxidation-reduction process for enhancing the color of and stabilizing wet process phosphoric acid
US9187327B2 (en) * 2011-01-04 2015-11-17 Nalco Company Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid
CN102649657B (en) * 2012-05-18 2013-07-10 成都市新都化工股份有限公司 Production method for macroelement fully water-soluble fertilizer
DE102023100413A1 (en) * 2023-01-10 2024-07-11 Remondis Aqua Gmbh & Co. Kg Process for the extraction and purification of phosphoric acid from ash

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3301293A1 (en) * 1982-01-18 1983-07-28 Toyo Soda Manufacturing Co., Ltd., Shinnanyo, Yamaguchi METHOD FOR REMOVING ORGANIC MATERIALS FROM A PHOSPHORIC ACID PRODUCED BY WET WAY

Also Published As

Publication number Publication date
DE1467110A1 (en) 1969-08-28
NL295743A (en)
ES290283A1 (en) 1964-02-16
DE1467110B2 (en) 1970-11-12
FR1336816A (en) 1963-09-06
GB1020015A (en) 1966-02-16

Similar Documents

Publication Publication Date Title
AT245534B (en) Process for decolorization and clarification of aqueous phosphoric acid solutions
AT254906B (en) Process and device for the production of sulfuric acid
CH431486A (en) Process for the production of acid derivatives
AT243234B (en) Process for the preparation of solutions of peroxydicarbonic acid esters
AT247288B (en) Process for the production of phosphoric acid from aqueous solutions containing nitric acid and phosphoric acid
CH407107A (en) Process for the preparation of dihydrofusidic acid
AT249860B (en) Process for the preparation of α-aminoacyl-6-aminopenicillanic acid derivatives
CH397714A (en) Process for the production of l-glutamic acid
CH428712A (en) Process for the preparation of thionophosphoric acid esters
CH428700A (en) Process for the production of acid amides
CH464157A (en) Process and apparatus for the production of phosphorous acid
AT256608B (en) Method of treating sodium-based waste liquors
AT255402B (en) Process for the production of carboxylic acid derivatives
CH451157A (en) Process for the preparation of 7-amino-cephalosporanic acid
CH420169A (en) Process for the preparation of phosphoric acid esters
AT266029B (en) Process for the uniform acid treatment of yarns
CH427285A (en) Process for esterification in solution of polyoxymethylene
CH396935A (en) Process for obtaining glutamic acid
CH439234A (en) Process for the production of hydrofluoric acid and aqueous sulfuric acid
CH401062A (en) Process for the preparation of 8-hydroxy-penillic acid
CH455722A (en) Process for the production of hydrofluoric acid
AT289621B (en) Process for the gelation of aqueous nitric acid
CH422002A (en) Process for the preparation of oxytrimesic acid
CH426831A (en) Process for the preparation of 7-amino-cephalosporanic acid
CH404687A (en) Process for the production of 1-glutamic acid