IT978376B - Procedimento per la depurazione di soluzioni acquose di acido fosforico - Google Patents

Procedimento per la depurazione di soluzioni acquose di acido fosforico

Info

Publication number
IT978376B
IT978376B IT1949073A IT1949073A IT978376B IT 978376 B IT978376 B IT 978376B IT 1949073 A IT1949073 A IT 1949073A IT 1949073 A IT1949073 A IT 1949073A IT 978376 B IT978376 B IT 978376B
Authority
IT
Italy
Prior art keywords
purification
procedure
phosphoric acid
water solutions
solutions
Prior art date
Application number
IT1949073A
Other languages
English (en)
Italian (it)
Inventor
A Ledda
I Mini
Andrea Barbera
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT1949073A priority Critical patent/IT978376B/it
Priority to NL7400777A priority patent/NL7400777A/xx
Priority to DE19742402758 priority patent/DE2402758A1/de
Priority to FR7402022A priority patent/FR2214658A1/fr
Priority to BE140109A priority patent/BE810079A/xx
Application granted granted Critical
Publication of IT978376B publication Critical patent/IT978376B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
    • C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
    • C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Luminescent Compositions (AREA)
  • Fertilizers (AREA)
IT1949073A 1973-01-23 1973-01-23 Procedimento per la depurazione di soluzioni acquose di acido fosforico IT978376B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT1949073A IT978376B (it) 1973-01-23 1973-01-23 Procedimento per la depurazione di soluzioni acquose di acido fosforico
NL7400777A NL7400777A (de) 1973-01-23 1974-01-21
DE19742402758 DE2402758A1 (de) 1973-01-23 1974-01-22 Verfahren zur reinigung waessriger phosphorsaeureloesungen
FR7402022A FR2214658A1 (en) 1973-01-23 1974-01-22 Purifying phosphoric acid-nitrate solns. - obtd. by nitric acid digestion of phosphorite, gives prods. suitable for fertilisers
BE140109A BE810079A (fr) 1973-01-23 1974-01-23 Procede de purification de solutions aqueuses d'acide phosphorique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1949073A IT978376B (it) 1973-01-23 1973-01-23 Procedimento per la depurazione di soluzioni acquose di acido fosforico

Publications (1)

Publication Number Publication Date
IT978376B true IT978376B (it) 1974-09-20

Family

ID=11158454

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1949073A IT978376B (it) 1973-01-23 1973-01-23 Procedimento per la depurazione di soluzioni acquose di acido fosforico

Country Status (5)

Country Link
BE (1) BE810079A (de)
DE (1) DE2402758A1 (de)
FR (1) FR2214658A1 (de)
IT (1) IT978376B (de)
NL (1) NL7400777A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323386A (en) * 1978-11-03 1982-04-06 Norsk Hydro A.S. Method of manufacturing NP- or NPK-containing fertilizers from magnesium containing phosphate
DE3021839A1 (de) * 1980-06-11 1981-12-24 Chemische Werke Hüls AG, 4370 Marl Verfahren zur verminderung der radioaktivitaet von aus phosphoriten hergestelltem calciumsulfat
CN112723404A (zh) * 2021-01-04 2021-04-30 贵州芭田生态工程有限公司 一种将化学选矿副产物中钙镁磷分离的方法

Also Published As

Publication number Publication date
BE810079A (fr) 1974-07-23
NL7400777A (de) 1974-07-25
FR2214658B1 (de) 1977-03-04
FR2214658A1 (en) 1974-08-19
DE2402758A1 (de) 1974-07-25

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