IT976757B - Procedimento ed impianto per pro durre acido fosforoso - Google Patents

Procedimento ed impianto per pro durre acido fosforoso

Info

Publication number
IT976757B
IT976757B IT47530/73A IT4753073A IT976757B IT 976757 B IT976757 B IT 976757B IT 47530/73 A IT47530/73 A IT 47530/73A IT 4753073 A IT4753073 A IT 4753073A IT 976757 B IT976757 B IT 976757B
Authority
IT
Italy
Prior art keywords
durre
pro
plant
procedure
phosphorous acid
Prior art date
Application number
IT47530/73A
Other languages
English (en)
Original Assignee
Knapsack Ag
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 DE19722200653 external-priority patent/DE2200653C3/de
Application filed by Knapsack Ag filed Critical Knapsack Ag
Application granted granted Critical
Publication of IT976757B publication Critical patent/IT976757B/it

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treating Waste Gases (AREA)
IT47530/73A 1972-01-07 1973-01-05 Procedimento ed impianto per pro durre acido fosforoso IT976757B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722200653 DE2200653C3 (de) 1972-01-07 Verfahren und Vorrichtung zur Herstellung von phosphoriger Säure

Publications (1)

Publication Number Publication Date
IT976757B true IT976757B (it) 1974-09-10

Family

ID=5832494

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47530/73A IT976757B (it) 1972-01-07 1973-01-05 Procedimento ed impianto per pro durre acido fosforoso

Country Status (8)

Country Link
US (1) US3859419A (it)
BE (1) BE793712A (it)
CA (1) CA983669A (it)
CH (1) CH584653A5 (it)
FR (1) FR2167704B1 (it)
GB (1) GB1374545A (it)
IT (1) IT976757B (it)
NL (1) NL174133C (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3714657A1 (de) * 1987-05-02 1988-11-10 Hoechst Ag Verfahren zur reinigung von phosphoriger saeure
WO1995013285A1 (en) * 1993-11-10 1995-05-18 E.I. Du Pont De Nemours And Company Process for the preparation of phosphorous acid/carboxylic acid mixed anhydrides and anhydrous phosphorous acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670274A (en) * 1951-10-25 1954-02-23 Monsanto Chemicals Method of producing orthophosphoric acid
DE1206406B (de) * 1964-09-19 1965-12-09 Knapsack Ag Verfahren zur Herstellung von phosphoriger Saeure

Also Published As

Publication number Publication date
CH584653A5 (it) 1977-02-15
NL7300137A (it) 1973-07-10
CA983669A (en) 1976-02-17
FR2167704B1 (it) 1976-05-14
DE2200653A1 (de) 1973-07-19
US3859419A (en) 1975-01-07
NL174133C (nl) 1984-05-01
BE793712A (fr) 1973-07-05
NL174133B (nl) 1983-12-01
GB1374545A (en) 1974-11-20
FR2167704A1 (it) 1973-08-24
DE2200653B2 (de) 1977-06-23

Similar Documents

Publication Publication Date Title
SE410447B (sv) Halogenacetonilider for paverkan av tillvexten av vexter
BR7305527D0 (pt) Processo para obtencao de esteres de acido difosfenico
SE381483B (sv) Muddringsanleggning
AR212688A1 (es) Compuestos derivados del acido 7b-amino-cefam-3-ona-4-carboxilico y procedimiento para su elaboracion
BE790580A (fr) Procede et agencement de production de pieux et de palees souterraines
SE414164B (sv) Forfarande for framstellning av fosforsyra
NO137589C (no) Fremgangsmaate for fremstilling av fosforsyre
IT985095B (it) Procedimento ed impianto per esterificare acido tereftalico
IT1018704B (it) Procedimento e impianto per depurare acido fosforico
SE406191B (sv) Forfarande och anleggning for framstellning av foderfosfat
IT942282B (it) Procedimento per produrre sostrati per piante
BE799742A (fr) Esters sulfonato-benzylmaloniques et procede de preparation,
IT997798B (it) Procedimento ed impianto per pro durre dialchilfosfine
IT948679B (it) Procedimento ed impianto per pro durre idrochinone
IT976757B (it) Procedimento ed impianto per pro durre acido fosforoso
AR198122A1 (es) Procedimiento para preparar acido 6-aminopenicilanico
IT996016B (it) Procedimento per depurare acido fosforico
IT1002168B (it) Preparazione d acido gliossilico
FI51428C (fi) Menetelmä preparaatin valmistamiseksi asetyylisalisyylihaposta ja teea ineksesta.
IT979388B (it) Acido cicloesanesacarbossilico
IT994902B (it) Procedimento di fabbricazione di acido solfidrico
AR192746A1 (es) Metodo de cultivo de celulas de tejido animal
IT1008032B (it) Procedimento ed impianto per pro durre acido diglicolico
IT997528B (it) Procedimento per produrre acido acrilico
AR197808A1 (es) Metodo para producir acido gamma-amino-beta-hidroxibutanoico