CA1017925A - Procede de preparation du phosphure d'hydrogene et de l'acide phosphorique a partir d'acide phosphoreux de rebut - Google Patents

Procede de preparation du phosphure d'hydrogene et de l'acide phosphorique a partir d'acide phosphoreux de rebut

Info

Publication number
CA1017925A
CA1017925A CA194,220A CA194220A CA1017925A CA 1017925 A CA1017925 A CA 1017925A CA 194220 A CA194220 A CA 194220A CA 1017925 A CA1017925 A CA 1017925A
Authority
CA
Canada
Prior art keywords
production
hydrogen phosphide
acid
phosphoric acid
phosphorous acid
Prior art date
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
CA194,220A
Other languages
English (en)
Inventor
Wolfgang Scheibitz
Hasso Spott
Gero Heymer
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.)
Hoechst AG
Original Assignee
Hoechst 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
Application filed by Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1017925A publication Critical patent/CA1017925A/fr
Expired legal-status Critical Current

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
    • C01B25/06—Hydrogen phosphides
    • 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)
  • Removal Of Specific Substances (AREA)
CA194,220A 1973-03-22 1974-03-06 Procede de preparation du phosphure d'hydrogene et de l'acide phosphorique a partir d'acide phosphoreux de rebut Expired CA1017925A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2314232A DE2314232C3 (de) 1973-03-22 1973-03-22 Verfahren zur Verwertung von insbesondere mit organischen Verbindungen verunreinigter phosphoriger Säure

Publications (1)

Publication Number Publication Date
CA1017925A true CA1017925A (fr) 1977-09-27

Family

ID=5875519

Family Applications (1)

Application Number Title Priority Date Filing Date
CA194,220A Expired CA1017925A (fr) 1973-03-22 1974-03-06 Procede de preparation du phosphure d'hydrogene et de l'acide phosphorique a partir d'acide phosphoreux de rebut

Country Status (10)

Country Link
US (1) US3956462A (fr)
JP (1) JPS5839766B2 (fr)
BE (1) BE812441A (fr)
CA (1) CA1017925A (fr)
CH (1) CH611861A5 (fr)
DE (1) DE2314232C3 (fr)
FR (1) FR2222309B1 (fr)
GB (1) GB1410293A (fr)
IT (1) IT1005867B (fr)
NL (1) NL7403610A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4364911A (en) * 1979-09-26 1982-12-21 Stauffer Chemical Company Method for treating the residue from the production of phosphorochloridothionates
CN103318860B (zh) * 2013-07-10 2015-07-29 常州宏福高端膦技术研发中心有限公司 利用亚磷酸热解生产磷化氢的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116109A (en) * 1961-03-10 1963-12-31 Fmc Corp Process for production of phosphine and phosphite-free phosphates

Also Published As

Publication number Publication date
BE812441A (fr) 1974-07-15
GB1410293A (en) 1975-10-15
IT1005867B (it) 1976-09-30
NL7403610A (fr) 1974-09-24
JPS5839766B2 (ja) 1983-09-01
DE2314232B2 (de) 1981-06-11
FR2222309B1 (fr) 1977-10-07
US3956462A (en) 1976-05-11
DE2314232C3 (de) 1982-02-25
JPS49127900A (fr) 1974-12-06
DE2314232A1 (de) 1974-09-26
FR2222309A1 (fr) 1974-10-18
CH611861A5 (fr) 1979-06-29

Similar Documents

Publication Publication Date Title
CA1005619A (en) Process for the preparation of phosphoric acid
CA1019764A (fr) Procede de fabrication de phosphate d'uree cristallin
IL47550A (en) Production of phosphoric acid
CA969742A (en) Apparatus for the production of phosphoric acid
CA1017925A (fr) Procede de preparation du phosphure d'hydrogene et de l'acide phosphorique a partir d'acide phosphoreux de rebut
AU475462B2 (en) Process for preparing pure phosphoric acid
GB1556478A (en) Process for the purification of phosphoric acid
CA917880A (en) Process for the purification of phosphoric acid
IL45359A (en) Process for the purification of phosphoric acid
EG11662A (en) Process for manufacturing of phosphoric acid
CA1005458A (en) Production of 2-phenyl-ethylene phosphonic acid
KE2800A (en) Process for the manufacture of 6-id(-)-alpha-aminophenylacetamido/-penicillanic acid
ES442546A1 (es) Procedimiento para la preparacion del ester fosforico de n- metil-n-hidroxietilguanidina.
CA1015529A (en) Process for preparation of purified phosphoric acid
CA901263A (en) Process for the production of phosphoric acid
CA908943A (en) Process for the manufacture of phosphoric acid
CA895904A (en) Process for the manufacture of phosphoric acid esters and phosphonic acid esters
AU484510B2 (en) Process for manufacturing of phosphoric acid
CA879577A (en) Process for the production of phosphoric acid and phosphates
CA1026762A (fr) Procede de synthese de l'acide tetrazole-1-acetique
ZA744650B (en) Process for the defluorination of phosphoric acid-waste gypsum
CA1014329A (en) Hybrid phosphoric acid process
CA860849A (en) Process for the production of phosphoric acid
CA912234A (en) Method of producing concentrated phosphoric acid compounds from monocalcium phosphate
CA928039A (en) Process for the manufacture of phosphoric acid