GB879734A - Process for making mono-oxidation products of phosphorus - Google Patents

Process for making mono-oxidation products of phosphorus

Info

Publication number
GB879734A
GB879734A GB38477/59A GB3847759A GB879734A GB 879734 A GB879734 A GB 879734A GB 38477/59 A GB38477/59 A GB 38477/59A GB 3847759 A GB3847759 A GB 3847759A GB 879734 A GB879734 A GB 879734A
Authority
GB
United Kingdom
Prior art keywords
phosphorus
oxidation products
making mono
vapour
water
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
GB38477/59A
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.)
Knapsack AG
Knapsack Griesheim AG
Original Assignee
Knapsack AG
Knapsack Griesheim 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 to DE879734X priority Critical
Application filed by Knapsack AG, Knapsack Griesheim AG filed Critical Knapsack AG
Publication of GB879734A publication Critical patent/GB879734A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/12Oxides of phosphorus
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof

Abstract

Oxidation products of phosphorus are prepared by treating a mixture of P vapour and water vapour with O2 at 80-160 DEG C., the atomic ratio of O2 to P being within the range 0.01 to 2, and condensing the reaction product. The P to water vapour weight ratio should be 1:10 to 1:100. The O2 may be diluted with inert gas, e.g. N2 and/or CO2, or may be air. Condensation is effected by injecting water into the reaction mixture. Yellow P in the condensate may be extracted by a solvent, e.g. CS2. The product contains 87-93% P, 6-13% O2, and H, e.g. 0.7 or 0.8%, as remainder.
GB38477/59A 1958-11-13 1959-11-12 Process for making mono-oxidation products of phosphorus Expired GB879734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE879734X 1958-11-13

Publications (1)

Publication Number Publication Date
GB879734A true GB879734A (en) 1961-10-11

Family

ID=6819129

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38477/59A Expired GB879734A (en) 1958-11-13 1959-11-12 Process for making mono-oxidation products of phosphorus

Country Status (1)

Country Link
GB (1) GB879734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980142A (en) * 1990-02-01 1990-12-25 Tenneco Canada Inc. Preparation of phosphorous acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980142A (en) * 1990-02-01 1990-12-25 Tenneco Canada Inc. Preparation of phosphorous acid

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