GB688525A - Process and apparatus for the manufacture of phosphorus trichloride - Google Patents

Process and apparatus for the manufacture of phosphorus trichloride

Info

Publication number
GB688525A
GB688525A GB19175/51A GB1917551A GB688525A GB 688525 A GB688525 A GB 688525A GB 19175/51 A GB19175/51 A GB 19175/51A GB 1917551 A GB1917551 A GB 1917551A GB 688525 A GB688525 A GB 688525A
Authority
GB
United Kingdom
Prior art keywords
phosphorus
liquid
vapour
phosphorus trichloride
gas
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
GB19175/51A
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
Farbwerke 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, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of GB688525A publication Critical patent/GB688525A/en
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
    • 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
    • C01B25/10—Halides or oxyhalides of phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

<PICT:0688525/III/1> Chlorine gas is passed into liquid yellow phosphorus and the phosphorus trichloride formed is removed as a vapour and liquified. In a continuous process chlorine is introduced through an inlet 6 into a current of liquid phosphorus circulating in a closed circuit under the the influence of the current of gas and thermosiphon action of the reaction heat. Phosphorus is introduced through inlet 5 and phosphorus trichloride vapour escapes through outlet 7. Normal atmospheric pressures are generally employed but the vapour may be led off under reduced pressure or with the aid of an inert gas, e.g. nitrogen. Cooling to prevent conversion to red phosphorus may be effected by the liquid phosphorus passing into the reaction vessel and also by introducing liquid phosphorus trichloride into the liquid phosphorus in the reaction vessel.
GB19175/51A 1950-08-21 1951-08-14 Process and apparatus for the manufacture of phosphorus trichloride Expired GB688525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE688525X 1950-08-21

Publications (1)

Publication Number Publication Date
GB688525A true GB688525A (en) 1953-03-11

Family

ID=6598515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19175/51A Expired GB688525A (en) 1950-08-21 1951-08-14 Process and apparatus for the manufacture of phosphorus trichloride

Country Status (2)

Country Link
FR (1) FR1041229A (en)
GB (1) GB688525A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319894A (en) * 1978-10-16 1982-03-16 Stauffer Chemical Company Process and process apparatus for separating gaseous phosphorus trichloride from a gas stream
GB2242899A (en) * 1990-04-12 1991-10-16 Albright & Wilson Making chlorophosphorus compounds
US5252306A (en) * 1992-03-02 1993-10-12 Monsanto Company Semi-continuous process for preparing phosphorus trichloride
US5310529A (en) * 1991-07-08 1994-05-10 Monsanto Company Process for preparing phosphorus trichloride
CN113694852A (en) * 2021-09-30 2021-11-26 南京佳华工程技术有限公司 Continuous synthesis process and equipment for phosphorus trichloride
CN114538590A (en) * 2022-03-01 2022-05-27 宿州汉泰化工有限公司 Phosphorus trichloride production sewage recovery processing equipment
CN116281901A (en) * 2023-03-20 2023-06-23 拓材科技(荆州)有限公司 Process and device for preparing high-purity red phosphorus based on chlorination process

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319894A (en) * 1978-10-16 1982-03-16 Stauffer Chemical Company Process and process apparatus for separating gaseous phosphorus trichloride from a gas stream
GB2242899A (en) * 1990-04-12 1991-10-16 Albright & Wilson Making chlorophosphorus compounds
US5310529A (en) * 1991-07-08 1994-05-10 Monsanto Company Process for preparing phosphorus trichloride
US5252306A (en) * 1992-03-02 1993-10-12 Monsanto Company Semi-continuous process for preparing phosphorus trichloride
CN113694852A (en) * 2021-09-30 2021-11-26 南京佳华工程技术有限公司 Continuous synthesis process and equipment for phosphorus trichloride
CN114538590A (en) * 2022-03-01 2022-05-27 宿州汉泰化工有限公司 Phosphorus trichloride production sewage recovery processing equipment
CN116281901A (en) * 2023-03-20 2023-06-23 拓材科技(荆州)有限公司 Process and device for preparing high-purity red phosphorus based on chlorination process
CN116281901B (en) * 2023-03-20 2023-12-26 拓材科技(荆州)有限公司 Process and device for preparing high-purity red phosphorus based on chlorination process

Also Published As

Publication number Publication date
FR1041229A (en) 1953-10-21

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