Apparatus for continuous production of tetraphosphorus polysulfi

Details Apparatus for continuous production of tetraphosphorus polysulfi Apparatus for continuous production of tetraphosphorus polysulfi

1992-11-02

1994-08-02

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including internal mixing or stirring means

422235, B01F 510

Patent

active

053343603

ABSTRACT:
The tetraphosphorus polysulfides of the formula P.sub.4 S.sub.x, wherein X is at least 3, especially tetraphosphorus decasulfide, P.sub.4 S.sub.10, are prepared by (a) establishing a continuously circulating closed loop of a liquid reaction mixture which comprises desired final product tetraphosphorus polysulfide, (b) continuously introducing liquid phosphorus and liquid sulfur into such continuously circulating reaction mixture and therein continuously reacting the liquid phosphorus with the liquid sulfur, and (c) continuously separating desired final product tetraphosphorus polysulfide, in gaseous state, from such continuously circulating reaction mixture.

REFERENCES:
patent: 3524725 (1970-08-01), Cremer et al.
patent: 3927982 (1975-12-01), Chapman et al.
patent: 3941568 (1976-03-01), Kurtz et al.

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