Process for removing molten phosphorus pentsulfide from a reacto

Details Process for removing molten phosphorus pentsulfide from a reacto Process for removing molten phosphorus pentsulfide from a reacto

1983-04-29

1984-09-25

Straub, Gary P.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Sulfur containing

422129, C01B 2514

Patent

active

044735383

ABSTRACT:
The invention provides a process and an apparatus for removing molten phosphorus pentasulfide, via an overflow, from a reactor, wherein phosphorus is reacted with sulfur at temperatures higher than 300.degree. C.
To this end, the reactor is supplied with phosphorus and sulfur from dosing vessels which are given the dimensions necessary (a) to receive the quantity of phosphorus and sulfur, respectively, which are required to produce phosphorus pentasulfide with a preselected quantitative ratio of P:S, (b) to provide a total filling volume corresponding to that of a P.sub.2 S.sub.5 -receiving tank. The quantity of the phosphorus and sulfur feed materials in the respective dosing vessels is in each case fully emptied into the reactor and a corresponding quantity of molten P.sub.2 S.sub.5 is simultaneously discharged directly from the reactor, via the overflow, into the respective P.sub.2 S.sub.5 -receiving tank, whose filling volume exactly corresponds, to that of the dosing vessels.

REFERENCES:
patent: 3023086 (1962-02-01), Robota
patent: 3146069 (1964-08-01), Robota
patent: 3183062 (1965-05-01), Taylor
patent: 3342552 (1967-09-01), Niermann et al.

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