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Sulfur vaporization

Sulfur vaporization

Sulfur vaporization

(OP)
Dear all,
we are designing a small unit where we should vaporizein continuous a small amount of molten sulfur.

We have some concern due to the viscosity change of molten S (increase then decrease) so do you have any suggestion on the typeof "boiler" to be designed? We will appreciate any typeof suggestion.

thanks
Francesco

RE: Sulfur vaporization


The unusual cyclooctasulfur S8 liquid viscosity rises with temperature by ring cleavage and formation of catenasulfur species above about 160oC and reaches a maximum somewhere about 200oC and thereafter falls on heating until at the b.p. of 444.6oC becomes again a mobile dark red liquid.  

RE: Sulfur vaporization

(OP)
Thanks,
I was in fact thinkinhg if it can be better to flow the molten sulfur inside a tube heat exchanger in a gas fired chamber or if it was better to keep sulfur in a "kettle" type boiler with gas firing inside the tubes submerged...

any idea or suggestion?

RE: Sulfur vaporization

What's the end use of this sulphur vapour?

RE: Sulfur vaporization

(OP)
Dogtop, we would like to test some reaction with LPG to make a stream of H2S at various concentration  

RE: Sulfur vaporization

Have you considered spraying the molten sulphur into a stream of LPG?  I do not know about the by-products, though.

HTH

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