Le Carbone Lorraine

Jacques Boucher

Michel Coulon

Jean-Pierre Slonina

Pierre Girard

Joseph Gellon

The pyrolysis process for fluid effluents in an enclosure, where they are transformed into solid and gaseous products is characterized in that the said effluents are heated on contact with solid elements, on traversing a pile of said solid elements offering a surface contact per volume unit at least equal to 10 m/m and in that the said solid products are trapped on the surface of said solid elements and are then separated from the latter, so as to be able to regenerate the said solid elements. Continuous or discontinuous pyrolysis apparatus for performing the process according to the invention. Application to the destruction of chlorinated effluents.

Process for the pyrolysis of fluid effluents and corresponding apparatus

Fibrous substrates intended for the production of composite bodies are produced from sheet material consisting of fibrous filaments or threads bound into a coherent sheet with a binder by providing fine, substantially uniformly sized and distributed perforations in at least selected areas of the coherent sheet, subdividing the perforated sheet into a plurality of substantially identical smaller flat sheets each comprising at least one of said selected areas, stacking the smaller sheets one upon another so that in the resulting stack the perforations in one sheet overlie the perforations in the immediately underlying sheet and thus form passages through the stack and thereafter threading through said passages in said stack strands or rods formed from fibrous filaments or threads which have been bound together with a binder.

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Argenteuil, France

Jacques Boucher