| 摘要 |
Treatment of pulverulent, pasty or granular products. The installation comprises: &cirf& a spherical enclosure 2, &cirf& at least one microwave generator linked to the enclosure by at least one waveguide 22 opening out into the upper part of the enclosure via at least one aperture 30 whose axis x-x' which is normal to the transverse cross section follows a direction free of stationary or mobile obstacles, reflecting the microwaves, &cirf& and means for establishing and maintaining a relative vacuum in the enclosure. Application to the treatment of pharmaceutical products. <IMAGE>
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