VERFAHREN ZUR VERMINDERUNG DER REAKTIVITAET UND ZUR VERBESSERUNG DES FLIESSVERHALTENS VON PHOSPHORPENTOXID.

摘要

P2O5 in the hexagonal modification is tempered at 200-390 deg.C to reduce its reactivity and improve the flow. Tempering is carried out for 0.5-8(0.5-3) hrs., pref. in a closed reaction zone with a protective gas atmos. The process pref. takes place continuously in a moving reaction zone with external heat supply.