New trend-Process For Producing Free-Flowing Granules With Superheated Sream(5)
Source: | Date:
2012-02-16
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The teaching according to the invention is based on the surprising observation that the use of super-heated steam as drying medium in the drying of water-containing preparations of useful materials mixtures thereof from the field of wetting agents, detergents and /or cleaning products enables hitherto unknown combinations of important performance properties to be established in the dry product .Building on this .further embodiments of the invention provide new preparations of useful materials which have proved superior to hitherto known material. the replacement of the conventional hot gas phase based on combustible gases or air/combustible gas mixture by superheated steam not only improves the ecology of the process as a whole and the specifically modified chemical /thermodynamic stressing of the material to be dried .the spatial structure of the dried material primarilydeveloped in the micro range is also clearly influence by the use of supeheated team as the drying medium .The teaching according to the invention make use of this and,in doing so, provides useful materials of the described type or mixtures thereof characterized by new properties and/or new compositions
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