Verfahren zur Herstellung von geformten Hochleistungsadsorbenzien

摘要

The invention relates to the production of shaped high-performance adsorbing materials by means of steam activation in a rotary kiln which operates discontinuously. Spherically pre-formed materials are gently pre-dried with hot gas in a rotary dryer in said kiln, with the product being turned 4 times per kiln rotation and at a space/time coefficient of 1 to 2.5 m<3>/h, then carbonized in an indirectly heated rotary kiln with the product being turned 6 times per kiln rotation and at a space/time coefficient of 5 to 10 m<3>/h in a stream of inert gas. The carbonized shaped bodies are then activated in a discontinuous manner in an indirectly heated rotary kiln with the product being turned 8 times per kiln rotation and at a space/time coefficient of 1 to 5 m<3>/h, steam being added, in a stream of inert gas. The resulting shaped, high-performance, adsorbing materials are of a high quality and have diverse application possibilities. They can be used especially for separating air, for adsorptive cooling and as an adsorptive component in flat textile and synthetic materials .