Process and apparatus for agglomeration of hydrolytically sensitive substances by means of steam
Process of agglomeration of poorly soluble and hydrolysis sensitive materials in which the material, in powder form, is allowed to fall, together with a water-soluble powdered binding material, into a steam atmosphere at 85-105 degrees C. where it spends 0.5-10 seconds. Further free-fall takes place...
Saved in:
Main Authors | , , |
---|---|
Format | Patent |
Language | English |
Published |
03.12.1997
|
Edition | 6 |
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | Process of agglomeration of poorly soluble and hydrolysis sensitive materials in which the material, in powder form, is allowed to fall, together with a water-soluble powdered binding material, into a steam atmosphere at 85-105 degrees C. where it spends 0.5-10 seconds. Further free-fall takes place during which drying occurs and contact between primary particles is caused by liquid bridges in the condensate (in which the binding material is dissolved) and only a small amount due to solid bridges. Final drying involves an integrated flow-bed system and the product has a water content of less than 5 (preferably less than 1) wt.%. |
---|---|
Bibliography: | Application Number: CN19971009585 |