EP 1007613 A1 20000614 - METHOD FOR PRODUCING WATER- AND DUST-FREE ANION TENSIDE GRANULES
Title (en)
METHOD FOR PRODUCING WATER- AND DUST-FREE ANION TENSIDE GRANULES
Title (de)
VERFAHREN ZUR HERSTELLUNG WASSER- UND STAUBFREIER ANIONTENSIDGRANULATE
Title (fr)
PROCEDE DE PRODUCTION DE GRANULES D'AGENTS DE SURFACE ANIONIQUES EXEMPTS D'EAU ET DE POUSSIERE
Publication
Application
Priority
- DE 19736906 A 19970825
- DE 19741911 A 19970925
- DE 19806495 A 19980217
- EP 9805212 W 19980817
Abstract (en)
[origin: WO9910459A1] The invention relates to a method for producing water- and dust-free anion tenside granules with a high bulk density. According to said method, aqueous pastes of fatty acid polyglycol ester sulphates with a solids content of at least 20 weight per cent are dried to a residual water content of less than 2 weight per cent in a horizontally positioned film evaporator with rotating internals. At the same time, the pastes are made to form lumps. This is achieved by means of a decreasing temperature gradient applied to the film evaporator from product entry to product exit, and by gassing the pastes with air in the counter-current. The pastes are also dried exclusively by the heated walls. The inventive granules are particularly suitable for producing hard soap.
IPC 1-7
C11D 1/28; C11D 17/06; C11D 1/37; C11D 1/83; C11D 1/65; C11D 1/94; C11D 11/00
IPC 8 full level
C07C 67/26 (2006.01); C08G 65/26 (2006.01); C11D 1/28 (2006.01); C11D 1/37 (2006.01); C11D 1/65 (2006.01); C11D 1/83 (2006.01); C11D 1/86 (2006.01); C11D 1/94 (2006.01); C11D 3/12 (2006.01); C11D 3/20 (2006.01); C11D 3/22 (2006.01); C11D 10/04 (2006.01); C11D 11/00 (2006.01); C11D 17/00 (2006.01); C11D 17/06 (2006.01); C11D 1/04 (2006.01); C11D 1/06 (2006.01); C11D 1/14 (2006.01); C11D 1/16 (2006.01); C11D 1/29 (2006.01); C11D 1/52 (2006.01); C11D 1/66 (2006.01); C11D 1/72 (2006.01); C11D 1/90 (2006.01)
CPC (source: EP)
A61K 8/0275 (2013.01); A61K 8/42 (2013.01); A61K 8/44 (2013.01); A61K 8/463 (2013.01); A61K 8/604 (2013.01); C07C 67/26 (2013.01); C08G 65/2615 (2013.01); C08G 65/2672 (2013.01); C11D 1/28 (2013.01); C11D 1/37 (2013.01); C11D 1/65 (2013.01); C11D 1/652 (2013.01); C11D 1/83 (2013.01); C11D 1/86 (2013.01); C11D 1/94 (2013.01); C11D 10/04 (2013.01); C11D 10/042 (2013.01); C11D 11/0082 (2013.01); C11D 17/065 (2013.01); A61K 2800/596 (2013.01); A61Q 5/02 (2013.01); A61Q 19/10 (2013.01); C11D 1/04 (2013.01); C11D 1/06 (2013.01); C11D 1/146 (2013.01); C11D 1/16 (2013.01); C11D 1/29 (2013.01); C11D 1/523 (2013.01); C11D 1/525 (2013.01); C11D 1/662 (2013.01); C11D 1/72 (2013.01); C11D 1/90 (2013.01)
Citation (search report)
See references of WO 9910459A1
Designated contracting state (EPC)
DE ES FR IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 9805212 W 19980817; EP 98943891 A 19980817