EP 1671682 A1 20060621 - Asbestos degradation process with alkali metal hydroxides
Title (en)
Asbestos degradation process with alkali metal hydroxides
Title (de)
Verfahren für die Zersetzung von Asbest mit Alkalimetallhydroxiden
Title (fr)
Procede pour la decomposition de l' amiante avec des hydroxydes des metaux alcalins
Publication
Application
Priority
EP 04293047 A 20041220
Abstract (en)
The present invention relates to a process for degrading asbestos-containing materials comprising the following steps: (a) the asbestos-containing materials and one or more solid alkali metal hydroxides are added to a reactor; and (b) the mixture prepared in step (a) is heated to a temperature of between about 170° C and about 580°C for at least about 10 minutes.
IPC 8 full level
A62D 3/32 (2007.01); A62D 3/36 (2007.01); A62D 101/41 (2007.01)
CPC (source: EP)
A62D 3/32 (2013.01); A62D 3/36 (2013.01); A62D 2101/41 (2013.01)
Citation (search report)
- [X] DE 4416851 A1 19951116 - ZUBER CLAUDIA [DE], et al
- [X] US 5562585 A 19961008 - GODESBERG ROLF [DE]
- [A] WO 9408661 A1 19940428 - CROSS LINK TECH [US], et al
- [A] WO 9700099 A1 19970103 - DEBAILLEUL GERARD [BE]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
DOCDB simple family (application)
EP 04293047 A 20041220