EP 1089951 A1 20010411 - A METHOD FOR PRODUCING NANO-ENGINEERED PRECURSORS
Title (en)
A METHOD FOR PRODUCING NANO-ENGINEERED PRECURSORS
Title (de)
VERFAHREN ZUR HERSTELLUNG NANOSTRUKTURIERTEN VORSTUFEN
Title (fr)
PROCEDE DE PRODUCTION DE PRECURSEURS A L'ECHELLE NANOMETRIQUE
Publication
Application
Priority
- SE 0000429 W 20000302
- SE 9900759 A 19990302
Abstract (en)
[origin: WO0051948A1] A method for producing nano-engineered precursors, in particular superconductor precursors is disclosed, said method comprising the steps of: dissolving at least two metal compounds, precipitating agents and optionally pH-adjusting agents to form feed solutions (60) of known concentrations; mixing the feed solutions (60) by adding them, preferably into a reactor (70); co-precipitating a solid from the mixed solutions (60), preferably in the reactor (70) under controlled operating conditions; thickening the co-precipitated solid; separating the precipitated solid from the mother liquor, for instance by filtration, which mother liquor preferably is recycled to the reactor (70), and; optionally washing the solid during filtration to remove impurities; wherein said at least two metal compounds are dissolved to form separate solutions (40, 50) before being mixed together. The co-precipitated solid is then filtered, washed, dried and calcined to obtain a desired super conducting oxide.
IPC 1-7
IPC 8 full level
C01B 13/18 (2006.01); C01G 21/00 (2006.01); C01G 29/00 (2006.01)
CPC (source: EP)
B82Y 30/00 (2013.01); C01B 13/185 (2013.01); C01G 21/006 (2013.01); C01G 29/006 (2013.01); C01P 2004/64 (2013.01)
Citation (search report)
See references of WO 0051948A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0051948 A1 20000908; AU 3688100 A 20000921; EP 1089951 A1 20010411; SE 9900759 D0 19990302
DOCDB simple family (application)
SE 0000429 W 20000302; AU 3688100 A 20000302; EP 00915656 A 20000302; SE 9900759 A 19990302