EP 3917880 A1 20211208 - METHOD FOR PRODUCING ACTIVATED CARBON
Title (en)
METHOD FOR PRODUCING ACTIVATED CARBON
Title (de)
VERFAHREN ZUR HERSTELLUNG VON AKTIVKOHLE
Title (fr)
PROCÉDÉ DE PRODUCTION DE CHARBON ACTIF
Publication
Application
Priority
- FI 20195047 A 20190128
- FI 2020050040 W 20200127
Abstract (en)
[origin: WO2020157379A1] The present invention relates to methods for producing activated carbon, in particular to methods comprising treating carbonaceous materials, in particular lignin with the mixture of alkali metal hydroxide and alkali metal chloride, where the alkali metal is selected from sodium and potassium. The invention relates also to a method for recycling the alkali metal hydroxide and the alkali metal chloride in the method.
IPC 8 full level
C01B 32/342 (2017.01)
CPC (source: EP FI)
C01B 32/312 (2017.07 - FI); C01B 32/342 (2017.07 - EP FI)
Citation (search report)
See references of WO 2020157379A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2020157379 A1 20200806; EP 3917880 A1 20211208; FI 128625 B 20200915; FI 20195047 A1 20200729
DOCDB simple family (application)
FI 2020050040 W 20200127; EP 20704064 A 20200127; FI 20195047 A 20190128