Global Patent Index - EP 3917880 A1

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

EP 3917880 A1 20211208 (EN)

Application

EP 20704064 A 20200127

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