EP 3947285 A1 20220209 - A PREPARATION OF SODIUM BICARBONATE FROM CARBON DIOXIDE
Title (en)
A PREPARATION OF SODIUM BICARBONATE FROM CARBON DIOXIDE
Title (de)
HERSTELLUNG VON NATRIUMBICARBONAT AUS KOHLENDIOXID
Title (fr)
PRÉPARATION DE BICARBONATE DE SODIUM À PARTIR DE DIOXYDE DE CARBONE
Publication
Application
Priority
- TH 1903000753 U 20190327
- TH 2020000017 W 20200320
Abstract (en)
[origin: WO2020197513A1] A preparation of sodium bicarbonate from carbon dioxide (CO2) comprises of the following steps: prepare sodium compound solution by dissolving sodium compound in deionized water; prepare ammonia solution by dissolving ammonia in deionized water; mix sodium compound solution and ammonia solution together at temperature-controlled conditions and release carbon dioxide into the mixture, resulting in sodium bicarbonate product with white solid property; filter the product out of the solution and wash it with organic solvent; and let it dry a room temperature.
IPC 8 full level
CPC (source: EP)
C01D 7/07 (2013.01); C01D 7/18 (2013.01); C01P 2002/72 (2013.01)
Citation (search report)
See references of WO 2020197513A1
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 2020197513 A1 20201001; CN 113195408 A 20210730; EP 3947285 A1 20220209; SG 11202105804Q A 20210629
DOCDB simple family (application)
TH 2020000017 W 20200320; CN 202080007076 A 20200320; EP 20721849 A 20200320; SG 11202105804Q A 20200320