EP 3752670 A1 20201223 - A METHOD FOR THE TREATMENT OF CALCIUM-CONTAINING SOLID SIDE STREAM MATERIAL
Title (en)
A METHOD FOR THE TREATMENT OF CALCIUM-CONTAINING SOLID SIDE STREAM MATERIAL
Title (de)
VERFAHREN ZUR BEHANDLUNG VON KALZIUM ENTHALTENDEM FESTEM SEITENSTROMMATERIAL
Title (fr)
PROCÉDÉ DE TRAITEMENT DE MATÉRIAU DE FLUX LATÉRAL SOLIDE CONTENANT DU CALCIUM
Publication
Application
Priority
- FI 20185143 A 20180216
- FI 2019050101 W 20190211
Abstract (en)
[origin: WO2019158814A1] A method for the treatment of calcium-containing solid side stream material (1) obtainable from a chemical recovery process (2) of a chemical pulping process (3) is disclosed. The method comprises treating the calcium-containing solid side stream material with an acid (4), thereby obtaining a solution (5) comprising a calcium and/or magnesium salt of the acid. A system (14) for the treatment of the calcium-containing solid side stream material and products (5, 13) obtainable by the method are also disclosed.
IPC 8 full level
D21C 11/00 (2006.01); B09B 3/70 (2022.01); C02F 1/58 (2023.01); C02F 11/02 (2006.01)
CPC (source: EP FI)
B01F 27/411 (2022.01 - EP); B09B 3/70 (2022.01 - FI); C01F 11/18 (2013.01 - FI); C02F 5/02 (2013.01 - EP); C02F 9/00 (2013.01 - EP FI); C02F 11/148 (2019.01 - FI); D21C 11/00 (2013.01 - FI); D21C 11/0007 (2013.01 - EP FI); D21C 11/0042 (2013.01 - FI); D21C 11/0064 (2013.01 - EP); D21C 11/0078 (2013.01 - FI); D21C 11/0085 (2013.01 - EP); D21C 11/04 (2013.01 - FI); B01F 2215/0431 (2013.01 - EP); B01F 2215/0481 (2013.01 - EP); C02F 1/004 (2013.01 - EP); C02F 1/048 (2013.01 - EP); C02F 1/461 (2013.01 - EP); C02F 1/66 (2013.01 - EP); C02F 3/12 (2013.01 - EP); C02F 2001/5218 (2013.01 - EP); C02F 2101/10 (2013.01 - EP); C02F 2101/20 (2013.01 - EP); C02F 2103/28 (2013.01 - EP); Y02P 40/40 (2015.11 - EP); Y02W 10/10 (2015.05 - EP)
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 2019158814 A1 20190822; CN 111742099 A 20201002; EP 3752670 A1 20201223; FI 129877 B 20221014; FI 20185143 A1 20190817; UY 38098 A 20191001
DOCDB simple family (application)
FI 2019050101 W 20190211; CN 201980013836 A 20190211; EP 19707041 A 20190211; FI 20185143 A 20180216; UY 38098 A 20190215