Process for the joint production of sodium carbonate and sodium bicarbonate out of sesquicarbonate, in which the sesquicarbonate is dissolved in water, in order to form a feed water solution comprising both sodium carbonate and sodium bicarbonate, in which at least part of the feed water solution is introduced into all the compartments of an electrodialyser and in which a sodium bicarbonate enriched solution and a sodium carbonate enriched solution are extracted from the compartments.
申请公布号
WO2008003787(A1)
申请公布日期
2008.01.10
申请号
WO2007EP56935
申请日期
2007.07.09
申请人
SOLVAY (SOCIETE ANONYME);DETOURNAY, JEAN-PAUL;COUSTRY, FRANCIS M.;PASTACALDI, ALESSANDRA
发明人
DETOURNAY, JEAN-PAUL;COUSTRY, FRANCIS M.;PASTACALDI, ALESSANDRA