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公开(公告)号：ES2729110T3
公开(公告)日：2019-10-30
申请号：ES12830388
申请日：2012-08-28
Applicant: STORA ENSO OYJ
Inventor： NÄSMAN MATS , BJÖRK MARIA
Abstract: Un proceso para tratar un licor negro de madera dura a partir de la fabricación de pulpa de madera dura, para precipitar los iones de calcio presentes en dicho licor, en el que el proceso comprende las etapas de: - proporcionar un licor negro de madera dura de la fabricación de pulpa de madera dura - tratar en al menos una parte de dicho licor a una temperatura superior a 165-185°C, en el que precipitarán los compuestos de calcio en el licor negro se precipitarán, predominantemente en la forma de carbonato de calcio.
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2.发明公开PROCESS FOR TREATING HARDWOOD BLACK LIQUOR AND HARDWOOD BLACK LIQUOR TREATED ACCORDING TO THE PROCESS 审中-公开方法硬木SCHWARZL眼对处理过的硬木SCHWARZL眼治疗而直
公开(公告)号：EP2753750A4
公开(公告)日：2015-04-22
申请号：EP12830388
申请日：2012-08-28
Applicant: STORA ENSO OYJ
Inventor： NÄSMAN MATS , BJÖRK MARIA
CPC classification number: D21C11/106 , D21C9/08 , D21C11/00
Abstract: A process for treating a hardwood black liquor from the manufacturing of hardwood pulp in order to precipitate calcium compounds present in the liquor wherein the process comprises the steps of; providing a hardwood black liquor from the manufacturing of hardwood pulp and treating at least one part of said liquor at a temperature of above 160°C wherein the calcium compounds present in the black liquor will precipitate. The invention also relates to hardwood black liquor being treated according to the process.
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3.发明公开PROCESS FOR PRODUCTION OF PRECIPITATED LIGNIN FROM BLACK LIQUOR AND PRECIPITATED LIGNIN PRODUCED BY THE PROCESS 审中-公开制造方法从黑液中沉淀的木质素和在由该过程中沉淀木质素
公开(公告)号：EP2591166A4
公开(公告)日：2014-10-08
申请号：EP11803906
申请日：2011-07-07
Applicant: STORA ENSO OYJ
Inventor： HANNUS MIKAEL , BJÖRK MARIA , GAROFF NIKLAS , ENGLUND INGRID
CPC classification number: C07G1/00 , C08H6/00 , D21C11/0007
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