| 发明名称 |
METHOD FOR TREATING CHEMICAL PULPS BY TREATMENT WITH OZONE IN THE PRESENCE OF MAGNESIUM IONS |
| 摘要 |
This invention relates to a method for treating chemical paper pulp comprising a step of treating the pulp with ozone followed by a step of alkaline extraction, in which alkaline extraction takes place in the presence of magnesium ions (Mg2+). |
| 申请公布号 |
EP3008240(A1) |
申请公布日期 |
2016.04.20 |
| 申请号 |
EP20140734894 |
申请日期 |
2014.06.13 |
| 申请人 |
L'AIR LIQUIDE SOCIÉTÉ ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCÉDÉS GEORGES CLAUDE;ASSOCIATION DE GESTION DE L'ECOLE FRANCAISE DE PAPETERIE ET DES INDUSTRIES GRAPHIQUES (AGEFPI);DEGREMONT FRANCE;XYLEM WATER SOLUTIONS HERFORD GMBH;ARKEMA FRANCE |
发明人 |
POUYET, FRÉDÉRIC;LACHENAL, DOMINIQUE;CHIRAT, CHRISTINE |
| 分类号 |
D21C9/00;D21C9/08;D21C9/10;D21C9/153 |
主分类号 |
D21C9/00 |
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