| 发明名称 |
METHOD FOR OZONE TREATMENT OF USED PAPER |
| 摘要 |
The invention concerns a novel method for ozone treatment of used paper which consists in transforming used paper into pulp in an aqueous medium, screening then de-inking said paper by liquid flotation, the method further comprising an ozone treatment step carried out at latest prior to the liquid flotation step. |
| 申请公布号 |
WO03071024(A3) |
申请公布日期 |
2004.03.25 |
| 申请号 |
WO2003FR00460 |
申请日期 |
2003.02.13 |
| 申请人 |
L'AIR LIQUIDE, SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE;TRICHET, ALAIN |
发明人 |
TRICHET, ALAIN |
| 分类号 |
D21C5/02;D21C9/153 |
主分类号 |
D21C5/02 |
| 代理机构 |
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