| PATENT ASSIGNEE'S COUNTRY | Canada |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Feeding first vol. of pulp liquor contg S-contg comp. selec ted from alkali sulphide etc through an amphoteric ion-ex change resin housed in ion-exchange unit - Sorbing said S-contg comp. onto resin in said unit - Recovering liquor depleted in S-contg comp. flowing in said first flow direction from said unit - Eluting the sorbed S-contg comp. from resin in unit with se cond vol. of eluting water flowing through unit in second flow directtion which is a counterflow direction to first flow direction, said second vol < first vol. |
| PATENT PHOTOCOPY | Available on request |
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