162 / | HD | PAPER MAKING AND FIBER LIBERATION |
1 | DF | PROCESSES OF CHEMICAL LIBERATION, RECOVERY OR PURIFICATION OF NATURAL CELLULOSE OR FIBROUS MATERIAL {33} |
29 | DF | .~ With regeneration, reclamation, reuse, recycling or destruction of digestion fluid {3} |
41 | DF | .~.~ Recirculation (includes separation from fibers) {2} |
42 | DF | .~.~.~ With treatment of fluids during recirculation {2} |
43 | .~.~.~.~ Removal and/or separation of portion of recirculating fluid {1} | |
44 | DF | .~.~.~.~.~> With recombing |