Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Treatment with particular chemical
162 72, 162 87, 162 77, D21C 914
Improved pulp strength and brightness of chemically produced pulp can be obtained by treating the pulp with the addition of 0.05-0.5% based on the weight of the dry fiber of certain aromatic materials in the hypochlorite bleaching stage.
patent: 4096029 (1978-06-01), Mills
patent: 4213821 (1980-07-01), Vanderhoek et al.
TAPPI, vol. 34, No. 5, May 1951, pp. 209-215.
Miller Robert A.
Nalco Chemical Company
Premo John G.
Smith William F.
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