Kraft Pulping for the Environment of the 90's, 1990 TAPPI Conference Proceedings

This paper summarizes the latest information on the Beloit RDH system of Batch digester heat recovery. The extended delignification down to kappa numbers of 16 on softwoods and 10 on hardwoods has been commercially proven with this system while giving major pulp strength improvements and the expected reductions in steam and chemical consumption.

This represents a major addition to the ability of the industry in achieving reductions in TOCl/AOX levels.

The use of this type of extended delignification in conjunction with some or all of the conventional abatement strategies can result in compliance with some of the most aggressive TOCl legislation planned into the next century.

Author: Barratt, K.B.
Kraft Pulping for the Environment of the 90's, 1990 TAPPI Co
Kraft Pulping for the Environment of the 90's, 1990 TAPPI Conference Proceedings
35.00

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