White pitch deposits originated from the wood
extractives, synthetic polymers, and additives used in the
papermaking process, etc. may cause numerous problems to the
papermaking process and also degrade the product quality.
The timely analysis and characterization of white pitch
deposit is important for tracing the origin of the deposits....
The degradation of kraft pulping wastes in estuarine waters
was measured in terms of the following parameters: five-day 20°C
B.O.D., the Pearl-Benson Index, and toxicity to the bay mussel
(Mytilus edulis L.). The waste tested was the total effluent from a
combined pulp and paper mill producing 430 tons of...