Method for producing paper
AssigneeBASF SE
InventorsWerner Auhorn, Dietmar Monch, Rainer Dyllick-Brenzinger, Rainer Scholz, Rainer Blum, Hubert Meixner
Life of this patent
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Abstract
Paper is produced by draining a paper stock containing process chemicals on a paper machine, a main stream of the paper stock and a dilution stream which consists of white water, contains at least 5% by weight of the process chemicals and amounts to 5-35% by volume of the total head box feed being fed via a head box to the paper machine wire. The papers thus produced have an excellent formation profile and an outstanding ash distribution.
Claims15
A process for the production of paper by draining a paper stock containing process chemicals on a paper machine in which a head box feed divided into a main stream of the paper stock and a dilution stream consisting of white water are fed via a head box to the paper machine wire, said dilution stream amounting to 5-35% by volume of the total head box feed, and wherein at least 5% by weight of the process chemicals are metered into said dilution stream.
Dependencies are inferred from the claim text.