TREATMENT OF FIBROUS MATERIALS

摘要

A method of providing a mixture of additives in an aqueous suspension of fibres to be used for the manufacture of paper, the method comprises providing within the suspension a localised zone of a freshly prepared mixture of discrete liquid streams of the additives, and causing the freshly prepared mixture to be dispersed within the suspension. The additive streams may be of a rosin emulsion and an aluminium salt solution.