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Pulp and paper are made from cellulosic fibres and other plant materials. Some synthetic materials may be used to impart special qualities to the finished product.

The Process

The wood received at pulp mill are chipped, cleaned, and screened for size and on addition of chemicals for kraft pulping, digester separates the fibres and partially dissolve lignin and other extractives. This is followed by bleaching which produces, light colour preferred products. Further, dilute slurry is cleaned in cyclone cleaners and screened in centrifugal screens.

The Problem

The quality of pulp is affected by many factors, including feed speed and pulp concentration. Increasing the number of pulp sections can improve the quality of pulp but will increase the energy consumption and equipment investment.

The Solution

A process intensified method could be obtained by integrating the UADA module into the pulp screening process. The UADA module optimizes the process by replacing the classic pulp screening devices and efficiently separating the pulp slurry.

The Advantages

As there are practically no rubbing parts, long service time without maintenance is achieved which saves a lot of money and effort on equipment cost and maintenance.

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