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Bleaching of dissolving pulp

Valmet provides state-of-the-art concepts for bleaching dissolving pulps. We assist you in achieving higher pulp quality, production efficiency and environmental friendliness.

Tissue remote service campaign

Chip screening

A screening stage is often necessary to achieve the uniform chip size demanded in different processes. Valmet’s concept for chip screening includes several screening options, all designed for effective removal of oversize and fine fractions from the chip flow.

Compaction Baffle Filter

Characterized by its compact, pressurized design, the CB Filter has offered pulp producers a solution with high washing efficiency, high feed consistencies and operating speeds, and minimal total costs for installation and maintenance.

Log receiving

Log receiving covers systems and equipment for wood intake and infeed including conveyors for log intake, unscrambling all needed types of conveyors, feeding, deicing and washing systems and log splitters.

White liquor oxidation system

The purpose of white liquor oxidation is to improve the Na/S balance of the Kraft process by replacing make-up caustic with internally generated alkali. Valmet offers two well-proven and efficient alternatives, an air-based oxidation system for the production of partially oxidized white liquor for oxygen delignification and an oxygen-based system for the production of fully oxidized white liquor for bleaching and oxygen delignification. Oxidized white liquor can also be applied for many gas scrubbing applications.

High-performance oxygen delignification

Valmet Oxygen Delignification system removes lignin with excellent efficiency. It is the ideal oxygen delignification stage and a great asset for pulp mills. Up to 65-70% of the remaining lignin after cooking is removed. This result remains unchallenged. The secret lies in the carefully optimized conditions.

Refining

Optimal blowline refining, hot stock refining, deshive refining and reject refining are key factors to achieve successful end products. Valmet chooses the refiners that are best suited for each application and customer.

Services for mechanical pulping

Valmet Screen Baskets

Valmet develops industry leading screening products and services.We have tailored solutions to your specific needs whether you target process availability, lower screening costs, stable end-product quality, longer lifetime or something else.