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Impregnator

The sudden expansion of the chips in the impregnator enables the chips to instantly soak up the impregnation chemicals provided to the impregnator.

Valmet TwinRoll press

Valmet's TwinRoll presses are characterized by excellent washing efficiency, high availability and high output consistency. They also have very high specific capacity resulting in extremely compact installations, which make the TwinRoll presses especially suitable for upgrades.

Uses of lignin

Lignin can replace fossil-based raw materials in a wide range of industries. Here's a few examples. Using lignin instead of fossil-based materials will lower emissions of CO2.

Screw drainer

A screw drainer is designed to drain the circulating wash water from the washed chips prior to entering the impregnation or primary refining system.

Pumps

Valmet’s unique and wide range of medium consistency pumps enables the most energy and cost-efficient pump choice for each application. The selection consists of two types of pumps: the CM type for feeding bleaching stages and reactors, and the CW type for feeding presses.

Liquor filter

The Valmet Liquor Filter effectively separates fibers from the spent liquor. All recovered fiber is returned to the pulping line for additional gain. An investment of a Liquor Filter will reduce fiber loss and ensure continuous economical operation for your evaporators.

Bleaching of chemical pulp

The key success factors in bleaching chemical pulp are effective mixing of bleaching chemicals into the pulp, well-defined retention times in bleaching reactors and barrier washing between bleaching stages. Barrier washing results in low chemical consumption, low effluent flows and the possibility to operate at zero fresh water consumption.

Valmet Continuous Cooking

Valmet Continuous Cooking is the first-hand choice for kraft mills pulping wood based raw materials such as hardwoods (eucalyptus, acacia, birch etc.), softwoods (pine, spruce etc.) and bamboo.

Valmet Horizontal Tube Cooking

Valmet provides reliable and efficient continuous horizontal tube digesters for cooking of non-woods such as bagasse and straw.

Bale quality system, BQS

Valmet, the global leader in pulp and paper lines, supplies the Bale quality system (BQS) as a supervisory tool designed to keep track of production data and quality parameters for bale handling. BQS is a unique system that tracks each individual bale, bale set and bale unit throughout the production line. The system uses absolute bale position tracking to ensure exceptional reliability of key data.