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Mechanical pulps

ANDRITZ capabilities for mechanical pulp production

While mechanical pulp has many benefits (yield and optical qualities being at the top), as energy costs rise, the competitiveness of mechanical fibers declines. You can benefit from new ANDRITZ PULP & PAPER technologies that produce mechanical pulp of high quality at significant reductions in energy consumption.

The challenge

The amount of electric energy that could be saved in TMP plants around the world by using modern techniques is immense. Conservative estimates are that 70–75% of all plants are still using traditional technology. A simple 15% reduction in electric energy consumption would save about 750 MW per year. To be effective, these energy reductions must be available for both softwood and hardwood species.

The solution

ANDRITZ has made outstanding progress in reducing the energy demand of mechanical pulping and in improving the energy recovery efficiency. The development of chemical pre-treatments and defiberizing equipment has greatly improved the energy-to-quality ratio. ANDRITZ has developed tailor-made processes and technologies for hardwood and softwood mechanical pulping, as well as the pulping of annual fibers.

The ANDRITZ technology portfolio for mechanical pulp producers comprises high-quality equipment for the main processes, whether the fiber is hardwood, softwood, or even annual plants: wood processing, fiber processing, refining, refiner plates, heat recovery, bleaching, and pulp drying, including automation systems.

Every component is designed to work independently in a rebuild or modernization application, or perfectly integrates with other ANDRITZ machinery in a complete line for new installations.

Experienced ANDRITZ project teams give you support during engineering, planning, erection, and start-up of your mill. Technical and service support is available throughout the life of the equipment.

Processes and technologies available from ANDRITZ

  • Wood processing
  • ATMP
  • Washing
  • Screening
  • Bleaching
  • Pulp dewatering/drying
  • Heat recovery
  • Pumps
  • Engineered wear products
  • Automation


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