ANDRITZ to modernize stock preparation at Mariysky Pulp and Paper Mill, Russia
ANDRITZ has received an order from Mariysky Pulp and Paper Mill to upgrade the existing stock preparation line of PM 1 with state-of- the-art equipment for thickening and high-consistency refining. Start-up is scheduled for the third quarter of 2018.

ANDRITZ will modernize the existing two-stage, low-consistency refining process, which will achieve a significant improvement in the final product. The installation includes a ModuScreen CP, an ANDRITZ Twin Wire Press with shredder, as well as an ANDRITZ high-consistency 1C refiner to significantly enhance the sack paper properties.
The existing ANDRITZ low-consistency TwinFlo refiner, supplied in 2015, will remain in the layout. Engineering, training, and advisory services for mechanical installation work, commissioning, and start-up are also part of the ANDRITZ scope of supply.
The sack paper production line has a capacity of 175 bdmt per day and uses a mixture of unbleached hard- and softwood as raw material.
Mariysky Pulp and Paper Mill is a well-known Russian supplier of paper products, such as wrapping paper, sack paper, writing paper, packaging paper, and corrugated board.