Andritz receives major order from Mondi Syktyvkar, Russia

Graz, (PresseBox) - International Technology Group Andritz received an order from Mondi Syktyvkar Pulp and Paper mill in Komi Republic, Russia, to supply a new recovery boiler, evaporation plant, and woodyard. The order also includes the rebuild of the existing fiberline. The typical order value for such a project is 100−130 MEUR; order completion is scheduled for 2010.

The state-of-the-art 3,560 tds/d recovery boiler − equipped with odorous gas incineration systems − maximizes electrical energy generation in the plant, thus ensuring cost-effective power generation in the mill and helping to protect the environment.

The supply also includes an evaporation plant and a condensate stripping plant. The six-effect evaporation plant has a water evaporation capacity of 550 t/h; the final product solids content is about 75%. All condensates are separated for further use within the pulp mill. The condensate stripping plant purifies the methanol-rich condensates from the new and the existing evaporators. The collected methanol is treated in a new methanol plant to produce liquid methanol fuel.

The woodyard, which has a capacity equivalent to a pulp production of 875,000 t/year, consists of two debarking lines with the highest capacity in the world. The chippers are the biggest in the world, with 3.87 m disc diameter and 18 knives. The chipper is designed to produce homogenous, high chip quality with extremely high capacity of the lines.

The fiberline delivery includes an upgrade of hard- and softwood lines. The hardwood fiberline comprises a brownstock washing upgrade with a pressure diffuser and two-stage DD washer; the capacity will increase to 1,500 t/d. For the softwood fiberline, Andritz will convert the existing continuous digester to Downflow Lo-Solids® cooking. The upgrade also comprises a TurboFeed® chip feeding system; the capacity will increase to 1,000 t/d.

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