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HomeCorporateCompaniesAndritz to produce key course of gear for Arauco’s Mapa venture

Andritz to produce key course of gear for Arauco’s Mapa venture

Andritz has obtained an order from Celulosa Arauco y Constitución S.A. to produce energy-efficient and environmentally pleasant pulp manufacturing applied sciences and key course of gear for modernization and extension of the ARAUCO pulp mill in Horcones, Arauco, Chile. The order worth for ANDRITZ is within the area of 300 million euros; start-up is scheduled for the primary quarter of 2021.

The ANDRITZ scope of provide contains – on full EPS (Engineering, Procurement, Supervision) foundation:

An entire wooden processing plant with three debarking and chipping traces, one chipping line for forest-debarked wooden, chip storage with stacker-reclaimer mixing mattress system, chip screening, bark dealing with with BioCrushers, and is accomplished with HQ-Press bark presses that improve dryness of the bark and consequently the power effectivity and manufacturing of the bio mass boiler. Eucalyptus is debarked at a rated capability of 360 m3/h stable over bark per line utilizing RotaBarker know-how, which gives wonderful debarking outcomes with very low wooden losses. The chipping course of makes use of horizontally fed HHQ-Chippers, making certain excessive capability (400 m3/h stable below bark) with out compromising on chip high quality. The operation is supported additional by SmartWoodyard merchandise just like the superior choice assist info system, ChipperEKG and CrusherEKG situation monitoring methods, and ScanChip chip analyzers for chip high quality measurements.

An entire fiberline with a capability of 4,700 admt/d bleached pulp, together with Lo-Solids steady cooking with TurboFeed chip feeding system, brown inventory washing with multistage DD-Washers, 2-stage oxygen delignification adopted by deknotting, screening, and multistage DD-Washers. Bleaching relies on confirmed upflow reactor know-how and washing is carried out with DD-Washers after each stage, all contributing to low chemical consumption, high-quality pulp, and low environmental emissions.

An energy-efficient black liquor evaporation plant with a excessive capability of 1,750 tons/hour. The plant could have a 7+ Results warmth economic system system and focus black liquor to the excessive dry solids content material of 80% for environment friendly combustion within the restoration boiler. The plant is supplied with the newest of ANDRITZ’s improvements in secondary condensate high quality enhancement for 100% reuse in different departments of the mill. The scope additionally features a tank space and methanol liquefaction system. ANDRITZ’s lamella know-how and the distinctive course of resolution for scaling management reduces washing wants, making certain minimal plugging of warmth surfaces and good cleanability, which leads to excessive availability and will increase the general manufacturing and effectivity of the plant.

Full white liquor plant, together with environment friendly inexperienced liquor filtration with LimeGreen filters – producing clear inexperienced liquor and minimizing waste to landfill, white liquor filtration with LimeWhite filter – maximizing the white liquor high quality, and environment friendly lime mud filtration with two LimeDry filters offering excessive dry solids content material and low residual alkaline. The capability of the recaustizicing plant is 15,300 m3/d. The supply additionally contains two lime kilns (capability 700 t/d every) with low warmth consumption and low emissions to satisfy Arauco’s tight emission permits.


“In the course of the gross sales section, we assessed the capabilities of the corporate and ANDRITZ demonstrated its competence, dedication and professionalism. Congratulations to the entire ANDRITZ crew, who’ve labored arduous, effectively, and with ardour and professionalism for this end result. We’re simply beginning, however I’m certain this will likely be a fantastic venture for all involved,” says Franco Bozzalla, Senior VP Pulp and Vitality at ARAUCO.


The MAPA venture will renew and improve ARAUCO’s effectivity and pulp manufacturing, and as well as, it can strengthen ARAUCO’s competitiveness and management in world markets.

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