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TechNews

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Biomass powder burning

is much more efficient than you might think

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Highly combustible powder, perfectly suitable for fueling the lime kiln

A financially appealing solution to meet ever-growing defossilization demands

Biomass powder burning

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Dissolving fiberline

Making the switch: Kraft to dissolving pulp made easy

Textiles made from cellulose fibers are becoming more and more important as the world rapidly moves away from fossil-fuel derived products and seeks more environmentally friendly raw materials. ANDRITZ has developed the A-ConFlexTM continuous cooking method for bleached dissolving pulp production to make it easy for pulp producers to switch between dissolving pulp and kraft pulp according to market demand.

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Renewable fuels in aviation

ANDRITZ e-fuels and advanced biofuels concepts

Transforming a pulp mill into a biorefinery for renewable fuels

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Circular economy for forming fabrics started

Reutlingen, Germany, September 2022. Conservation of resources, reduction of energy consumption, CO₂ reduction, closed-loop circular economy - these are all firmly established cornerstones of ANDRITZ's sustainability strategy.

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High consistency refining 1

Less fiber, higher quality

In 2020, ANDRITZ launched specialized HC refining technology for tissue production in China to tackle the challenges of surging pulp costs as well as to meet the demands of tissue producers looking for differentiation. Due to its remarkable success in operation, the technology was then steadily introduced to other Asian countries from 2022. The following interview gives a complete overview of HC refining technology.

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Electric storm

As tissue mills seek to optimize their energy consumption for optimum sustainability, ANDRITZ’ introduction of a hood air system based on electrical heating is very timely

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Lime mud drying just got easier!

Simple and smart – In further efforts towards maximizing efficiencies of white liquor plants, ANDRITZ has developed LimeDry-H™.

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Prime cleaning performance in a single unit

The new PrimeClean TO is the latest innovation in cleaners from ANDRITZ. The “TO” designation comes from the fact that it combines two cleaning stages in one unit (two-in-one). Thanks to its innovative reject chamber design, the PrimeClean TO is ideal for removing sand and small particle debris from approach flow stock and recycled fiber processing lines at higher feed consistencies. The first systems have been sold and start-up is planned for early next year.

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ANDRITZ Lamella Evaporators

ANDRITZ lamella evaporation plants have proven to be so successful among pulp producing customers that major expansion in manufacturing has occurred three times over the last decade to keep up with the increased orders. The latest addition to lamella manufacturing will see a brand-new state-of-the art facility starting-up in China in the summer of 2022.

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DD-WASHER PLUS™

A Hidden Gem in the Fiberline

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Automatic Tail Threading

KEEPING SKILLED PERSONNEL SAFE! It is a credit to the skills of pulp makers across the globe that there are not more accidents reported when carrying out tail threading in the drying process. ANDRITZ has created a full range of solutions for automated tail threading from the wet end to the cutter to avoid exposure to moving parts.

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Technologies to reduce carbon emissions in tissue production

Even though pulp and paper mills are energy-intensive, our industry is one of least CO₂-intensive due to the wide use of bio-based and renewable fuels. The tissue and towel sector, however, emits more carbon per tonne of paper than most other paper grades, primarily due to purchased electricity from fossil-fuel sources. ANDRITZ is contributing in many ways to reduce the carbon footprint for tissue production through its “CircleToZero” initiative.

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Sensing wear level to increase plant uptime

The Metris DryQ Sensing Sealing Lip is able to determine its own wear status and thus fosters the ability to provide predictive maintenance to plant operations.

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Nowadays the main part of new tissue machines is equipped with a steel Yankee

The growth of the ANDRITZ steel Yankee

ANDRITZ has developed a world-wide reputation as a leader in the production of steel Yankees for a variety of paper grades and even tobacco machines.

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Lime kiln with LimeFlash-H system at night

A boost for the lime kiln - LimeFlash-H

Increasing capacity of the lime kiln is time consuming and costly as it usually involves the lengthening of the existing kiln shell, or even a replacement with a larger diameter. ANDRITZ experts have approached the challenge from a completely different angle, and now a capacity increase of up to 40% can be achieved at much lower costs.

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 Key components of a PrimeLineTAD tissue machine

PrimeLineTAD - Highest Quality at lowest possible Energy Input

ANDRITZ experts give a complete overview of its PrimeLineTAD (Through Air Drying) technoloy for the production of premium tissue products: Joseph Guadagno: Vice President Tissue and Air Systems, North America Stefano Marenco: Director PrimeLineTIAC and R&D Tissue Paul Richards: Senior Technology Manager Tissue

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The latest advancement in LC refiners: TwinFlo Prime makes its debut

ANDRITZ engineers are continually seeking ways to make products better – through design, manufacturing methods, and/or materials of construction. The introduction of the TwinFlo Prime refiner illustrates this point.

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DEvap - Small change - big difference

ANDRITZ has created a simple but remarkably effective way to improve energy efficiency of the pulp mill, at the same time increasing the mill overall evaporation capacity. The DEvap is a small digester evaporator unit integrated into the cooking plant.

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Smart Woodyard - Autonomy as a side product

Utilizing deep process knowledge and with many years of successful deliveries to woodyards around the world, the ANDRITZ Smart Woodyard has combined all its experience with the latest in IIoT technology. The result is an ongoing revolution of the woodyard.

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TechNews: PrimeFilter D disc filter - Upgraded performance and reliability

Major upgrades and a series of smaller innovations have been incorporated into the new ANDRITZ PrimeFilter D to improve performance and reduce maintenance. The new design includes the latest bagless technology, which is well-proven in over 65 installations to date. The upgraded PrimeFilter D has been well-received already – 15 units have been started up and more orders are being received from leading papermakers.

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TechNews: Two top new concepts for tissue production

In just two years, ANDRITZ has launched two completely new machine concepts for tissue producers to provide the very best in technology available for making specialty products with maximum efficiencies. The two concepts, the PrimeLineTEX and the PrimeLineVRT, are now available on the market and can be tested at the ANDRITZ tissue pilot plant in Graz.

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Performance Booster: Reliable measurements from inside the digester

Reliable measurements from inside the digester. ANDRITZ has teamed up with Savcor, a Finnish technology provider specializing in the use of electrochemistry for corrosion prevention and structural health monitoring, and have together developed a novel method to measure alkali levels inside the digester.

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TechNews: A robotic solution for a harsh environment

The recovery boiler smelt spout area is an unwelcoming and potentially dangerous place to work. However, essential regular tasks need to be carried out in the area for efficient and smooth operation of the boiler. A combined team of ANDRITZ design experts and workshop engineers have come up with a smart solution, the Smelt Spout Cleaning System, that enables essential work and maintenance to take place in a harsh environment.

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Key Equipment: The case for Conventional Thinking

ANDRITZ is regarded as an innovator in developing technologies for the manufacture of premium tissue grades that are in high demand today. Yet the majority of the world’s tissue is produced using conventional dry-creping techniques. To serve this large market, ANDRITZ continually enhances the reliability and performance of its “standard” technology.

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A better way to boost screen performance

An innovative concept – ANDRITZ Screen Booster – helps any mill upgrade the performance of its Screen Room. The Booster modules – Basket, Bearing Unit, Rotor, and Dilution Rotor – were created to enhance any of four critical components in a screening system. Any one, or all, of these upgrades can be easily installed on a screen as needed, regardless of the original equipment manufacturer.

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TechNews: TX68 Refiner features new feed system

ANDRITZ has designed a broad range of high-consistency (HC) refiners to meet the demands of pulp, paper, panelboard, and recycle producers. At the top of the line in terms of throughput and motor power is the TX68 twin refiner.

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TechNews: The next generation in screening and fractionation

Well-known with over 5,400 pressure screens installed in numerous stock preparation lines worldwide, ANDRITZ presents the latest evolution in screening – the PrimeScreen X. The innovative design of the new screen builds on the successes of the widely valued ModuScreen family, but offers innovative key benefits. The improvements in energy efficiency, screening performance, and maintainability are significant.

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TechNews: A-Recovery+ chemical recovery concept

allows mills to see the chemical cycle in a new light.

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New tissue forming fabrics

The patented QSB forming fabric design allows producers to improve tissue product quality and machine performance.

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Key Equipment: HHQ Chipper

ANDRITZ integrates several innovative technologies to increase chipper throughput and wood chip quality.

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TechNews: IDEAS Digital Twin in Process Industries

Since the 1980s, thanks to advances in computation technologies, computer based simulation of processes using first principle models has become a well-known and widely used engineering tool for various industries. As our understanding of processes has increased, their representative models have become more realistic and sophisticated. The resulting improvement in accuracy has made simulation a fundamental predictive and diagnostic tool in process industries.

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Key Equipment: Let your performance grow with ANDRITZ pulp drying system

The Pulp Drying System designed by ANDRITZ is a new and innovative system that combines selected areas of development into one complete, reliable, high-performance drying line.

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Performance booster - FIBER GPS™

The shortest route to fiber quality. Innovative GPS navigates shortest route to fiber quality at lowest cost. Like your smartphone's GPS can guide you almost anywhere in the world, the "papermaking GPS" guides you in making the right choices about fiber mix, applied energy, and paper quality. It’s significantly reducing trial and error on your machine and saving time and money.

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TechNews - Minimizing Mercury, SOx and particle matters

A hollistic approach.

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TechNews - Ultra high dispersing

Cleaner stock at the highest level of performance

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Performance Booster

Having it all - top quality screening & high level runnability.

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Key Equipment: Enhanced services for ANDRITZ DD-Washers

With installations in 24 countries, the DD-Washer is clearly preferred for fiberline washing applications. To support this installed base, ANDRITZ has developed a full range of monitoring, diagnostic, and support services to reduce lifecycle costs and keep availability high.

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TechNews - GOING VERTICAL

The latest innovation in dewatering

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HERB recovery boilers

TechNews - Proven methods

for removing chloride and potassium from the recovery loop.

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METRIS FOX - Online quality index for pulp

Up until relatively recently, bonding and fiber strength when producing pulp could only be measured in a laboratory, which means time, expense, and delayed results, as often the pulp is already made when the tests are being carried out. ANDRITZ’s Fiber Online Index has changed all that and provides a tool for real-time monitoring of pulp quality.

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Evolution of the ANDRITZ DD-Washer

Each generation better than the previous

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New advances

in paper coating technology.

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New technologies

for Lignin Recovery and sulfuric acid production in a kraft pulp mill

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Energy-efficient fiber treatment with Durabond refiner plates

The cost of fiber and energy represent about 60% of a paper mill’s manufacturing cost. Optimizing refining action with the proper refiner plate technology can, therefore, have a significant impact on the bottom line. This TechTalk discusses the development of low-cost, energy-efficient fiber treatment in the refining process.

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Spectrum

Magazine of ANDRITZ PULP & PAPER

ANDRITZ PULP & PAPER publishes SPECTRUM magazine twice a year. We created SPECTRUM to highlight the success of our customers and discuss the main issues facing the pulp, paper and power industry today.

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Subscribe to ANDRITZ SPECTRUM Newsletter

We created SPECTRUM to highlight the success of our customers and discuss the main issues facing the pulp, paper and power industry today.

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Trade fairs - ANDRITZ Pulp & Paper

Visit ANDRITZ PULP & PAPER at trade fairs all around the world

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