Technical and Process Excellence

Insights from ANDRITZ senior experts and leading paper producers.

ANDRITZ SulfoLoop™ sulfur recovery plant uses ThioKraft technology, a new and clear example of what can be achieved at a pulp mill to control the sodium-sulfur balance, at the same time as enabling significant savings in chemical use.

ANDRITZ’s deep knowledge of woodyard operations combined with its state-of-the-art processing technology enables pulp producers to achieve remarkable financial results when it comes to reducing wood loss, improving chip quality, and optimizing fiberline performance.

ANDRITZ experts have gained almost a century of experience in the manufacturing and optimization of vacuum washers and provide a series of upgrades that can make a remarkable difference to washer performance.

Steam deicing in the debarking drum 

ANDRITZ provides modular plant solutions for treating sewage sludge from large municipalities.

A green transition doesn’t need to be complex and costly. When burners are designed to utilize a wide variety of fuels and industrial side streams, it is possible to significantly improve the plant’s environmental efficiency from the next shutdown onwards.

unites companies, research, and universities for technological breakthroughs in Finland

ANDRITZ has recently partnered with HolyPoly, a trailblazing German recycling company, to offer a unique solution for the disposal of all used paper machine clothing – circular economy at its peak!

No matter how smoothly your paper or board machine runs, and how thoroughly you take care of your press felts, you will still need to replace them on a regular basis. And that is usually an awkward job, requiring a number of trained personnel. But it doesn’t have to be that way – not any more. When ANDRITZ introduced the Felt Master, the changeover process got a whole lot simpler, safer and more reliable.

Fitting firmly into the ANDRITZ CircleToZero™ initiative, the HQ-Press bark press has evolved into a “must have” at pulp mills as it lowers carbon footprint, saves on energy costs, and considerably improves power boiler efficiency.

is much more efficient than you might think

Biomass powder burning

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.

Transforming a pulp mill into a biorefinery for renewable fuels

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.

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.

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

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

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.

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.

A Hidden Gem in the Fiberline

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.

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.

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.

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.