ZKG Cement Lime Gypsum Newsletter
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ZKG Newsletter 12|2025
© Christian Reinke, HAVER & BOECKER
From machine supplier to service provider– 100 years of HAVER & BOECKER Machinery Division
HAVER & BOECKER OHG‘s machine manufacturing division is celebrating its 100th anniversary – a milestone in an industry that is not often in the media spotlight, but is indispensable for the global supply of building materials.
 
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Editorial
Thank you very much!
This will be the last time that ZKG and the ZKG newsletter are published by Bauverlag and with us as your editorial team. We would therefore like to take this opportunity to express our sincere thanks to everyone who has accompanied, shaped, and supported ZKG over many years.
 
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NEWS
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Green Challenge
The AI revolution – A self-optimizing bucket elevator for alternative fuels

© Di Matteo Group


The feeding of alternative fuels (AFs) is a challenging task, due to its inherent volatile material properties. Especially the vertical transport of AF particles in classical bucket elevators can lead to enormous throughput variations and associated conveying problems. This article presents an automatic optimization methodology for bucket elevators based on artificial intelligence and reinforcement learning.

 
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Spotlight
© Holcim
Innovative research project: Steel mill slag is being turned into a climate-friendly binder for cement
As a partner in the “WAGEOS2SHS” (Wassergranulation von Elektroofenschlacke zu Schwarzem Hüttensand; water granulation of electric furnace slag to black granulated blast furnace slag) research project, Holcim is testing another promising approach to decarbonizing the construction industry and cross-sector circular economy.
 
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Green Challenge
Green Challenge in the Lime Industry: Knoblinger sets standards for 100% biogenic fuels

© Knoblinger


The lime industry is under pressure to decarbonize like hardly any other sector. Fossil fuels drive emissions and costs upwards – and call for bold alternatives. At Albert Knoblinger GmbH & Co. KG we have taken on this challenge and, together with Köhler Kalk in Germany, implemented a pioneering plant that is making history: For the first time in Germany, lime is being produced using 100% biogenic fuel.

 
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Highlights of the Current Issue ZKG 8/2025
MARKETS AND TRENDS
Cement Market Special: Pakistan
 
OCCUPATIONAL SAFETY
Belt cleaners on high volume raw material conveyor
 
PRODUCTS
Segmented ring gear made of ADI cast iron
 
RECYCLING
Recycling of calcium sulfate screeds – reuse as a binder component
 
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