ANDRITZ Separation - ANDRITZ Group

How can you eliminate 28,000 tons of CO2 emissions? - Case Study

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Courtesy of ANDRITZ Separation - ANDRITZ Group

Schwenk, Allmendingen (Germany)

Did you know: The world’s largest rotary drum dryer for sludge handling helps one of Europe’s leading cement manufacturers to produce dried municipal sludge from kiln exhaust heat as a sustainable fuel source while significantly reducing the plant’s raw fuel consumption and CO2 emissions.

Energy efficiency. For cement manufacturers, it can make a world of  difference. Take, for example, one of Germany’s largest cement producers, who approached us with an innovative  idea. They wanted to turn municipal sludge into a sustainable fuel source using recycled exhaust gas heat to dry the product. 

Our solution: 

The world’s largest rotary drum dryer for sludge drying, 4.6 m in diameter and 17 m in length, achieving dry solids content of 90% using only exhaust gas from the cement kiln as a heat source.

Results: 

Eliminated the need for costly heat exchangers, reduced annual raw fuel consumption by about 20,000 tons/year and CO2 emissions by nearly 30,000 tons annually.

It’s just one of countless challenges solved by ANDRITZ Separation – one of the leading separation technology specialists. With the broadest technology portfolio and more than 2,000 specialists in 40 countries, ANDRITZ Separation is a driving force in the evolution of separation technologies, services, and solutions. 

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