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Puffing system

Cerex

Our innovative puffing technology expands grains efficiently, preserving their original shape while enhancing texture and nutritional value. With 95% yield using 50% less energy, it's perfect for creating healthy cereals, snacks, chocolate bars and more.

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Key benefits

Efficiency in production
Achieve production yields exceeding 95%, significantly reducing waste while ensuring uniform puffing across all grains. This guarantees the highest possible output with consistent quality in every batch, maximizing the return on your investment.
Unmatched operating safety
Bühler-Cerex puffing system offers a stable, industrial-grade process that meets the strictest food safety standards. It ensures reliable, hygienic operations, making it the top choice for manufacturers seeking safe, dependable technology.
Less energy usage
Our puffing technology operates with 50% less energy compared to other systems, using just 60 kWh per 100 kg of product versus 120 kWh in alternative industrial solutions. This leads to a more cost-effective and sustainable production process.

Advanced puffing technology for efficient, superior quality

​​Fluidized preheating​

​Consistent treatment of every single grain

The fluidized preheating system ensures even, consistent preheating of each grain, preparing them optimally for puffing. This reduces energy waste and ensures that all grains are perfectly conditioned before entering the puffing phase, ensuring maximum yield.

High consistency and quality

Controlled expansion

The laminar expansion process from the reactor to the expansion channel ensures that every grain is expanded to the same extent, minimizing unpuffed grains and maximizing output consistency. This leads to superior product quality and minimal waste.

Reactor vs. puffing guns

Low noise emission

Unlike conventional puffing methods that use noisy blow guns, Bühler-Cerex puffing technology uses a reactor-based system. This eliminates the disruptive "gunshot noise" typical of older systems, providing a quieter working environment with significantly reduced noise emissions.

Food safe plant design

Fully sealed system

The Bühler-Cerex puffing system is designed with a sealed expansion channel, ensuring the highest standards of food safety. This prevents contamination and guarantees that the entire process meets strict hygiene requirements for food production.

The Bühler-Cerex puffing system offers flexible configuration options to meet different production capacities. This flexibility allows manufacturers to scale their operations based on production needs. The single-puffing system can process 350-500 kg/h, the double-puffing system can process 700-1000 kg/h and the quattro-puffing system can process 1400-2000 kg/h.

The Bühler-Cerex puffing system features an intuitive touch screen interface for effortless operation and enhanced safety. Built-in safety circuits automatically stop the system in emergencies, while data logging ensures full traceability. Backed by Bühler’s automation expertise, this flexible solution meets the highest industry standards for reliable and efficient production.

The Bühler process

Efficient in every step of production

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Key topics

Billions of people come into contact with Bühler technologies to cover their basic needs for food and mobility every day. Our motto is creating “innovations for a better world.” Find out more about our key topics.

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