​​Lucent cocoa roasting system from side view​
Roasting system

Lucent

Lucent combines energy-efficient cocoa nib roasting with predictive process control, hybrid roasting technology, and advanced food-safe design for consistent flavor development and high throughput.

​​Lucent cocoa roasting system from side view​
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Key benefits

Higher throughput with lower energy consumption
Optimized filling levels, redesigned airflow and advanced heat recovery reduce energy consumption while maximizing roasting throughput and operational efficiency.
Food-safe design with simplified maintenance
Separated process air, enclosed roasting zones and accessible service areas enhance food safety, facilitate cleaning and reduce maintenance efforts.
Consistent roasting quality batch after batch
Predictive roasting control and advanced process automation ensure stable roasting conditions, repeatable flavor profiles, and reliable product quality.

Precision roasting engineered for efficiency​

​​Energy efficiency​

Hybrid roasting technology for optimized heat transfer

Lucent combines conductive and convective roasting to improve drying, accelerate heat transfer and significantly reduce energy consumption. The decoupled air system enables advanced airflow and temperature control while maintaining product quality.

Food safety

Enclosed roasting design separates product from combustion air

New sealing concepts and a fully enclosed roasting chamber reduce contamination risks and prevent product leakage. Separate seals for hot air and product zones enhance food safety while minimizing energy losses.

​​Automation​

Advanced automation with intuitive recipe management

The IO-Link-based automation architecture supports real-time diagnostics, centralized configuration and faster commissioning. Integrated recipe management and roast profiling simplify operation and enable consistent production performance.

Process consistency

Predictive roasting control for repeatable quality

The model-based control system continuously predicts future process states based on product properties, process parameters and system boundaries. This produces stable roasting conditions and highly consistent roasting results for every batch.

​Cooling technology​

Gentle and energy-efficient product cooling

The redesigned cooler concept ensures homogeneous cooling with optimized airflow and reduced cooling times. Gentle product transport and improved accessibility facilitate cleaning while lowering overall energy demand.

​​Throughput​

Optimized drum filling for maximum productivity

Carefully engineered drum geometry and process design ensure optimal product mixing and high filling rates. The TCO of the system reflects high throughput levels and reduced energy consumption.

Precision roasting engineered for efficiency​

​​Energy efficiency​

Hybrid roasting technology for optimized heat transfer

Lucent combines conductive and convective roasting to improve drying, accelerate heat transfer and significantly reduce energy consumption. The decoupled air system enables advanced airflow and temperature control while maintaining product quality.

Food safety

Enclosed roasting design separates product from combustion air

New sealing concepts and a fully enclosed roasting chamber reduce contamination risks and prevent product leakage. Separate seals for hot air and product zones enhance food safety while minimizing energy losses.

​​Automation​

Advanced automation with intuitive recipe management

The IO-Link-based automation architecture supports real-time diagnostics, centralized configuration and faster commissioning. Integrated recipe management and roast profiling simplify operation and enable consistent production performance.

Process consistency

Predictive roasting control for repeatable quality

The model-based control system continuously predicts future process states based on product properties, process parameters and system boundaries. This produces stable roasting conditions and highly consistent roasting results for every batch.

​Cooling technology​

Gentle and energy-efficient product cooling

The redesigned cooler concept ensures homogeneous cooling with optimized airflow and reduced cooling times. Gentle product transport and improved accessibility facilitate cleaning while lowering overall energy demand.

​​Throughput​

Optimized drum filling for maximum productivity

Carefully engineered drum geometry and process design ensure optimal product mixing and high filling rates. The TCO of the system reflects high throughput levels and reduced energy consumption.

Optimized air distribution and reduced pressure enhance heat transfer throughout the roasting process. The result is improved roasting efficiency and more homogeneous process conditions.

The roasting drum can be removed either from the front or from the top, reducing maintenance footprint requirements and simplifying service access for retrofitting or installation in confined spaces.

The decoupled burner design improves combustion efficiency and supports future energy sources such as hydrogen or biogas. The new design helps lower emission rates.

The stainless-steel drum improves heat transmission while reducing heat retention and extending component service life. The updated bearing and flange design minimizes product leakage and supports reliable long-term operation.

The centralized media rack simplifies maintenance and process integration by supplying utilities for drum, cooler and cyclone functions. IO-Link connectivity enables automated adjustment and reliable operation.

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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