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Paris, Région île de France

Energy Recovery Optimization

Optimizing energy recovery in a waste-to-energy plant through the engineering and commissioning of Advanced Process Control (APC) solutions.

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Key Results

100% Turnkey APC Project Financed and Performance-Guaranteed by Enero Solutions

+15,000 t

Household Waste Incinerated Annually

+30,000 MWh

Annual Thermal Energy Output

-30% %

NOx Emission Reduction

-2,500 t

Annual CO2 Equivalent Reduction

+4.5 %

Combustion Efficiency

-250,000 Average / L

Annual Urea Consumption for NOx Treatment

-50 % Process Variability

Stabilization of Combustion and Steam Output

Challenges

Combustion Variability

Stabilize waste combustion regardless of NCV variations to ensure maximum availability and reliability of incineration furnaces.

Prioritization of Energy Needs

The generated energy must be dynamically allocated to prioritize supplying the Paris district heating network, while meeting the facility’s own electrical needs and monetizing surplus power through grid export.

Overall Energy Performance

Fluctuations in combustion and energy demand complicate the simultaneous optimization of steam production and export, limiting overall energy efficiency and reducing the value generated per ton of processed waste.

Project Overview

Deliver a turnkey energy performance project, self-financed by Enero, featuring the deployment of Advanced Process Control (APC) for combustion across incineration furnaces and steam network coordination for cogeneration.

With the following objectives:

  • Stabilize waste combustion (Oxygen levels, steam flow rate),
  • Increase combustion efficiency to maximize steam production,
  • Increase energy recovery to the district heating network,
  • Reduce steam losses at the vents,
  • Reduce production losses,
  • Reduce manual operator interventions.

APC Solutions

Combustion, Steam Network, Drum Level, and Superheated Steam Temperature Solutions

The APC solutions delivered continuous, stable, and optimized steam production while fully leveraging plant capacity: increasing waste combustion efficiency, reducing manual operator interventions, maximizing incineration furnace availability, and boosting overall energy recovery.

The verified gains on site, following the commissioning of the APC solutions, enabled project investment payback in under 36 months.

Approach

  • Instrumentation and control performance audit,
  • Dynamic simulation of furnaces and turbine,
  • Programming of APC logics,
  • Validation and operator training on simulator,
  • Monitoring of operational and economic performance,
  • Remote support

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