Fields of Activity

Gas Cleaning
- Separation of dust, Cl, NOx, SOx, H2S und trace substances
- Single components - complete systems
Combustion Engineering
- Classic fossil fuels
- Wastes
- Varying combustion system
Thermal Treatment of Wastes and Residues
- Classic grate combustion systems
- Alternative processes of treatment
- Single components - complete systems
Plant design
- Analysis of processes and systems
- Computational intelligence
- System variants (process variants, other processes)
- Single components - complete systems
Modelling and simulation
- Thermal utilisation of wastes
- Combustion processes for fossil fuels
- Optimisation of plants and models
- Development of User-defined subroutines

Evaluation and Expertising of Special Processes for
- Dust removal
  - Electrostatic precipitators
  - Filtering separators
  - Wet separators
  - Cyclone separators
- Desulphurisation
  - Dry and semi-dry processes
  - Wet processes
- DeNOx
  - SNCR with ammonia, urea, manure and chemical residues
  - SCR
- Combined separation of dust, SOx, NOx, CO and organ. components
Optimisation of Processes for Dust Removal
- Electrostatic precipitators
- Perforated foil separators
- Fabric filters
- Candle filters
Optimisation of Processes for Combined Separation
- Absorption of SOx, HCl, HF, NOx and dust
- Separation of H2S and sulphur carbon compounds by lime
- Wet and dry sorption
Contributions to Solutions of Special Problems
- Evaluation of the actual state of gas flow in catalysts and separators
  - Distribution of temperatures, concentrations and velocities
- Physical and mathematical model investigations
  - Optimisation by internals (guide plates, "Delta-wings")
Computer simulations with the software package FLUENT™
- Flow simulation in single apparatus and complete systems
- Efficiency of dust separators

Common Combustion Engineering
- NOx-formation in gas, oil and coal dust firings
  - Burner- and Combustion-space-specific problems
  - Complete systems and and gas cleaning systems
- NOx-formation in fluidised bed combustions
  - NO-, NO2- and N2O-formation
- Cocombustion of wastes, waste water and waste water sludge
Pressurised Coal Dust Combustion
- Fundamental investigations on high pressure combustion, reaction kinetics
- Dust removal at high temperatures and high pressures
- Emission reduction for alkalines

Analyses of wastes and residues (planning, sampling, analysis, evaluation)
- Analysis of gaseous, liquid and solid samples
Procedural Evaluation and expertising of special processes
- Grate combustion process
- Smoulder incineration (Schwel-Brenn™) process
- Thermoselect™-process
Concepts of Processes for the utilisation of special substances
- Blast furnace gas, coke gas and tailgas
- Combustion of waste water, exhaust air and waste water sludge
Concepts of Processes for the treatment of liquid process substances
Computer Simulations with the software package FLUENT™
- Simulation of gas flow and reaction in combustion/radiation spaces of classic incinerators (grate boilers)
- Simulation of subprocesses in pyrolysis processes
  - Emission of smoulder-gas in rotary or fixed bed reactors
  - Residue/pyrolysis gas reaction in the combustion chamber (degrees of solid inclusion, distribution of temperatures and gas concentrations)
- DeNOx processes
  - Injection of ammonia or urea
- Combustion of loaded activated coke
  - Definition of optimised burner arrangement
- Complete processes
  - Temperature-keeping and distribution of temperatures in fire- and radiation space
  - Distribution of velocities and concentrations

Universität Duisburg-Essen