WHAT WE DO

Delta-EM offers specialist consultancy, engineering and EPC services, ranging from due diligence over basic & detailed design to project management and procurement in the fields of sludge treatment, waste management, bio-energy, energy recovery and efficiency, air pollution control, optimisation of industrial burners and furnaces and thermal recycling of waste.

TECHNOLOGIES

Delta-EM offers technologies and engineering services in the following areas:

  • Renewable energy generation from biomass and biowaste
  • Waste management technologies for gaseous, liquid and solid waste streams
    • Thermal recycling process based on pyrolysis and gasification
    • Energy-from-Waste systems for municipal, industrial and hazardous waste
    • Combustors, thermal oxidisers and incinerators
    • Industrial and medical waste incinerators with or without waste heat recovery boilers
    • Clean and Dirty Materials Recovery Facilities
    • Mechanical Biological Treatment of solid waste
    • Sludge dewatering, drying and incineration
    • Ground flares
  • Energy recovery through steam, thermal oil, ORC, steam turbine
  • Flue gas cleaning system using the following unit processes or a combination thereof:
    • Dry and semi-dry scrubbing using lime or sodium bicarbonate
    • Semi-wet scrubbing using slaked lime
    • Wet scrubbing using caustic soda, lime or limestone
    • Baghouse filters or ceramic filters with our without residue recirculation
    • Catalytic, non-catalytic and hybrid deNOx
    • Catalytic PCDD/F removal
    • Adsorption of volatile metals and PCDD/F using PAC injection, GAC beds or zeolites beds
  • Odour treatment
  • Design and optimisation of burners and industrial furnaces
  • Energy efficiency of industrial thermal processes including driers, evaporators, ovens, furnaces, boilers etc…
  • Displacement and treatment systems for explosive vapours and VOC laden gas streams

For each of these areas, our engineers can rely on a range of in-house developed engineering tools and software programs.

Waste Management and Biomass Conversion

  • Heat and Mass Balance
  • Calculation Programmes
    • Sludge Drying and Incineration Plants
    • Material Recovery Facilities
    • Mechanical Biological
    • Treatment Plants
    • Mechanical Heat Treatment
    • Anaerobic Digestion Plants
    • Energy-from-Waste Plants (Pyrolisis/Gasification/Combustion/CHP)
    • Biofuels from Biomass and Waste (Fermentation)
    • Air Pollution Control / Flue Gas Cleaning
  • Equipment Calculation and Sizing tools
  • Waste Flow Modelling Software

Optimisation and Energy Efficiency of Industrial Thermal Processes

  • Process Design and Simulation Programmes
    • Gas, Fuel, Multi-fuel, Waste Gas/Effluent Burners
    • Process Furnaces
    • Heat Recovery Systems
    • Incinerators, Flares, Combustors, Thermal Oxidisers
    • Dryers, Evaporators
    • Equipment Design Programmes and Database
  • Computational Fluid Dynamics Simulations Including Reaction Chemistry

Vapour Handling and Treatment in Tank Farms and Terminals

  • Large database with physicochemical properties of chemicals including vapour tension, partial pressures, density, viscosity, LEL
  • Calculation tool for LEL of vapour mixtures
  • ATEX classification according to international norms
  • Hazop check-list specific for operation of liquid and gas storage and transfer facilities
  • Process simulation software for end-of-pipe vapour treatment solutions including scrubbers, ad/absorbers, condensers, flares, combustors, heat recovery boilers
  • Equipment database and design software for safe transport of vapours including dynamic ans static flame arrestors, detonation arrestors, ATEX zone 0 fans