You are here:

Summary of environmental aspects

Summary of environmental aspects of Wärtsilä's products and solutions

Environmental aspect and productEnvironmental impact and componentWärtsilä's solutionCustomer's opinions
Emission into the air Pollution of air    
Engine and power plants Climate warming: carbon dioxide (CO2) Increasing engine and plant efficiency, multifuel engines
  • Using a different fuel
  • Using a fuel with a lower sulphur content
  • Investment in secondary emission reduction technologies
  • Planned or optimised maintenance and correct operation
Acidification: sulphur oxides (SOx) Increasing engine efficiency, several emission reduction technologies, multifuel engines
Acidification, eutrophication, lower atmosphere ozone formation: nitrogen oxides (NOx) Low NOx combustion, air humidification technologies, SCR, multifuel engines
Human health impacts, visual impacts: particles, smoke (PM) Optimising the combustion process, common-rail fuel injection, electrical filters
Reduces oxygen uptake in the lungs: carbon monoxide (CO) Optimising injection, compression, and the shape of the combustion space, oxidation catalysts (gas engines)
Climate warming (CH4), ozone formation in the lower atmosphere, some carcinogenic compounds: hydrocarbon (THC, VOC) Oxidation catalysts in gas engines for VOC emissions, optimising the combustion process
Consumption of raw materials Depletion of natural resources    
Engines Cast iron, alloy and structural steel, aluminium alloys. Main chemical elements of engines: Fe 90.8%, Al 2.7%, C 2.2% Long product life, using recycled materials, material efficiency, automated filters, modernising engines, overhauling and recycling components
  • Planned or optimised maintenance and correct operation
  • Personnel training
  • Overhauling
  • Recycling components
  • Recycling catalysts
  • Optimising process parameters
Propulsion systems and seals Metals, bronze, rubber. Main chemical elements of propulsion systems: Cu 80.1%, Al 9.3%, Ni 4.9% Long product life, using recycled materials, material efficiency
Power plants Several different materials such as steel, concrete, seals, water Prefabricated modules, material efficiency
Secondary cleaning technologies Alloy and structural steel, different types of catalyst materials, reagents (e.g. ammonia urea), water Developing primary technologies; developing secondary technologies in collaboration with equipment manufacturers
Consumption of fuel & lubricating oils Depletion of natural resources    
Engines and power plants Liquid oil-based fuels (e.g. LFO, HFO, Orimulsion®), gas fuels (e.g. LNG, NG, CNG) and biofuels (e.g. rapeseed and palm oil, biomass), lubricating oil Improving energy efficiency, reducing the consumption of lubricating oil, multifuel engines, utilising biofuels and alternative fuels in power production
  • Planned or optimised maintenance and correct operation
  • Personnel training
  • Using environmentally benign fuels
  • Using environmentally favourable lubricating oils 
  • Using environmentally favourable seals
Propulsion systems Lubricating oil, hydraulic oil Improving the total operating efficiency of ships, increasing the service life and reducing the consumption of lubricating oil, preventing oil leakages
Solid and liquid waste Increased waste and landfill sites    
Engines Lubricating oil used, filters and components, waste oil Using recyclable materials and optimising the use of material, automated filters, long service intervals, overhauling components, reducing the consumption of fuel
  • Planned or optimised maintenance and correct operation
  • Personnel training
  • Recycling and proper waste disposal
  • Evaluation of the potential uses of end products
  • Optimising process parameters
Power plants Construction waste, ash, waste water, waste oil, office waste Prefabricated, ready-to-install modules
Secondary cleaning systems End products and catalysts of flue gas decontamination Evaluating the potential uses of end products, developing dry primary technologies
Noise and vibration Discomfort    
Engines and power plants Structure-borne noise, flue gas noise, airborne noise Efficient noise reduction solutions and damping systems, e.g. re-positioning wall structures and noise-generating sources
  • Planned maintenance and correct operation of the power plant
Heat emission Warming of the atmosphere    
Engines and power plants Waste heat from exhaust gases Heat recovery systems 
  • Optimising process parameters