Summary of environmental aspects of Wärtsilä's products and solutions
 
 

Environmental aspect and product Environmental impact and component Wärtsilä’s solution Customers’ options
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, scrubbing technology, several FGD 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 Optimising the combustion process, common-rail fuel injection, electrical filters, scrubbing technology
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
Pump systems Emissions from diesel engine powered fire water systems Choosing power source with environmental focus
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 components
  • 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, insulation material, 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
Pump systems Nickel, aluminium, bronze and stainless steel Systems with long life, recyclable metals
Oil & Gas systems Several different materials such as steel, insulation materials, cast iron, alloys Using recycled materials, material efficiency, new technologies
Consumption of fuel & lubricating oils Depletion of natural resources
Engines and power plants Liquid oil-based fuels (e.g. Light Fuel Oil, lighter petroleum product distilled off during a refining process

 

" data-term="LFO">LFO, Heavy Fuel Oil, fuel oil that is a fraction obtained from petroleum distillation as a residue

 

" data-term="HFO">HFO, refinery residues), gas fuels (e.g. Liquefied natural gas, gas condensed to liquid form by cooling it to approximately -160°C

 

" data-term="LNG">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 favourable 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
Pump systems Diesel fuel, lubricating oil, hydraulic oil Focus on choosing the most environmentally sound solutions by having strategic suppliers with the proper environmental focus
Oil & Gas systems Lubricating oil, hydraulic oil, chemicals Focus on choosing the most environmentally sound solutions by having strategic suppliers with the proper environmental focus
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
Pump systems Lubricating oil, used components Using recyclable materials and optimising the use of material
Oil & Gas systems Filters, waste oil, waste water (sea water cooling) Using flushable waste water filters and recyclable materials
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
Pump systems Structure-borne and airborne noise Efficient hydraulic design and driver selection
Heat emission Warming of the atmosphere
Engines and power plants Waste heat from exhaust gases Heat recovery systems
  • Optimising process parameters

 

© 2016 Wärtsilä