Polluted soil On-site projects

Pornainen, Finland, 2000-2002

  • Several different: thermal treatment
  • Oilhydrocarbons
  • Before treatment average 7000mg/kg
  • Treated material amount 20 000t
  • After treatment average 300mg/kg

Maarianhamina, Finland, 2002

  • Maarianhamina old oil harbour: demolition of old building, crushing and thermal treatment. Excavation done on seaside.
  • Oilhydrocarbons
  • Before treatment average 10000mg/kg
  • Treated material amount 20 000t
  • After treatment average

Kotka, Finland, 2003-2004

  • Puistolanniemi old oil harbour: demolition of old building, crushing and thermal treatment. Excavation done on seaside.
  • Oilhydrocarbons and VOC
  • Before treatment average oils 4000mg/kg and VOC mg/kg 200-300mg/kg
  • Treated material amount 80 000t
  • After treatment average oils

Kotka, Finland, 2005-2006

  • Puistolanniemi old oil harbour: demolition of old building, crushing and thermal treatment. Excavation done on seaside.
  • Oilhydrocarbons and VOC
  • Before treatment average oils 8000mg/kg and VOCs 200-300mg/kg
  • Treated material amount 30 000t
  • After treatment average oils

Naantali, Finland, 2003-2005

  • Naantali oil refinery:excavation, crushing and thermal treatment.
  • Oilhydrocarbons and PAHs
  • Before treatment average oils 70000-200000mg/kg and PAHs 142mg/kg
  • Treated material amount 175 000t
  • After treatment oils 470mg/kg and PAHs

Elverum, Norway, 2005-2006

  • Old wood impregnation site: excavation, crushing and thermal treatmenti.
  • Oils and PAH
  • Before treatment average oils 8575mg/kg and PAHs 2202mg/kg
  • Treated material amount 18 000t
  • After treatment oils 35mg/kg and PAHs 3mg/kg

Kemijärvi, Finland, 2010

  • Old pulp mill: excavation, crushing and thermal treatment.
  • Oilhydrocarbons and VOC
  • Before treatment average oils 500-30000mg/kg and VOCs 500-30000mg/kg
  • Treated material amount 50600t
  • After treatment average oils

Chambly, France, 2011-2012

  • Old factory area: thermal treatment
  • Oilhydrocarbons and PAHs, oil
  • Before treatment average oilhydrocarbons and PAH 30000mg/kg and oils 20000mg/kg
  • Treated material amount 60 000t
  • After treatment average oilhydrocarbons and PAH 50 mg/kg, oils 2500 mg/kg

Kursu, 2013-2015

  • Old saw area: thermal treatment
  • Dioxins and furans, oilhydrocarbons, chlorophenols
  • Before treatment average dioxins and furans 170000 ng/kg, oilhydrocarbons 2000-30000 mg/kg, chlorophenols 100-1000mg/kg
  • Treated material amount 55000t
  • After treatment average dioxins and furans 50 ng/kg, oilhydrocarbons 50 mg/kg, chlorophenols 40mg/kg

Guangzhou, 2016

  • Old steelworks: thermal treatment
  • PAH EPA 16
  • Before treatment average PAH EPA 57-2027mg/kg
  • Treated material amount 45000t
  • After treatment PAH 0.63-5mg/kg g

Oulu, 2016

  • Polluted soils at waste station: thermal treatment
  • Oilhydrocarbons and PAH
  • Before treatment average oilhydrocarbons 50000mg/kg, PAH 3000mg/kg
  • Treated material amount 60000t
  • After treatment oilhydrocarbons 50mg/kg, PAH 30mg/kg