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Sustainable waste management in the Lahti region_Cleantech Lahti_Lahti Science and Business Park ltd
 

Sustainable waste management in the Lahti region_Cleantech Lahti_Lahti Science and Business Park ltd

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    Sustainable waste management in the Lahti region_Cleantech Lahti_Lahti Science and Business Park ltd Sustainable waste management in the Lahti region_Cleantech Lahti_Lahti Science and Business Park ltd Presentation Transcript

    • Wuxi/ Lahti cleantech co-operation optionsSustainable waste management in Lahti region Esa EkholmEsa Ekholm / Cleantech Lahti Business DirectorLahti Science and Business Park Ltd LADEC Ltd Lahti Region DevelopmentApril 2013 1
    • Lahti region 11 municipalities 200.000 inhabitants 39 inhabitants/km2 FINLAND RUSSIA SWEDEN ESTONIA LATVIA LITHUANIA UK
    • Integrated waste management system - Public Private Partnership (PPP)SEWAGE WATER SOLID WASTE Päijät-Häme Waste Private Management Waste Lahti Collection Aqua Companies Lahti Private Energia Recycling Companies
    • The most important milestones formunicipal waste management of Lahti region 1993: Establishment of regional municipal solid waste company Päijät-Hämeen jätehuolto Oy / Päijät-Häme Waste Management Ltd (PHJ) 1995: Separate collection and windrow composting of bio-waste 1998: Separate collection of combustible waste from large scale estates 1998: Lahti Energia Oy (LE) started the first gasification plant  2000: Extension of separate collection of combustible waste to all households  2002: Landfill gas capture (PHJ) and utilisation in Hartwall brewery  2005: Joint composting company Kujalan Komposti Oy and composting plant for sewage sludge of Lahti Aqua Ltd (LA) and bio-waste of PHJ  2006: Outsourcing of compost post treatment and marketing to Kekkilä Oy  2008: Outsourcing of incineration (PHJ) of mixed waste into new incineration plants and construction of transfer station (PHJ) for waste to be incinerated  2011: Construction of combustible waste treatment plant (PHJ)  2012: Starting new big gasification plant (LE)  2014 Starting new dry digestion plant for bio-waste and sludge
    • SORTING STARTS IN THE KITCHEN
    • COLLECTED FRACTIONS block houses with minimum of 10 flats mixed bio- energy paper card waste waste waste boardglass and metal packaging and WEEE to collection pointsvarious hazardous fractions to different collection points
    • COLLECTED FRACTIONS one-family and semi-detached houses of less than 10 flats mixed energy waste waste row houses minimum of 3 flats also paper paperhome composting of bio-waste recommendedglass and metal packaging and WEEE to collection pointsvarious hazardous fractions to different collection points
    • REGIONAL WASTE MANAGEMENT SERVICES Kujala Waste Treatment Centre 7 big waste collection yards and 5 small ones 5 receptacles for hazardous wastes at service stations Pharmacies receive waste medicines Collections of hazardous wastes 86 Recycling points Recycling centre as a partner
    • Solid recovered fuel (SRF)5 PRIVATE SOLID WASTE COMPANIES LAHTI ENEGIA OY2 MUNICIPAL SOLID WASTE COMPANIES - 250.000 t/a SRF waste - 2-3 big waste truck / hour
    • main boiler old gasifier Based on these good results, Lahti Energy resolved to build a new, 160 MW gasification power plant 10
    • Waste gasification with hot gas cleaning Lahti Energia Oy Old coal boiler and gasifier New gas boiler• Total investment 157 M€ and APC Gas cooler• Start up April 2012 and cleaning• 250.000 t/a SRF waste• Fuel power 160 MW New • 60 MW electricity gasifiers Waste fuel handling • 90 MW district heat• Overall efficiency 89%
    • Biogas and compost from sludge and bio-waste biogas district heating (Lahti Energia Oy) 15 GWh/a => 51 % Composting plant source separated (Kujalan Komposti Oy) bio-wasteKariniemi and Ali-Juhakkala sludgesewage and biogas plants(Lahti Aqua Oy)NEW BIOGAS PLANT IN 2014 compost biogas to natural gas net Kekkilä Oy new soil fertilizer
    • Landfill gas utilization since 2002
    • Utilisation range of municipal solid waste 1994-2010 400 11 % was utilised 88 % utilised in 1994 in 2010 350 300 250 200 150 100 50 0 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
    • Development on municipal solid waste and sewage sludge during 18 years in Lahti
    • Case: Etanolix ™ Lahti• 2005-06 side products of Lahti Grain Cluster companies were studied• 2010 started bioetanol plant of ST1 Oy (5th unit)• Feedstock from Hartwall brewery • Excess yeast that contains alcohol • Process waters and product batches containing sugar or alcohol• Side products from bakery industry and markets• Integrated into Hartwall’s brewery and beverage plant ST1 Oy
    • ST1 Oy Etanolix™-process Distributed bio-ethanol production St1 Oy, Finnish energy company, develops and commercializesenvironmentally sustainable solutions and delivers these solutions profitably
    • Lahti Region Development LADEC LtdAt your service in Cleantech business! esa.ekholm@ladec.fi Thank you !