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Published byAbel Chambers Modified over 9 years ago
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Waste macro-management Henrik Lid Scharff
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What is waste?
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Household waste Sewage Garbage Organics Paper Special Rest
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Organic waste, traditionally Distributed sources Seen as resource Low impact on nature Natural relationship Heat, fertiliser, construction material.. Used (very) locally
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Organic waste, industrial age Concentrated sources Waste becoming a problem No local use Distancing relationship Sewage systems and sewage treatment plants Landfill and incinerators
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Issues arising Spread of pathogens Concentrated outlets, high concentration of nutrients, chemicals, heavy metals etc to: Water; rivers, lakes, fjords, seas Soil, landfill sites, industrial areas etc Air; local odours, methane to atmosphere Removal of nutrients from soil
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Organic waste, recent National and regional regulations EU prohibited organic landfill in 2004 Reduced disposal to nature Source (household) separation Advanced sewage treatment plants
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Typical modern waste structure Sewage Garbage Organics Paper Special Rest Sewage treat- ment plants Water Sludge Biogas plant Sorting plant Energy Fertilizer Sea Burning Landfill Compost..or
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Current issues How to recycle nutrients? How to minimise spreading of pathogens? How to finally dispose? Transportation of Source separation issues Regulation; waste or products? Nutrients in final discharge water
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End uses from Biogas plant Energy (Methane) Local direct uses Cleaned and Compressed or liquified to vehicle fuel Electricity production (gas engine or turbine)
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Oslo area VEAS, sewage treatment Bekkelaget, sewage treatment Haraldrud, Sorting and incineration EGE Biogas plant
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Oslo Biogas plant Source; Cambi AS Contract value 43 m€ Capacity: 50 000 t/a food waste Biogas to vehicle fuel gas (supports 135 buses) Opened january 2013 Household waste, supermarket waste, ABP (slaughter, fishfarm..)
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Oslo Biogas plant
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Oslo Biogas Official view
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Biogas plant, concept Source; Cambi AS
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Biogas plant, challenges Source; Cambi AS
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Simplified mass balance Source; Cambi AS
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Biofertilizer Source; Cambi AS
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Cambi promotion video
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