Microsoft Word - Environmental benefits of recycling 2010 update.doc

Food & garden  ‐ n°2

Title
Environmental assessment of garden waste management
in Århus Kommune
Year 2009
Author Boldrin

Impact assessment

EDIP97

Windrow Composting

(Composting scenario

from case GW1)

Incineration with

energy recovery

Home Composting

(Composting scenario

from case GW2)

Depletion of abiotic resources (kg Sb eq)

Climate change (kg CO 2  eq/ton) ‐31,19415661 ‐443,8705646 ‐87,75001206

Cumulative enerhy demand (MJ)

Water consumption (m^3 )

Eutrophication (kg NO3 eq/ton) 0,875688252 0,88458764 0,742777975

Acidification (kg SO2 eq/ton) 0,532968787 0,430590364 0,476618144

Photochemical oxydation (kg ethylene eq/ton) 0,043858483 ‐0,001985871 0,012710197

Ozone depletion (kg CFC‐ 11  eq)

Toxicity (kg  1 ‐ 4 ‐dichlorobenzene)

Ecotoxicity in Water (m3/ton) 2899,441711 ‐270,3642013 ‐25,11618029

Human Toxicity via Soil (m3/ton) 43,63298253 ‐0,232179958 54,74043569

Human Toxicity via Air (m3/ton) 108577893,6 5467513,615 ‐404747,9168

Human Toxicity via Water (m3/ton) 6314,76782 ‐294,0949988 7921,065633

Ecotoxicity in Soil (m3/ton) 14663,51605 ‐1,911687901 18402,39258

Indicator not included

2[GW]

Methodology

disposal stage only

Handling and treatment of 16,220 tonnes of garden waste produced in

Århus municipality and treated at Århus Affaldscenter