Page 125 - Materials Chemistry, Second Edition

Life Cycle Assessment of Biodiesel from Palm Oil 111
Table 2 Life cycle inventory of biodiesel production from palm oil
Unit Quantity Energy coefficient Total energy
(MJ/kg) (MJ)
Nursery
Input No. 0.001336 33.6400 0.044943
Seeds
Water kg 0.698280 0.0042 0.002933
Fertilizer
Nitrogen (N) kg 9.259E-6 48.9000 0.004528
Urea kg 1.346E-5 22.5000 3.029E-4
Phosphate (P 2 O 5 ) kg 2.934E-6 17.4300 5.114E-5
Potassium (K 2 O) kg 2.094E-5 10.3800 2.174E-4
Magnesium (MgO) kg 5.011E-6 2.3200 1.163E-5
Boron (Borate) kg 1.179E-6 32.2700 3.804E-5
Pesticides and herbicides
Glyphosate kg 0.000282 18.6200 0.005251
Paraquat kg 0.000141 130.0000 0.018330
Furadan kg 0.000211 13.1580 0.002776
Human energy MJ 0.000037
Transportation of chemicals
Diesel kg 0.000604 48.1000 0.029052
Total energy input MJ 1.08E-1
Output
Oil palm seedlings No. 0.001336 36.0400 0.048149
Emissions to soil
Nitrogen (N) kg 1.474E-6 48.9000 7.208E-5
Phosphate (P 2 O 5 ) kg 5.890E-7 17.4300 1.027E-5
Glyphosate kg 0.000115 18.6200 0.002141
Paraquat kg 0.000096 130.0000 0.012480
Furadan kg 0.000104 13.1580 0.001368
Emissions to air
kg 1.474E-7 296.0000 4.363E-5
NO x
kg 0.001657 32.1200 0.053222
CO 2
kg 5.895E-8 29.5000 1.739E-6
SO 2
Total energy output MJ 0.048149
Transportation of seedlings (T1)
Diesel kg 0.004692 48.1000 0.225685
Emissions to air
CO kg 0.014683 10.1100 0.148445
NO x kg 0.000054 296.0000 0.015984
Particulate matter kg 0.000027 – –
SO 2 kg 2.165E-5 29.5000 0.000639
TOC kg 0.001457 – –
Transplanting
Input
Seedlings No. 0.001336 – –
(continued)