Silicon, semiconductor grade
The bottomline is that one pound of Silicon, semiconductor grade uses the following resources, and produces the following pollutions:
| Resource or Pollutant | Amount | Unit | CEII |
|---|---|---|---|
| Forest | 1.9343E-5 | acre | 330.765 |
| Land | -1.7997395004083E-5 | acre | -8.318 |
| Oil deposits | 0.00058 | barrel | 0.827 |
| Liquid waste | 2.1328016333632 | gallon (US) | 75.38 |
| Water, fresh | 1.0625545939865 | gallon (US) | 13.765 |
| Dissipation | 130.20883415929 | kWh | 0.034 |
| Natural gas deposits | 4.437035031 | pound | 25.291 |
| Methane pollution | 0.057382013214603 | pound | 146.02 |
| Recycled waste | -0.30034500637871 | pound | -0 |
| Coal deposits | 26.005076703887 | pound | 23.405 |
| Iron ore deposits | 0.00081275541138176 | pound | 7.897e-4 |
| Lead pollution | 8.385436652634E-7 | pound | 5.335 |
| Uranium reserves | 0.0005115186615 | pound | 72.14 |
| Chemical waste | 1.45E-6 | pound | 0.005 |
| Volatile organic compounds (VOCs) | 0.034271662848731 | pound | 12112.634 |
| Nitrogen oxides pollution | 0.1795206432264 | pound | 3172.399 |
| Sulfur dioxide pollution | 0.33557367392999 | pound | 8207.245 |
| Landfilled waste | 209.80879558831 | pound | 7415.272 |
| Carbon dioxide pollution | 74.311134913061 | pound | 2626.378 |
| Ash | 1.8661395024369 | pound | 659.55 |
| Radioactive waste | 8.8396081694381E-5 | pound | 562.353 |
| Mercury pollution | 1.1786144225918E-6 | pound | 37.49 |
| Particulate matter (PM) | 0.010788761286014 | pound | 686.353 |
| Carbon monoxide pollution | 0.077717965540424 | pound | 450.473 |
| Arsenic pollution | 1.5518423230791E-6 | pound | 49.362 |
Total CEII: 36664.158
Definitions
PI - Pollution Index. Indication of the amount and severity of the pollution generated during the life cycle of an item. The higher number, the more pollution.
DI - Depletion Index. Indication of the amount of resources used during production and disposal of an item. The higher number, the more resources are used (and the less sustainable the product is).
EI - Entropy Index. - Indication of the amount of energy wasted during the life cycle of an item. The higher number, the more energy is wasted.
CEII - Composite Environmental Impact Index. Indication of the item's impact on the environment, taking into account the resources used and the pollution generated during production, use, and disposal of the item. The higher number, the higher impact.
This work by Andrzej Cichocki is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.