Phytoremediation: Identificazione dei geni coinvolti nell ... - Biologia

Table 2
Comparison of methods of contaminated crop disposal
Process Costs of transportation a
(E/t/km)
Costs of processing
(E/t)
Advantages Disadvantages
Incineration 1–2 180–220 Recovery of metals?
Significant reduction
of biomass
Direct disposal at a
hazardous waste site
1–2 135–1136 Time effectiveness High costs.
Limitation of dumping sites.
Trend towards incineration.
Slow reduction of contaminated
biomass
Ashing 1–2 Not available Recovery of metals.
Significant reduction
of biomass
None
No technology
Liquid extraction 1–2 Not available Recovery of metals No technology
a Dump truck for hazardous wastes