| 1 |
Landfilling |
(i) Cheap |
(i) Production of toxic
chemicals |
| (ii) Deal with a large volume
of waste |
(ii) Occupy
large volume |
| (iii) Reduced transportation
distance |
(iii) Leeching
of heavy
metal to ground, soil pollution |
| (iv) Applicable to nonrecyclable
waste |
(iv) Deforestation |
| 2 |
Incineration |
(i) Reduction of waste volume |
(i) Costly |
| (ii) Devastation of combustible
toxins |
(ii) High
energy input |
| (iii) Energy recovery |
(iii) Cause air pollution |
| (iv) Minimum area of land
occupied |
(iv) Not
applicable to all
types of materials |
| 3 |
Pyrolysis |
(i) Ideal for waste plastic
management |
(i) Technology
in the evolution
process |
| (ii) Reduced greenhouse
gas emission |
(ii)
Relatively cheap |
| (iii) Procession of the
large variety of feedstock |
(iii) Relatively expensive
compared to landfilling |
| (iv) High energy recovery |
(iv) Thermoplastic effectively
treated |
