Life-Cycle Assessment of Recycling Postconsumer High-Density Polyethylene and Polyethylene Terephthalate

Table 12

Solid waste for recycled HDPE resin (kg of waste per ton of resin).

	Process solid wastes
	Landfill	Incineration	Waste-to-energy	Fuel-related solid wastes	Total	Total %
HDPE: cut-off, volume-based collection (50% compaction)
Collection (50% compaction)	0	0	0	2.21	2.2	1.03
Sorting/separation	99	0	0	1.83	100.83	46.87
Reclaimer processing to pellet	66	0	0	46.1	112.1	52.11
Total for HDPE pellet	165	0	0	50.14	215.14
Percent by category	75.58	0.00	0.00	24.42
PET: system expansion, volume-based collection (50% compaction)
Allocated virgin resin production	15.1	2	0	21.1	38.2	29.10
Collection (50% compaction)	0	0	0	1.13	1.1	0.50
Sorting/separation	50.1	0	0	0.98	51.1	15.30
Reclaimer processing to pellet	33.1	0	0	23.1	56.2	55.20
Total for HDPE pellet	98.3	2	0	46.31	146.61
Percent by category	67.05	1.36	0	31.59