A Sensitivity Analysis Approach to Identify Key Environmental Performance Factors

Table 2

The economic and environmental information of a PCB manufacture system.

Commodity	Production of prepreg	Production of copper	Production of electricity	Core lamination	Etch	Hole desmear	Production of PCB	Production of waste prepreg	Production of waste copper
g prepreg	1000	0	0	−320.61	0	0	0	0	0
g copper	0	1000	0	−410.89	0	0	0	0	0
MJ electricity	0	0	1	−68.7	−22.9	−45.8	−91.6	0	0
m^2 bared PCB	0	0	0	1	−1	0	0	0	0
m^2 etched board	0	0	0	0	1	−1	0	0	0
m^2 holed board	0	0	0	0	0	1	−1	0	0
m^2 PCB	0	0	0	0	0	0	1	0	0
g waste prepreg	0	0	0	13.33	0	36.35	0	1000	0
g waste copper	0	0	0	18.63	6.77	10.97	35.52	0	1000
g carbon dioxide	4160	376	134	132.27	52.9	52.9	26.45	2100	2300
g sulfur	144	141	59.8	5.856	2.3424	2.3424	1.1712	120	78
g nitrogen	215	115	22.3	1.654	0.6256	0.6256	0.3128	105	80