Fig. 4
Material flow analysis of the recycling system; (a), considered for S1 and S4; (b), considered for S2 and S3 (I, import flow; E, export flow; Flows (t/a))
Fig. 4 | Sustainable Environment Research
Material flow analysis of the recycling system; (a), considered for S1 and S4; (b), considered for S2 and S3 (I, import flow; E, export flow; Flows (t/a))