Urban Mining: Quality and quantity of recyclable and recoverable material mechanically and physically extractable from residual waste

Grain-size assessment of fine and coarse aggregates through bipolar area morphology

“…From a quantitative standpoint, the results of the correlation and regression analysis confirm this trend very clearly: both the coefficient of determination R 2 and the accuracyĀ produced by area morphology are consistently higher than those obtained through fixed-shape morphology (see Tables 4, 5; Figs. 8,9). Most probably the superiority of area morphology versus fixed-shape is mainly due to the following reasons.…”

“…For each sample of the test set we first computed the granulometric responseφ (in pixels), then obtained the predicted sizeφ (in mm) through Eq. (8). Finally, we checked if the predicted size fell between the true size limits of the class the samples belongs to.…”

“…In recent years much attention has arisen around the concept of 'urban mining', which concerns all the activities related to the recovery of energy and products generated by urban catabolism [8].…”

Influence of bacterial adhesion on copper extraction from printed circuit boards

“…In Table 1, a chemical characterization of the metals found in PCB at different particle size is shown. This high generation of waste containing a high concentration of metals has become an attractive alternative source for metal extraction [4].…”

Improvement of the management of residual waste in areas without thermal treatment facilities: A life cycle analysis of an Italian management district

“…reduction of landfill needs) together with reducing the impacts generated by MBT. These objectives can be pursued by processing the RMSW after mechanical sorting in mechanical physical separation facilities (MPS) (Di Maria et al, 2013b) and by managing the mechanically sorted organic fraction (MSOF) directly in a bioreactor landfill. Previous studies demonstrate that there is a lack of information about the effects that these alternative solutions can have on the environment.…”