Paper and cardboard account for 25% by weight of the municipal waste generated in Catalonia according to PROGREMIC 2001-2006 data. Paper is made mostly using cellulose from plants and/or used paper. Cardboard is made from hardened paper pulp, the composition of which may vary according to the purpose for which it is made (boxes for packing or transport).
The aim of the selective collection of paper and cardboard is to make recycling possible, thus saving energy and raw materials as opposed to paper made from virgin pulp. |