Within the municipal solid waste there are some kind of waste that due to their level of hazard, volume and generation frequency are classified as special waste. Some examples of this type of waste are rubble, furniture ...

Although the law has forbidden uncontrolled dumping of waste in Spain since 1998 (Law 10/1998), nowadays they still appear on the peripheries of cities. The main problems of these uncontrolled micro-landfills, in addition ...