The stage of the Life Cycle Inventory (LCI) in the Life Cycle Analysis (LCA) methodology, implies the data acquisition and the calculation procedures to quantify the inputs and outputs of a system. This is the most time ...

The operations consisting in filling and emptying pipe systems involve the movement of big quantities of water and air. This kind of operations, as the possible fluid pressure alterations during the normal operation of the ...

In this communication, the results obtained in the study of the refuse from a recycling and composting plant are submitted. The main objective of this research has been to look for an alternative to dispose refuses instead ...

The selective collection of municipal solid wastes (MSW) started with the collection of paper/cardboard and glass in those municipalities whose management was economically profitable. However, the generalised selective ...

The actual legislation in terms of waste water treatment plants digested sludge recommends its application as fertilizer. But, the presence of heavy metals may limit this application. This limitation is even more important ...

The current recommendations for designing a paper/cardboard selective collection service only consider the technical and economical aspects as making decision parameters. However, the environmental criteria should be ...