The Advantages of compostable bags for Food waste collection

After an introduction about biowaste legislation in Europe, this paper explains the benefits of using compostable bags,in this case Mater-Bi® bags, for residential food waste collection schemes. Mater-Bi® identifies a family of compostableresins produced by Novamont that contain native starch and other raw materials of agricultural origin.

All Mater-Bi®grades are certified according to all main international compostability standards and some Mater-Bi® grades arespecifically designed for producing food waste collection bags.Two prominent features of this type of bags made for food waste collection are then described: compostability invarious environments and water vapour permeability (breathability). In the last part, the advantages of breathability arepresented through the results of a comparative study between vented vs. non vented kitchen containers tested incombination with Mater-Bi® breathable bags containing food waste. Weight loss, moisture and odour reduction havebeen investigated on a quali- quantitative basis. The conclusions show that vented collection systems can ensure highercomfort in the kitchen increasing the acceptance of food waste collections. Furthermore, vented kitchen containers incombination with Mater-Bi® breathable bags make it possible to collect less water and therefore a more energy richfeedstock for subsequent processing with a concurrent optimisation in the collection phase and reduction of Overall Impacts.



Copyright: © European Compost Network ECN e.V.
Quelle: Orbit 2012 (Juni 2012)
Seiten: 18
Preis inkl. MwSt.: € 18,00
Autor: Christian Garaffa

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