Managing Municipal Solid Waste: Energetic and Environmetal Comparison among different options

Maurizio Cellura, Giorgio Beccali, Marina Mistretta, Giorgio Beccali, Maurizio Cellura

Risultato della ricerca: Article

37 Citazioni (Scopus)

Abstract

Goal. This research aims to assess the environmental effects ofintegrated strategies in a municipal waste management system. Inparticular, analysis is focused on a waste stream in Palermo, wherelandfill involves the prompt disposal of the most waste after collection.The current local management system is compared withtwo integrated waste management alternatives. Both the optionscomply with Italian regulations, but each one predicts adoptingthe available technologies in different ways.Methods and objectives. Energetic and environmental balancesare carried out in each management system referring to localwaste composition in order to quantify energy consumption,the recovery of material and energy, and the environmental releases.Impact assessment is carried out to define the environmentalprofile of each option. Impact categories are defined andinventory data, by means of a suitable aggregation, can be usedto evaluate the potential contribution that system inputs andoutputs could bring to the relative category.Results. In opposition to the current management, which involvesenergy balance at a loss, the mass and energy balancesoutcomes in both of the two hypothetical management systemsshow the capability to obtain energy and material recovery to asubstantial extent. Sorted collection plays a remarkable role inthe improvement of environmental performance of managementsystems. In particular, the thermal treatment of waste associatedwith energy recovery, and the concomitant material recycling,increase the saving of energy.Conclusions. Environmental pressure factors of the managementsystem are assessed depending on the relevant consumption ofraw materials and energy, and on the emission of pollutants.The resulting figures reflect the two different integrated managementoptions as being sustainable solutions for achieving animprovement in environmental performance, which is based onincreasing the value of waste, as an alternative to resources, andthe reduction of environmental releases. Life Cycle Assessmentof municipal waste management systems can be usefully appliedto define synthetic indices of environmental impact. Theseindices could single out possible alternatives in multi-criteriaanalysis, together with economic and technical parameters.
Lingua originaleEnglish
pagine (da-a)243-249
Numero di pagine7
RivistaTHE INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT
Volume6
Stato di pubblicazionePublished - 2001

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municipal solid waste
energetics
waste management
energy
environmental effect
environmental impact
recycling
life cycle
comparison
material
pollutant
resource
economics
municipal waste
environmental performance

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)

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Managing Municipal Solid Waste: Energetic and Environmetal Comparison among different options. / Cellura, Maurizio; Beccali, Giorgio; Mistretta, Marina; Beccali, Giorgio; Cellura, Maurizio.

In: THE INTERNATIONAL JOURNAL OF LIFE CYCLE ASSESSMENT, Vol. 6, 2001, pag. 243-249.

Risultato della ricerca: Article

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abstract = "Goal. This research aims to assess the environmental effects ofintegrated strategies in a municipal waste management system. Inparticular, analysis is focused on a waste stream in Palermo, wherelandfill involves the prompt disposal of the most waste after collection.The current local management system is compared withtwo integrated waste management alternatives. Both the optionscomply with Italian regulations, but each one predicts adoptingthe available technologies in different ways.Methods and objectives. Energetic and environmental balancesare carried out in each management system referring to localwaste composition in order to quantify energy consumption,the recovery of material and energy, and the environmental releases.Impact assessment is carried out to define the environmentalprofile of each option. Impact categories are defined andinventory data, by means of a suitable aggregation, can be usedto evaluate the potential contribution that system inputs andoutputs could bring to the relative category.Results. In opposition to the current management, which involvesenergy balance at a loss, the mass and energy balancesoutcomes in both of the two hypothetical management systemsshow the capability to obtain energy and material recovery to asubstantial extent. Sorted collection plays a remarkable role inthe improvement of environmental performance of managementsystems. In particular, the thermal treatment of waste associatedwith energy recovery, and the concomitant material recycling,increase the saving of energy.Conclusions. Environmental pressure factors of the managementsystem are assessed depending on the relevant consumption ofraw materials and energy, and on the emission of pollutants.The resulting figures reflect the two different integrated managementoptions as being sustainable solutions for achieving animprovement in environmental performance, which is based onincreasing the value of waste, as an alternative to resources, andthe reduction of environmental releases. Life Cycle Assessmentof municipal waste management systems can be usefully appliedto define synthetic indices of environmental impact. Theseindices could single out possible alternatives in multi-criteriaanalysis, together with economic and technical parameters.",
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