Difference between revisions of "A Novel Mathematical Model for Robust Green Urban Waste Collection"

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Revision as of 06:24, 15 May 2019

by: Gerhard-Wilhelm Weber and Erfan Babaee Tirkolaee

Introduction

• Uncontrolled urban expansion and the massive increase in urban populations have led to a vast amount of consumption and

different types of waste generation over the past years.

• In 2012, various cities in the world generated 1.3 billion tons of solid waste, equivalent to 1.2 kg per person per day.

• It is expected that annual waste generation rate will reach 2.2 billion tons by 2025, accordingly.

Economical aspect:

• This amount of waste generation definitely leads to an increase in the necessary funds for collection, transportation and

disposal operations, which contains 75%-80% of Urban Solid Waste Management (USWM) costs (Tirkolaee et al., 2018).

Environmental and health aspect:

• These operational processes must be done within the shortest possible 
time to prevent the spread of potential contamination and infections. 
 • On the other hand, there is now a global force on GHG reduction, which should be considered in USWM too.

Uncertainty:

• The exact amount of generated waste is always unknown in each urban area 
due to its uncertain nature. 
 • In fact, each area may have a lower and an upper bound for the amount of 
waste according to its minimum and maximum

values in a given time period.

Link to material: http://ifors.org/wp-content/uploads/2019/05/Willi-Erfan-Green-Waste-Management.pdf