Waste Composition Site Selection

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18.1 Waste Composition

Waste from industrialized countries Characteristics: high content of packaging made of paper, plastic, glass and metal Moisture Content: Low Density: Low Waste from developing countries Characteristics: large amounts of inerts such as sand, ash, dust and stones and high moisture levels because of the high usage of fresh fruit and vegetables. Moisture Content: High Density: High 626

18.2 Site Selection

 … is the most important decision in developing and implementing a waste management plan  A poorly chosen site will require high cost on:  waste transport  site development  site operations  environmental protection 726 Chronological development business as usual response from politics public outcry cases of pollution legislation technology siting procedure waste characteristics 826 Stages of a siting process • Introductory stage – making key decisions about • area to be served • type and composition of waste to be landfilled • target lifetime minimum 10 years – developing a work plan for site selection • Main stage – Preliminary site selection – Identification of the selection criteria – Decision of relative importance of the selection criteria – Establishing a ranking of the sites – Final selection 926 Making the key decisions • Establish current situation – review existing facilities – calculate remaining capacity find waste composition • Define future needs – estimate future waste quantities – estimate future changes of waste composition Introductory Stage Work plan for site selection Elements of the plan are dictated by legal and administrative procedures and requirements in force within the area. These elements as well as their sequence may differ from country to country. 1026 Preliminary site selection - Define search area based on natural and administrative constraints hauling distances. - Make use of maps and visit the sites. - Apply preliminary selection criteria. - Estimate costs involved economies of scale play a role. - Prepare a list of sites, along with their pros and cons - Size of the site and access - Safety proximity of airport etc. -Country planning constraints drinking water aquifer, protected nature area etc. - …… 1126 Final site selection criteria 18: Planning a landfill •Geological aspects •Hydrogeological aspects •Public healthpublic acceptance -near residential area -near places of religious, cultural or historical importance -near agricultural sites land -near drinking water wells, ponds, river in criteria of country planning as well near airport 1226

18.3 Groundwater