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Unformatted text preview: In-Sink-Erator Food Waste Management Position PaperFacts to Consider for the Various Methods of Managing Food WasteExecutive Summary A hierarchy of food waste management policy objectives should include reduction, reuse, and recycling, with disposal to a landfill being the least preferred strategy. Food waste is a reality, even in recognition of the best efforts to reduce or reuse. The next best environmental strategy is to recycle food waste and utilize the energy and nutrient value as a resource, while minimizing detrimental public health effects, fossil fuel consumption, and emissions in the process of recycling. EU waste management future strategy is shaped by a Landfill Directive and a Thematic Strategy for Soil Protection. These legal acts define three main elements: improve the soil quality, increase the recovery of organic waste in contrast to landfilling or incineration, and to improve sewage sludge quality.1 There are several food waste management techniques that can support this ideology, and one is the recovery of food waste generated from food waste disposers onto fields following stabilization at a municipal wastewater treatment plant (WWTP). In Europe, food waste disposers have been recognized only recently (in large contrast to the United States), which is the main reason that other food waste management options, such as composting, are further developed. However, many scholars, waste management firms, local authorities and residents recognize problems associated with collection of organic waste in inner-city districts. The collection rates are normally low, the collection process is labor and energy intensive and expensive, and the storage of organic waste causes aversions, due to foul odor and health concerns for both the households and waste handling staff. In the Netherlands, for instance, composting and collection schemes have been widely practiced and favored, however, this waste management policy is now in serious doubt as to whether this system is environmentally and economically sustainable, particularly in the inner-city.1 In 2002, the Italian Senate lifted a ban on food waste disposers set out in the Ronchi decree 22/97.1The reason for overturning the ban was insufficient grounds for the ban in Articles 5, 6, and 32 of the law, and the recognized need for management alternatives to the process of the separate collection of organic waste. In 2005, the Legislative Assembly for the Australian Capital Territory (ACT) amended Water and Sewerage Regulation Subordinate Law SL2005 to remove provisions prohibiting the installation of in-sink waste disposal units in domestic plumbing work.2The action was prompted by recent evidence suggesting that even high levels of disposer market penetration will increase urban water use less than 1%, and the increase in organic matter entering the sewerage system will not present problems to the ACT WWTP....
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This note was uploaded on 09/26/2011 for the course ENGINEER 1003 taught by Professor Peterwilaon during the Spring '10 term at Harvard.
- Spring '10