A CASE STUDY OF DECENTRALIZED HOUSEHOLD WASTE MANAGEMENT WITH COMPLETE MATERIAL BALANCE TYPICAL OF EMERGING ECONOMY CONTEXTS
Material Flow Analysis (MFA) is a powerful tool for understanding and improving industrial, agricultural, national, regional, municipal and even domestic resources movements. It has its roots in simple mass balancing and pursues strategic targets such as to determine what happens to all the raw materials entering a process, a facility or a geographic area, to calculate yields and losses, to provide information on the destinations of products and byproducts and to close life cycles.
As biodegradable material represents approximately 70% of household waste in Brazil, any strategy to divert appreciable waste quantities from landfills of necessity has to include valorization and recycling of this material. A societal change of attitude is required to perceive this challenge. Experiments in an urban apartment building are described that produced this change of attitude with a success factor of 80%. Divided waste collection was implemented that separated at the source biodegradable from inert material. Correct collection, handling and display procedures were established. Composting of biodegradable material was carried out under the rooftop of the building as an alternative to using it as animal feed. Half of the inert material entered the reverse logistics chain and was also diverted from the landfill. Waste related material flow through the building is completely quantified, food intake and waste production are related, diversion of both biodegradable and inert waste components from the landfill is measured and the composting process is described.
| Copyright: | © IWWG International Waste Working Group | |
| Quelle: | Specialized Session C (Oktober 2007) | |
| Seiten: | 10 | |
| Autor: | Prof. Dr. Manfred Fehr  | |
| Die Bibliothek und die Kaufoptionen sind umgezogen zu https://library.wasteculture.com Bereits erworbene Artikel können weiterhin über myASK abgerufen werden. | ||
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