Management and Life Cycle Assessment of Market Food Waste in Khulna Metropolitan City, Bangladesh: A Case Study

摘要: Life Cycle Assessment is an essential tool for evaluating the environmental burden caused throughout the life cycle of a product or waste. Life cycle of waste starts when it is considered as unwanted or no longer in use. The aim of this study is to evaluate and asses the environmental impact caused by the market food wastes throughout its life cycle. The study area was taken in Khulna Metropolitan City in Bangladesh. Functional Unit for LCA was taken as the total amount of market food wastes generated each day in the study area. The impact categories that are included in this study are Green House effect, Global Warming, Acidification, Human Toxicidity, Eutrophication. Four possible scenarios are explained with their impact assessment. This was performed by calculating the amount of green house and hazardous gasses emission in each scenario. Finally a management options were recommended based on the impact assessment. By assessing the possible impacts it was found that recycling (which includes rendering, bone recycling poultry wastes and litter recycling) and composting are the best management options for market food wastes.