A Process Graph Approach to Industrial Symbiosis

  K B Aviso a,b , ASF Chiu c , K D S Yu d , , M A B Promentilla a,b LF Razon a,b , AT Ubando b,e , C L Sy c and R R Tan a,b a Chemical Engineering Department  b  Centerfor Engineering and Sustainable Development Research  c  IndustrialEngineering Department  d  School of Economics  e  Mechanical Engineering Department De La Salle University Manila, Philippines   PRES 15Kuching, Malaysia August 23 –27, 2015 Introduction  Population growth coupled with climate change are expected to aggravate issues on resource scarcity  Freshwater is a key resource for human sustainability  Industrial Ecology provides a systematic framework to achieve sustainability 2  Industrial Ecology • Popularised in 1989 by Frosch and Gallopoulos • It utilizes an analogy between the industrial system and natural ecosystems (metabolism and symbiosis) to achieve sustainability • Waste materials from one industry become inputs of another industry (Industrial symbiosis) • IE is a systems approach towards sustainability Reference: Frosch and Gallopoulos, 1989, Scientific American, 261, 94 -102 IndustrialSystemComponentResourcesProductsBy-ProductsWasteIndustrialSystemComponentResourcesProductsBy-ProductsWasteIndustrialSystemComponentResourcesProductsBy-ProductsWaste Industrial Ecology IndustrialSystemComponentIndustrialSystemComponentMaterial andEnergyExchangeIndustrialSystemComponent Industrial System Industrial Eco-system