COMPARATIVE STUDY OF WASTE TO ENERGY CONVERSION PROCESSES (ANAEROBIC DIGESTION AND LANDFILL GAS TO ENERGY) USING LIFE CYCLE ASSESSMENT TECHNIQUE
Waste-to-energy Conversion processes are considered as one of the key waste treatment technologies due to their energy and heat recovery efficiencies from the waste. A number of research studies were carried out to understand the potential environmental loads from such processes. This study aimed at analysing Waste to Energy Conversion Processes (Anaerobic Digestion and Landfill Gas to Energy) through life cycle assessment model. The processes were studied using GaBi software (Version 9.1.2.68) based on input-output materials flow. The software was used to analyse the environmental burden by the selected impact categories namely acidification, eutrophication, global warming, abiotic depletion, human toxicity and odour potentials. It was revealed that Landfill gas to energy process has higher impact on all the impact categories. Among the two processes, Anaerobic Digestion was found to be comparatively more favourable to environment than Landfill gas to energy. It is recommended that further study be carried out on the economic feasibility of the two processes.
Authors : Baba, M.T., Adamu, A.A. and Yola, I.A.
Category : Open Access Volume (Issue) : 10(1) Date Uploaded : 21st March 2024