Conceptual Model of an Integrated Agricultural Residues Management

Abstract

The demand of energy for transportation. industrial activity. and household usage is mostly supplied by fossil foel. This type of fuel is non-renewable so its availability tends to decrease besides its negative impact on environment. Realizing this situation the Government of Indonesia has put emphasis on its national development strategy to search for alternative energy sources. especially those coming from sustainable resources. This paper presents a conceptual approach of integrated wastes management, which enables the utilization of agricultural residues as a source of bioethanol production more environmentally favorable within the economical and technological capabilities of developing countries. The development and the need for further research to realize the cpncept will be described. covering: (/) Development of bioreactor systems for bioethanoljermentation (design. start up. optimization and control). (2) Development of anaerobic wastewater treatment systems from bioethanol production. (3) Development of anaerobic digestion syslem of solid wastes from bioethanol production. (4) Nutrienls recycling of anaerobically Ireated solid wastes from bioelhanol production through composting, (5) Development of algal cultivation syslem grown on effluenl of bioelhonol production and ils downstream processing. (6) Development of biodlesel production technology from algal biomass. (7) Syslemalic map of abundance and characterizalion of unused biomass for assessment and management of agriculturalwasles. and (8) Design. piloting and assessment of . an Inlegrated system ofbloenergy produclion and agricultural wastes management.