A Case Study Characterization of samples excavated waste from landfill in developing countries, Case Study, Makassar Landfill, Indonesia Ramdiana Abdul Muis, Indriyani Rachman, Toru Matsumoto
The University of Kitakyushu
Abstract
Landfill conditions in developing countries still face significant challenges. In the case of Indonesia, the Makassar landfill is the main site for waste management which has exceeded the landfill capacity and currently still mixed and buried without processing (open dumping). The purpose of this research is to characterize the excavated waste in landfill and identify its potential utilization. Sampling was carried out at 3 locations using Hydraulic rotary drilling spindle, then drilling tool were carried out with a depth of 13 meters, 17 meters, and 18 meters. The results of the study showed that the average of waste landfill density is 656 wet tons/m3 and 630 dry tons/m3. The composition of waste from drilling is dominated by 26% plastic waste, 19% compost waste, 6% fabric waste. The heating value for compost is 3224 MJ/ton, plastic 29,862 MJ/ton and 18,945 MJ/ton. Landfill excavated waste has the potential to be recycled like plastic waste but requires intensive selection and cleaning. The potential of excavated waste can be used as an energy source because the waste material that can be burned and has a relatively high calorific value but requires several processes such as the process of reducing the water content, sieving, and selecting of waste material.
