Landfills Leachates Quality and Quantity in Tidal Area in Banjarmasin Landfills, Indonesia

摘要

The main issue in the perspective expectation of tidal landfill is about the big potential in polluting the environment. One of the pollutants which caused by the landfills is leachates. To prevent the leachates contamination around the environment, it is required to have a landfills leachates and cultivation management. Leachates quality and quantity data is required for the leachates cultivation. The leachates quantity of tidal landfills is determined with the water balance method (Thornthwaite). Leachates discharge which formed in landfills is in the range of 64-106 lt/s on wet months (Nov-April) and 18 - 401t/s on dry months (May- Sept). The quality of tidal landfills Banjarmasin is based on the TDS, BOD, COD, Fe, NH_3N various parameters and there is a decrease of the pollutant concentration in the age of landfill zone of 1 year up to 10 years. The longer the age of the landfill zone, the smaller the leachates pollutant content.