The Perspective of Solid Waste Management and Landfill Technology in Indonesia
The urban areas in western Java alone generate 55 000 tons of solid waste per day. Waste disposal is among the worst in the Asia region. Only 50 – 60 % is collected, and most landfill sites are open dumps. Service is worse in poor areas, where most waste is dumped in canals or vacant lots, or burned. Poor solid waste management degrades local water ways and is the largest source of particulate air pollution in urban areas. It is a major contributor to respiratory ailments, diseases such as Dengue Fever, and localized flooding.
Anaerobic waste decomposition in landfills and water courses is also a significant source of greenhouse gas emission. The organic matter is also wasted, and soil fertility further reduced, when not returned to the soil as compost. The actual landfill technology of the collected solid waste often deviates significantly from the official plan of each city. Open dumping at the roadside, along and in water channels, rivers and along railways is quite normal. These areas are particularly sensitive to water pollution. There is no ground protection or monitoring. The leachate from the waste pollutes groundwater and/or rivers, and storm water drains are blocked by waste. The West Java and Jakarta Environmental Management Program will improve Waste Management and other environmental aspects of this region's urban areas. An innovative, environmentally sound and potentially cost effective alternative method of organic waste management has been proposed. It would separate organic waste and convert it to compost by a process of aerobic decomposition. The compost would be sold to farmers as soil enrichment product. Diverting organic waste from landfills will avoid the production of methane gas, and so cost effectively reduces Indonesia's greenhouse gas emissions.
| Copyright: | © LGA Bautechnik GmbH | |
| Source: | Deponieseminar 2004 (April 2004) | |
| Pages: | 9 | |
| Price inc. VAT: | € 0,00 | |
| Autor: | Nastiti Siswi Indrasti  | |
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