Production Potential of RDF -5 Fuel from Municipal Solid Waste Mixed with Natural Rubber in Satun Global Geopark
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Abstract
Satun Province is a small province with world-famous tourist attractions such as Koh Lipe. The number of tourists is about 1.04 million people/year. On April 17, 2018, it was certified as Thailand's first global geopark. Almost all of the waste in the World Geopark area is disposed of at the Integrated Waste Management Center, Kamphaeng Subdistrict, La-Ngu District, Satun Province. Currently, there are more than 100,000 tons of residual waste from the community in the center. This research investigated the optimal ratio of community waste to rubber for the production of RDF-5 fuel. The ratio of community waste to natural rubber was studied at the ratio of 100:0, 95:5, 90:10, 75:25, and 50:50, respectively. The results showed that the calorific value was increased in the ratio (%) of the added natural rubber (concentrated latex) and the heat value of the fuel is directly in ratio to the amount of natural rubber added. The ratio with the highest calorific value was 50:50, followed by 75:25 and 95:5. The calorific value was 41.63 MJ/kg, 41.54 MJ/kg, and 40.75 MJ/kg, respectively. Compared with 100:0 have a calorific value of 40.69 MJ/kg only. Adding natural rubber to RDF-5 fuels will increase the ignition time of the produced RDF-5 fuels and produce higher calorific values and cover the standards required by the industry, which had a synergism significantly.
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