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Abstract ABS-52

Comparative Study of Municipal Solid Waste Fuel and Refuse Derived Fuel in the Gasification Process Using Multi-Stage Downdraft Gasifier Sigit Sigit Mujiarto, Bambang Sudarmanta , Arif Rahman Saleh Corresponding Author: Sigit Mujiarto

Question & Answer to the Presentation

Question from Ms. Diah Rahmawati 2020.11.18 13:44:11 1. What does the RDF product look like? Is it like briquette? 2. If the RDF fuel is used, will it caused air pollution, considering that some of the materials come from plastic waste? Replies: Reply from Mr. Sigit Mujiarto 2020.11.18 14:24:24 1. The RDF that we get from TPSPempat Pengolahan Sampah Terpadu) Bumi Lestari Sidoarjo is in bulk. With a composition of 60% organic and 40% inorganic. As for why we briquettes did because of the research interest to homogenize the shape and density. 2. With Gasification Technology, the RDF that is processed will produce syngas, which contains CO, H2, and CH4 gases. Furthermore, it will be used for engine fuel, so what comes out of the engine as emissions are CO2 and H2O gases

Question from Mr. Muhammad Firdaus Jauhari 2020.11.18 13:30:10 1. What types of municipal waste are dominant to be used as gas fuel ? 2. For now, how far have you implemented the technology you developed ? Thank you Replies: Reply from Mr. Sigit Mujiarto 2020.11.18 14:35:41 1) The waste that we use is RDF which can no longer be used or recycled. The type is 60% organic and 40% inorganic. (data we get from TPSP Bumi Lestari) 2) Gasification technology has been developed since the 90^s. Currently we are optimizing the process from the results to get the syngas produced and reduce the tar and ash content.

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