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Catalytic pyrolysis of mixtures modeling municipal waste

Barta-Rajnai, Eszter and Bozi, János and Sebestyén, Zoltán and Blazsó, Marianne and Jakab, Emma and Miskolczi, Norbert and Czégény, Zsuzsanna (2015) Catalytic pyrolysis of mixtures modeling municipal waste. In: 8th International Symposium on Feedstock Recycling of Polymeric Materials, 2015. szeptember 7-10., Leoben (Austria).

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Abstract

In this work the temperatures of the thermal decomposition of model waste mixtures were determined with and without catalysts under slow heating conditions applying thermogravimetry-mass spectrometry (TG/MS) technique. The catalytic effect of HZSM-5 and Ni-Mo catalysts were tested on the thermal stability of model waste mixtures. Significantly decreased thermal decomposition temperature (by about 200°C) was observed in case of plastic mixture in the presence of 10 % HZSM-5 catalyst. The catalytic effect of HZSM-5 catalyst was hindered when the domestic waste model mixtures contained biomass components as well. The effect of cellulose and lignin on the catalytic activity of HZSM-5 catalyst was tested and significant poisoning effect was observed in both cases. The presence of 50% cellulose or 10% lignin in the waste mixture completely deactivates the HZSM-5 catalyst.

Item Type: Conference or Workshop Item (Poster)
Subjects: Q Science / természettudomány > QD Chemistry / kémia > QD01 Analytical chemistry / analitikai kémia
Depositing User: Zoltán Sebestyén
Date Deposited: 14 Sep 2015 13:28
Last Modified: 14 Sep 2015 13:28
URI: http://real.mtak.hu/id/eprint/26586

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