Simultaneous Production Of Mno And Syngas From Mnco3-Waste Polymer Composite PelletsJournal: International Journal of Scientific & Technology Research (Vol.3, No. 2)
Publication Date: 2014-02-15
Authors : James Ransford Dankwah;
Page : 331-335
Keywords : Index Terms Calcination MnCO3; HDPE; LLDPE; CO2 emissions; Syngas;
Abstract This work investigates the simultaneous production of MnO and syngas CO H2 from mixtures of MnCO3 with various waste plastics in a laboratory scale horizontal tube furnace. Cylindrical compacts of reagent grade MnCO3 were heated rapidly with and without high density polyethylene HDPE at CO ratio 1.0 1.5 and 2.0 and linear low density polyethylene LLDPE at CO ratio 1.0 for 600 s at 1150 C under high purity argon gas and the off gas was continuously analysed for CH4 CO and CO2 using an online infrared gas analyser IR. Peaks of H2 gas were detected using a gas chromatographic analyser GC. The results indicate that blending the carbonate with the polymers before heating has a significant attenuating effect on CO2 emissions. It is further reported that the observed attenuation of CO2 emissions is accompanied by a simultaneous production of syngas that can be recovered as a beneficial by-product.
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