Production of hydrogen enriched syngas from municipal solid waste gasification with waste marble powder as a catalyst |
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Affiliation: | 1. INEGI-FEUP, Faculdade de Engenharia da Universidade do Porto, Porto, Portugal;2. INEGI-FEUP, Polytechnic Institute of Portalegre, Portalegre, Portugal;3. MEAM Department, University of Pennsylvania, Philadelphia, PA 19020, USA;1. Energy and Furnace Technology Division, Royal Institute of Technology (KTH), Brinellvägen 23, SE-10044 Stockholm, Sweden;2. Ecoloop GmbH, Düsseldorfer Landstr. 395, 47259 Dulsburg, Germany;1. INEGI-CIENER, Faculty of Engineering, University of Porto, Porto, Portugal;2. INEGI-CIENER, Polytechnic Institute of Portalegre, Portalegre, Portugal;3. Engineering Department of University of Trás-os-Montes e Alto Douro, Vila Real, Portugal;4. MEAM Department, University of Pennsylvania, Philadelphia, PA, 19020, USA;1. INEGI-FEUP, Faculdade de Engenharia da Universidade do Porto, Porto, Portugal;2. MEAM Department, University of Pennsylvania, Philadelphia, PA 19020, USA;3. UTAD, University of Trás-os-Montes and Alto Douro, Portugal |
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Abstract: | Marble processing leads to the production of high amount of waste marble powder (WMP) as a byproduct, which can be a potential health risk and has hazardous impacts on the surrounding environment. However, marble is composed of calcite making it suitable for the calcium-based catalyst. Moreover, no study has been carried out to utilize this WMP in municipal solid waste (MSW) gasification process. Therefore, there is a need to address its utilization as a potential catalyst/sorbent in the gasification of municipal solid waste (MSW). A laboratory scale batch-type fixed bed reactor was used to study the effect of WMP addition on the CO2 adsorption, steam reforming capability and char gasification in the presence of steam. Produced gas composition, gas yield, carbon conversion efficiency and tar yield were examined at different WMP to MSW ratios. Effect of temperature and steam rate varying from 700 to 900 °C and 2.5–10 ml/min respectively were also considered in this study. WMP showed a good capacity towards hydrogen enriched syngas production as well as CO2 adsorption and tar reforming. The H2 concentration increased significantly with an increase in the WMP to MSW mass ratio, while CO2 decreased. A significant effect of temperature and steam rate was also observed on the produced gas composition, gas yield, and tar content. This study helps us to understand the effect of WMP addition in MSW gasification process and thus assists in the industrial application. |
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Keywords: | Municipal solid waste Steam gasification Waste marble Syngas MSW" },{" #name" :" keyword" ," $" :{" id" :" kwrd0035" }," $$" :[{" #name" :" text" ," _" :" Municipal solid waste WTE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0045" }," $$" :[{" #name" :" text" ," _" :" Waste-to-energy WMP" },{" #name" :" keyword" ," $" :{" id" :" kwrd0055" }," $$" :[{" #name" :" text" ," _" :" Waste marble powder CLG" },{" #name" :" keyword" ," $" :{" id" :" kwrd0065" }," $$" :[{" #name" :" text" ," _" :" Chemical looping gasification CCE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0075" }," $$" :[{" #name" :" text" ," _" :" Carbon conversion efficiency DGY" },{" #name" :" keyword" ," $" :{" id" :" kwrd0085" }," $$" :[{" #name" :" text" ," _" :" Dry gas yield LHV" },{" #name" :" keyword" ," $" :{" id" :" kwrd0095" }," $$" :[{" #name" :" text" ," _" :" Lower heating value HHV" },{" #name" :" keyword" ," $" :{" id" :" kwrd0105" }," $$" :[{" #name" :" text" ," _" :" Higher heating value |
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