Municipal Solid Waste(MSW)was converted into high-grade solid fuels(biochar)and gaseous product via thermal pyrolysis under pyrolytic gas atmosphere.The experiment was carried out in a packed-bed reactor at the temper...Municipal Solid Waste(MSW)was converted into high-grade solid fuels(biochar)and gaseous product via thermal pyrolysis under pyrolytic gas atmosphere.The experiment was carried out in a packed-bed reactor at the temperature range of 600-800℃ in both atmospheres of N_(2) and pyrolytic gas.Gas,liquid,and solid products were analyzed by gas chromatograph and elemental analysis.Amount of biochar obtained from both atmospheres were not significantly different.CH_(4) and CO_(2) in pyrolytic gas promoted the release of volatile in the MSW,resulting in lower ratio of VM/FC,ca.0.13.The atomic ratios of O/C and H/C were around 0.02-0.11 and 0.005-0.035,respectively.These values were equivalent to anthracite coal type.On the other hand,the liquid fuel yield under pyrolytic gas condition was found to be higher,compared with that under N_(2) condition.In addition,the enhancement of H_(2) and CO production was accompanied by the decrease in CH_(4) and CO_(2) output.Overall,the operating condition at 800℃ or higher with reaction times longer than 4 min were recommended for production of biochar with fuel qualities approaching anthracite coal.展开更多
基金support of the National-International Cooperation Project(2016YFE0202000 and 2017YFE0107600)Zhejiang Natural Science Foundation Project(LY 17E060005).
文摘Municipal Solid Waste(MSW)was converted into high-grade solid fuels(biochar)and gaseous product via thermal pyrolysis under pyrolytic gas atmosphere.The experiment was carried out in a packed-bed reactor at the temperature range of 600-800℃ in both atmospheres of N_(2) and pyrolytic gas.Gas,liquid,and solid products were analyzed by gas chromatograph and elemental analysis.Amount of biochar obtained from both atmospheres were not significantly different.CH_(4) and CO_(2) in pyrolytic gas promoted the release of volatile in the MSW,resulting in lower ratio of VM/FC,ca.0.13.The atomic ratios of O/C and H/C were around 0.02-0.11 and 0.005-0.035,respectively.These values were equivalent to anthracite coal type.On the other hand,the liquid fuel yield under pyrolytic gas condition was found to be higher,compared with that under N_(2) condition.In addition,the enhancement of H_(2) and CO production was accompanied by the decrease in CH_(4) and CO_(2) output.Overall,the operating condition at 800℃ or higher with reaction times longer than 4 min were recommended for production of biochar with fuel qualities approaching anthracite coal.
