A data processing combination of manual and automatic steps for mass peaks identification of a coking gas oil was illustrated.Some representative compounds were identified by manual process.A program was performed to ...A data processing combination of manual and automatic steps for mass peaks identification of a coking gas oil was illustrated.Some representative compounds were identified by manual process.A program was performed to search the various types with the same hetero-atoms(familes-class,NnSsOo)but different rings plus double bonds(R+DB)value(Z in CcH2c+ZNnOoSs),then,alkylation series of each types were revealed by multiplying each mass by 14.00000 in Kendrick mass scale.Finally,isotope groups of each identified peaks were picked up respectively.The method is appropriate to the data analysis of FT-ICR MS spectra with a poor mass accuracy.展开更多
To explore an effective method for reducing tar yield in biomass gasification,effects of petroleum coke on tar cracking during the gasification process of lees were examined.The influences of petroleum coke feeding mo...To explore an effective method for reducing tar yield in biomass gasification,effects of petroleum coke on tar cracking during the gasification process of lees were examined.The influences of petroleum coke feeding mode and particle size,water content in lees were tested in an electrically heated fixed bed tubular reactor at 700℃ under atmospheric pressure.Results show that the petroleum coke obviously affects the tar cracking in biomass gasification.Entering petroleum coke before lees into the reactor and using small petroleum coke particles are favorable for the tar cracking.The water content in lees also promotes the tar cracking and the yields of H2 and CO,however has little impact on the productions of CH4.The results are helpful to the research and development of the new co-gasification process of high water content biomass and petroleum coke.展开更多
文摘A data processing combination of manual and automatic steps for mass peaks identification of a coking gas oil was illustrated.Some representative compounds were identified by manual process.A program was performed to search the various types with the same hetero-atoms(familes-class,NnSsOo)but different rings plus double bonds(R+DB)value(Z in CcH2c+ZNnOoSs),then,alkylation series of each types were revealed by multiplying each mass by 14.00000 in Kendrick mass scale.Finally,isotope groups of each identified peaks were picked up respectively.The method is appropriate to the data analysis of FT-ICR MS spectra with a poor mass accuracy.
文摘To explore an effective method for reducing tar yield in biomass gasification,effects of petroleum coke on tar cracking during the gasification process of lees were examined.The influences of petroleum coke feeding mode and particle size,water content in lees were tested in an electrically heated fixed bed tubular reactor at 700℃ under atmospheric pressure.Results show that the petroleum coke obviously affects the tar cracking in biomass gasification.Entering petroleum coke before lees into the reactor and using small petroleum coke particles are favorable for the tar cracking.The water content in lees also promotes the tar cracking and the yields of H2 and CO,however has little impact on the productions of CH4.The results are helpful to the research and development of the new co-gasification process of high water content biomass and petroleum coke.
