Experimental study on composition evolution of biomass pyrolysis vapors with condensing temperature in a vertical tubular condenser.

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ID: 105067
2020
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Abstract
The experiments on bio-oil recovery in a vertical tubular condenser with two flumes were conducted for speculating the componential distribution of walnut shell pyrolysis vapors during condensation. Bio-oil elements and functional groups from different locations of condenser were compared with each other. Aromatic H and H in phenolic OH were concentrated in the top and middle bio-oil and their percentage were improved with increasing water bath temperature. Ten representative compounds in bio-oil were chosen for quantitative analysis. As water bath temperature increased from 273 K to 353 K, the recovered water decreased by 85% whereas the guaiacol and its derivatives (guaiacols) merely decreased by 40%. Vapor distributions of water, acetic acid, furfural and guaiacols were simulated by the back analysis of bio-oil components. According to the simulated results, tubular condenser can be properly lengthened for promoting the recovery of specific components at high water bath temperatures.
Reference Key
wang2020experimentalbioresource Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Wang, Chu;Sun, Mengchao;Deng, Jingjing;Zhu, Xifeng;
Journal Bioresource technology
Year 2020
DOI
S0960-8524(20)30523-X
URL
Keywords
condensation biomass pyrolysis composition analysis vapor distribution

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