预处理糠醛渣液化降解性能研究

doi:10.3969/j.issn.1673-5854.2014.06.003

Abstract

Abstract: The effects of pretreatment technology on the liquefaction of furfural residue in ethylene glycol were investigated.The experimental data showed that the liquefaction rate of furfural residues,which was pretreated via using the intermixture of 5% NaOH and 2.5% H₂O₂ at the ratio of 1:1(mL:mL), could reach 82.0%,under the conditions of 150 ℃ for 90 min with the solid-liquid ratio of 1:10(g:g) and catalyst dosage of 3%, respectively.Meanwhile, the furfural residues before and after the pretreatment as well as the liquefaction products were analyzed and characterized by scanning electron microscopy(SEM), infrared spectra (FT-IR), X-ray diffraction spectrum (XRD),¹³C NMR,and ¹H NMR,respectively.The results showed that the composition and surface structure of furfural residues were changed in pretreatment process.It was beneficial to improve the liquefaction process of furfural residue.And the liquefaction products included alcohols,esters,ethers and so on.

Key words: furfural residu, ethylene glycol, pretreatment, catalytic liquefaction

CLC Number:

TQ351.3
TQ91

WU Shu-ping, JI Yu-cheng, MA Bao-jun, XIE Hao, LIU Wan-yi. Liquefaction of Pretreated Furfural Residues[J]. bce, 2014, 48(6): 11-17.

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Liquefaction of Pretreated Furfural Residues

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