Fast Pyrolysis of Cellulose and the Effect of a Catalyst on Product Distribution

Tanglei Sun, Lu Zhang, Yantao Yang, Yanling Li, Suxia Ren, Lili Dong and Tingzhou Lei ()
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Tanglei Sun: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
Lu Zhang: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
Yantao Yang: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
Yanling Li: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
Suxia Ren: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
Lili Dong: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
Tingzhou Lei: Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China

IJERPH, 2022, vol. 19, issue 24, 1-14

Abstract: Fast pyrolysis of microcrystalline cellulose (MC) was carried out by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The effects of temperature, time, and a catalyst on the distribution of the pyrolysis products were analyzed. The reaction temperature and time can significantly affect the types and yields of compounds produced by cellulose pyrolysis. A pyrolysis temperature of 500–600 °C and pyrolysis time of 20 s optimized the yield of volatile liquid in the pyrolysis products of cellulose. In all catalytic experiments, the relative contents of alcohols (1.97%), acids (2.32%), and esters (4.52%) were highest when K 2 SO 4 was used as a catalyst. HZSM-5 promoted the production of carbohydrates (92.35%) and hydrocarbons (2.20%), while it inhibited the production of aldehydes (0.30%) and ketones (1.80%). MCM-41 had an obvious catalytic effect on cellulose, increasing the contents of aldehydes (41.58%), ketones (24.51%), phenols (1.82%), furans (8.90%), and N-compounds (12.40%) and decreasing those of carbohydrates (5.38%) and alcohols (0%).

Keywords: cellulose; fast pyrolysis; temperature; time; catalyst; product distribution (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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