title: Effect of torrefaction pretreatment and catalytic pyrolysis on the pyrolysis poly-generation of pine wood.
abstract: Torrefaction of pine wood was performed in a tube furnace at three temperatures (220, 250, and 280°C) for 30min. Then catalytic pyrolysis of raw and torrefied pine wood was performed using HZSM-5 catalyst in a fixed-bed pyrolysis reactor at 550°C for 15min. Torrefaction pretreatment and catalytic pyrolysis have an very important effect on the yield, property, and energy distribution of pyrolysis products. The results showed that the yield of biochar rapidly increased, while that of bio-oil decreased with increasing torrefaction temperature. The oxy-compound content of bio-oil, such as acids and aldehydes, sharply decreased. However, the aromatic hydrocarbon content not only increased but also further promoted by HZSM-5 catalyst. With highest mass yields and energy yields, biochar was also the very important product of pyrolysis. The oxygen content in biomass was mainly removed in the form of CO2 and H2O, leading to increasing CO2 content in non-condensable gas.
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Wood Science and Technology of Zhejiang Province, Zhejiang Agriculture and Forestry University, Hangzhou Lin'an 311300, China.
authors.forename: Dengyu
authors.initials: D
authors.lastname: Chen
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China. Electronic address: liyjnjfu@163.com.
authors.forename: Yanjun
authors.initials: Y
authors.lastname: Li
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
authors.forename: Minsi
authors.initials: M
authors.lastname: Deng
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
authors.forename: Jiayang
authors.initials: J
authors.lastname: Wang
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
authors.forename: Miao
authors.initials: M
authors.lastname: Chen
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
authors.forename: Bei
authors.initials: B
authors.lastname: Yan
authors.affiliation: College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China.
authors.forename: Qiqiang
authors.initials: Q
authors.lastname: Yuan
mesh_terms: D018533:Biomass; D002384:Catalysis; D002606:Charcoal / Q000737:chemistry; D006358:Hot Temperature; D006841:Hydrocarbons, Aromatic / Q000737:chemistry; D028223:Pinus; D014934:Wood / Q000737:chemistry*
chemical_list: D006841:Hydrocarbons, Aromatic; C540010:biochar; D002606:Charcoal
keywords: Catalytic pyrolysis; HZSM-5; Pine wood; Pyrolysis poly-generation; Torrefaction