微波辅助杨木快速苯酚液化及产物表征

doi:10.11707/j.1001-7488.20141116

Abstract

Abstract:

A method for fast poplar wood liquefaction in phenol by using microwave energy was successfully developed. The optimum conditions for microwave-assisted poplar wood liquefaction in phenol are as follows: moisture content 30%-40%, reaction time 15 min, phenol to wood (P/W) ratio 2.5, wood powder diameter 0.18-0.25 mm, and liquefaction yield 87%. It was proved that microwave improved the liquefaction rate at least 6 times faster than conventional heating. Wood was degraded to low molecular weight substances including alcohols, acids, ether, aldehyde and phenolic compounds. Viscosity of liquefied wood products was remarkably decreased from 8 250 mPa·s to 3 015 mPa·s. And 100 g of liquefied wood reacted with about 2.1 mol of formaldehyde. There were only seven main conpounds, including phenol, 2,3-butanediol, 1,2-propanediol, 2-ethoxy-propane, 1,1-diethoxy-ethane, diisopropyl formal and 12-crown-4 in diethyl ether-soluble portions from liquefied wood products. It was concluded that the reaction mechanism was somewhat different between microwave-assisted and traditional wood phenolation. Cellulose and hemicellulose were firstly degraded into monosaccharides. And monosaccharides could be further cracked into 2, 3- butanediol, 1, 2-propanediol, ethylene glycol and ethanedial, and so on. These substances reacted with each other and converted to 2-ethoxy-propane, 1, 1-diethoxy-ethane, diisopropyl formal and 12-crown-4.

Key words: microwave heating, poplar, phenolation, product characterization

CLC Number:

TQ351

Li Gaiyun, Zhu Xianchao, Zou Xianwu, Xiang Qin, He Yuchan. Rapid Wood Liquefaction with Phenol by Microwave Heating and Product Characterization[J]. Scientia Silvae Sinicae, 2014, 50(11): 115-121.

References

陈俊宏.2010.杉木苯酚液化产物及树脂的结构与性能表征.北京: 北京林业大学硕士学位论文.
(Chen J H. 2010. Characterization of structure and properties of liquefied products from Chinese fir with phenol and its resin. Beijing: MS thesis of Beijing Forestry University. [in Chinese] )
陈秋玲,李如燕,孙可伟,等.2009.利用麦秆制聚氨酯多元醇研究.高分子通报, (11):37-43.
(Chen Q L, Li R Y, Sun K W, et al. 2009. Research on liquefaction of wheat straw for polyurethane polyol. Polymer Bulletin, (11):37-43. [in Chinese] )
吴晔. 1989. 木材介电常数的研究. 安徽农学院学报, (1):59-74.
(Wu Y. 1989. Study on the dielectric constants of wood. Journal of Anhui Agricultural University, (1):59-74. [in Chinese] )
Faix O. 1991. Classification of lignin from different botanical origins by FT-IR spectroscopy. Holzforschung,45 (Suppl.):21-27.
Gardner DJ, Mcginnis G D. 1988. Comparison of the reaction rates of the alkali-catalyzed addition of formaldehyde to phenol and selected lignins. Journal of Wood Chemistry and Technology, 8 (2): 261-288.
Ge L, Wu X M, Chen J W, et al. 2011. A new method for industrial production of 2,3-butanediol. Journal of Biomaterials and Nanobiotechnology,2 (3): 335-336.
Hassan E B, Kim M, Wan H. 2009. Phenol-formaldehyde-type resins made from phenol-liquefied wood for the bonding of particleboard. Journal of Applied Polymer Science, 112 (3):1436-1443.
Hassan E B, Mun S P. 2002. Liquefaction of pine bark using phenol and lower alcohols with methanesulfonic acid catalyst. Journal of Industrial and Engineering Chemistry, 8 (4): 359-364.
Huber G W, Iborra S, Corma A. 2006. Synthesis of transportation fuels from biomass: chemistry, catalysts, and engineering. Chem Rev,106 (9): 4044-4098.
Kr?an A, ?agar E. 2009. Microwave driven wood liquefaction with glycols. Bioresource Technology, 100 (12):3143-3146.
Kunaver M, Medved S, ? uk N, et al. 2010. Application of liquefied wood as a new particle board adhesive system. Bioresource Technology, 101 (4): 1361-1368.
Lee S H, Wang S Q. 2005. Effect of water on wood liquefaction and the properties of phenolated wood. Holzforschung, 59 (6):628-634.
Lin L Z, Nakagame S, Yao Y, et al. 2001. Liquefaction mechanism of β-o-4 lignin model compound in the presence of phenol under acid catalysts part 2 reaction behavior and pathways. Holzforschung, 55 (6): 625-630.
Lin L Z,Yao Y G,Yoshioka M, et al. 2004. Liquefaction mechanism of cellulose in the presence of phenol under acid catalysts. Carbohydrate Polymers, 57 (2):123-129.
Pan H. 2011. Synthesis of polymers from organic solvent liquefied biomass: a review. Renewable and Sustainable Energy Reviews, 15 (7): 3454-3463.
Pan H, Zheng Z F, Hse C Y. 2012. Microwave-assisted liquefaction of wood with polyhydric alcohols and its application in preparation of polyurethane (PU) foams. European Journal of Wood and Wood Products, 70 (4):461-470.
Schwanninger M, Rodrigues J C, Pereira H, et al. 2004. Effects of short-time vibratory ball milling on the shape of FT-IR spectra of wood and cellulose. Vib Spectrosc, 36 (1): 23-40.
Xiao W H, Niu W J, Yi F, et al. 2013. Influence of crop residue types on microwave-assisted liquefaction performance and products. Energy Fuels, 27 (6): 3204-3208.
Zhang Y C, Ikeda A, Hori N, et al. 2006. Characterization of liquefied product from cellulose with phenol in the presence of sulfuric acid. Bioresour Technol, 97 (2): 313-321.
Zhuang Y B, Guo J X, Chen L M, et al. 2012. Microwave-assisted direct liquefaction of Ulva prolifera for bio-oil production by acid catalysis. Bioresource Technology, 116:133-139.

[1]	Yang Baoshi, Guo Yingkai, Pang Kangying, Chen Yingjian, Zhu Yixin. Bearing Performance of Thin-Walled Timber Composite Cee-Sections [J]. Scientia Silvae Sinicae, 2019, 55(6): 111-121.
[2]	Li Jianqing, Mei Zengxia, Yang Zhongqi. Geostatistical Analysis on Spatial Distribution Pattern of Batocera horsfieldi (Coleoptera: Cerambycidae) Populations in Different Poplar Forest Types [J]. Scientia Silvae Sinicae, 2018, 54(3): 83-90.
[3]	Hou Junfeng, Bao Yongze, Zhou Yongdong. Effects of Superheated Steam Pretreatment on Conventional Drying of 50 mm-Thickness Poplar Lumber [J]. Scientia Silvae Sinicae, 2018, 54(2): 131-136.
[4]	Jiang Wenhu, Zhang Dejian, Liu Junxia, Li Chaoli, Lu Zhanyuan, Yang Minsheng. Comparative Analysis of Arthropod Communities in Transgenic Bt and Non-Transgenic Poplar-Cotton Composite Systems [J]. Scientia Silvae Sinicae, 2018, 54(10): 73-79.
[5]	Huang Juan, Chen Cun, Zhang Weixi, Ding Changjun, Su Xiaohua, Huang Qinjun. Effects of Drought Stress on Anatomical Structure and Photosynthetic Characteristics of Transgenic JERF36 Populus alba×P. berolinensis Seedling Leaves [J]. Scientia Silvae Sinicae, 2017, 53(5): 8-15.
[6]	Chu Wenyuan, Wang Yujiao, Zhu Dongyue, Chen Zhu, Yan Hanwei, Xiang Yan. Selection of Novel Reference Genes in Poplar under Salt and Drought Stresses [J]. Scientia Silvae Sinicae, 2017, 53(10): 70-79.
[7]	Xu Maosong, Lü Wenhua, Wenhua Wang. Properties of Strengthening-Dyeing-Combined Modified Plantation Poplar Wood [J]. Scientia Silvae Sinicae, 2017, 53(1): 82-87.
[8]	Cao Guoyu, Li Jixiang, Maimaitikuerban·Ali, Li Kaihua, Hu Jianjun. An Elite Variety of Populus deltoides ‘Beiyang’ [J]. Scientia Silvae Sinicae, 2016, 52(9): 156-156.
[9]	Huang Juan, Li Dan, Wang Ningning, Su Xiaohua, Huang Qinjun. Differences in Photosynthetic Characteristics and Growth in Short-Rotation Poplar of Different Spacing Configurations [J]. Scientia Silvae Sinicae, 2016, 52(8): 131-137.
[10]	Chen Panfei, Ren Yachao, Zhang Jun, Wang Jinmao, Yang Minsheng. Expression and Transportation of Bt Toxic Protein in 8-Year-Old Grafted Transgenic Poplar [J]. Scientia Silvae Sinicae, 2016, 52(7): 46-52.
[11]	Wang Wenbo, Wang Yanping, Wang Huatian, Ma Xuesong, Yi Wenhui. Effects of Different Continuous Cropping and Rotation of Poplar Plantation on Soil Nitrogen Bacteria Community and Nitrogen Metabolism [J]. Scientia Silvae Sinicae, 2016, 52(5): 45-54.
[12]	Li Kaihua, Hu Jianjun. An Elite Variety of Populus deltoides ‘Chuangxin’ [J]. Scientia Silvae Sinicae, 2016, 52(3): 130-130.
[13]	Qian Lianwen, Wu Wenjie, Sun Jingwei, Feng Ying. Growth Characteristics and Leaf Ultrastructures of Evergreen Poplar Clone Under Aluminum Stress [J]. Scientia Silvae Sinicae, 2016, 52(11): 39-46.
[14]	Chen Ying, Shao Zhilong, Wang Haoran, Zhu Yanyu, Zhu Sheng, Huang Minren. Cloning and Expression of PeAFB Genes in Populus [J]. Scientia Silvae Sinicae, 2015, 51(8): 26-32.
[15]	Yang Lei, Zhou Guoying, Liang Jun. Inhibitory Effects of Two Biocontrol Fungous Strains on Poplar Canker Botryosphaeria dothdea [J]. Scientia Silvae Sinicae, 2015, 51(8): 67-73.

Rapid Wood Liquefaction with Phenol by Microwave Heating and Product Characterization

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 15

Recommended Articles

Metrics

Comments