Catalytic cracking of rosin and its cracked products

BAI Ming-e; GENG Wei; NIE Xiao-an

doi:10.11833/j.issn.2095-0756.2010.01.017

Volume 27 Issue 1

Feb. 2010

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BAI Ming-e, GENG Wei, NIE Xiao-an. Catalytic cracking of rosin and its cracked products[J]. Journal of Zhejiang A&F University, 2010, 27(1): 105-109. doi: 10.11833/j.issn.2095-0756.2010.01.017

Citation:

BAI Ming-e, GENG Wei, NIE Xiao-an. Catalytic cracking of rosin and its cracked products[J]. Journal of Zhejiang A&F University, 2010, 27(1): 105-109. doi: 10.11833/j.issn.2095-0756.2010.01.017

Catalytic cracking of rosin and its cracked products

doi: 10.11833/j.issn.2095-0756.2010.01.017

1.
Key Laboratory on Biological and Chemical Using of Zhejiang Forest Resources，Zhejiang Forestry Academy，Hangzhou 310023，Zhejiang China;
2.
College of Chemical Engineering，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;
3.
Institute of Chemical Industry of Forest Products，The Chinese Academy of Forestry，Nanjing 210042，Jiangsu，China

More Information

Corresponding author: BAI Ming-e
Publish Date: 2010-02-20

Abstract

Catalytic cracking of rosin with activated clay，phosphotungstic acid hydrate，phosphotmolybdic acid hydrate，zeolite molecule sieve and silicotungstic acid hydrate was studied，and reaction conditions along with chemical compositions of the cracked products from activated clay were analyzed with gas chromatography-mass spectrometry （GC/MS）. Results showed that with a 1.0 － 2.0 h reaction time，activated clay reduced the acid value of the products to 1.20 mgg-1，whereas phosphotungstic acid hydrate reduced the acid value to 2.07 mgg-1. Best reaction conditions for cracking reaction were a reaction temperature of 220 － 240 ℃，activated clay catalyst weight of 5.0% － 10.0% of the rosin，and a reaction time of 1.0 h. The main compounds from the GC/MS were naphthalene，1H-indole，benzo，4，5-diazaphenanthrene （phenanthrene），and other aromatic compounds. Besides the dicarboxylic reaction，the cracking reaction of rosin comprise the rupture and recomposition of CC bonds and CH bonds. ［Ch，1 fig. 5 tab. 9 ref.］
- forest engineering,
- rosin,
- catalytic cracking,
- catalyst,
- cracked products

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Catalytic cracking of rosin and its cracked products

1. Key Laboratory on Biological and Chemical Using of Zhejiang Forest Resources，Zhejiang Forestry Academy，Hangzhou 310023，Zhejiang China;

2. College of Chemical Engineering，Nanjing Forestry University，Nanjing 210037，Jiangsu，China;

3. Institute of Chemical Industry of Forest Products，The Chinese Academy of Forestry，Nanjing 210042，Jiangsu，China

Corresponding author: BAI Ming-e

Publish Date: 2010-02-20

Key words:

Abstract: Catalytic cracking of rosin with activated clay，phosphotungstic acid hydrate，phosphotmolybdic acid hydrate，zeolite molecule sieve and silicotungstic acid hydrate was studied，and reaction conditions along with chemical compositions of the cracked products from activated clay were analyzed with gas chromatography-mass spectrometry （GC/MS）. Results showed that with a 1.0 － 2.0 h reaction time，activated clay reduced the acid value of the products to 1.20 mgg-1，whereas phosphotungstic acid hydrate reduced the acid value to 2.07 mgg-1. Best reaction conditions for cracking reaction were a reaction temperature of 220 － 240 ℃，activated clay catalyst weight of 5.0% － 10.0% of the rosin，and a reaction time of 1.0 h. The main compounds from the GC/MS were naphthalene，1H-indole，benzo，4，5-diazaphenanthrene （phenanthrene），and other aromatic compounds. Besides the dicarboxylic reaction，the cracking reaction of rosin comprise the rupture and recomposition of CC bonds and CH bonds. ［Ch，1 fig. 5 tab. 9 ref.］

Catalytic cracking of rosin and its cracked products

doi: 10.11833/j.issn.2095-0756.2010.01.017

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views