Chemical composition and ash characteristics of several straw stalks and residues

LIU Li; GUO Jian-zhong; LU Feng-zhu

Volume 23 Issue 4

Feb. 2017

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LIU Li, GUO Jian-zhong, LU Feng-zhu. Chemical composition and ash characteristics of several straw stalks and residues[J]. Journal of Zhejiang A&F University, 2006, 23(4): 388-392.

Citation:

LIU Li, GUO Jian-zhong, LU Feng-zhu. Chemical composition and ash characteristics of several straw stalks and residues[J]. Journal of Zhejiang A&F University, 2006, 23(4): 388-392.

Chemical composition and ash characteristics of several straw stalks and residues

1.
School of Sciences, Zhejiang Forestry College , Lin'an 311300 , Zhejiang , China;
2.
School of Engineering , Zhejiang Forestry College , Lin'an 311300, Zhejiang , China

Received Date: 2005-10-29
Rev Recd Date: 2006-03-30
Publish Date: 2006-08-20

Abstract

The chemical compositions of straw stalks of Bochmeria nivea , Phyllostachys pubescens , Oryza sativa and Phyllostachys praecox and residues of Carya cathayensis and Cunninghamia lanceolata were studied .Their ash characteristics were also studied with XRD-6000 .The results of chemical analysis showed that the content of cellulose was between 378.8 gkg-1 and 462.5 gkg-1 and lignin was between 16.40 gkg-1 and 253.0 gkg-1 in the straw stalk , which was close to that of wood timber .The content of cellulose in the carya crust was lower but its lignin content was higher .The ash content in the carya inner shell was only 8.2 gkg-1 .The chemical components of the quick-growing Chinese fir scrap were the same as those of natural forests .The XRD results indicated that the main crystalline phases of gramineae straw ashes were KCl and K2SO4 while thoseof hemp straw were NaCl and KCl .The component of carya crust was comparatively complicated .CaCO3 and albite were main crystalline phases in the inner shell of carya .The main crystalline phase of quick-growing Chinese fir scrap was K2SO4 .[ Ch , 2 fig .1 tab .7 ref .]
- botany,
- the plants of agriculture and forestry,
- residues,
- biomass,
- ash

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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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Chemical composition and ash characteristics of several straw stalks and residues

1. School of Sciences, Zhejiang Forestry College , Lin'an 311300 , Zhejiang , China;

2. School of Engineering , Zhejiang Forestry College , Lin'an 311300, Zhejiang , China

Received Date: 2005-10-29

Rev Recd Date: 2006-03-30

Publish Date: 2006-08-20

Key words:

botany /
the plants of agriculture and forestry /
residues /
biomass /
ash

Abstract: The chemical compositions of straw stalks of Bochmeria nivea , Phyllostachys pubescens , Oryza sativa and Phyllostachys praecox and residues of Carya cathayensis and Cunninghamia lanceolata were studied .Their ash characteristics were also studied with XRD-6000 .The results of chemical analysis showed that the content of cellulose was between 378.8 gkg-1 and 462.5 gkg-1 and lignin was between 16.40 gkg-1 and 253.0 gkg-1 in the straw stalk , which was close to that of wood timber .The content of cellulose in the carya crust was lower but its lignin content was higher .The ash content in the carya inner shell was only 8.2 gkg-1 .The chemical components of the quick-growing Chinese fir scrap were the same as those of natural forests .The XRD results indicated that the main crystalline phases of gramineae straw ashes were KCl and K2SO4 while thoseof hemp straw were NaCl and KCl .The component of carya crust was comparatively complicated .CaCO3 and albite were main crystalline phases in the inner shell of carya .The main crystalline phase of quick-growing Chinese fir scrap was K2SO4 .[ Ch , 2 fig .1 tab .7 ref .]

Chemical composition and ash characteristics of several straw stalks and residues

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views