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Frontiers of Chemical Science and Engineering

ISSN 2095-0179

ISSN 2095-0187(Online)

CN 11-5981/TQ

邮发代号 80-969

2019 Impact Factor: 3.552

Frontiers of Chemical Science and Engineering  2011, Vol. 5 Issue (3): 355-361   https://doi.org/10.1007/s11705-010-0567-9
  RESEARCH ARTICLE 本期目录
Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project
Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project
Quanyuan WEI1,2, Yongshui QU1, Tianwei TAN1()
1. Beijing University of Chemical Technology, Beijing 100029, China; 2. Beijing Municipal Research Institute of Environmental Protection, Beijing 100037, China
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Abstract

Biomass can be converted into flammable gas, charcoal, wood vinegar, wood tar oil and noncombustible materials with thermo-chemical pyrolysis reactions. Many factors influence these processes, such as the properties of the raw materials, and temperature control and these will affect the products that are produced. Based on the data from a straw pyrolysis demonstration project, the mass and heat balance of the biomass pyrolysis process were analyzed. The statistical product and service solutions (SPSS) statistical method was used to analyze the data which were monitored on-site. A cost-benefit analysis was then used to study the viability of commercializing the project. The analysis included net present value, internal rate of return and investment payback period. These results showed that the straw pyrolysis project has little risk, and will produce remarkable economic benefits.

Key wordsmass balance    heat balance    biomass pyrolysis    economic benefit
收稿日期: 2010-11-16      出版日期: 2011-09-05
Corresponding Author(s): TAN Tianwei,Email:twtan@mail.buct.edu.cn   
 引用本文:   
. Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project[J]. Frontiers of Chemical Science and Engineering, 2011, 5(3): 355-361.
Quanyuan WEI, Yongshui QU, Tianwei TAN. Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project. Front Chem Sci Eng, 2011, 5(3): 355-361.
 链接本文:  
https://academic.hep.com.cn/fcse/CN/10.1007/s11705-010-0567-9
https://academic.hep.com.cn/fcse/CN/Y2011/V5/I3/355
Fig.1  
Test itemRaw materialGas productPyroligneous acidWood tarCharcoal
C /wt-%41.044.84.738.488.7
H /wt-%5.86.010.86.22.4
Tab.1  
Fig.2  
ProductSample numberMeanStandard deviationStandard error mean
Solid1132.64822.69100.8114
Liquid1141.39602.10550.6348
Gas1125.63731.63970.4944
Tab.2  
Producttdfsig. (2-tailed)Mean difference95% Confidence interval of the difference
lowerupper
Solid2.167100.0551.75818-0.4973.5660
Liquid1.601100.1401.0164-0.3982.431
Gas-7.308100.000-3.61273-4.7143-2.5112
Tab.3  
Fig.3  
Fig.4  
YearProfitCostsDiscount factorNet cash flowNet present value
00.00323.091.00-323.09-323.09
1106.9546.820.9160.12-262.97
2106.9542.540.8364.40-198.56
3106.9542.540.7564.40-134.16
4106.9542.540.6864.40-69.76
5106.9542.540.6264.40-5.36
6106.9543.880.5663.0757.71
7106.9543.880.5163.07120.78
8106.9543.880.4763.07183.85
9106.9543.880.4263.07246.92
10106.9543.880.3957.02309.98
11106.9549.920.3557.02367.01
12106.9549.920.3257.02424.03
13106.9549.920.2957.02481.06
14106.9549.920.2657.02538.08
15106.9549.920.2486.08624.16
Tab.4  
Fig.5  
Fig.6  
Fig.7  
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