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Frontiers of Environmental Science & Engineering

ISSN 2095-2201

ISSN 2095-221X(Online)

CN 10-1013/X

Postal Subscription Code 80-973

2018 Impact Factor: 3.883

Front. Environ. Sci. Eng.    2014, Vol. 8 Issue (2) : 256-266    https://doi.org/10.1007/s11783-013-0585-1
RESEARCH ARTICLE
Vanadium metabolism investigation using substance flow and scenario analysis
Fangfang ZHANG1,2, Huiquan LI1(), Bo CHEN1, Xue GUAN1, Yi ZHANG1
1. Key Laboratory of Green Process and Engineering, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
2. Graduate School of Chinese Academy of Sciences, Beijing 100049, China
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Abstract

Vanadium is a vital strategic resource, and vanadium metabolism is an important part of the national socio-economic system of China. This study conducts accounting and scenario analysis on the life cycle of vanadium metabolism in China. Based on the characteristics of vanadium life cycle and substance flow analysis (SFA) framework, we present a quantitative evaluation of a static anthropogenic vanadium life cycle for the year 2010. Results show that anthropogenic vanadium consumption, stocks, and new domestic scrap are at 98.2, 21.2, and 4.1 kt, respectively; new scrap is usually discarded. The overall utilization ratio of vanadium is 32.2%. A large amount of vanadium is stockpiled into tailings, debris, slags, and other spent solids. A scenario analysis was conducted to analyze the future developmental trend of vanadium metabolism in China based on the SFA framework and the qualitative analysis of technology advancement and socio-economic development. The baseline year was set as 2010. Several indicators were proposed to simulate different scenarios from 2010 to 2030. The scenario analysis indicates that the next 20 years is a critical period for the vanadium industry in China. This paper discusses relevant policies that contribute to the improvement of sustainable vanadium utilization in China.

Keywords metabolism      vanadium industry      substance flow analysis      scenario analysis     
Corresponding Author(s): Huiquan LI   
Issue Date: 01 April 2014
 Cite this article:   
Fangfang ZHANG,Huiquan LI,Bo CHEN, et al. Vanadium metabolism investigation using substance flow and scenario analysis[J]. Front. Environ. Sci. Eng., 2014, 8(2): 256-266.
 URL:  
https://academic.hep.com.cn/fese/EN/10.1007/s11783-013-0585-1
https://academic.hep.com.cn/fese/EN/Y2014/V8/I2/256
Fig.1  Vanadium output
Fig.2  Vanadium production process
Fig.3  Schematic diagram for the anthropogenic vanadium life cycle
Fig.4  Framework of scenario analysis
Fig.5  SFA result of vanadium metabolism in 2010
basic case primary scenario intermediate scenario advanced scenario
product
structure
The vanadium consumption for industries concerning iron and steel, alloys, and chemicals will be 90%, 7%, and 3%, respectively. The reliance of the vanadium industry on the steel industry will decline to 80% in 2025, then to approximately 70% after 2030. The percentage of vanadium products applicable in the chemical and titanium alloy industry will not change, whereas an increase of 20% at most will occur in the energy storage industry after 2020. The reliance of the vanadium industry on the steel industry will decline to 70% in 2020, then to approximately 55% after 2030. The percentage of vanadium products applicable in the chemical industry will not change. The percentage of vanadium products applicable in the alloy industry and energy storage industry will increase by 10% and 35%, respectively. The reliance of the vanadium industry on the steel industry will decline to 70% in 2015, then to approximately 40% after 2030. The consumption of vanadium on the chemical, titanium alloy, and energy storage industries will be 7%, 10%, and 50%, respectively.
product output The volume of vanadium products retains its growth for the existing level. Between 2010 and 2020, the growth of vanadium product will slow down. After 2025, the production of vanadium will increase rapidly and reach 8% Between 2010 and 2015, the growth of vanadium products will slow down. Between 2015 and 2030, vanadium product growth rate will reach 12% After 2012, vanadium production will decrease. Vanadium growth rate will reach 20% in 2030 because of new energy industries.
technology
structure
The technology application remains at the 2010 level. Existing technologies are improved. Energy storage technology in 2015 will attain industrialization. Spent vanadium recycling/extraction technology will be presented in a small-scale demonstration in 2020. The popularization rate of DT will reach 80% in 2012. The popularization rate of stored energy technology will reach 80% in 2015. Reutilization technology for vanadium batteries will gain popularity in 2020 The popularization rate of DT will reach 90% and the popularization rate of stored energy technology will reach 50%. All of the spent vanadium battery will be reused in 2030
policies No new policies support technology development Production technology research and development is supported. However, industry protection measures and technical application support is not perfected. Production technology research and development is strongly supported, but relevant industry standards are still lacking. All aspects of policy and support measures are developed perfectly.
Tab.1  Industrial optimization scenarios
technology technological classification application stage products resource utilization
new wet and dry joint magnetic separation process DT production vanadium-iron concentrate 80%
sub-molten salt vanadium extraction process DT production vanadium pentoxide 95%
vanadium battery active material preparation technology IT manufacturing fabrication vanadium electrolyte 98%
spent catalyst recycling technology IT recycling vanadium pentoxide 90%
slag reuse technology FT recycling vanadium pentoxide 75%
vanadium electrolyte recycling technology FT recycling vanadium pentoxide 80%
Tab.2  Technological comparisons for scenario analysis
Fig.6  Sets of crude steel and generated energy: (a) crude steel; (b) generated energy
industry type 2011−2015 2016−2020 2021−2025 2026−2030
iron and steel (V2O5 t) 44100−56000 57400−60900 52800−57600 55200−48000
vanadium cell
(V2O5 t)
33−279 334−5608 5900−65840 68000−82800
Tab.3  Variation tendencies of vanadium products
Fig.7  Growth of vanadium products: (a) vanadium electrolyte; (b) vanadium alloy
Fig.8  Technological progress scenario of the Vanadium Industry: (a) primary scenario (b) intermediate scenario; (c) advanced scenario
Fig.9  Vanadium utilization rate
Fig.10  Vanadium output rate
Fig.11  Environmental impact index
Fig.12  Quantity of vanadium exploitation
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