Preprints
https://doi.org/10.5194/egusphere-2024-10
https://doi.org/10.5194/egusphere-2024-10
02 Feb 2024
 | 02 Feb 2024
Status: this preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).

Emission Inventory Development for Spatiotemporal Release of Vanadium from Anthropogenic Sources in China

Han Zhang, Baogang Zhang, Bo Jiang, Qimin Li, Xuewen Hu, and Yi Xing

Abstract. Anthropogenic activities contribute primarily to the toxic vanadium presence in the surface environment, but quantitative assessment of its emissions from anthropogenic sources to various environmental receptors is still lacking. This study has developed nationwide vanadium emission inventory in China during 2015–2019, covering five major anthropogenic sources, including coal combustion, stationary oil burning, transportation, industrial production, and waste handling. Cumulative emission flux modelling has shown that 211094 t, 3725 t, and 0.1 t of vanadium were discharged into atmosphere, soil and water during this period. Coal combustion and stationary source of oil burning are the largest vanadium contributors, accounting for 47.5 % and 39.6 % of emission inventory. Shandong, Liaoning, Hebei, Guangdong and Hunan are among the largest provincial emitters. Emissions pertinent to raw coal combustion mainly increase by 719 t and 316 t in the provinces of North China and Northwestern China, respectively. Vanadium output pertinent to steelmaking constitutes 88.2 % emission in industrial production, and continued to increase in all regions. Emissions induced by vanadium mining shows remarkable spatial heterogeneity, with 66.1 % output determined in Southwestern China. Emissions pertinent to raw coal and coke combustion was the main source of uncertainty for the inventory development, resulting in output uncertainty ranging from -47.5 % to 63.7 % and -49.4 % to 53.7 %.

Han Zhang, Baogang Zhang, Bo Jiang, Qimin Li, Xuewen Hu, and Yi Xing

Status: open (until 27 Mar 2024)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
Han Zhang, Baogang Zhang, Bo Jiang, Qimin Li, Xuewen Hu, and Yi Xing

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Emission Inventory Development for Spatiotemporal Release of Vanadium from Anthropogenic Sources in China Han Zhang https://doi.org/10.5281/zenodo.10395785

Han Zhang, Baogang Zhang, Bo Jiang, Qimin Li, Xuewen Hu, and Yi Xing

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Short summary
We developed the vanadium emission inventories of anthropogenic sources in China during 2015–2019. We identified five major emission sources, including coal combustion, oil burning, transportation, industrial manufacture, and waste handling. Emission outputs were calculated by integrating the emission factors and activity levels of vanadium related processes. Our results identified the key emitters and highlighted the spatial and temporal patterns of vanadium releases.