Yichen Ge

Hunan Agricultural University

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Xihong Zhou

Xi'an Jiaotong University

Qingru Zeng

Hunan Agricultural University

Yang Yang

Hunan Agricultural University

Hongyuan Zeng

Hunan Institute of Microbiology

Pengfei Tu

Beijing University of Chinese Medicine

Jing Yuan

University of Alberta

Yang Yang

Shaanxi Institute of Zoology

Dongsheng Zou

Chongqing University

Kelin Wang

Institute of Subtropical Agriculture

Liang Peng

Chinese Academy of Sciences

Cooperative Institutions

Hunan Agricultural University

Chinese Academy of Sciences

Northwest A&F University

Hunan Hydro&Power Design Institute

Nanjing Agricultural University

Lanzhou University

Institute of Subtropical Agriculture

Beijing University of Chinese Medicine

Peking University

State Key Laboratory of Natural and Biomimetic Drugs

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Phytoextraction of Cd from a contaminated soil by tobacco and safe use of its metal-enriched biomass

Journal of Hazardous Materials (2018)

Yang Yang Yichen Ge Pengfei Tu Hongyuan Zeng Xihong Zhou

10.1016/j.jhazmat.2018.09.093

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Phytoextraction of cadmium-contaminated soil and potential of regenerated tobacco biomass for recovery of cadmium

Scientific Reports (2017)

Yang Yang Yichen Ge Hongyuan Zeng Xihong Zhou Liang Peng

The aim of this study was to estimate the influence of regenerated tobacco on the extraction of Cd from two acidic soils as well as to address the problem of how to deal with contaminated leaves following phytoextraction. Results showed that a coppicing tobacco led to a decline in Cd concentration in regenerated leaves and stalks when plants were grown in pots, but increased concentrations in regenerated lower and middle leaves when plants were grown under field conditions. The highest recorded bioconcentration factors in Chaling and Guanxi soil were 37.53 and 19.21 in lower leaves in the field, respectively. Total Cd extraction efficiency in practice (9.43% for Chaling soil and 6.24% for Guanxi soil) under field conditions confirmed our theoretical calculations (10.0% for Chaling soil and 6.73% for Guanxi soil). Use of a 0.5% hydrochloric acid(HCl) solution was sufficient to reduce Cd (98.4%) in tobacco leaves to permissible levels as required by the Hygienic Standard for Feeds in China (≤0.5 mg kg-1). Regenerated tobacco has the potential to allow cultivation of Cd contaminated farmland to produce animal feed, assist in lowering total Cd content of soil, and allow income generation for farmers.

Bioconcentration

10.1038/s41598-017-05834-8

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A new method for simultaneous removal of heavy metals and harmful organics from rape seed meal from metal-contaminated farmland

Separation and Purification Technology (2018)

Jing Yuan Yang Yang Xihong Zhou Yichen Ge Qingru Zeng

Hydrochloric acid

10.1016/j.seppur.2018.09.056

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Citations (21)