Evidence map›Paper›PMID 31853852›Full record

ArticleEnvironmental science and pollution research international2020

Influence of Leifsonia sp. on U(VI) removal efficiency and the Fe-U precipitates by zero-valent iron.

Shuibo Xie, Xue Xiao, Wenfa Tan, Junwen Lv, Qinwen Deng, Qi Fang

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Article in Environmental science and pollution research international, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.

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1 · What the graph read from it

What it found

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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3 · Its place in the literature

Who cites it

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Shuibo XieKey Discipline Laboratory for National Defense of Biotechnology in Uranium Mining and Hydrometallurgy, University of South China, Hengyang, 421001, China.
Xue XiaoSchool of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China.
Wenfa TanSchool of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China. nhwftan@163.com.ORCID http://orcid.org/0000-0002-6208-7338
Junwen LvSchool of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China.
Qinwen DengHengyang Key Laboratory of Soil Pollution Control and Remediation, University of South China, Hengyang, 421001, China.
Qi FangSchool of Resource Environment and Safety Engineering, University of South China, Hengyang, 421001, China.

Funding

China's Post-doctoral Science Fund 2017M610500National Natural Science Foundation of China 11475080National Natural Science Foundation of China 11605087Natural Science Foundation of Hunan Proince 2019JJ50513
6 · The paper itself

Abstract

Zero-valent iron (ZVI) has been widely applied to the remediation of uranium (U)-contaminated water. Notably, indigenous bacteria may possess potential positive or unfavorable influence on the mechanism and stability of Fe-U precipitates. However, the focus of the researches in this field has mainly been on physical and/or chemical aspects. In this study, batch experiments were conducted to explore the effects of an indigenous bacterium (Leifsonia sp.) on Fe-U precipitates and the corresponding removal efficiency by ZVI under different environmental factors. The results showed that the removal rate and capacity of U(VI) was significantly inhibited and decreased by ZVI when the pH increased to near-neutral level (pH = 6~8). However, in the ZVI + Leifsonia sp. coexistence system, the U(VI) removal efficiency were maintained at high levels (over 90%) within the experimental scope (pH = 3~8). This revealed that Leifsonia sp. had a synergistic effect on U(VI) remove by ZVI. According to scanning electron microscope and energy dispersive X-ray detector (SEM-EDX) analysis, dense scaly uranium-phosphate precipitation was observed on ZVI + Leifsonia sp. surface. The X-photoelectron spectroscopy (XPS) and Fourier transform infrared spectroscopy (FTIR) analysis indicated that Leifsonia sp. facilitated the generation of U(VI)-phosphates precipitates. The X-ray diffraction (XRD) analyses further revealed that new substances, such as (Fe(II)Fe(III)

Indexed as

UraniumWater Pollutants, ChemicalActinobacteriaBiodegradation, EnvironmentalIronPhotoelectron SpectroscopyX-Ray DiffractionIronUraniumWater Pollutants, ChemicalAdsorption capacityBacteria influenceLeifsonia sp.PrecipitateUranium immobilizationZero-valent iron

Identifiers

PMID31853852

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