Lead immobilization by geological fluorapatite and fungus Aspergillus niger

Li, Zhen; Wang, Fuwei; Bai, Tongshuo; Tao, Jinjin; Guo, Jieyun; Yang, Ming; Wang, Shimei; Hu, Shuijin

doi:10.1016/j.jhazmat.2016.08.051

Cited by 82 publications

(43 citation statements)

References 34 publications

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“…All experiments were performed with triplicates. All samples were obtained and determinations were performed in accordance with relevant guidelines and regulations (Li et al, 2016b;Tian et al, 2018).…”

Section: Preparation Of the Sections For Temmentioning

confidence: 99%

“…oxalic, tartaric, and citric acids (Coutinho et al, 2012;Sturm et al, 2015;Li et al, 2016a). Their ability of secreting organic acids has been successfully applied in Pb remediation (Whitelaw, 2000;Coutinho et al, 2012;Li et al, 2016b). However, these processes would be influenced by pH, temperature, humidity, and nutrient supply (Kapoor et al, 1999;Mandal and Banerjee, 2005;Kim et al, 2006;Amini et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

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A new insight into lead (II) tolerance of environmental fungi based on a study of Aspergillus niger and Penicillium oxalicum

Tian

Jiang

et al. 2019

Environmental Microbiology

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Summary Environmental microorganisms have been widely applied in heavy metal remediation. This study explored the mechanisms of lead tolerance of two typical filamentous fungi, Aspergillus niger and Penicillium oxalicum. It is shown that the mechanisms of reducing Pb toxicity by these two fungi have three major pathways. The secreted oxalic acid can react with Pb (II) to form insoluble Pb minerals, primarily lead oxalate. Then, the enhanced biosorption via forming new border of cell wall prevents the transportation of Pb (II) into hypha. In addition, the fungal activity could be maintained even at high Pb concentration due to the intracellular accumulation. It was confirmed that A. niger has the higher Pb tolerance (up to 1500 mg l−1 Pb level) compared with P. oxalicum (up to 1000 mg l−1). Meanwhile, Pb levels below 1000 mg l−1 partially stimulate the bioactivity of A. niger, which was confirmed by its elevated respiration (from 53 to 63 mg C l−1 medium h−1). This subsequently enhanced microbial functions of A. niger to resist Pb toxicity. A better understanding of Pb tolerance of these two fungi sheds a bright future of applying them to remediate lead‐contaminated environments.

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Section: Preparation Of the Sections For Temmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A new insight into lead (II) tolerance of environmental fungi based on a study of Aspergillus niger and Penicillium oxalicum

Tian

Jiang

et al. 2019

Environmental Microbiology

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“…niger (CGMCC No. 11544, Nanjing Agricultural University), was isolated from the soybean rhizosphere soil in Nanjing, China . It was previously incubated on potato dextrose agar (PDA) plates at 28°C for 5 days to form sporulation prior to the experiments.…”

Section: Methodsmentioning

confidence: 99%

Tracking the fungus‐assisted biocorrosion of lead metal by Raman imaging and scanning electron microscopy technique

Shao

Jiao

et al. 2020

J Raman Spectroscopy

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Fungi play a significant role in biological corrosion of metal materials. We studied the biocorrosion of lead foils under incubation of Aspergillus niger (A. niger). Multiple techniques, for example, scanning electron microscopy (SEM), diffuse reflectance infrared Fourier transform spectroscopy (DRIFT), and Raman imaging and scanning electron microscopy (RISE), were applied in this study. SEM confirmed the normal growth of the fungus on Pb foil surface, either above or under the solid medium surface. In addition, SEM‐energy dispersive spectrometer confirmed the formation of the secondary Pb mineral particles after incubation, which had variable morphologies. DRIFT was able to show changes of compounds formed on the surface of Pb foils. However, it cannot exactly identify the mineral phase. RISE technology offered both morphological and spectral information of the formed Pb mineral. Three dominant Raman peaks at ~1,440, ~1,480, and ~1,590 cm−1 indicated that the secondary mineral was lead oxalate. Raman mapping further demonstrated the distribution of Pb oxalate architecture. This study first applied RISE to investigate the biocorrosion of metals by fungi.

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“…Accumulation of sphagnum moss plant residues in peat is particularly effective in adsorbing and removing Cd from hypochlorite-oxidized cadmium cyanide-containing plating waste, hexavalent chromium from aqueous solutions, as well as Cu, Pb, Cd, Ni, and Zn from waste waters [27][28][29][30]. Biochar can be derived from many sources such as crop residues, stover, straw, shell, bark, wood, sludge, litter, rubber, and peat [31][32][33][34][35]. Peat moss-derived biochars produced from pyrolysis in different carbonization conditions have recently attracted the research interest in heavy metal adsorption [36].…”

Section: Introductionmentioning

confidence: 99%

An Experimental Study for the Remediation of Industrial Waste Water Using a Combination of Low Cost Mineral Raw Materials

et al. 2019

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This paper investigates an alternative use of sterile aggregate materials which may arise from various construction applications in conjunction with other low-cost mineral raw materials to remediate the acid mine drainage phenomenon. This study is based on the combination of unprocessed mineral raw materials, as well as on the basic concept of the cyclic economy where the conversion of a waste into a raw material for another application can be achieved. In this study, in order to examine the remediation, in lab scale, of the drainage waste water of Agios Philippos mine, an experimental electrically continuous flow-driven forced device was constructed, enriching the research gap relative to this type of remediation approach. Through this experimental device, the use of certain mixes of mineral raw materials (serpentinite, andesite, magnesite, peat, and biochar) was studied. Our results focus on the impact of the studied mineral raw materials and especially on their synergy on the water purification potential under continuous water flow operation. Using the new 7-day experimental electrically continuous flow-driven forced device with certain mixes of mineral raw materials, the increase of pH values from 3.00 to 6.82 was achieved. Moreover, with use of the experimental device, the removal of toxic load was achieved, and more specifically the concentration of Fe was decreased from 6149 to 1300 ppb, Cu from 8847 to 35 ppb, and Zn from 285,458 to 50,000 ppb.

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Lead immobilization by geological fluorapatite and fungus Aspergillus niger

Cited by 82 publications

References 34 publications

A new insight into lead (II) tolerance of environmental fungi based on a study of Aspergillus niger and Penicillium oxalicum

A new insight into lead (II) tolerance of environmental fungi based on a study of Aspergillus niger and Penicillium oxalicum

Tracking the fungus‐assisted biocorrosion of lead metal by Raman imaging and scanning electron microscopy technique

An Experimental Study for the Remediation of Industrial Waste Water Using a Combination of Low Cost Mineral Raw Materials

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