Sorption of Pb2+ by magnetite coated with humic acids

Yurishcheva, A. A.

doi:10.4024/04yu13a.jbpc.13.02

Cited by 7 publications

(1 citation statement)

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“…In the aquatic environment, the humic acid binding skills of heavy metals have been exploited to develop remediation technologies for the removal of heavy metals from wastewater. For this, the authors in [44] used nano magnetic particles coated with humic acids. After capturing the lead ions, the nanoparticles can be captured using a magnet.…”

Section: Technological Applicationsmentioning

confidence: 99%

Chemical Characteristics of Humic Substances in Nature

Mahler¹,

Svierzoski²,

Bernardino³

2021

Humic Substance [Working Title]

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Humic substances are the main constituents of natural organic matter, found in both aquatic and terrestrial environments. Humic substances are a complex, dispersed, and heterogeneous mixture of various organic compounds synthesized from organic matter residues, decomposed by microorganisms. Most scientists indicate that humic substances are as a supramolecular association of small heterogeneous molecules stabilized by weak intermolecular bonds. When these substances are presented in water intended for drinking or industrial use, it can have a significant impact on the treatability of this water and on the success of chemical disinfection processes, due to possible formation of organic compounds harmful to human health. Moreover, the humic substances can be used of several ways such as fertilizer to help in the development of plants, to improve soil erosion and to removal of organic compounds and metals from soils and waters. In addition, humic substances suggest an important role in mitigating areas degraded by the phytoremediation technique. The purpose of chapter is to provide an overview of humic substances and to discuss their concepts, chemical characteristics, ecological effects and technological applications for soils and aquatic systems.

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Section: Technological Applicationsmentioning

confidence: 99%

Chemical Characteristics of Humic Substances in Nature

Mahler¹,

Svierzoski²,

Bernardino³

2021

Humic Substance [Working Title]

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Preparation of fulvic acids-functionalized magnetite for lead (II) adsorption in aqueous solutions

Koesnarpadi

Fitriani²,

Widodo³

et al. 2022

AGRIVOLTAICS2021 CONFERENCE: Connecting Agrivoltaics Worldwide

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Solid-state mechanochemical technology for deep processing of brown coal: energy efficiency improvement and dust formation control

Matveeva

Skripkina

Bulanova

et al. 2021

J. Phys.: Conf. Ser.

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Energy efficiency – a compromise between reaction depth and expended energy - is an actual question for any technology implementation. Mechanochemical technology for brown coal deep processing has one more compromise - between reaction depth and dust formation. Indeed, the depth of mechanochemical reactions usually correlates with grinding efficiency, but for coal cases dust formation is an unwanted process. Here we consider a solid-state mechanochemical reaction of humic acid oxidation by sodium percarbonate in one laboratory mill at different conditions. The ratio between the grinding bodies load and the payload was varied, the reaction yield and the ground samples characteristics were controlled.

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Sorption of Pb2+ by magnetite coated with humic acids

Cited by 7 publications

References 0 publications

Chemical Characteristics of Humic Substances in Nature

Chemical Characteristics of Humic Substances in Nature

Preparation of fulvic acids-functionalized magnetite for lead (II) adsorption in aqueous solutions

Solid-state mechanochemical technology for deep processing of brown coal: energy efficiency improvement and dust formation control

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