Extraction of humic acids from Kansko-Achinsk lignite

N. V. Lukyanov; A. M. Syroezhko; N. V. Slavoshevskaya; V. M. Strakhov; V. M. Potekhin; V. A. Itskovich

doi:10.3103/S1068364X16020022

Extraction of humic acids from Kansko-Achinsk lignite

Authors: Lukyanov N.V.¹, Syroezhko A.M.¹, Slavoshevskaya N.V.², Strakhov V.M.³, Potekhin V.M.¹, Itskovich V.A.¹
Affiliations:
1. St. Petersburg State Technological Institute
2. ZAO Neftekhimproekt
3. Kuznetsk Center, AO VUKhIN
Issue: Vol 59, No 2 (2016)
Pages: 48-53
Section: Chemistry
URL: https://journals.rcsi.science/1068-364X/article/view/225869
DOI: https://doi.org/10.3103/S1068364X16020022
ID: 225869

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Abstract

A method has been developed for practically complete alkaline extraction of humic acids from Kansko-Achinsk lignite. The maximum yield of humic acids may be ensured by correct selection of the extractant and the extraction temperature and time. The content of functional groups in the humic acids is determined, and their NMR spectra are analyzed. Their ability to bind heavy metals is assessed. Their stimulation of plant growth is studied, and the biological activity of the humic acids is assessed.

Keywords

humic acids, heavy metals, alkaline extraction, lignite, biological activity, NMR spectroscopy

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Extraction of humic acids from Kansko-Achinsk lignite

Full Text

Abstract

Keywords

About the authors

N. V. Lukyanov

A. M. Syroezhko

N. V. Slavoshevskaya

V. M. Strakhov

V. M. Potekhin

V. A. Itskovich

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