The utilization possibility of waste lignite as a raw material in the process of obtaining humic acids preparations

• Authors: Krystyna Hoffmann , Marta Huculak-Mączka
• Languages of publication: EN

Abstracts

EN

In the light of environmental law utilization lignite waste in non-energy sectors of the economy is a rational way to manage them. Lignite due to the lower degree of coalification and calorific value as well as a high content of humic substances becomes a valuable component of fertilizer. The paper presents the possibility of using lignite waste as a raw material in the process of obtaining humic acids with 0.1 M NaOH. The idea of the process combines production, environmental and economic purposes. After the extraction process of humic acids and considering the possibility of using waste formed during the process, were carried out a number of studies to assist in choosing the best solution to its management.

Keywords

EN

brown coals; humic acids; extraction; alkaline w

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2012
• Volume: 14
• Issue: 4
• Pages: 1-6

Dates

published

1 - 12 - 2012

online

12 - 01 - 2013

Contributors

author

Krystyna Hoffmann

• Wrocław University of Technology, Chemistry Department, Intitute of Inorganic Technology and Mineral Fertilizers, ul. Wybrzeże Wyspiańskiego 27, 50-372 Wrocław, Poland

author

Marta Huculak-Mączka

• Wrocław University of Technology, Chemistry Department, Intitute of Inorganic Technology and Mineral Fertilizers, ul. Wybrzeże Wyspiańskiego 27, 50-372 Wrocław, Poland

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Identifiers

DOI

10.2478/v10026-012-0093-2