Mobility and biodegradability of an imidazolium based ionic liquid in soil and soil amended with waste sewage sludge

Marta Markiewicz; Christian Jungnickel; Chul Wong Cho; Stefan Stolte

doi:10.1039/c5em00209e

Mobility and biodegradability of an imidazolium based ionic liquid in soil and soil amended with waste sewage sludge

Abstract

Sorption on solids and biodegradation are main phenomena that can mitigate the pollution of soil and water by ionic liquids (ILs). ILs sorbed on soil particles become immobilized (temporarily or permanently) which prevents them from spreading into deeper layers of soil or groundwater but which also makes them less bioavailable. In this study we attempt to examine if amendment of soil with waste sludge has a potential to mitigate the transport and enhance biodegradation of ILs using 1-methyl-3-octylimidazolium chloride ([OMIM][Cl]) as an example. We present the results of adsorption test (batch and column) and ultimate biodegradation of [OMIM][Cl] using microbial communities derived from soil. Finally, we combine all of these processes together to examine the fate of [OMIM][Cl] in a continuous column flow-through system in soil amended with waste sewage sludge. Addition of sludge serves two purposes: firstly increasing soil organic matter (formerly proved to facilitate retardation), and secondly augmenting soil with versatile microbial communities previously shown to successfully degrade ILs.

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Authors (4)

Marta Markiewicz dr inż.
- University of Bremen UFT – Centre for Environmental Research and Technology
Christian Jungnickel dr hab.
Chul Wong Cho dr
- Chonbuk National University School of Chemical Engineering
Stefan Stolte
- University of Bremen UFT – Centre for Environmental Research and Technology

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Keywords

IONIC LIQUIDS, BIO-DEGRADATION, MOBILITY

Details

Category:: Articles
Type:: artykuł w czasopiśmie wyróżnionym w JCR
Published in:: JOURNAL OF ENVIRONMENTAL MONITORING no. 17, edition 8, pages 1462 - 1469,
ISSN: 1464-0325
Language:: English
Publication year:: 2015
Bibliographic description:: Markiewicz M., Jungnickel C., Cho C., Stolte S.: Mobility and biodegradability of an imidazolium based ionic liquid in soil and soil amended with waste sewage sludge// JOURNAL OF ENVIRONMENTAL MONITORING. -Vol. 17, iss. 8 (2015), s.1462-1469
DOI:: Digital Object Identifier (open in new tab) 10.1039/c5em00209e
Verified by:: Gdańsk University of Technology