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- Title
Environmental pollution by wastewater from brown coal processing – a remediation case study in Germany.
- Authors
Wiessner, Arndt; Müller, Jochen A.; Kuschk, Peter; Kappelmeyer, Uwe; Kästner, Matthias; Liu, Yong-Jun; Stottmeister, Ulrich
- Abstract
The large scale of the contamination by the former carbo-chemical industry in Germany requires new and often interdisciplinary approaches for performing an economically sustainable remediation. For example, a highly toxic and dark-colored phenolic wastewater from a lignite pyrolysis factory was filled into a former open-cast pit, forming a large wastewater disposal pond. This caused an extensive environmental pollution, calling for an ecologically and economically acceptable strategy for remediation. Laboratory-scale investigations and pilot-scale tests were carried out. The result was the development of a strategy for an implementation of full-scale enhanced in situ natural attenuation on the basis of separate habitats in a meromictic pond. Long-term monitoring of the chemical and biological dynamics of the pond demonstrates the metamorphosis of a former highly polluted industrial waste deposition into a nature-integrated ecosystem with reduced danger for the environment, and confirmed the strategy for the chosen remediation management.
- Subjects
GERMANY; POLLUTION; ENVIRONMENTAL remediation; WASTEWATER treatment; ENVIRONMENTAL protection
- Publication
Journal of Environmental Engineering & Landscape Management, 2014, Vol 22, Issue 1, p71
- ISSN
1648-6897
- Publication type
Article
- DOI
10.3846/16486897.2013.808640