Soil Remediation

Ash sediments for improving the water quality of mining lakes

As part of this project, the project partners examine the use of alkaline suspensions to improve water quality of sulphuric post-mining water bodies formed from the remainders of opencast mines with additional CO2-mineralisation. Following the cleaning-up of mining lakes, this allows to derive economic benefit of it, as well as to recycle ash sediments, and lignite filter ash from power plants.

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Source: German National Library of Science and Technology Hannover (TIB)