Abstract
Most sludge has historically been disposed of in landfills and by ocean dumping but, because of its heavy metal content, this will be totally banned in Korea starting in 2012, based on the London Dumping Convention. Therefore, treatment and disposal methods that are environmentally friendlily are urgently required. The recycling of sewage sludge is a good treatment method for solving sludge problems in an environmentally friendly way. In this study, physical and environmental tests were conducted to evaluate the feasibility of using the by-products of thermal hydrolysis of sewage sludge as barrier layer materials in the final cover systems for landfills. In addition, testing methods for freezing-thawing (KS F 2332) and wetting-drying (KS F 2330) cycles were conducted to assess the effects of cold and hot soil climates starting from pavement. These tests yielded positive results for alternative materials for the barrier layer in a final cover system for a landfill.
| Original language | English |
|---|---|
| Pages (from-to) | 208-213 |
| Number of pages | 6 |
| Journal | Journal of Material Cycles and Waste Management |
| Volume | 11 |
| Issue number | 3 |
| DOIs | |
| State | Published - 2009.09 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- Barrier layer
- By-products
- Final cover system
- Freezing-thawing
- Landfill
- Wetting-drying
Quacquarelli Symonds(QS) Subject Topics
- Environmental Sciences
- Materials Science
- Engineering - Mechanical
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