Assessment of an active dry barrier for a landfill cover system
- Sandia National Labs., Albuquerque, NM (United States)
- Stephens (Daniel B.) and Associates, Inc., Albuquerque, NM (United States)
A dry barrier is a layer of geologic material that is dried by air flow. An active dry barrier system can be designed, installed, and operated as part of a landfill cover system. An active system uses blowers and fans to move air through a high-permeability layer within the cover system. Depending principally on the air-flow rate, it is possible for a dry barrier to remove enough water to substantially reduce the likelihood of water percolating through the cover system. If a material with a relatively great storage capacity, such as processed tuff, is used as the coarse layer, then the efficiency of the dry barrier will be increased.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 10138200
- Report Number(s):
- SAND--94-0301; ON: DE94009255; BR: GB0103012
- Country of Publication:
- United States
- Language:
- English
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