Effects of microbial processes on gas generation under expected WIPP repository conditions: Annual report through 1992
Microbial processes involved in gas generation from degradation of the organic constituents of transuranic waste under conditions expected at the Waste Isolation Pilot Plant (WIPP) repository are being investigated at Brookhaven National Laboratory. These laboratory studies are part of the Sandia National Laboratories -- WIPP Gas Generation Program. Gas generation due to microbial degradation of representative cellulosic waste was investigated in short-term (< 6 months) and long-term (> 6 months) experiments by incubating representative paper (filter paper, paper towels, and tissue) in WIPP brine under initially aerobic (air) and anaerobic (nitrogen) conditions. Samples from the WIPP surficial environment and underground workings harbor gas-producing halophilic microorganisms, the activities of which were studied in short-term experiments. The microorganisms metabolized a variety of organic compounds including cellulose under aerobic, anaerobic, and denitrifying conditions. In long-term experiments, the effects of added nutrients (trace amounts of ammonium nitrate, phosphate, and yeast extract), no nutrients, and nutrients plus excess nitrate on gas production from cellulose degradation.
- Research Organization:
- Brookhaven National Lab., Upton, NY (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 10136688
- Report Number(s):
- BNL--49518; SAND--93-7036; ON: DE94009047
- Country of Publication:
- United States
- Language:
- English
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053004
054000
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
550700
59 BASIC BIOLOGICAL SCIENCES
ALPHA-BEARING WASTES
ANAEROBIC DIGESTION
BACTERIA
BIODEGRADATION
CARBON DIOXIDE
CELLULOSE
CLOSTRIDIUM
COMPILED DATA
DESIGN BASIS AND HYPOTHETICAL ACCIDENTS
DIAGRAMS
EXPERIMENTAL DATA
HEALTH AND SAFETY
LOW-LEVEL RADIOACTIVE WASTES
MICROBIOLOGY
NITROUS OXIDE
PROGRESS REPORT
UNDERGROUND DISPOSAL
WASTE DISPOSAL AND STORAGE
WIPP