Cytotoxicity of untreated coal liquefaction process water (and a comparison with gasification process water)
Untreated scrubber water from the Char Oil Energy Development coal liquefaction process was examined for pernicious effects on the protozoan Tetrahymena pyriformis. Cells were exposed to varying process water concentrations and their behavior, oxygen uptake, and population growth were monitored. Reductions in cell number and motility were directly related to concentration and length of exposure, with concentrations as high as 5% and exposures to 24 hours. The product water caused a nonlinear, dose-dependent reduction in oxygen uptake across a 2-5% concentration range. Population growth was reduced by concentrations as low as 0.2% process water. Growth rate and test population final density were found to be inversely proportional to concentration across the 0.2-1% range. Comparisons with the coal gasification product water were discussed. (4 graphs, 8 references, 1 table)
- Research Organization:
- Pan American Univ.
- OSTI ID:
- 5643259
- Journal Information:
- J. Environ. Qual.; (United States), Journal Name: J. Environ. Qual.; (United States) Vol. 13:9; ISSN JEVQA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Cytotoxicity of synthetic fuel products on Tetrahymena pyriformis. II. Shale oil retort water
Biochemical Studies on Irradiated Protozoa. I. Effect of Metabolites on the Respiration of X-Irradiated Tetrahymena pyriformis *
Related Subjects
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
560302* -- Chemicals Metabolism & Toxicology-- Microorganisms-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
COAL LIQUEFACTION
DOSE-RESPONSE RELATIONSHIPS
HYDROGEN COMPOUNDS
INVERTEBRATES
LIQUEFACTION
LIQUID WASTES
MICROORGANISMS
OXYGEN COMPOUNDS
PROTOZOA
TETRAHYMENA
THERMOCHEMICAL PROCESSES
WASTE WATER
WASTES
WATER