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Leach potential of codisposed spent oil shale and retort water using two extraction methods

Technical Report ·
OSTI ID:5635859
;
A comparison of the inorganic leachate quality from spent shale samples compacted by coproduced retort water is presented. Leachates were generated by two extraction methods, the ASTM Method D3987 and the EPA/RCRA Extraction Procedure (EPA-EP). Samples were analyzed for arsenic, selenium, cadmium, lead, boron, chromium, molybdenum, sulfates and chlorides. Comparison of all the leachates quality with the maximum allowable limits defined by RCRA indicate that arsenic, cadmium, chromium, lead and selenium concentration are well within these limits. Retort water compacted spent shales extracted by the ASTM method produced leachates containing chromium, lead, selenium and sulfate concentration in excess of drinking water standards. Concentrations of arsenic, cadmium, chromium, lead, selenium and sulfate in EPA-EP leachates of spent shales compacted with retort water also exceeded drinking water standards. 30 refs., 13 figs., 10 tabs.
Research Organization:
Western Research Inst., Laramie, WY (USA)
DOE Contract Number:
FC21-83FE60177
OSTI ID:
5635859
Report Number(s):
DOE/FE/60177-1882; ON: DE85012384
Country of Publication:
United States
Language:
English

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Related Subjects

04 OIL SHALES AND TAR SANDS
041000* -- Oil Shales & Tar Sands-- Environmental Aspects
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ARSENIC
BORON
CADMIUM
CHEMICAL ANALYSIS
CHEMICAL REACTORS
CHLORIDES
CHLORINE COMPOUNDS
CHROMIUM
COMPLIANCE
DATA
DISPERSIONS
DISTILLATION EQUIPMENT
ELEMENTS
EQUIPMENT
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HYDROGEN COMPOUNDS
INFORMATION
LEACHATES
LEAD
LIQUID WASTES
METALS
MIXTURES
MOLYBDENUM
MULTI-ELEMENT ANALYSIS
NUMERICAL DATA
OXYGEN COMPOUNDS
QUANTITY RATIO
RETORTS
SAFETY STANDARDS
SELENIUM
SEMIMETALS
SOLUTIONS
SPENT SHALES
STANDARDS
SULFATES
SULFUR COMPOUNDS
TRANSITION ELEMENTS
WASTE WATER
WASTES
WATER