H-Coal pilot plant. Topical report: industrial hygiene air monitoring at the H-Coal pilot plant
Ashland Synthetic Fuels, Inc. conducted an intensive industrial hygiene monitoring program to identify and characterize H-Coal Pilot Plant worker exposures to aliphatic and aromatic hydrocarbons, hydrogen sulfide, nitrogen oxides, and polynuclear aromatic hydrocarbons. Area and personnel samples were utilized, with emphasis on personnel samples collected on operations and maintenance workers grouped into 14 functional job categories. Generally, the industrial hygiene effort indicated that the worker exposure levels were typically well below threshold limit values, and that those job activities where threshold limit value excursions occurred could be readily controlled through engineering or personal protection methods to reduce worker exposures to the above mentioned air contaminants. However, the average exposure to one contaminant, coal tar pitch volatiles, slightly exceeded the threshold limit value. Process sample technicians, pipefitters, and boilermakers consistently showed higher mean and peak exposures than workers in other job categories. The categories with consistent low relative exposures included tank farm operators, wastewater operators, and laboratory technicians. A vent condenser was found to substantially reduce emissions of benzene, toluene, xylene and hexane from a hot oil storage tank vent. Improvements in air cleaning devices for flaking units are recommended for future operations at pilot or commercial coal liquefaction facilities.
- Research Organization:
- Ashland Synthetic Fuels, Inc., KY (USA)
- DOE Contract Number:
- AC05-76ET10143
- OSTI ID:
- 6040587
- Report Number(s):
- DOE/ET/10143-30; ON: DE83012509
- Resource Relation:
- Other Information: Microfiche only, copy does not permit paper copy reproduction. Original copy available until stock is exhausted
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
AIR POLLUTION
MONITORING
SAMPLING
H-COAL PROCESS
INDUSTRIAL MEDICINE
PILOT PLANTS
VENTS
VAPOR CONDENSERS
AIR CLEANING SYSTEMS
AMINES
AMMONIA
ANILINE
BENZENE
BENZOPYRENE
CARBON MONOXIDE
CARBON SULFIDES
CHEMICAL ANALYSIS
COAL LIQUEFACTION
COAL TAR
EMISSION
EXPERIMENTAL DATA
HEXANE
HYDROCARBONS
HYDROGEN SULFIDES
MOLYBDENUM
NITROGEN OXIDES
PARTICULATES
PERSONNEL MONITORING
PHENOLS
PITCHES
POLYCYCLIC AROMATIC HYDROCARBONS
TOLUENE
XYLENES
ALKANES
AROMATICS
CARBON COMPOUNDS
CARBON OXIDES
CHALCOGENIDES
CONDENSED AROMATICS
CONDENSERS
DATA
ELEMENTS
ENGINEERED SAFETY SYSTEMS
FUNCTIONAL MODELS
HYDRIDES
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
INFORMATION
LIQUEFACTION
MEDICINE
METALS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NUMERICAL DATA
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLES
POLLUTION
RADIATION MONITORING
SULFIDES
SULFUR COMPOUNDS
TAR
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
010405* - Coal
Lignite
& Peat- Hydrogenation & Liquefaction
016000 - Coal
Lignite
& Peat- Health & Safety