Corrosion of solvent refined coal pilot plant fractionation columns

Journal Article · Sat May 01 00:00:00 EDT 1982 · Mater. Performance; (United States)

OSTI ID:6837877

Keiser, J R; Judkins, R R; Baylor, V B; Canfield, D R; Barnett, W P

Severe corrosion has been observed in fractionating columns at the Fort Lewis, Washington, and Wilsonville, Alabama, solvent refined coal pilot plants. This corrosion is most severe for materials exposed in the 230 to 250 C (446 to 482 F) range and results in corrosion rates of as much as 6.4 mm/y (250 mmy) for AISI 18.8 stainless steels. Studies at ORNL of this corrosion problem include exposure of coupons in the columns, analysis of failed components from the pilot plants, and operation of laboratory experiments. From coupon exposures, we have identified alloys that have adequate corrosion resistance for the environment; from the information gained from chemical analyses and laboratory experiments, we have prepared a corrosion mechanism.

• OSTI ID: 6837877
• Journal Information: Mater. Performance; (United States), Journal Name: Mater. Performance; (United States) Vol. 21:5; ISSN MTPFB
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
010407 -- Coal & Coal Products-- Solvent Extraction-- (-1987)
36 MATERIALS SCIENCE
360105 -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
CHEMICAL REACTIONS
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
COAL LIQUEFACTION PLANTS
CORROSION
CORROSION RESISTANT ALLOYS
CORROSIVE EFFECTS
EXTRACTION APPARATUSES
EXTRACTION COLUMNS
FUELS
FUNCTIONAL MODELS
INDUSTRIAL PLANTS
IRON ALLOYS
IRON BASE ALLOYS
NICKEL ALLOYS
PILOT PLANTS
SEPARATION EQUIPMENT
SOLVENT-REFINED COAL
SRC PROCESS
STAINLESS STEEL-18-8
STAINLESS STEELS
STEELS
TEMPERATURE EFFECTS