Abstract
The erosion of steels commonly used in piping and containment vessels in coal liquefaction plants was investigated. The jet impingement type of test where coal-particle-containing liquids are directed at flat specimens was used to determine the erosion rates and mechanism of coal slurry erosion. The effects of steel heat treatments, slurry impingement angles and other slurry erosion test conditions on erosion rates are discussed. Microscopic analysis was used to determine the mechanism of erosion. Comparisons between liquid-solid particle erosion and gas-solid particle erosion are presented.
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