The performance of various commercial alloys in eastern oil shale retorting environments is being investigated by exposing corrosion coupon racks in various operating bench scale and pilot plant size retorts. The results of exposures conducted in process development units (PDUs) operating on eastern oil shales are described and compared with the previous available data. The observed wastage rates indicate that carbon steel and other low allow steels may not be adequate for some high temperature applications, and alternative alloys may be required. The results also show that in applications where erosion/abrasion and corrosion resistance is required, even hardfacing alloys may not be acceptable.

Subject
Scale morphologies, Materials, Corrosion resistant alloys, Corrosion rate, Metal wastage, Shale, Corrosion scales, Wastage, Carbon steel, Corrosion coupons, Stainless steel, Alloys, Oil
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1984
Association for Materials Protection and Performance (AMPP)
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