FERRITIC STEEL PARTS IN UREA PLANTS
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Mar 29, 2024
filing date -
Jul 5, 2019
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Abstract
The application provides in an aspect a process for producing urea in a urea plant comprising a high pressure synthesis section comprising a reactor, wherein the process comprises reacting NH3 feed and CO2 feed under urea formation conditions in said reactor to form a urea synthesis solution comprising urea, water, carbamate and ammonia, wherein the process further comprises contacting a carbamate-containing liquid stream with an equipment part of said high pressure synthesis section that is made of a ferritic steel alloy.
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