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06577 PREDICTION OF AMMONIUM BISULFIDE CORROSION AND VALIDATION WITH REFINERY PLANT EXPERIENCE

Picture for 06577 PREDICTION OF AMMONIUM BISULFIDE CORROSION
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Product Number: 51300-06577-SG
ISBN: 06577 2006 CP
Author: Richard J. Horvath, Russell D. Kane, Vishal V. Lagad, Michael S. Cayard, Walter G. Giesbrecht
Industry: Materials Selection and Design
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Corrosiveness of two separate hydroprocessing units was assessed with a corrosion prediction software tool developed under joint industry sponsorship. The predicted corrosion rates for the piping, using this software tool, were compared with actual field data. The results confirmed the accuracy of the corrosion prediction model incorporated into the software tool, as well as emphasized the need to incorporate both flow modeling and environment variables in the assessment for corrosiveness of alkaline sour water systems. These data and the associated software tool have been successfully used to provide significant economic benefit.

Keywords: refining, reactor effluent air cooler, REAC, sour water, ammonium bisulfide, NH 4 HS, hydrogen sulfide, H 2 S, hydroprocessing, software, materials selection
Corrosiveness of two separate hydroprocessing units was assessed with a corrosion prediction software tool developed under joint industry sponsorship. The predicted corrosion rates for the piping, using this software tool, were compared with actual field data. The results confirmed the accuracy of the corrosion prediction model incorporated into the software tool, as well as emphasized the need to incorporate both flow modeling and environment variables in the assessment for corrosiveness of alkaline sour water systems. These data and the associated software tool have been successfully used to provide significant economic benefit.

Keywords: refining, reactor effluent air cooler, REAC, sour water, ammonium bisulfide, NH 4 HS, hydrogen sulfide, H 2 S, hydroprocessing, software, materials selection
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Picture for 06576 PREDICTION AND ASSESSMENT OF AMMONIUM
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06576 PREDICTION AND ASSESSMENT OF AMMONIUM BISULFIDE CORROSION UNDER REFINERY SOUR WATER SERVICE CONDITIONS

Product Number: 51300-06576-SG
ISBN: 06576 2006 CP
Author: Richard J. Horvath, Michael S. Cayard, Russell D. Kane
Publication Date: 2006
$20.00

This paper summarizes results of a joint industry program (JIP) to address ammonium bisulfide (NH 4 HS) corrosion in H 2 S-dominated alkaline sour waters typically found in refinery services such as the reactor effluent air cooler (REAC) systems of hydroprocessing units.
Picture for Prediction and Assessment of Ammonium Bisulfide Corrosion Under Refinery Service Conditions - Part 3
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Prediction and Assessment of Ammonium Bisulfide Corrosion Under Refinery Service Conditions - Part 3

Product Number: 51317--8929-SG
ISBN: 8929 2017 CP
Author: Richard Horvath
Publication Date: 2017
$20.00

Summarizes results from Phase III of the joint industry program (JIP) on refinery alkaline sour water (ammonium bisulfide) corrosion. Phase III included a comprehensive engineering analysis of data from all three phases of the Sour Water JIP.
Picture for 10349 Prediction and Assessment of Ammonium Bisulfide Corrosion Under Refinery Sour Water
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10349 Prediction and Assessment of Ammonium Bisulfide Corrosion Under Refinery Sour Water Service Conditions-Part 2

Product Number: 51300-10349-SG
ISBN: 10349 2010 CP
Author: Richard J. Horvath, Vishal V. Lagad, Sridhar Srinivasan and Russell D. Kane
Publication Date: 2010
$20.00

This Phase II work in NH3-dominated sour waters studied the impact of several process variables including NH4HS concentration, NH3 partial pressure, H2S partial pressure, temperature, cyanide concentration, and velocity (wall shear stress).
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