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00684 TITANIUM - PROVEN PERFORMANCE IN HYDROCARBON PROCESSING

Picture for 00684 TITANIUM - PROVEN PERFORMANCE IN HYDROCARBON
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Product Number: 51300-00684-SG
ISBN: 00684 2000 CP
Author: Pieter Blauvelt, Dave Rowan, Brent Wiley, Jim McMaster
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In 1969, the Delaware Refinery, was the first in North America to install titanium tubes as part of its effort to combat severe corrosion of the copper nickel alloys from corrosive lower Delaware River Water. where chloride concentrations normally range from 100 to 2500 ppm, but can range as high as 12,000 ppm at pH 6.5 to 9.8. Since then over 640,000 meters (2.1 million feet) of titanium tubing, mainly 19.05 mm OD x 0.9 mm wall (3/4" x .035") welded tubing, have been installed in about 140 exchangers in a wide variety of services. There has never been a waterside corrosion failure of titanium. In some cases, tubes have outlasted the other components and have been salvaged for re-assembly in a replacement bundle. Success with tubing has led to wider use of titanium for tubesheets, baffles and tie rods, waterboxes and complete shells. The most severe combination of temperature and pressure on the process side is in the Desulfurizer Product Condensers, which have 171°C (340°F) inlet temperatures and operate at 765 psi& Refinery records indicate that there was only one process side corrosion failure, believed to be galvanically induced hydrogen embrittlement in rich monoethanolamine (MEA) operating at 120°C (250°F). There have been a few vibration failures, both baffle and mid-span collision damage, that were corrected by changes in mechanical design. Future directions for application of titanium in refineries are expected to include more original specification of titanium, use of new more corrosion resistant or stronger alloys, lighter tube wall, welded tube to tubesheet joints, titanium waterboxes and shells, piping, tower internals, complete vessels, and other components. Process design will better utilize the unique properties of titanium, for example, by using higher velocities in heat exchangers to reduce capital cost. and improve thermal efficiency. Keywords: Titanium, titanium alloys, heat exchangers, tubing, refining, corrosion, service experience
In 1969, the Delaware Refinery, was the first in North America to install titanium tubes as part of its effort to combat severe corrosion of the copper nickel alloys from corrosive lower Delaware River Water. where chloride concentrations normally range from 100 to 2500 ppm, but can range as high as 12,000 ppm at pH 6.5 to 9.8. Since then over 640,000 meters (2.1 million feet) of titanium tubing, mainly 19.05 mm OD x 0.9 mm wall (3/4" x .035") welded tubing, have been installed in about 140 exchangers in a wide variety of services. There has never been a waterside corrosion failure of titanium. In some cases, tubes have outlasted the other components and have been salvaged for re-assembly in a replacement bundle. Success with tubing has led to wider use of titanium for tubesheets, baffles and tie rods, waterboxes and complete shells. The most severe combination of temperature and pressure on the process side is in the Desulfurizer Product Condensers, which have 171°C (340°F) inlet temperatures and operate at 765 psi& Refinery records indicate that there was only one process side corrosion failure, believed to be galvanically induced hydrogen embrittlement in rich monoethanolamine (MEA) operating at 120°C (250°F). There have been a few vibration failures, both baffle and mid-span collision damage, that were corrected by changes in mechanical design. Future directions for application of titanium in refineries are expected to include more original specification of titanium, use of new more corrosion resistant or stronger alloys, lighter tube wall, welded tube to tubesheet joints, titanium waterboxes and shells, piping, tower internals, complete vessels, and other components. Process design will better utilize the unique properties of titanium, for example, by using higher velocities in heat exchangers to reduce capital cost. and improve thermal efficiency. Keywords: Titanium, titanium alloys, heat exchangers, tubing, refining, corrosion, service experience
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Picture for 00691 EXPERIENCE WITH TITANIUM HEAT EXCHANGERS
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00691 EXPERIENCE WITH TITANIUM HEAT EXCHANGERS IN REFINERY SERVICES

Product Number: 51300-00691-SG
ISBN: 00691 2000 CP
Author: Deyuan Fan, William C. Fort ili, Richard J. Horvath
Publication Date: 2000
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Several experiences with the use of titanium heat exchangers in refining processes are summarized. These involve distillation column overhead condensers in atmospheric crude distilling units, fluid catalytic cracking units, delayed coking units, and sour water strippers. The causes of problems are discussed. Needs for additional data are highlighted.
Picture for 09078 Experience with Titanium Alloys for Oil and Gas Service
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09078 Experience with Titanium Alloys for Oil and Gas Service

Product Number: 51300-09078-SG
ISBN: 09078 2009 CP
Author: Bruce D. Craig and Russell D. Kane
Publication Date: 2009
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Picture for 07183 Corrosion Performance of Titanium Grade 38
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07183 Corrosion Performance of Titanium Grade 38

Product Number: 51300-07183-SG
ISBN: 07183 2007 CP
Author: Patrick A. Snow
Publication Date: 2007
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Alloys of Titanium were compared. Results of crevice corrosion, U-bend, and general corrosion tests in various different media are discussed in this paper. These tests were conducted in order to better understand how Grade 38 compares to common titanium alloys.
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