Exxonmobil Research and Engineering Company

Thomas Bruno

Ian A Cody

Glen Barry Brons

Mark Alan Greaney

ChangMin Chun

Trikur Anantharaman Ramanarayanan

Mohsen Shahmirzadi Yeganeh

Thomas M Rudy

Ashley E Cooper

James Edward Feather

Robert P Lucchesi

Leroy Russell Clavenna

Geoffrey Marshall Keiser

Jessica L Vreeland

LeRoy A Clavenna

Clifford Hay

Raymond John Kennedy

Himanshu Joshi

Leo Dale Brown

Apparatus, processes, and systems for removal of solids from a hydrocarbon stream. The present disclosure utilizes a surfactant to reduce interfacial tension between a hydrocarbon phase and a water (or aqueous) phase to promote solids to be pulled by gravity out of the hydrocarbon phase and into the water phase.

Apparatus and methods to remove solids from hydrocarbon streams

A method and device for reducing sulfidation corrosion and depositional fouling in heat transfer components within a refining or petrochemical facility is disclosed. The heat transfer components are formed from a corrosion and fouling resistant steel composition containing a Cr-enriched layer having a surface roughness of less than 40 micro inches (1.1 &#x3bc;m) and a protective layer formed thereon.

Corrosion resistant material for reduced fouling, a heat transfer component having reduced fouling and a method for reducing fouling in a refinery

A method of providing sulfidation corrosion resistance and corrosion induced fouling resistance to a heat transfer component surface includes providing a silicon containing steel composition including an alloy and a Si-partitioned non-metallic film formed on a surface of the alloy. The alloy is formed from the composition &#x3b7;, &#x3b8;,and &#x3c4;, in which &#x3b7; is a metal selected from the group consisting of Fe, Ni, Co, and mixtures thereof, &#x3b8; is Si, and &#x3c4; is at least one alloying element selected from the group consisting of Cr, Al, Mn, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Sc, La, Y, Ce, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au, Ga, Ge, As, In, Sn, Sb, Pb, B, C, N, P, O, S and mixtures thereof. The Si-partitioned non-metallic film comprises at least one of sulfide, oxysulfide and mixtures thereof.

Silicon-containing steel compostition with improved heat exchanger corrosion and fouling resistance

A method of providing sulfidation corrosion resistance and corrosion induced fouling resistance for a heat transfer component is disclosed. The heat transfer component includes a heat exchange surface formed from a chromium-enriched oxide containing material formed from the composition &#x3b4;, &#x3b5;, and &#x3b6;, wherein &#x3b6; is a steel containing at least about 5 to about 40 wt. % chromium, &#x3b5; is a chromium enriched oxide (MOor MOor mixtures thereof) formed on the surface of the steel &#x3b6;, wherein M is a metal containing at least 5 wt. % Cr based on the total weight of the metal M, and &#x3b4; is a top layer formed on the surface of the chromium-enriched oxide &#x3b5;, comprising sulfide, oxide, oxysulfide, and mixtures thereof. The top layer &#x3b4; comprises iron sulfide (FeS), iron oxide (FeO), iron oxysulfide, iron-chromium sulfide, iron-chromium oxide, iron-chromium oxysulfide, and mixtures thereof. The metal M of the chromium enriched oxide (MOor MOor mixtures thereof) may comprise Fe, Cr, and constituting elements of the steel &#x3b6;. The steel &#x3b6; may be selected from low chromium steels, ferritic stainless steels, martensitic stainless steels, austenitic stainless steels, duplex stainless steels and precipitation-hardenable alloys.

Chromiun-enriched oxide containing material and preoxidation method of making the same to mitigate corrosion and fouling associated with heat transfer components

An insert for reducing sulfidation corrosion and depositional fouling is disclosed. The insert is formed from a corrosion and fouling resistant steel composition containing a Cr-enriched layer and having a surface roughness of less than 40 micro inches (1.1 &#x3bc;m).

Insert and method for reducing fouling in a process stream

A heat transfer component that is resistant to both corrosion and fouling is disclosed having a heat exchange surface formed from a silicon containing steel composition including an alloy and a non-metallic film formed on a surface of the alloy. The alloy is formed from the composition &#x3b7;, &#x3b8;, and &#x3c4;, in which &#x3b7; is a metal selected from the group consisting of Fe, Ni, Co, and mixtures thereof, &#x3b8; is Si, and &#x3c4; is at least one alloying element selected from the group consisting of Cr, Al, Mn, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Sc, La, Y, Ce, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au, Ga, Ge, As, In, Sn, Sb, Pb, B, C, N, P, O, S and mixtures thereof. The non-metallic film comprises sulfide, oxide, carbide, nitride, oxysulfide, oxycarbide, oxynitride and mixtures thereof. The surface roughness of the heat transfer component is less than 40 micro inches.

Silicon-containing steel composition with improved heat exchanger corrosion and fouling resistance

A method and device for reducing sulfidation corrosion and depositional fouling in heat transfer components within a refining or petrochemical facility is disclosed. The heat transfer components are formed from a corrosion and fouling resistant steel composition containing a Cr-enriched layer and having a surface roughness of less than 40 micro inches (1.1 &#x3bc;m).

A heat transfer component that is resistant to corrosion and fouling is disclosed. The heat transfer component includes a heat exchange surface formed from a chromium-enriched oxide containing material formed from the composition &#x3b4;, &#x3b5;, and &#x3b6;, wherein &#x3b6; is a steel containing at least about 5 to about 40 wt. % chromium, &#x3b5; is a chromium enriched oxide (MOor MOor mixtures thereof) formed on the surface of the steel &#x3b6;, wherein M is a metal containing at least 5 wt. % Cr based on the total weight of the metal M, and &#x3b4; is a top layer formed on the surface of the chromium-enriched oxide &#x3b5;, comprising sulfide, oxide, oxysulfide, and mixtures thereof. The top layer &#x3b4; comprises iron sulfide (FeS), iron oxide (FeO), iron oxysulfide, iron-chromium sulfide, iron-chromium oxide, iron-chromium oxysulfide, and mixtures thereof. The metal M of the chromium enriched oxide (MOor MOor mixtures thereof) may comprise Fe, Cr, and constituting elements of the steel &#x3b6;. The steel &#x3b6; may be selected from low chromium steels, ferritic stainless steels, martensitic stainless steels, austenitic stainless steels, duplex stainless steels and precipitation-hardenable alloys.

Chromium-enriched oxide containing material and preoxidation method of making the same to mitigate corrosion and fouling associated with heat transfer components

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Raritan, NJ, United States of America

Thomas Bruno