Michael R Resetarits

US Patent:

6962661, Nov 8, 2005

Filed:

Sep 2, 2003

Appl. No.:

10/605027

Inventors:

Michael Robert Resetarits - Depew NY, US
Neil Anthony Sandford - Wichita KS, US
Pamela Jo Tokerud - Wichita KS, US
Gary Wayne Gage - Grand Prairie TX, US
Veada Colic - Dallas TX, US

Assignee:

Kellogg Brown & Root, Inc. - Houston TX

International Classification:

B01D011/00

US Classification:

210634, 196 1452, 208317, 210511, 422256

Abstract:

Method and apparatus for contacting two liquid phases for liquid-liquid extraction in a vertical extraction vessel. A relatively heavier liquid phase, descending the extraction vessel at a relatively low volumetric flow rate, is dispersed into a continuous phase comprising a relatively lighter liquid rising through the extraction vessel at a relatively high flow rate. Sieve trays are provided with adjustable active areas and overlapping manways for personnel access.

US Patent:

7028995, Apr 18, 2006

Filed:

Jul 28, 2003

Appl. No.:

10/632001

Inventors:

Ralph H. Weiland - Coalgate OK, US
Charles A. Griesel - Red Oak TX, US
Michael R. Resetarits - Depew NY, US
Johnny B. Riter - Wichita KS, US

Assignee:

Koch-Glitsch, LP - Wichita KS

International Classification:

B01F 3/04

US Classification:

2611141, 2611145

Abstract:

A mass transfer column () is provided with an external shell defining an open internal region. Centrifugal contact trays () and return contact trays () are positioned in an alternating and vertically spaced apart relationship within the open internal region. Each contact tray has a plurality of vapor passages () for allowing vapor to flow upwardly through the tray deck to interact with liquid on the surface of the tray deck. At least one center downcomer () extends downwardly at an opening in the return tray deck and has a lower discharge outlet spaced above the centrifugal tray deck for feeding liquid onto the centrifugal tray deck. A rotation-inducing element may be placed within the center downcomer () to induce a rotational motion in liquid exiting the center downcomer (). At least one annular downcomer () extends downwardly the periphery of the centrifugal tray deck and has a lower discharge outlet spaced about the return tray deck for feeding liquid onto the return tray deck. At least one of the centrifugal contact trays is positioned a greater distance above an adjacent return contact tray than the distance at least one of the return contact trays is positioned above an adjacent centrifugal contact tray.

US Patent:

20040130041, Jul 8, 2004

Filed:

Jun 25, 2003

Appl. No.:

10/606308

Inventors:

Michael Resetarits - Depew NY, US
Charles Griesel - Red Oak TX, US
Johnny Riter - Wichita KS, US
Ralph Weiland - Coalgate OK, US

International Classification:

B01F003/04

US Classification:

261/079200, 261/114100

Abstract:

A vapor-liquid contact tray () is provided with a tray deck () having at least one opening for removing liquid from an upper surface of the tray deck and a plurality of vapor passages () for allowing vapor to flow upwardly through the tray deck to interact with the liquid on the upper surface. At least one can () extends upwardly from the tray deck and is formed by a perimeter wall (). A downcomer () is interposed within the can to provide a passageway for liquid and has an upper inlet ()for liquid entry, and a lower outlet () above the tray deck () for feeding liquid into the can and onto the tray deck. A plurality of deflector blades () are positioned above the tray deck to induce a swirling movement in the vapor ascending into the can. The portion of the tray deck surrounded by the perimeter wall of the can contains sieve holes, valves or other types of vapor passages. The tray may further include a sleeve (), a plurality of cans () of two or more sizes or combinations thereof.

US Patent:

57075638, Jan 13, 1998

Filed:

Sep 5, 1996

Appl. No.:

8/711763

Inventors:

Daniel R. Monkelbaan - Amherst NY
Michael R. Resetarits - Depew NY
Robert J. Miller - Houston TX

Assignee:

UOP - Des Plaines IL

International Classification:

B01F 304

US Classification:

261 98

Abstract:

High capacity, low cost fractionation trays are formed from a number of adjacent triangular (v-shaped) downcomer modules. The trays are free of the horizontal perforated decking surface of conventional trays. The downcomer modules have perforations only in a bottom region for liquid passage and in an upper region for vapor passage, with the central portion of the two inclined downcomer sidewalls being imperforate. The difference in elevation between the bottom region and upper region is considerably larger than a ripple tray. A layer of packing material may be provided close to or adjacent the bottom surface of the tray.

US Patent:

55543294, Sep 10, 1996

Filed:

Mar 13, 1995

Appl. No.:

8/403154

Inventors:

Daniel R. Monkelbaan - Amherst NY
Michael R. Resetarits - Depew NY
Robert J. Miller - Niagara Falls NY

Assignee:

UOP - Des Plaines IL

International Classification:

B01F 304

US Classification:

261 98

Abstract:

High capacity, low cost fractionation trays are formed from a number of adjacent triangular (v-shaped) downcomer modules. The trays are free of the horizontal perforated decking surface of conventional trays. The downcomer modules have perforations only in a bottom region for liquid passage and in an upper region for vapor passage, with the central portion of the two inclined downcomer sidewalls being imperforate. The difference in elevation between the bottom region and upper region is considerably larger than a ripple tray. A layer of packing material may be provided close to or adjacent the bottom surface of the tray.

US Patent:

61130796, Sep 5, 2000

Filed:

Mar 24, 1999

Appl. No.:

9/275281

Inventors:

Nicholas F. Urbanski - Depew NY
Thomas C. Heldwein - Lockport NY
Lawrence S. Graczyk - Orchard Place NY
Michael R. Resetarits - Depew NY

Assignee:

UOP LLC - Des Plaines IL

International Classification:

B01F 304

US Classification:

2611145

Abstract:

A novel fractionation tray (1) includes slidable decking plates (4) located between and alongside parallel downcomers (2). The decking plates located between a pair of downcomers have sections which may be extended outward toward the edge of the tray to adapt the shape of the tray to the internal shape of the column in which it is installed. A method of installing the trays, with an upper tray being supported only by a lower tray, is also disclosed.

US Patent:

52098753, May 11, 1993

Filed:

Dec 30, 1991

Appl. No.:

7/814541

Inventors:

Robert J. Miller - Niagara Falls NY
Michael R. Resetarits - Depew NY
Daniel R. Monkelbaan - Amherst NY

Assignee:

UOP - Des Plaines IL

International Classification:

B01F 304

US Classification:

2611141

Abstract:

The efficiency of multiple downcomer type fractionation trays is improved by the provision of an individual antipenetration pan located under each set of openings in the bottom of the box-like downcomers. The pans preferably comprise perforated planar sheets and have raised lips along two opposing edges to retard significant liquid runoff along the edges parallel to the downcomer end walls. The pans are parallel to the main tray surface and located intermediate the downcomers and the upper surface of the next lower tray.

US Patent:

54076056, Apr 18, 1995

Filed:

Dec 16, 1993

Appl. No.:

8/167297

Inventors:

Michael R. Resetarits - Depew NY
Daniel R. Monkelbaan - Amherst NY
Robert J. Miller - Niagara Falls NY

Assignee:

UOP - Des Plaines IL

International Classification:

B01F 304

US Classification:

261 98

Abstract:

High capacity, low cost fractionation trays comprise a flat perforated decking surface sectioned into parallel contacting areas by triangular downcomers. The bottom edges of two inclined sidewalls join together to form V-shaped downcomers having a limited number of perforations in their sidewalls to allow downward liquid passage. An imperforate zone is present in the central region of each sidewall. A layer of packing material may be provided close to or adjacent the bottom surface of the tray. The packing is located in the disengagement zone under the tray but does not extend downward to the next tray below.