公开(公告)号：US20230415083A1

公开(公告)日：2023-12-28

申请号：US18463695

申请日：2023-09-08

Applicant: UOP LLC

Inventor： Zhanping Xu

IPC: B01D46/00 ,  B01D3/28 ,  B01D3/32 ,  B01J19/32 ,  B01D1/30

CPC classification number: B01D46/0009 ,  B01D3/28 ,  B01D3/326 ,  B01J19/32 ,  B01D1/305 ,  B01J2219/32234 ,  B01J2219/32408

Abstract: A high capacity and high efficiency vapor-liquid contacting apparatus and process is useful in distillation columns and other vapor-liquid contacting processes. The apparatus is characterized by a half module comprising a downcomer against a shell of a vessel for transporting liquid to a subjacent stage which utilizes a demister to effect vapor-liquid separation at the downcomer outlet.

公开(公告)号：US20220331709A1

公开(公告)日：2022-10-20

申请号：US17646189

申请日：2021-12-28

Applicant: UOP LLC

Inventor： Zhanping Xu ,  Brian J. Nowak

IPC: B01D3/32 ,  B01D3/18

Abstract: Distillation trays having improved efficiency and capacity are described. The improvement is accomplished with unique downcomer spout arrangements and bubble promoters which provide equal liquid distribution to all areas of the tray. The ratio of the open area of a contacting zone including part of a bubble promoter and associated deck zone over the open area of the downcomer spout zone on the adjacent tray for distributing liquid to the zone is essentially the same across the tray.

公开(公告)号：US11207650B1

公开(公告)日：2021-12-28

申请号：US17038049

申请日：2020-09-30

Applicant: UOP LLC

Inventor： Rebecca Mudrock ,  Pengfei Chen ,  Zhanping Xu

IPC: B01J8/00 ,  B01J8/02 ,  B01J8/04

Abstract: The hydroprocessing reactor quench zone internals comprise a collection tray, a mixing chamber, a ring quench distributer, a rough liquid distribution tray, and a vapor-liquid distribution tray. The rough liquid distribution tray has a central pan for receiving vapor and liquid out of the mixing chamber and multiple fluid distribution troughs attached to the central pan that extended radially outwards with the outer end close to the reactor shell. The fluid distribution troughs can include at least one longitudinal baffle, or at least one cross baffle, or both, and optionally an end baffle. The baffles improve the liquid and/or vapor flow in the rough liquid distribution tray.

公开(公告)号：US20210275938A1

公开(公告)日：2021-09-09

申请号：US16811103

申请日：2020-03-06

Applicant: UOP LLC

Inventor： Brian J. Nowak ,  Zhanping Xu ,  Peter J. Wantuck

IPC: B01D3/18 ,  B01D3/16 ,  B01D3/32

Abstract: Trays having increased capacity and efficiency are described. The trays have a deck, and downcomers extending through the deck. There are a plurality of bubble promoters on the deck. Each bubble promoter defines a zone on the deck, and the zone has an opening in the deck. The opening is positioned adjacent to a solid support for the tray. The bubble promoters provide areas through which vapor can passing, turning blocked areas of the tray into active areas. Mass transfer columns containing the trays are also described.

公开(公告)号：US20210170300A1

公开(公告)日：2021-06-10

申请号：US16707029

申请日：2019-12-09

Applicant: UOP LLC

Inventor： Zhanping Xu ,  Rebecca Mudrock

IPC: B01D3/20 ,  B01D3/32

Abstract: Multiple downcomer trays having increased active area for vapor-liquid contact and separation are described. The increased active area of the tray is achieved by adding raised bubble promoters surrounded by perforated vertical contactors on the tray deck. The bubble promoters and surrounding vertical contactors are located under the downcomers from the tray above. The bubble promoter and surrounding vertical contactor promote uniform fluid flow and contact.

公开(公告)号：US10722861B2

公开(公告)日：2020-07-28

申请号：US15987859

申请日：2018-05-23

Applicant: UOP LLC

Inventor： Eric Leeton ,  Kurt Detrick ,  Christian D. Freet ,  David S. Lafyatis ,  Robert Mehlberg ,  Sean G. Mueller ,  Gregory J. Schrad ,  Zhanping Xu

IPC: B01J19/24 ,  C07C2/58

Abstract: Reactor systems for use with ionic liquid catalyst. The reactor systems include one or more stages, which include a reactor and a heat exchanger, and a separation zone. The reactor and the heat exchanger may have a vertical orientation. Additionally, a separation vessel may also include a vertical orientation. The heat exchanger may allow for linear flow of process fluid to control residence time.

公开(公告)号：US10596498B2

公开(公告)日：2020-03-24

申请号：US14700919

申请日：2015-04-30

Applicant: UOP LLC

Inventor： Pengfei Chen ,  Zhanping Xu ,  Xiaoming Wen

IPC: B01D39/12 ,  B01D17/04

Abstract: Separation processes and separation apparatus are described. The process includes introducing a stream of liquid containing dispersed droplets of another liquid into a separation apparatus comprising a vessel having at least one mesh screen covering substantially all of the cross-section of the vessel. The mesh screen is periodically slightly moved so that the wires of the mesh screen contact the dispersed droplets and some of the dispersed droplets coalesce on the wires. The coalesced droplets rise or fall from the wires through the stream of the second liquid. The coalesced droplets are collected in a portion of the vessel. A stream of the second liquid having a reduced level of dispersed droplets is recovered.

公开(公告)号：US10576439B2

公开(公告)日：2020-03-03

申请号：US16221157

申请日：2018-12-14

Applicant: UOP LLC

Inventor： Zhanping Xu

IPC: B01J8/00 ,  B01D24/22 ,  B01D29/25 ,  B01D24/12

Abstract: The invention involves a scale collection device that is located within downflow reactor head for removing solids from feed streams to increase reactor operating cycle time without impact on effective reactor space for catalyst loading. More particularly, a filtering zone is located in an upper portion of a reactor vessel above a rough liquid distribution tray and a distribution tray.

公开(公告)号：US10549249B2

公开(公告)日：2020-02-04

申请号：US16221241

申请日：2018-12-14

Applicant: UOP LLC

Inventor： Zhanping Xu ,  Steven J. Lesniak ,  Robert L. Bunting, Jr.

IPC: B01J8/00 ,  B01D24/12

Abstract: The invention involves a scale collection device that is located within downflow reactor head for removing solids from feed streams to increase reactor operating cycle time without impact on effective reactor space for catalyst loading. More particularly, a filtering zone is located in an upper portion of a reactor vessel above a rough liquid distribution tray and a distribution tray.

公开(公告)号：US20190299117A1

公开(公告)日：2019-10-03

申请号：US15938993

申请日：2018-03-28

Applicant: UOP LLC

Inventor： Zhanping Xu ,  Emadoddin Abbasi

IPC: B01D3/20 ,  B01D3/22 ,  B01F3/04

Abstract: The present invention relates to an apparatus for gas-liquid contacting and gas distribution in a bubble contactor. More specifically, the present invention relates to a gas-liquid distribution device that may be used in an ionic liquid co-current gas and liquid up-flow regenerator designed to distribute gas uniformly across the regenerator cross section through restriction orifices on a distribution plate with liquid upcomers.