公开(公告)号：US20140235880A1

公开(公告)日：2014-08-21

申请号：US14259754

申请日：2014-04-23

Applicant: Eastman Chemical Company

Inventor： Ashfaq Schahanawaz Shaikh ,  Kenny Randolph Parker ,  Mesfin Ejerssa Janka ,  Lee Reynolds Partin

IPC: C07D307/68

CPC classification number: C07D307/68

Abstract: A process to produce a dry purified furan-2,5-dicarboxylic acid (FDCA) is described. After oxidation of 5-(hydroxymethyl)furfural (5-HMF), a crude FDCA stream is produced that is fed to a crystallization zone followed by a solid-liquid displacement zone to form a low impurity slurry stream. The solids in the low impurity slurry stream are dissolved in a dissolution zone to produce a hydrogenation feed that is hydrogenated in a hydrogenation reactor to generate a hydrogenated FDCA composition. The hydrogenated FDCA composition is routed to a crystallization zone to form a crystallized produce stream that is separated from liquid in a solid-liquid separation zone to generate a purified wet cake stream containing FDCA that can be dried in a drying zone to generate a dry purified FDCA product stream.

Abstract translation: 描述了制备干净的呋喃-2,5-二羧酸（FDCA）的方法。 在5-（羟甲基）糠醛（5-HMF）氧化之后，产生粗制FDCA流，将其送入结晶区，随后进行固 - 液置换区以形成低杂质浆料流。 将低杂质浆料流中的固体溶解在溶解区中以产生在氢化反应器中氢化以产生氢化FDCA组合物的氢化进料。 将氢化的FDCA组合物送至结晶区以形成在固液分离区中与液体分离的结晶产物流，以产生含有FDCA的纯化湿饼流，其可以在干燥区中干燥以产生干净的 FDCA产品流。

公开(公告)号：US20130192779A1

公开(公告)日：2013-08-01

申请号：US13687478

申请日：2012-11-28

Applicant: Eastman Chemical Company

Inventor： Kenny Randolph Parker ,  Daniel William Klosiewicz ,  Ramesh Chand Munjal ,  David J. Rogers, JR. ,  Dustin A. Tremaine

IPC: D21H13/24

CPC classification number: D21H17/58 ,  B01D11/0288 ,  B01D12/00 ,  C08G63/6886 ,  D21H13/24 ,  D21H15/10 ,  D21H21/18

Abstract: A process for producing a microfiber product stream, the process comprising: (A) contacting short cut multicomponent fibers having a length of less than 25 millimeters with a heated aqueous stream in a mix zone to produce a short cut multicomponent fiber slurry; (B) routing the short cut multicomponent fiber slurry and optionally, a heated aqueous stream, to a fiber opening zone to remove a portion of the water dispersible sulfopolyester to produce an opened microfiber slurry; and (C) routing the opened microfiber slurry to a primary solid liquid separation zone to produce the microfiber product stream and a first mother liquor stream.

Abstract translation: 一种制备超细纤维产品流的方法，该方法包括：（A）将长度小于25毫米的短切多组分纤维与混合区中的加热水流接触以产生短切多组分纤维浆料; （B）将短切多组分纤维浆料和任选地加热的含水物流布置到纤维开口区域以除去一部分水分散性磺基聚酯以产生开放的超细纤维浆料; 和（C）将开放的超细纤维浆料布置到主要固体液体分离区以产生超细纤维产物流和第一母液流。

公开(公告)号：US12215283B2

公开(公告)日：2025-02-04

申请号：US17594370

申请日：2020-05-22

Applicant: Eastman Chemical Company

Inventor： Daryl Bitting ,  Kenny Randolph Parker ,  Michael Gary Polasek ,  David Eugene Sllivensky ,  Xianchun Wu ,  Jerome Leonard Stavinoha, Jr.

IPC: C10G51/02 ,  C10G1/00 ,  C10G1/10

Abstract: Recycle content pyoil is cracked in a cracker furnace to make olefins and the coil outlet temperature of the r-pyoil fed coils can be lowered by adding r-pyoil to the cracker feedstock, or alternatively, the coil outlet temperature of the r-pyoil fed tubes can rise if the mass flow rates of the combined cracker stream containing r-pyoil are kept the same or lowered. Further, increasing the hydrocarbon mass flow rate by addition of r-pyoil can be achieved to also increase the output of ethylene and propylene in the cracker effluent. The cracker furnace can accept ethane and/or propane feedstocks in vapor form along with a liquid and/or vapor feed of r-pyoil.

公开(公告)号：US20250026729A1

公开(公告)日：2025-01-23

申请号：US18293923

申请日：2022-07-27

Applicant: Eastman Chemical Company

Inventor： Kenny Randolph Parker ,  Kevin John Fontenot ,  Mesfin Ejerssa Janka

IPC: C07D307/68 ,  B01J27/08 ,  B01J31/04

Abstract: Disclosed herein is a retrofit process to make 5-(alkoxycarbonyl)furan-2-carboxylic acids (ACFC) from feedstocks comprised of furoates. When a feedstock comprised of methyl 5-methylfuran-2-carboxylate (MMFC) is used a product comprised of (5-(methoxycarbonyl)furan-2-carboxylic acid (MCFC) is obtained in high yield.

公开(公告)号：US20240368474A1

公开(公告)日：2024-11-07

申请号：US18567956

申请日：2022-06-24

Applicant: Eastman Chemical Company

Inventor： Xianchun Wu ,  Daryl Bitting ,  Kenny Randolph Parker ,  Michael Gary Polasek ,  David Eugene Slivensky

IPC: C10G1/10 ,  C10G9/40

Abstract: Processes and facilities for providing recycled content hydrocarbon products (r-products) from recycled content pyrolysis oil (r-pyoil) and recycled content pyrolysis gas (r-pygas). Processing schemes provided herein maximize use of recycled content pyrolysis products to provide a variety of recycled content end products.

公开(公告)号：US12018220B2

公开(公告)日：2024-06-25

申请号：US17593383

申请日：2020-05-22

Applicant: Eastman Chemical Company

Inventor： Daryl Bitting ,  Kenny Randolph Parker ,  Michael Gary Polasek ,  David Eugene Slivensky ,  Xianchun Wu ,  Jerome Leonard Stavinoha, Jr.

IPC: C10G9/00 ,  C10G1/00 ,  C10G1/10 ,  C10G9/14

CPC classification number: C10G9/00 ,  C10G1/002 ,  C10G1/10 ,  C10G2300/1003 ,  C10G2400/20

Abstract: A predominantly C2 to C4 hydrocarbon cracker stream is combined with recycle content pyrolysis oil to form a combined cracker stream and the combined cracker stream is cracked in a cracker furnace to provide an olefin-containing effluent. The r-pyoil can be fed to a first coil while a second cracker feed with none of the r-pyoil or less of the r-pyoil is fed to a second coil, and both are cracked in a cracker furnace to form an olefin-containing effluent stream. Alternatively, the r-pyoil can be fed and distributed across multiple coils along with the non-recycle cracker feed. The furnace can be a gas fed furnace, or split cracker furnace. Further, a first cracker stream with r-pyoil in a first coil can have a lower total molar flow rate than a second cracker stream in a second coil in the same furnace.

公开(公告)号：US11787754B2

公开(公告)日：2023-10-17

申请号：US17657978

申请日：2022-04-05

Applicant: Eastman Chemical Company

Inventor： Xianchun Wu ,  Daryl Bitting ,  Kenny Randolph Parker ,  Michael Gary Polasek ,  David Eugene Slivensky

IPC: C07C4/06 ,  C07C4/04 ,  B01J8/24

CPC classification number: C07C4/06 ,  B01J8/24 ,  C07C4/04

Abstract: Processes and systems for making recycle content hydrocarbons, including olefins, are provided that integrate a cracker unit with one or more other processing units. For example, in some cases, a fluidized catalytic cracking unit may be used to crack recycle content pyrolysis oil and the effluent from the FCC may be further processed in a conventional cracker unit, including its downstream separation zone, to provide recycle content hydrocarbon product stream. In other cases, a pyrolysis unit and cracking unit may be co-located and may share at least one utility, service group, boundary, conduit, energy exchange zone, and/or geographical area.

公开(公告)号：US11639579B2

公开(公告)日：2023-05-02

申请号：US16522973

申请日：2019-07-26

Applicant: Eastman Chemical Company

Inventor： Kenny Randolph Parker ,  Charles Stuart Everett ,  Melvin Glenn Mitchell

IPC: D21H15/10 ,  D21H15/04 ,  D21H11/20 ,  D21H11/14

Abstract: A recycled cellulose pulp composition is provided which comprises recycled cellulosic fibers and cellulose ester staple fibers. A wet-laid fibrous product is also provided which comprises recycled cellulosic fibers and cellulose ester staple fibers. A bailed article is also provided that comprises recycled cellulosic fibers and cellulose ester staple fibers. In embodiments, the recycled cellulosic fibers are present in an amount of 50 wt % or more, based on the total dry weight of fibers, and the cellulose ester staple fibers are present in an amount sufficient to increase the Canadian standard freeness (CSF) of the composition by 5% or more compared to a 100 wt % cellulosic fiber pulp composition processed under similar conditions.

公开(公告)号：US20230002524A1

公开(公告)日：2023-01-05

申请号：US17755351

申请日：2020-11-06

Applicant: Eastman Chemical Company

Inventor： David Eugene Slivensky ,  Daryl Bitting ,  Kenny Randolph Parker ,  Michael Gary Polasek ,  William Lewis Trapp ,  Xianchun Wu

IPC: C08F116/38 ,  C10G1/02

Abstract: A poly(vinyl acetal) composition, such as a poly(vinyl butyral) composition or resin, can be made containing recycle content by the use of a recycle content aldehyde composition as a feedstock to make the PVA or by application of a recycle allotment, such as an allocation or credit, applied to either the aldehyde composition or to the PVA composition. The recycle content is obtained by cracking a recycle content pyrolysis oil to make a variety of olefins, such as propylene or ethylene.

公开(公告)号：US20220403053A1

公开(公告)日：2022-12-22

申请号：US17755634

申请日：2020-11-06

Applicant: Eastman Chemical Company

Inventor： David Eugene Slivensky ,  Daryl Bitting ,  Kenny Randolph Parker ,  Michael Gary Polasek ,  William Lewis Trapp ,  Xianchun Wu

IPC: C08B3/18 ,  C08J11/12 ,  C10G1/02 ,  C10G3/00

Abstract: A recycle content cellulose ester and method of making a recycle content cellulose ester wherein the recycle content is derived directly or indirectly from the cracking of recycle content pyrolysis oil and/or gas. The cracking of the pyrolysis oil can be conducted in a gas furnace or a split furnace.