公开(公告)号：US10975006B2

公开(公告)日：2021-04-13

申请号：US16516687

申请日：2019-07-19

申请人： SCG Chemicals Company Limited ,  Sulzer Management AG

发明人： Zhongyi Ding ,  Sachin Joshi ,  Weihua Jin

IPC分类号： C07C5/27 ,  C07C7/08 ,  C07C7/14 ,  C07C7/12 ,  C07C7/00

摘要： Para-xylene production processes are disclosed, with such processes being integrated with extractive distillation or other separation to effectively separate, for example to remove and recover, ethylbenzene and other components that co-boil with the isomers of xylene. This allows for xylene isomerization, downstream of the separation of para-xylene from its other isomers, to be operated under milder conditions (e.g., liquid phase, absence of added hydrogen) without the need for ethylbenzene conversion. The associated decreased yields of byproducts such as light gases and non-aromatic hydrocarbons, together with the generation of purified ethylbenzene having value for styrene monomer production, can significantly improve overall process economics.

公开(公告)号：US10479743B2

公开(公告)日：2019-11-19

申请号：US15506363

申请日：2015-09-04

申请人： SCG CHEMICALS COMPANY LIMITED

发明人： Attapong Thirasak ,  Alisa Kammafoo ,  Arnat Prombunglum

IPC分类号： C07C7/08 ,  C07C7/06 ,  B01D3/36 ,  B01D3/40 ,  B01D3/38

摘要： Ethylbenzene can be separated from a C8 aromatics mixture containing ethylbenzene and a close boiling compound by extractive distillation using an extractive agent comprising a mixture of a chlorinated aromatic compound and another compound selected from furandione derivatives and organic nitriles.

公开(公告)号：US11969714B2

公开(公告)日：2024-04-30

申请号：US17430889

申请日：2020-02-10

申请人： SCG CHEMICALS COMPANY LIMITED

发明人： Aunchana Wangriya

IPC分类号： B01J23/78 ,  B01J21/08 ,  B01J21/10 ,  B01J23/00 ,  B01J27/236 ,  B01J29/40 ,  B01J35/00 ,  B01J35/30 ,  C07C1/24

CPC分类号： B01J23/78 ,  B01J21/08 ,  B01J21/10 ,  B01J23/002 ,  B01J27/236 ,  B01J29/40 ,  B01J35/19 ,  B01J35/397 ,  C07C1/24 ,  C07C2521/06 ,  C07C2521/08 ,  C07C2521/10 ,  C07C2523/755 ,  C07C2529/46

摘要： The present invention is concerned with a catalyst for the conversion of ethanol to 1,3-butadiene comprising a component A selected from the list consisting of zeolite, silicon dioxide, aluminium oxide, or any combination thereof; and a component Bcat comprising a mixed metal oxide, a catalyst precursor for the preparation of a catalyst for the conversion of ethanol to 1,3-butadiene comprising a component A selected from the list consisting of zeolite, silicon dioxide, aluminium oxide, or any combination thereof; and a component Bpre comprising a layered double hydroxide (LDH) as well as a process for the conversion of ethanol to 1,3-butadiene, in which said catalyst is used.

公开(公告)号：US10538644B2

公开(公告)日：2020-01-21

申请号：US15567993

申请日：2016-06-29

申请人： SCG Chemicals Company Limited ,  Thai Plastic and Chemicals Public Company Limited

发明人： Churat Tiyapiboonchaiya ,  Chantana Sae-Lim

IPC分类号： C08K5/12 ,  C08K5/101 ,  C08K13/02

摘要： The invention relates to a plasticizer composition comprising a terephthalic acid di-ester and an ester having the following formula (I): wherein R1 and R2 are the same or different and represent a straight chain, branched or cyclic hydrocarbyl group. R1 and R2 in formula (I) have from 1 to 15 carbon atoms. The invention further relates to a polymer composition comprising a plasticizer composition comprising a terephthalic acid di-ester and an ester having the following formula (I).

公开(公告)号：US10329220B2

公开(公告)日：2019-06-25

申请号：US15616975

申请日：2017-06-08

申请人： SCG CHEMICALS COMPANY LIMITED

发明人： Kongkiat Suriye ,  Wuttithep Jareewatchara ,  Pruphanya Lekngam ,  Anuwat Nonkhamwong ,  Kesada Sutthiumporn

IPC分类号： B01J21/06 ,  B01J21/12 ,  B01J21/14 ,  B01J21/18 ,  B01J23/28 ,  B01J23/36 ,  B01J29/40 ,  C07C5/333 ,  B01J21/10 ,  B01J23/30 ,  C07C6/04 ,  B01J38/02 ,  B01J38/12 ,  B01J35/00 ,  B01J21/08 ,  B01J23/92 ,  B01J29/08 ,  B01J29/90 ,  B01J37/08 ,  B01J37/18

摘要： The invention relates to a process for converting paraffin to olefin comprising the following steps: (a) providing a hydrocarbon feedstock containing at least one paraffin having 1 to 12 carbon atoms and at least one olefin having 2 to 12 carbon atoms; (b) providing a catalyst containing at least one Group VIA and/or Group VIIA transition metal on a solid support; (c) pretreating the catalyst by contacting the catalyst with at least one reducing gas and at least one oxidizing gas; and (d) contacting the hydrocarbon feedstock and the pretreated catalyst at a temperature in the range of 200° C. to 600° C., preferably 320° C. to 450° C. and to a catalyst for use therein.

公开(公告)号：US10329219B2

公开(公告)日：2019-06-25

申请号：US14782457

申请日：2014-03-28

申请人： SCG CHEMICALS COMPANY LIMITED

发明人： Kongkiat Suriye ,  Wuttithep Jareewatchara ,  Pruphanya Lekngam ,  Anuwat Nonkhamwong ,  Kesada Sutthiumporn

IPC分类号： C07C5/333 ,  B01J23/24 ,  B01J21/10 ,  B01J23/30 ,  C07C6/04 ,  B01J38/02 ,  B01J38/12 ,  B01J35/00 ,  B01J21/08 ,  B01J23/92 ,  B01J29/08 ,  B01J29/90 ,  B01J37/08 ,  B01J37/18

摘要： The invention relates to a process for converting paraffin to olefin comprising the following steps: (a) providing a hydrocarbon feedstock containing at least one paraffin having 1 to 12 carbon atoms and at least one olefin having 2 to 12 carbon atoms; (b) providing a catalyst containing at least one Group VIA and/or Group VIIA transition metal on a solid support; (c) pretreating the catalyst by contacting the catalyst with at least one reducing gas and at least one oxidizing gas; and (d) contacting the by hydrocarbon feedstock and the pretreated catalyst at a temperature in the range of 200° C. to 600° C., preferably 320° C. to 450° C. and to a catalyst for use therein.