WO2024089665 - METHODS AND SYSTEMS FOR IMPROVING ETHYLENE YIELD FROM ISO-PENTANE FEED BY REVERSE ISOMERIZATION AND SEPARATION
National phase entry:
Publication Number
WO/2024/089665
Publication Date
02.05.2024
International Application No.
PCT/IB2023/060860
International Filing Date
27.10.2023
Title **
[English]
METHODS AND SYSTEMS FOR IMPROVING ETHYLENE YIELD FROM ISO-PENTANE FEED BY REVERSE ISOMERIZATION AND SEPARATION
[French]
PROCÉDÉS ET SYSTÈMES POUR AMÉLIORER LE RENDEMENT EN ÉTHYLÈNE À PARTIR D'UNE CHARGE D'ISO-PENTANE PAR ISOMÉRISATION INVERSE ET SÉPARATION
Applicants **
SABIC GLOBAL TECHNOLOGIES B.V.
Inventors
ROY, Debdut S.
LAKHETE, Prashil Prakash
DESHPANDE, Hareesh Shamrao
Priority Data
22204392.9
28.10.2022
EP
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International Searching Authority |
EPO
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The Standard Agent's Assignment
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Legal Entity
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| Entry into National Phase under |
Chapter I
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2051 | |
| EPO | Filing, Examination, Granting | 8311 | |
| Japan | Filing, Examination, Granting | 2198 | |
| South Korea | Filing, Examination, Granting | 2035 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,335
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
Systems and methods for the higher yield production of ethylene from pentane hydrocarbon streams containing iso-pentane are provided. The methods may include supplying a pentane hydrocarbon stream containing iso-pentane to a first reverse isomerization unit to produce a first isomerized pentane stream containing n-pentane and iso-pentane. The method may further include separating, at a first separation unit, n-pentane from the first isomerized pentane stream to generate a first n-pentane stream and an iso-pentane rich stream. The method may also include supplying the iso-pentane rich stream to a second reverse isomerization unit to produce a second isomerized pentane stream containing n-pentane and iso-pentane and combining the second isomerized pentane stream and the first n-pentane stream to produce a n-pentane rich stream. The method may further include supplying the n- pentane rich stream to a steam cracker to produce a cracked product containing ethylene and propylene.[French]
L'invention concerne des systèmes et des procédés pour la production à haut rendement d'éthylène à partir de flux d'hydrocarbures de pentane contenant de l'iso-pentane. Les procédés peuvent comprendre la fourniture d'un flux d'hydrocarbures de pentane contenant de l'iso-pentane à une première unité d'isomérisation inverse pour produire un premier flux de pentane isomérisé contenant du n-pentane et de l'iso-pentane. Le procédé peut en outre comprendre la séparation, au niveau d'une première unité de séparation, de n-pentane à partir du premier flux de pentane isomérisé pour générer un premier flux de n-pentane et un flux riche en iso-pentane. Le procédé peut également comprendre la fourniture du flux riche en iso-pentane à une seconde unité d'isomérisation inverse pour produire un second flux de pentane isomérisé contenant du n-pentane et de l'iso-pentane et la combinaison du second flux de pentane isomérisé et du premier flux de n-pentane pour produire un flux riche en n-pentane. Le procédé peut en outre comprendre la fourniture du flux riche en n-pentane à un vapocraqueur pour produire un produit craqué contenant de l'éthylène et du propylène.