公开(公告)号：US10329223B2

公开(公告)日：2019-06-25

申请号：US15187005

申请日：2016-06-20

Applicant: RELIANCE INDUSTRIES LIMITED

Inventor： Manoj Yadav ,  Asit Kumar Das ,  Sukumar Mandal ,  Amitkumar Parekh ,  Nilamkumar Limbasiya

IPC: C07C7/04 ,  C07C7/09 ,  C07C7/11 ,  C10L3/12 ,  C10G11/18 ,  C07C7/00 ,  C10G70/04 ,  C10G70/06

Abstract: The present invention provides a process for recovery of propylene and LPG from the fuel gas produced in FCC unit by contacting a heavier hydrocarbon feed with FCC catalyst. The process provides an energy efficient configuration for revamping an existing unit constrained on wet gas compressor capacity or for designing a new gas concentration unit to recover propylene and LPG recovery beyond 97 mole %. The process of the present invention provides an increase propylene and LPG recovery without loading wet gas compressor with marginal increase in liquid loads.

公开(公告)号：US09550708B2

公开(公告)日：2017-01-24

申请号：US14459690

申请日：2014-08-14

Applicant: Reliance Industries Limited

Inventor： Sukumar Mandal ,  Manoj Yadav ,  Amitkumar Parekh ,  Asit Kumar Das ,  Shubhangi Jaguste ,  Praveen Kumar Chinthala ,  Gopal Ravichandran ,  Mahesh Marve ,  Ajit Sapre

IPC: C07C4/06 ,  C10G11/18 ,  B01J29/08 ,  B01J29/40 ,  B01J29/80 ,  B01J29/90 ,  B01J38/30

CPC classification number: C07C4/06 ,  B01J29/084 ,  B01J29/40 ,  B01J29/80 ,  B01J29/90 ,  B01J38/30 ,  C07C2529/06 ,  C07C2529/40 ,  C10G11/18 ,  C10G11/182 ,  C10G11/185

Abstract: A process for catalytic conversion of low value hydrocarbon streams to light olefins in comparatively higher yields is disclosed. Propylene is obtained in amounts higher than 20 wt. % and ethylene higher than 6 wt. %. The process is carried out in a preheated cracking reactor having a single riser and circulating an FCC catalyst. The riser is divided into three temperature zones in which different hydrocarbon feeds are introduced. An oxygenate feed is introduced in the operative top zone in the riser. Heat for the endothermic cracking is obtained by the exothermic reaction of converting the oxygenate feed into gas and/or from a regenerator in which the spent FCC catalyst is burnt.

Abstract translation: 公开了以较低产率将低价值烃流催化转化成轻质烯烃的方法。 获得的丙烯的量高于20wt。 ％和乙烯高于6wt。 ％。 该方法在具有单个提升管并循环FCC催化剂的预热的裂解反应器中进行。 提升管分为三个温度区，其中引入不同的烃进料。 含氧化合物进料引入提升管中的操作顶部区域。 通过将含氧化合物进料转化为气体和/或从废FCC催化剂燃烧的再生器的放热反应获得吸热裂纹的热。