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System and method for solvent recovery in a batch fluidized bed process
US8973283B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8973283-B2 |
| Application number | US-201013142061-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 2, 2010 |
| Priority date | Feb 3, 2009 |
| Publication date | Mar 10, 2015 |
| Grant date | Mar 10, 2015 |
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Abstract
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A system and method for solvent recovery in a batch fluidized bed process is provided. The disclosed embodiment of the fluidized bed system includes a fluidized bed vessel adapted to contain a batch of solvent-containing product; an influent or intake circuit adapted to supply an inert fluidizing gas to the fluidized bed vessel; an effluent circuit adapted to remove the solvent containing inert fluidizing gas from the fluidized bed vessel; a first recycle circuit coupling the effluent circuit to a solvent recovery means; a second recycle circuit directly coupling the effluent circuit to the intake circuit and a flow control valve operatively disposed to divide the effluent between the first recycle circuit and the second recycle circuit based on the operating regime of the fluidized bed process. The disclosed embodiments further include a source of liquid nitrogen coupled to the second recycle circuit to provide the make-up inert gas as well as provide enhanced cooling of the effluent based on the operating regime of the fluidized bed process.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of fluidizing a batch of solvent-containing product in a fluidized bed vessel comprising the steps of: directing an influent stream containing an inert fluidizing gas through the vessel to fluidize the solvent-containing product and produce an effluent stream of inert fluidizing gas with solvent entrained therein; diverting a first portion of the solvent entrained effluent stream to a solvent recovery process; cooling the first portion of the so…
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Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
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- What does patent US8973283B2 cover?
- A system and method for solvent recovery in a batch fluidized bed process is provided. The disclosed embodiment of the fluidized bed system includes a fluidized bed vessel adapted to contain a batch of solvent-containing product; an influent or intake circuit adapted to supply an inert fluidizing gas to the fluidized bed vessel; an effluent circuit adapted to remove the solvent containing inert…
- Who is the assignee on this patent?
- Nandi Arup, Cheng Alan, Billingham John Fredric, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification B01D53/002. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).