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Absorbent solution containing a breakdown inhibitor derived from pyrimidine or from triazine and absorption process for acid compounds contained in a gaseous effluent
US9211495B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9211495-B2 |
| Application number | US-201013512695-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 19, 2010 |
| Priority date | Nov 30, 2009 |
| Publication date | Dec 15, 2015 |
| Grant date | Dec 15, 2015 |
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Abstract
Official abstract text for this publication.
The degradation of an absorbent solution comprising organic compounds provided with an amine function in aqueous solution is reduced considerably in the presence of a small amount of degradation-inhibiting additives belonging to the class of derivatives of pyrimidine or of triazine, at least one substituent of which contains a sulfur atom. The absorbent solution is employed for deacidifying a gaseous effluent.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of absorbing acidic compounds contained in a gaseous effluent, comprising: bringing a gaseous effluent containing acidic compounds into contact with a solution comprising: a) at least one amine selected from the group consisting of N,N,N′,N′,N″-pentamethyldiethylenetriamine, piperazine, monoethanolamine, diethanolamine, methyldiethanolamine, diisopropanolamine, diglycolamine, a glycine salt and a taurine salt, b) water, c) at least one d…
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Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
Chemistry & Metallurgy · mapped topic
Chemistry & Metallurgy · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9211495B2 cover?
- The degradation of an absorbent solution comprising organic compounds provided with an amine function in aqueous solution is reduced considerably in the presence of a small amount of degradation-inhibiting additives belonging to the class of derivatives of pyrimidine or of triazine, at least one substituent of which contains a sulfur atom. The absorbent solution is employed for deacidifyi…
- Who is the assignee on this patent?
- Delfort Bruno, Carrette P-Louis, IFP Energies Nouvelles
- What technology area does this patent fall under?
- Primary CPC classification B01D53/1493. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Dec 15 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).