WO2026131187 - METHOD AND DEVICE FOR EXTRACTING LITHIUM BY ADSORPTION WITH UPFLOW ELUTION
National phase entry is expected:
Publication Number
WO/2026/131187
Publication Date
25.06.2026
International Application No.
PCT/EP2025/085626
International Filing Date
05.12.2025
Title **
[English]
METHOD AND DEVICE FOR EXTRACTING LITHIUM BY ADSORPTION WITH UPFLOW ELUTION
[French]
PROCÉDÉ ET DISPOSITIF D'EXTRACTION PAR ADSORPTION DE LITHIUM AVEC ÉLUTION EN FLUX ASCENDANT
Applicants **
IFP ENERGIES NOUVELLES
Inventors
BLANCKE, Guillaume
LEINEKUGEL LE COCQ, Damien
Priority Data
FR2414172
16.12.2024
FR
Application details
| Total Number of Claims/PCT | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2039 | |
| EPO | Filing, Examination, Granting | 8746 | |
| Japan | Filing, Examination, Granting | 2218 | |
| South Korea | Filing, Examination, Granting | 2197 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,940
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Abstract[English]
The invention relates to a method for extracting lithium by adsorption, the method comprising at least the following steps: at least one adsorption step in which at least one extraction column (C) is fed with at least one feed (F) and at least one raffinate (R) is withdrawn from the at least one extraction column (C); at least one elution step in which the at least one extraction column (C) is fed with at least one desorbent (D) and at least one extract (E) is withdrawn from the at least one extraction column (C), wherein the at least one extraction column (C) comprises at least one bed of adsorbent solid, and wherein the at least one adsorption step and the at least one elution step are carried out in opposite directions relative to one another through the extraction column (C); the invention also relates to an extraction device suitable for carrying out the extraction method.[French]
L'invention concerne un procédé d'extraction par adsorption de lithium comprenant au moins les étapes suivantes : au moins une étape d'adsorption dans laquelle on alimente au moins une colonne d'extraction (C) avec au moins une charge (F) et on soutire au moins un raffinat (R) de l'au moins une colonne d'extraction (C); au moins une étape d'élution dans laquelle on alimente l'au moins une colonne d'extraction (C) avec au moins un désorbant (D) et on soutire au moins un extrait (E) de l'au moins une colonne d'extraction (C), dans lequel l'au moins une colonne d'extraction (C) comprend au moins un lit de solide adsorbant, et dans lequel l'au moins une étape d'adsorption et l'au moins une étape d'élution sont effectuées en sens inverse, l'une par rapport à l'autre, au travers de la colonne d'extraction (C) L'invention concerne également un dispositif d'extraction adapté pour effectuer le procédé d'extraction.