Recovery method of organic molecules from a complex matrix

Patent metadata

Field	Value
Publication number	US-12492348-B2
Application number	US-202018269889-A
Country	US
Kind code	B2
Filing date	Dec 28, 2020
Priority date	Dec 28, 2020
Publication date	Dec 9, 2025
Grant date	Dec 9, 2025

Abstract

The invention relates to a method for recovering organic molecules ( 10 ) from a complex matrix ( 20 ) said method ( 100 ) comprising the steps of: Providing ( 110 ) the complex matrix ( 20 ); Contacting ( 120 ) the complex matrix ( 20 ) with biogenic nanoparticles ( 30 ), for an adsorption of the organic molecules ( 10 ) on biogenic nanoparticles ( 30 ); Separating ( 140 ) biogenic nanoparticles enriched ( 35 ) with the organic molecules ( 10 ) from a depleted complex matrix ( 22 ); and Using ( 150 ) the organic molecules ( 10 ) that were adsorbed to the biogenic nanoparticles ( 30 ) in a chemical process or in a chemical device.

First claim

The invention claimed is:

1 . A method for recovering organic molecules from a complex matrix, said method comprising the steps of:
Contacting the complex matrix with biogenic nanoparticles, for adsorption of organic molecules therefrom on the biogenic nanoparticles; Separating the biogenic nanoparticles enriched with the organic molecules from the complex matrix which has been depleted of the organic molecules; and Using the organic molecules that were adsorbed to the biogenic nanoparticles in a chemical process or in a chemical device
wherein the biogenic nanoparticles are mesoporous.

2 . Method for recovering organic molecules according to claim 1 , wherein the organic molecules are used after a step of desorption from the biogenic nanoparticles.

3 . Method for recovering organic molecules according to claim 1 , wherein the organic molecules are used being adsorbed to the biogenic nanoparticles.

4 . Method for recovering organic molecules according to claim 1 , wherein the step of contacting the complex matrix with biogenic nanoparticles comprises at least one of: filtration, spinning, centrifugation, stirring, ultrasound treatment, magnetic contact, microwave treatment, and heating.

5 . Method for recovering organic molecules according to claim 1 , wherein the step of contacting comprises contacting the complex matrix with a nanofluid, said nanofluid comprising said biogenic nanoparticles and a low polarity solvent, the low polarity solvent comprising one or more of: acetone, kerosene, hexane, xylene, toluene, dimethylbenzene, mesitylene, benzene, and ethylbenzene.

6 . Method for recovering organic molecules according to claim 1 , wherein the step of separating the biogenic nanoparticles comprises at least one of: filtration, settling, centrifugation, magnetic separation, and vacuum filtration.

7 . Method for recovering organic molecules according to claim 1 , wherein said organic molecules are selected from the group consisting of: non-metallic organic molecules, organometallic molecules, aggregate of non-metallic organic molecules and/or organometallic molecules, and their salts.

8 . Method for recovering organic molecules according to claim 1 , wherein the complex matrix is selected from crude oil, plastic oil, wood oil, bio-oil, algae oil.

9 . A method of recovering organic molecules from a complex matrix, said method comprising the steps of:
Contacting the complex matrix with biogenic nanoparticles, for adsorption of organic molecules therefrom on the biogenic nanoparticles; Separating the biogenic nanoparticles enriched with the organic molecules from the complex matrix which has been depleted of the organic molecules; and Using the organic molecules that were adsorbed to the biogenic nanoparticles in a chemical process or in a chemical device;
wherein the complex matrix is an algae oil.

10 . Method for recovering organic molecules according to claim 1 , wherein the biogenic nanoparticles are doped, functionalized and/or raw.

11 . Method for recovering organic molecules according to claim 1 , wherein the method comprises a step of regenerating said biogenic nanoparticles depleted from said organic molecules.

12 . Method for recovering organic molecules according to claim 11 , wherein the step of contacting the complex matrix with said biogenic nanoparticles comprises the use of depleted biogenic nanoparticles.

13 . Method for recovering organic molecules according to claim 1 , wherein the step of using the organic molecules is selected from gas separation, waste treatment, biomethane application, plastic recycling, complex matrix recycling, complex matrix purification, complex matrix extraction, civil engineering, plastic manufacture, polymer manufacture, and sensor manufacture.

14 . Method for recovering organic molecules according to claim 1 , wherein the organic molecules comprise porphyrins.

15 . A method for recovering organic molecules from a complex matrix, said method comprising the steps of:
Contacting the complex matrix with biogenic nanoparticles, for adsorption of organic molecules therefrom on the biogenic nanoparticles: Separating the biogenic nanoparticles enriched with the organic molecules from the complex matrix which has been depleted of the organic molecules; and Using the organic molecules that were adsorbed to the biogenic nanoparticles in a chemical process or in a chemical device;
wherein the orgnanic molecules comprise porphyrins and the step of using the organic molecules includes a CO 2 reduction in presence of porphyrins in order to produce methane or other molecules.

16 . Obtaining organic molecules by the method according to the claim 1 , and applying the obtained organic molecules in gas separation, waste treatment, biomethane application, plastic recycling, complex matrix recycling, complex matrix purification, complex matrix extraction, civil engineering, plastic manufacture, polymer manufacture, or sensor manufacture.

17 . A method comprising recovering organic molecules from the method according to claim 1 , and reacting the recovered organic molecules in a chemical reaction.

Assignees

• Univ De Pau Et Des Pays De Ladour
• Centre Nat Rech Scient
• Totalenergies Onetech
• Univ De Pau Et Du Pays De Ladour

Inventors

• Le Beulze Aurélie
• Ordonez-Varela John-Richard
• Bouyssiere Brice
• Castillo Jimmy
• Vargas Vicmary

Classifications

• C10G2300/1014

  of vegetal origin · CPC title

• B01J20/34

  Regenerating or reactivating · CPC title

• B01J20/28083

  being in the range 2-50 nm, i.e. mesopores · CPC title

• B01J20/28016

  Particle form · CPC title

• B01J20/3475

  in the liquid phase · CPC title