A process for separations and recovery from mixtures via specific adsorption using high-surface area, flexible silica-based nanostructured gel adsorbents and articles of manufacture relating to same.

A material modified with cannabis, possibly partially oxidized, dissolved and reprecipitated, or in conjunction with some physical arrangement into a form with another material that can be applied to separate lithium and other dissolved constituents from brine.

This invention relates to methods of producing aerogels and composites thereof. In particular, the invention relates to methods of producing silica aerogels and composites thereof. The invention also relates to doped aerogels and doped silica aerogels. The method involves the use of alkaline solutions, and particularly aqueous alkaline solutions, during the aerogel drying process. The method is more energy efficient and cheaper than prior art methods.

In accordance with one aspect of the presently disclosed inventive concepts, a porous ceramic structure includes a three-dimensional printed structure having predefined features, where the three-dimensional structure has a geometric shape. The average length of the features may be at least 10 microns. The three-dimensional structure includes a ceramic material having an open cell structure with a plurality of pores, where the pores form continuous channels through the ceramic material from one side of the ceramic material to an opposite side of the ceramic material.

A material includes a porous particle that includes a metal ion imprinted polymer. The metal ion imprinted polymer is formed from a hydrophilic co-monomer, a metal containing polymerizable compound, and a cross-linking agent. The metal containing polymerizable compound includes at least one metal chelating ligand. The metal ion imprinted polymer includes a plurality of metal ion selective binding sites. A method includes flowing brine containing a metal ion through a reactor that includes the material. The method further includes discharging the brine from the reactor, contacting the porous particles with water, and pressurizing the reactor with carbon dioxide. The carbon dioxide reacts with the adsorbed metal ions to form a metal carbonate solution. The method further includes depressurizing the reactor to precipitate metal carbonate from the metal carbonate solution and discharging the metal carbonate solution from the reactor.

A product includes an aminopolymer material formed into a self-supporting structure, the aminopolymer material including crosslinked aminopolymers having amine sites for the capture of carbon dioxide molecules.

In one aspect, an oxygenated hierarchically porous carbon (an O-HPC) is provided, the O-HPC comprising: a hierarchically porous carbon (an HPC), the HPC comprising a surface, the surface comprising: (A) first order pores having an average diameter of between about 1 m and about 10 m; and (B) walls separating the first order pores, the walls comprising: (1) second order pores having a peak diameter between about 7 nm and about 130 nm; and (2) third order pores having an average diameter of less than about 4 nm, wherein at least a portion of the HPC surface has been subjected to O.sub.2 plasma to oxygenate and induce a negative charge to the surface. In one aspect, the O-HPC further comprises metal nanoparticles dispersed within the first, second, and third order pores. Methods for making and using the metal nanoparticle-impregnated O-HPCs are also provided.

A process for the efficient transfer of molecules between phases employing mesoporous poly (aryl ether ketone) hollow fiber membranes is provided. The method addresses the controlled transfer of reactants into and removal of reaction products from a reaction media and the removal and separation of target molecules from process streams by membrane-assisted liquid-liquid extraction. A number of possible modes of liquid-liquid extraction are possible according to the invention by utilizing porous poly (aryl ether ketone) hollow fiber membranes of Janus-like structure that exhibit a combination of hydrophilic and hydrophobic surface characteristics. The method of the present invention can address the continuous manufacture of chemicals in membrane reactors and is useful for a broad range of separation applications, including separation and recovery of active pharmaceutical ingredients.

A process for manufacturing a material with a high specific surface area, including a step of spraying a liquid composition based on liquid residues derived from a chemical extraction of clinker, to a material based on clinker residues having a high specific surface area ranging from 200 m.sup.2.Math.g.sup.1 to 900 m.sup.2.Math.g.sup.1 and also by a mesopore size ranging from 2 nm to 50 nm, and to the use of materials for the absorption of pollutants species.

Disclosed herein is a porous material comprising a biopolymer functionalized with a carbon dioxide capturing moiety; where the biopolymer is in the form of a foam or an aerogel having a bulk density of 500 grams per cubic meter to 2500 grams per cubic meter. Disclosed herein too is a method comprising functionalizing a biopolymer with a carbon dioxide capturing moiety; dissolving the biopolymer in an aqueous solution to form a first solution; reducing the temperature of the first solution to below the freezing point of the aqueous solution; displacing the aqueous solution with a first solvent that has a lower surface tension than a surface tension of the aqueous solution; and drying the first solvent to produce a porous biopolymer having a bulk density of 500 grams per cubic meter to 2500 grams per cubic meter.