Disclosed in certain embodiments are sorbents for capturing heavy hydrocarbons via thermal swing adsorption processes.

The present disclosure is directed to metal ion-containing zeolitic compositions, preferably transition metal ion-containing, more preferably zinc ion containing zeolitic compositions, that are useful for reversibly scavenging water from humid gaseous feed streams, including air, and method of making and using the same. In some embodiments, the compositions comprise zinc-ion-doped zeolites have LTA, FAU, or EMT topologies.

A system and method for distilling water is disclosed. The system comprises a heat source, and a plurality of open-cycle adsorption stages, each stage comprising a plurality of beds and an evaporator and a condenser between a first bed and a second bed, wherein each bed comprises at least two vapor valves, a plurality of hollow tubes, a plurality of channels adapted for transferring water vapor to and from at least one of the condenser or the evaporator, a porous media, a hygroscopic material, and a plurality of graphite flakes, and wherein each vapor valve connects a bed to either the condenser or the evaporator. The method utilizes a number of open-cycle adsorption stages operate in an alternating cycle of forcing and relaxing, whereby both the latent heat of vaporization and the latent heat of adsorption are multiply reused to distill water.

The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a new method for the preparation of a crystallized and shaped solid material, preferably in extruded form, of formula LiX.sub.x.2Al(OH).sub.3,nH.sub.2O, wherein n is between 0.01 and 10, x is 1 when X is an anion selected from among chloride, hydroxide and nitrate anions, and x is 0.5 when X is an anion selected from among sulfate and carbonate anions, comprising a boehmite precipitation step a) under specific temperature and pH conditions, at least one basic mixing shaping step, wherein the method also comprises a final hydrothermal treatment step, all to increase the lithium adsorption capacity and the kinetics of adsorption of the materials obtained, compared with the materials of the prior art when it is used in a method for lithium extraction from saline solutions.

A sorbent composition such as for the removal of a contaminant species from a fluid stream, a method for manufacturing a sorbent composition and a method for the treatment of a flue gas stream to remove heavy metals such as mercury (Hg) therefrom. The sorbent composition includes a porous carbonaceous sorbent such as powdered activated carbon (PAC) and a solid particulate additive that functions as a flow-aid to enhance the pneumatic conveyance properties of the sorbent composition. The solid particulate additive may be a flake-like material, for example a phyllosilicate mineral or graphite.

The invention discloses a method of separating a biomolecule from at least one other component in a liquid, comprising a step of contacting said liquid with a separation matrix comprising a solid support and polymer chains bound to said solid support. The polymer chains comprise units derived from a first monomer of structure CH.sub.2CH-L-X, where L is a covalent bond or an alkyl ether or hydroxysubstituted alkyl ether chain comprising 2-6 carbon atoms, and X is a sulfonate or phosphonate group.

A method for preparing a sorbent composition includes the steps of: applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and drying the coated support material, wherein the thickness of the copper compound layer on the dried support is in the range 1-200 m.
The precursor may be converted to a sorbent suitable for removing heavy metals from liquids or gases by applying one or more sulphur compounds to sulphide the copper compound and form CuS.

The object of the present invention is low-dimensional, primarily 2D folded structures of organic and/or inorganic substances and/or their agglomerates, which have folds and faces of irregular shape and exhibit high local electric field strength generated by surface charges on the said folds, faces and edges, and use thereof: as sorbents of organic particles (molecules, bacteria, viruses, proteins, antigens, endotoxins) and inorganic particles (metal ions, colloids); as an agent with wound healing and antibacterial activity; as an agent for tumor cell growth inhibition.

The present invention relates to a method for manufacturing a chemical adsorbent for removing harmful gases, comprising a step of preparing an aqueous chemical solution, which is a mixture of 5 to 20 parts by weight of a chemical for a neutralization or oxidation-reduction reaction of harmful gases, and 120 to 150 parts by weight of purified water, relative to 100 parts by weight of a carrier as an adsorbent; an impregnation step of immersing the carrier in the aqueous chemical solution of a reaction tank and stirring at 50 to 100 rpm for 1 to 5 hr a resulting mixture obtained by immersing the carrier in the chemical aqueous solution while maintaining a temperature of the reaction tank at 60 to 95? C.; and a drying step of evaporating and removing moisture until a moisture content of the chemical adsorbent is 5 to 25% by stirring the resulting mixture at 100 to 300 rpm for 4 to 10 hr while maintaining the temperature of the reaction tank at 105 to 130? C., wherein the chemical adsorbent is obtained after stirring of the resulting mixture at 50 to 100 rpm for 1 to 5 hr is completed.

A method for removing a contaminant from an environment is described comprising the steps of: (i) heating a reduced and passivated getter material containing crystallites of a metal in elemental form encapsulated by a layer comprising an oxide of the metal to a temperature in the range (TT?X) to (TT+Y), where TT is the Tammann temperature of the metal in elemental form in degrees Centigrade, X is 400 and Y is 200, to form an activated getter material having active surface for contaminant removal and (ii) exposing the activated getter material to the environment containing the contaminant.