Abstract: A linking ligand compound includes three bidentate chemical moieties distributed about a central chemical moiety. Another linking ligand compound includes a bidentate linking ligand and a monodentate chemical moiety. Coordination polymers include a plurality of metal clusters linked together by residues of the linking ligand compounds.

Abstract: The present invention relates to a composite of a porous substrate and one-dimensional nanomaterial, which is manufactured by a hydrothermal method. The method for manufacturing the composite of the present invention is simple and low-cost, and the one-dimensional nanomaterial is homogeneously distributed on the porous substrate with tight binding at the interface. The present invention also relates to a surface-modified composite and a method for preparing the same. The composite of the present invention which is hydrophobically modified at the surface can adsorb organic solvents such as toluene, dichlorobenzene, petroleum ether and the like, and greases such as gasoline, lubricating oil, motor oil, crude oil and the like, with a weight adsorption ratio of >10.

Abstract: Disclosed herein are highly interpenetrated robust metal-organic frameworks having the repeat unit Zn5(BTA)6(TDA)2, useful for applications such as selective gas storage, selective gas sorption and/or separation, and gas detection.

Abstract: A method of forming functionalized fly ash particles includes contacting a plurality of fly ash particles with a hydroxide compound under conditions to directly bond oxygen (O) onto a surface portion of the plurality of fly ash particles. The plurality of fly ash particles having O directly bound to their surface portion are reacted with an organic alcohol or an organic acid to covalently bond hydrophobic groups in the form of condensation residue from the organic alcohol or organic acid to the O to form the plurality of functionalized fly ash particles.

Abstract: Embodiments of the invention relate to a fluid storage unit comprising a composite fluid storage material and one or more internal fluid distribution features. The one or more internal fluid distribution features increase the homogeneity of fluid interaction within the composite fluid storage material, benefiting a number of properties and functions.

Abstract: This invention provides, but is not limited to, methods of using metal-organic frameworks (MOFs) with open metal sites for acetylene storage. Also provided are compositions and materials comprising MOFs with open metal sites and acetylene, e.g., an acetylene storage material comprising HKUST-1 and acetylene.

Abstract: Disclosed are sol gel derived materials obtained from at least one first precursor and at least one second precursor, as well as sol gel derived compositions containing a plurality of alkylsiloxy substituents obtained from such sol-gel derived materials.

Abstract: A process for producing a polysaccharide superabsorbent particulate including the process steps of bringing into contact a polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel drying the polysaccharide gel, comminuting the dried polysaccharide gel to form polysaccharide superabsorbent polymer particles, coating the particles with a polyphosphate or polyphosphoric acid, crosslinking the coated particles, and surface treating the particulate with a metal multivalent salt or an acid. The invention further relates to a polysaccharide superabsorbent polymer particulate obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the polysaccharide superabsorbent particulates or of the composites as well as the use of polyphosphates.

Abstract: The present invention relates to amine modified clay sorbents and methods for their use. The sorbents of the present invention have particular application for the sorption of hydrophobic contaminants, particularly constituents of AFFFs, surfactants and/or perfluorinated or polyfluorinated compounds.

Abstract: Carbon cryogels, methods for making the carbon cryogels, methods for storing a gas using the carbon cryogels, and devices for storing and delivering a gas using the carbon cryogels.

Abstract: The invention relates to a method for the removal of metal impurities in chloride-based copper recovery processes. The amount of impurities in a strong chloride solution of monovalent copper can be reduced according to the method down to very low levels by using ion exchange as at least one purification stage.

Abstract: There is provided a carbon membrane formed by carbonizing a phenol resin having at least one kind of atomic groups selected from the group consisting of a methylene bond, a dimethylene ether bond, and a methylol group, wherein the total mole content rate of the atomic groups is 100 to 180% with respect to the phenolic nuclei.

Abstract: Disclosed is a swellable, sorbent material formed of a sol-gel derived composition having a porous matrix and a sorbent property modifier intermixed with at least a portion of the porous matrix. The sorbent property modifier modifies a sorbent property of the sorbent material when compared to the same sorbent property of the corresponding, unmodified sol-gel derived composition.

Abstract: The present invention relates to the use of a porous metal organic framework comprising at least a first organic compound and, if appropriate, a second organic compound, in which at least the first organic compound is at least partially coordinated in a bidentate fashion to at least one metal ion, where the at least one metal ion is Mg(II) and the first organic compound is derived from formic acid and the second organic compound is derived from acetic acid, for storing or isolating methane. Furthermore, the invention relates to a porous metal organic framework based on magnesium formate and acetate and also its preparation.

Abstract: The present application provides a method for removing a metal from a metal-containing solution, comprising contacting a legume product with the metal-containing solution; and removing the legume product from the solution.

Abstract: A metal-organic framework-based mesh-adjustable molecular sieve (MAMS) exhibiting a temperature-dependent mesh size. The MAMS comprises a plurality of metal clusters bound with a plurality of amphiphilic ligands, each ligand comprising a hydrophobic moiety and a functionalized hydrophilic moiety, and wherein the metal clusters and amphiphilic ligand functionalized hydrophilic moieties form a metal cluster layer, the metal cluster layer forming at least one hydrophilic pore. On each side of the metal cluster layer, a plurality of associated amphiphilic ligand hydrophobic moieties cooperate with the metal cluster layer to form a tri-layer and a plurality of tri-layers are packed in a facing-spaced apart relationship to form at least one hydrophobic pore.

Abstract: A method of scavenging oil from an oil-water mixture includes providing a plurality of functionalized fly ash particles having functionalized surfaces including reactive groups or reactive materials having hydrophobic groups covalently bound to the reactive groups or reactive materials. The oil-water mixture is contacted with the plurality of functionalized fly ash particles. The plurality of functionalized fly ash particles absorb oil from the oil-water mixture to form oil-laden fly ash particles. The oil-laden fly ash particles can be fed into a combustion process to generate heat from oil absorbed thereon, or absorbed oil from the oil-laden fly ash particles can be separated using a desorption process, and the oil recovered after separating.

Abstract: The disclosure provides zeolitic frameworks for gas separation, gas storage, catalysis and sensors. More particularly the disclosure provides zeolitic frameworks (ZIFs). The ZIF of the disclosure comprises any number of transition metals or a homogenous transition metal composition.

Abstract: Porous organic-inorganic hybrid materials with crystallinity and a method for preparing the same are provided. The method comprises preparing a reaction solution containing a mixture of at least one inorganic metal precursor, at least one organic compound which may act as a ligand, and a solvent (step 1); and forming porous organic-inorganic hybrid materials with crystallinity by reacting the reaction solution (step 2), wherein the reaction is carried out under the pressure of about 3 atm or less.

Abstract: Provided are chromatography devices having a stationary phase that includes patchy particles having at least two different surface chemistries, such as Janus particles. Also provided are methods of separating at least one analyte out of a sample, where the method includes adding a sample having at least one analyte to a chromatography device that includes a stationary phase that includes a plurality of patchy particles. Further provided are methods that include packing a chromatography column with a plurality patchy particles having at least two different surface chemistries. Additional embodiments are disclosed.

Abstract: Briefly described, embodiments of this disclosure, among others, include carbon dioxide (CO2) sorption structures, methods of making CO2 sorption structures, and methods of using CO2 sorption structures.

Abstract: This invention relates to an oil-absorbent polymer and the preparation method thereof, and disclosed a preparation method of quick oil absorbent material, which comprises: (1) Mixing and stirring well monomer A, vinyl monomer, initiator and vesicant to form a copolymerization system, wherein the amount of monomer A is in the range of approximately 10-50 wt %, the amount of vinyl monomer is in the range of approximately 48-88 wt %, the amount of initiator is in the range of approximately 0.01-5 wt %, the amount of vesicant is in the range of approximately 1-5 wt %; (2) And then immersing fiber carriers into the liquid of above-said copolymerization system to adsorb the liquid on the fiber carriers, then heating the fiber carriers under a temperature between 60˜80° C. for 1˜4 hours to synthesize polymers on the fiber carriers.

Abstract: Disclosed is a method for producing composite silica particles and hollow silica particles that can improve the utilization efficiency of a hydrophobic organic substance. It is a method for producing composite silica particles each of which is provided with an outer shell part having a mesoporous structure formed from a silica-containing component and which includes a hydrophobic organic substance in the interior of the aforementioned outer shell part, and involves adding an aqueous solvent to the hydrophobic organic substance and emulsifying, and forming the outer shell part having the mesoporous structure formed from the silica-containing component on the surface of an emulsified oil droplet of the aforementioned hydrophobic organic substance.

Abstract: MOF nanocrystals having a narrow size distribution, as well as methods of making and using same are disclosed.

Abstract: A composition applied on a substrate comprised by, or forming, or used for manufacturing of, a disposable absorbent article may be used for reducing the adherence of feces or menses to the human skin. The composition deposited on the substrate does not affect negatively the manufacturing process of the disposable absorbent article and imparts desirable fluid handling properties to the substrate. The composition may also be desirably deposited on a substrate used as, or in a wipe.

Abstract: The present invention generally provides a separation matrix comprising at least two stationary phases and a stationary phase comprising at least one chiral modality and at least one achiral modality. Also provided are methods of using the separation matrix or the stationary phase to separate enantiomers of one or more chiral molecules.

Abstract: A gas separation process uses a structured particulate bed of adsorbent coated shapes/particles laid down in the bed in an ordered manner to simulate a monolith by providing longitudinally extensive gas passages by which the gas mixture to be separated can access the adsorbent material along the length of the particles. The particles can be laid down either directly in the bed or in locally structured packages/bundles which themselves are similarly oriented such that the bed particles behave similarly to a monolith but without at least some disadvantages. The adsorbent particles can be formed with a solid, non-porous core with the adsorbent formed as a thin, adherent coating on the exposed exterior surface. Particles may be formed as cylinders/hollow shapes to provide ready access to the adsorbent. The separation may be operated as a kinetic or equilibrium controlled process.

Abstract: A phosphorus compound adsorbent; a phosphorus compound adsorption system, wherein the phosphorus compound adsorbed can be desorbed in a neutral solvent; and a method of using the phosphorus compound adsorbent are provided. The phosphorus compound adsorbent includes a nitrogen-containing compound having an amino group at an end of the molecular structure, a support carrying the nitrogen-containing compound, and at least one metal ion selected from the group consisting of a zinc ion, a copper ion, an iron ion, and a zirconium ion, which is fixed to the nitrogen-containing compound.

Abstract: A sorbent article having a substrate having porous channel walls defining open channels, and an organic-inorganic hybrid sorbent material distributed on a surface of the porous channel walls, wherein the sorbent material is derived from an amino-functionalized alkoxysilane and a polyamine, wherein the sorbent material is present in an amount equal to or greater than 10 g/l, wherein at least some of the sorbent material resides in the porous channel walls and forms CO2 adsorption sites within the interior of the porous channel walls. The article may be useful, for example, for removing CO2 from a gas.

Abstract: An article having a flow-through substrate having open channels defined by porous walls, wherein the flow-through substrate includes alumina; and a CO2 sorbent disposed on the flow-through substrate, wherein the CO2 sorbent impregnates the porous walls of the flow-through substrate. Methods of making the article, its use for CO2 capture, and methods for regenerating the article for further use are also disclosed.

Abstract: A solid air filtration medium includes an impregnate with an organic amine and an inorganic metal salt. The medium has from about 0.1 to about 25% by weight of impregnate. The impregnate contains from about 0.1 to about 5% by weight organic amine, and the organic amine includes aqueous urea, solid urea, melamine or mixtures thereof. The impregnate contains from about 0.1 to about 5% by weight metal salt, and the metal salt includes magnesium oxide, calcium oxide or mixtures thereof. The impregnate optionally further includes a surfactant such as polyacrylic acid. Methods for forming a solid air filtration medium having an impregnate containing an organic amine and an inorganic metal salt and methods for removing contaminants from a fluid stream are also provided.

Abstract: The present invention involves the use of certain metal organic frameworks that have been treated with water or another metal titrant in the storage of carbon dioxide. The capacity of these frameworks is significantly increased through this treatment.

Abstract: A process for the separation of biological materials, such as dye-ligand affinity chromatography, wherein an adsorbent is used, which comprises a reaction product of certain reactive anthroquinone compounds and a substrate having a group capable of reaction with a reactive group in said reactive anthroquinone compounds to form a covalent bond.

Abstract: A coordination polymer includes a plurality of metal atoms or metal clusters linked together by a plurality of organic linking ligands. Each linking ligand comprises a residue of a negatively charged polydentate ligand. Characteristically, the plurality of multidentate ligands include a first linking ligand having first hydrocarbon backbone and a second ligand having a second hydrocarbon backbone. The first hydrocarbon backbone is different than the second hydrocarbon backbone.

Abstract: An adsorbent composition and method of cleaning the industrial waste water using the composite is described. The method for removing heavy metals from contaminated water is done by mixing contaminated water having a concentration of one or more heavy metals with an adsorbent composite comprising granules of a mixture of 50.363 wt % kaolin clay, a 4.477 wt % roasted date pits powder, a 5.54 wt % silica powder a 14.99 wt % magnesite powder and a 24.623 wt % water. After reacting the contaminated water and adsorbent composite together for a specific time the water is filtered and was found to contain reduced amount of heavy metals. The cleaned water can further be used for industrial cooling systems or watering gardens.

Abstract: A copolymer and water/ethanol solvent solution capable of binding with airborne contaminants or potential airborne contaminants, such as biological weapon agents or toxic particulates, coagulating as the solvent evaporates, and adhering the contaminants to a surface so as to inhibit the re-suspension of such contaminants. The solution uses a water or ethanol/water mixture for the solvent, and a copolymer having one of several functional group sets so as to have physical and chemical characteristics of high adhesion, low viscosity, low surface tension, negative electrostatic charge, substantially neutral pH, and a low pKa. Use of the copolymer solution prevents re-aerosolization and transport of unwanted, reactive species thus increasing health and safety for personnel charged with decontamination of contaminated buildings and areas.

Abstract: This invention relates to an absorbent including trimethylsilylated mesoporous silica SBA-15, and more particularly to an absorbent including trimethylsilylated mesoporous silica SBA-15, which can effectively remove 90% or more of the seven pharmaceuticals of carbamazepine, diclofenac, estrone, gemfibrozil, ibuprofen, ketoprofen, and trimethoprim which are present in high concentration.

Abstract: The present invention relates to materials having improved and useful properties and to methods relating to the manufacture of said materials. In particular the present invention relates to a method of modifying the surface of a material, preferably a fibrous material, to enable carbon dioxide to be carried by the surface. The carbon dioxide may be bound to the surface in a reversible or irreversible manner. The method of treating the surface of a material comprises (a) contacting the surface of the material with a composition comprising an amino compound; and (b) contacting the surface of the material with a composition comprising carbon dioxide or a source thereof.

Abstract: To provide a solid-liquid palladium ion adsorbent which has both extraction performance and selectivity of a liquid-liquid palladium extracting agent in a conventional solvent extraction method and which does not require use of an organic solvent, and methods for selectively separating and recovering palladium, using it.

Abstract: A technique of fabricating a medium-high temperature CO2 sorbent of layered nano-carbonate is provided. A CO2 sorbent is fabricated. The sorbent captures CO2 at a medium-high temperature above 600° C. Calcium acetate is introduced for making a nano-scale layered double hydroxide (LDH). The layered structure is used for templated synthesis. The sorbent has an initial conversion rate above 90%; and the conversion rate remains the same even after 100 times of carbonation/de-carbonation cycles.

Abstract: An adsorbent material comprising a metal organic phase and a porous silica phase is provided. The adsorbent material can be a synthesized from at least one porous silica material, one or more metal ions, and at least one organic linker comprising one or more multidentate functional groups capable of forming coordinate bonds with the metal ions. The porous silica can be an ordered mesoporous silica material. Methods of making the adsorbent material and methods of removing molecules from a fluid using the adsorbent material are also provided.

Abstract: Particulate superabsorbents having a coating of triclosan are produced by a process that comprises contacting the superabsorbent with an aqueous slurry comprising triclosan, without any subsequent active heating.

Abstract: New chiral stationary phases (CSPs) based on chiral selectors covalently bound on a solid support were prepared. Chiral selectors were obtained from enantiomerically pure aromatic amines and 3,5-dinitrobenzoic acid and then linked to the support surface through the allylic double bond. Such obtained materials allow enantioseparation of racemates or enantiomerically enriched compounds. These chiral stationary phases can be used as fillings in chromatographic columns for enantiomer separation of naproxen type drugs and other similar non-steroidal anti-inflammatory drugs (NSAID) by means of high performance liquid chromatography on both the analytical and preparative scale.

Abstract: The present invention relates to the selective separation of methane (“CH4”) from higher carbon number hydrocarbons (“HHC”s) in streams containing both methane and higher carbon number hydrocarbons (e.g. ethylene, ethane, propylene, propane, etc.) utilizing a zeolitic imidazolate framework (“ZIF”) material. Preferably, the stream to be separated is fed to the present process in a substantially gaseous phase. In preferred embodiments, the current invention is utilized in a process to separate methane from higher carbon number hydrocarbons in natural gas streams.

Abstract: Active materials, for example, metal sulfide, or metal selenide which may be useful in the removal of a contaminant from a fluid.

Abstract: Provided is a method of fabricating of a nanowire porous medium and a medium formed by the method. In this method, water and organic solvent are mixed and stirred to form a large amount of bubbles, and the bubbles are used such that porosity can be formed more easily and in a more amount. Therefore, the nanowire porous medium can be fabricated more easily and simply. Also, in the nanowire porous medium according to the inventive concept, absorption capacity is increased by containing nanowires, and flexibility and durability are increased by containing a polymer.

Abstract: Herein are disclosed adducts of amines and polycarboxylic acids, and methods of making such adducts. Such adducts can be used to remove cyanogen chloride. Also disclosed are methods of providing such adducts on supports to form filter media. Also disclosed are methods of combining such filter media with catalysts and/or with porous polymeric webs to form filter systems.

Abstract: The present document describes an oil absorbent fiber comprising fragments of typha plant inflorescence, absorption apparatus comprising the oil absorbent fibers, as well as method of using the absorbent and/or the apparatus for absorbing oil.

Abstract: A flow-through sorbent comprising at least 30 wt % of a metal sulfide, and a binder. The sorbent may be used, for example, for the removal of a contaminant, such as mercury, from a fluid stream.

Abstract: Filter media that includes activated carbon particulates and zinc oxide particles disposed on surfaces of the activated carbon particulates. The zinc oxide particles have an average crystallite dimension that is not greater than about 50 nm.