The present invention relates to a specific continuous process for preparing a zeolitic material having a framework structure type selected from the group consisting of MFI, MEL, IMF, SVY, FER, SVR, and intergrowth structures of two or more thereof, preferably an MFI- and/or MEL-type framework structure, comprising Si, Ti, and O, and to a zeolitic material as obtainable and/or obtained according to said process. Further, the present invention relates to a process for preparing a molding, and to a molding obtainable and/or obtained according to said process. Yet further, the present invention relates to a use of said zeolitic material and molding.

The present invention concerns a zeolitic adsorbent agglomerate comprising at least one zeolite of faujasite type comprising sodium and/or lithium and/or calcium, and/or barium and/or potassium, of porosity between 25% and 45%, and having a standard deviation σ of crystal size distribution in said agglomerate of less than 0.30 μm. The invention also concerns the use of the zeolitic adsorbent agglomerate to separate hydrocarbon mixtures, and the process to separate hydrocarbon mixtures using said zeolitic adsorbent agglomerate.

Smoking article include a smokable material and an activated carbon particle downstream of the smokable material. The activated carbon particle is produced from a whole seed. The activated carbon particle has a length, width and height. At least two of the length width and height are independently in a range from about 1 mm to about 7.5 mm. The particles can be spheroids, in which case the length, width and height would be the same or similar.

A process for recovery of lithium ions from a lithium-bearing brine, the process comprising: contacting the lithium-bearing brine with a lithium ion adsorbent based on orthosilicate. The lithium ion adsorbent is a de-lithiated form of: Li.sub.2X.sub.1-y-zY.sub.yZ.sub.zSiO.sub.4, where y and z together=0 to 1 and X, Y and Z are each Fe, Mg, Ca, Ni, Mn, Co, Zn, Cu, Ti, V, Sr or Zr.

A method for removing contaminants from a gas stream including contacting a gas stream comprising hydrocarbons and sulfur contaminants with a modified nanocomposite adsorbent. Also provided are compositions and processes for forming compositions of a modified nanocomposite adsorbent composition for removing sulfur contaminants from a hydrocarbon stream. Additionally, provided is system for removing sulfur impurities from a gaseous hydrocarbon stream, where the system includes a plurality of adsorbent vessels arranged in series, where the adsorbent vessels include an emulsion of a modified nanocomposite adsorbent composition.

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 the formula (LiCl).sub.x.2Al(OH).sub.3,nH.sub.2O, wherein n is between 0.01 and 10, x is between 0.4 and 1, wherein it comprises a step a) of precipitation of boehmite under specific temperature and pH conditions, a step of bringing into contact the precipitate obtained with LiCl, at least one acid extrusion-kneading shaping step, wherein the method also comprises a final hydrothermal treatment step, all of which makes it possible to increase the lithium adsorption capacity, the adsorption kinetics, as well as the lithium/boron selectivity of the materials obtained with respect to the materials of the prior art, when it is used in a lithium extraction method of saline solutions.

The present invention relates to a leakage-preventing high performance desiccant composition and a preparation method therefor, wherein a solid desiccant composition includes calcium chloride (CaCl.sub.2), magnesium chloride (MgCl.sub.2), and metal oxide, wherein the metal oxide may be calcium oxide (CaO), and a gel desiccant composition includes metal chloride and an absorbent polymer, wherein the metal chloride may be calcium chloride (CaCl.sub.2) and magnesium chloride (MgCl.sub.2), and the absorbent polymer may be CMC (carboxymethyl cellulose).

Provided is a method of preparing a superabsorbent polymer. More particularly, provided is a method of preparing a superabsorbent polymer, the method capable of preparing the superabsorbent polymer maintaining excellent basic absorption performances such as centrifugal retention capacity, absorbency under load, etc. while also exhibiting an improved absorption rate.

The present invention provides that powder is mainly constituted from secondary particles of hydroxyapatite. The secondary particles are obtained by drying a slurry containing primary particles of hydroxyapatite and aggregates thereof and granulating the primary particles and the aggregates. A bulk density of the powder is 0.65 g/mL or more and a specific surface area of the secondary particles is 70 m.sup.2/g or more. The powder of the present invention has high strength and is capable of exhibiting superior adsorption capability when it is used for an adsorbent an adsorption apparatus has.

Embodiments of the present disclosure describe a metal-organic framework (MOF) composition comprising a plurality of metal clusters, wherein the metal is chromium; and one or more tetratopic ligands; wherein the metal clusters and ligands associate to form a MOF with soc topology. A method of making a MOF comprising contacting a template MOF of formula Fe-soc-MOF and a reactant including chromium in a presence of dimethylformamide sufficient to replace Fe with Cr and form an exchanged MOF of formula Cr-soc-MOF. A method of sorbing water vapor comprising exposing a Cr-soc-MOF to an environment; and sorbing water vapor using the Cr-soc-MOF.