Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein Z.sup.1 and Z.sup.2 each independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer and at least one other monomer is provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal etc., are also provided herein.

The present invention relates to a method for synthesizing N,N-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,3-benzenedicarboxamide as shown in the following formula (III),

##STR00001##

comprising the following steps that a compound of the following formula (I) and a compound of the following formula (II) react under stirring in an organic solvent in the presence of a solid supported catalyst, and after the completion of the reaction, a compound of the formula (III) is obtained by

##STR00002##

post-treatment,

wherein R1 to R2 are each the same or different selected from C.sub.1-6 alkyl. The method can achieve good technical effects through the use of a unique catalyst and the compounding of the organic solvent, has the advantages of reduced pollution, good environment and significant improvement on yield is compared with the prior art, can provide more inexpensive functional additives for the field of plastic processing, and has good industrial production prospects and application potential.

A monolithic catalyst, including cobalt, a metal matrix, a molecular sieve membrane, and an additive. The metal matrix is silver, gold, copper, platinum, titanium, molybdenum, iron, tin, or an alloy thereof. The molecular sieve membrane is mesoporous silica SBA-16 which is disposed on the surface of the metal matrix and is a carrier of the active component and the additive. The thickness of the carrier is between 26 and 67 m. The additive is lanthanum, zirconium, cerium, rhodium, platinum, rhenium, ruthenium, titanium, magnesium, calcium, strontium, or a mixture thereof. A method for preparing the monolithic catalyst is also provided.

Adsorbent materials including a porous material support and about 0.5 wt. % to about 30 wt. % of a Group 8 metal ion are provide herein. Methods of making the adsorbent material and processes of using the adsorbent material, e.g., for heteroatom species separation, are also provided herein.

Mesoporous ternary composite materials and a corresponding preparation method are described herein. The method includes the following steps: (1) adding hydrochloric acid and acetic acid into an ethanol solution to prepare a dissolving system; (2) adding a surfactant into the dissolving system and fully stirring for dissolution; (3) adding copper nitrate, manganese nitrate solution and tetrabutyl titanate into the mixed liquid obtained from step (2) and evenly stirring; (4) transferring the mixture obtained from step (3) into petri dishes and obtaining transparent films after drying; and (5) calcinating the transparent films to obtain mesoporous ternary composite materials. The materials prepared are ordered mesoporous materials with high specific surface areas and high dispersion degree of every component.

The present invention relates to a field of control of nitrogen oxide pollution, and involves a high-efficient catalyst for denitration at low temperature and preparation method thereof, which comprises the steps: (1) preparing aqueous solution of cerium nitrate; (2) soaking mesoporous silica materials SBA-15 with aqueous solution from step (1), after stirring, filtrating, washing and drying; (3) calcining materials from step (2) to obtain evenly dispersed CeO.sub.2-SBA-15 materials; (4) preparing ethanol solution of manganese nitrate; (5) soaking CeO.sub.2-SBA-15 materials from step (3) with ethanol solution of manganese nitrate from step (4) and volatilizing ethanol, washing and drying; (6) calcining materials from step (5) to obtain evenly distributed Mn.sub.xO.sub.y/CeO.sub.2-SBA-15 catalyst for denitration; The preparation method has simple process with lower cost, and the obtained Mn.sub.xO.sub.y/CeO.sub.2-SBA-15 catalyst has uniform and ordered pores, large specific area, narrow pore size distribution, well dispersity of catalytic components, high catalytic activity, better effect of denitration at low temperature range and wider temperature range available for denitration.

A process for the synthesis of linear paraffinic hydrocarbons from a feed of carbon monoxide and dihydrogen in the presence of a catalyst of a mesoporous oxide matrix and a content by weight of the element cobalt of 0.5% to 60%, wherein the catalyst is prepared by a) mixing, in an aqueous or hydro-organic solvent, a molecular precursor containing cobalt and a molecular precursor of the mesoporous oxide matrix containing element X of silicon, aluminium, titanium, zirconium and or cerium; b) aerosol spray drying the mixture to form spherical liquid droplets; c) drying to obtain solid particles at a temperature of 10 C. to 300 C.; d) activation by a reduction treatment to form nanoparticles of cobalt with an oxidation state of 0.

Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm.sup.3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.

Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z.sup.1OZ.sup.2OSiCH.sub.2].sub.3 (I), wherein each Z.sup.1 and Z.sup.2 independently represent a hydrogen atom, a C.sub.1-C.sub.4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.

A functional structure which can suppress functional degradation of a functional material to achieve longer life, which can save resources without complicated replacement operations, and which, used for example as a catalyst, exhibits excellent catalytic activity. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material present in the supports and including a metal element (M), in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, and the metal element (M) having constituted the functional material is partially substituted with an element having constituted the supports.