Patent classifications
B01J2235/10
METHOD FOR MAKING MOLECULAR SIEVE SSZ-95
A new crystalline molecular sieve designated SSZ-95 is disclosed. In general, SSZ-95 is synthesized from a reaction mixture suitable for synthesizing MTT-type molecular sieves and maintaining the mixture under crystallization conditions sufficient to form product. The product molecular sieve is subjected to a pre-calcination step, and ion-exchange to remove extra-framework cations, and a post-calcination step. The molecular sieve has a MTT-type framework and a H-D exchangeable acid site density of 0 to 50% relative to molecular sieve SSZ-32.
METHOD FOR PREPARING SHAPED POROUS INORGANIC MATERIALS, BY REACTIVE EXTRUSION
A method for preparing a porous inorganic material by at least: a) reaction of a mixture of one precursor of the oxide of a metal X in solution and a precursor of the oxide of a metal Y at a temperature of between 30 and 70 C., X and Y being, independently aluminum, cobalt, indium, molybdenum, nickel, silicon, titanium, zirconium, zinc, iron, copper, manganese, gallium, germanium, phosphorus, boron, vanadium, tin, lead, hafnium, niobium, yttrium, cerium, gadolinium, tantalum, tungsten, antimony, europium or neodymium; b) mixing of the mixture obtained at the end of a) at a temperature of between 80 and 150 C., the mixing period being adjusted so as to obtain a paste that exhibits a fire loss of between 20% by weight and 90% by weight; c) shaping of the porous inorganic material;
a) to c) being performed within an extruder.
MOLYBDENUM-VANADIUM-BERYLLIUM-BASED OXIDATIVE DEHYDROGENATION CATALYST MATERIALS
This document relates to oxidative dehydrogenation catalyst materials that include molybdenum, vanadium, beryllium, oxygen, and optionally aluminum.
CATALYST COMPRISING A SUPPORT BASED ON SILICO-ALUMINIC MATRIX AND ON ZEOLITE, PREPARATION THEREOF AND PROCESS FOR HYDROCRACKING HYDROCARBON FEEDSTOCKS
The invention describes a catalyst comprising at least one hydro/dehydrogenating element chosen from the group formed by the elements from group VIB and from group VIII of the periodic table, alone or as a mixture, and a support comprising at least one zeolite and one amorphous silica-alumina, wherein the zeolite has an acid site distribution index (ASDI) of greater than 0.15 and a density of acid sites (determined by H/D exchange) of between 0.05 and 1 mmol/g, and wherein the support has a pore volume, measured by nitrogen porosimetry, developed within the pores with a diameter of between 6 nm and 11 nm, of less than 0.5 ml/g, a grain density, measured by mercury displacement under a pressure of 0.003 MPa, of greater than 0.93 g/ml, and a tapped packing density (TPD) of greater than 0.5 g/ml and less than 0.65 g/ml. A further subject of the present invention relates to the process for preparing said catalyst, comprising at least one step of preparing a silica-alumina gel by mixing a silica precursor with a specific alumina precursor, and to a process for hydrocracking a hydrocarbon feedstock in the presence of said catalyst.
RED MUD COMPOSITIONS AND METHODS RELATED THERETO
This disclosure relates to red mud compositions. This disclosure also relates to methods of making red mud compositions. This disclosure additionally relates to methods of using red mud compositions.
Gas and liquid phase catalytic Beckmann rearrangement of oximes to produce lactams
Methods for producing lactams from oximes by performing a Beckmann rearrangement using a silicoaluminophosphate catalyst are provided. These catalysts may be used in gas phase or liquid phase reactions to convert oximes into lactams. High conversion of oxime and high selectivity for the desired lactams are produced using the disclosed methods, including high conversion and selectivity for -caprolactam produced from cyclohexanone oxime and high conversion and selectivity for -laurolactam produced from cyclododecanone oxime.
Magnetic catalyst composition for hydroformylation of olefins
A functionalized nanomaterial having an average particles size of less than 10 nm comprising an iron oxide nanoparticle core and a bis(diarylphosphinomethyl) dopamine based ligand layer anchored to the iron oxide nanoparticle core is disclosed. In addition, a catalyst composition for use in a variety of chemical transformations wherein the bisphosphine groups of the functionalized nanomaterial chelate a catalytic metal is disclosed. In addition, a method for producing the functionalized nanomaterial and a method for the hydroformylation of olefins to aldehydes employing the functionalized nanomaterial with high conversion percentage and high selectivity are disclosed.
Method for hydroformylating an olefin
A functionalized nanomaterial having an average particles size of less than 10 nm comprising an iron oxide nanoparticle core and a bis(diarylphosphinomethyl) dopamine based ligand layer anchored to the iron oxide nanoparticle core is disclosed. In addition, a catalyst composition for use in a variety of chemical transformations wherein the bisphosphine groups of the functionalized nanomaterial chelate a catalytic metal is disclosed. In addition, a method for producing the functionalized nanomaterial and a method for the hydroformylation of olefins to aldehydes employing the functionalized nanomaterial with high conversion percentage and high selectivity are disclosed.
Catalyst for tetrahydrofuran synthesis
Provided are catalysts suitable for the production of tetrahydrofuran from 1,4-butanediol. Also provided are methods of use of these catalyst, as well as catalyst systems. The catalysts described herein contain only Lewis acidity, but not Bronsted acidity, which results in decreased production of ether byproducts.
Preparing layered double hydroxide nanostructures
Provided is a method for manufacturing nanostructured layered double hydroxides (LDHs) having a uniform size distribution with homogenous nano-disc morphology. Disclosed method has three main steps of: pretreatment of metal wires; wire-explosion in a liquid phase; and finally, centrifugation and drying the as-prepared colloidal products to obtain the LDHs nanostructured dried powder.