A catalyst precursor composition for forming a phenol alkylation catalyst, the composition comprising: 70 to 98 weight percent of abase oxide comprising: magnesium oxide with a Brunauer-Emmett-Teller surface area from 75 meter.sup.2/gram to 220 meter.sup.2/gram, preferably from 75 meter.sup.2/gram to 140 meter.sup.2/gram, more preferably from 90 meter.sup.2/gram to 130 meter.sup.2/gram; or magnesium carbonate with a Brunauer-Emmett-Teller surface area of from 100 meter.sup.2/gram to 220 meter.sup.2/gram, preferably from 120 meter.sup.2/gram to 200 meter.sup.2/gram; or a combination thereof; at least one metal promoter precursor comprising an iron precursor, a manganese, a vanadium precursor, or a copper precursor; and a pore former, a lubricant, a coke inhibitor; and optionally, a strength additive; and optionally a binder, and a method of alkylating phenol using a catalyst derived from the catalyst precursor.

The invention provides a method for the production of a supported nickel catalyst, in which an aqueous mixture comprising an alkali metal salt plus other metal salts is sintered to form a support material. A supported nickel catalyst comprising potassium β-alumina is also provided.

There is provided a method for synthesizing an alkenoic acid, in particular acrylic acid comprising the step of oxidizing an alkenyl alcohol in the presence of a metal oxide catalyst to form the alkenoic acid. The invention further provides a step of deoxydehydrating a polyol, including glycerol to obtain said alkenyl alcohol including an allyl alcohol.

An object of the present invention is to provide ferrite particles for supporting a catalyst having a small apparent density, various properties are maintained in a controllable state and a specified volume is filled with a small weight, and a catalyst using the ferrite particles for supporting a catalyst. To achieve the object, ferrite particles for supporting a catalyst provided with an outer shell structure containing Ti oxide, a catalyst using the ferrite particles for supporting a catalyst are employed.

A tableted catalyst support, characterized by an alpha-alumina content of at least 85 wt.-%, a pore volume of at least 0.40 mL/g, as determined by mercury porosimetry, and a BET surface area of 0.5 to 5.0 m.sup.2/g. The tableted catalyst support is an alpha-alumina catalyst support obtained with high geometrical precision and displaying a high overall pore volume, thus allowing for impregnation with a high amount of silver, while exhibiting a surface area sufficiently large so as to provide optimal dispersion of catalytically active species, in particular metal species. The invention further provides a process for producing a tableted alpha-alumina catalyst support, which comprises i) forming a free-flowing feed mixture comprising, based on inorganic solids content, at least 50 wt.-% of a transition alumina; ii) tableting the free-flowing feed mixture to obtain a compacted body; and iii) heat treating the compacted body at a temperature of at least 1100° C., preferably at least 1300° C., more preferably at least 1400° C., in particular at least 1450° C., to obtain the tableted alpha-alumina catalyst support. The invention moreover relates to a compacted body obtained by tableting a free-flowing feed mixture which comprises, based on inorganic solids content, at least 50 wt.-% of a transition alumina having a loose bulk density of at most 600 g/L, a pore volume of at least 0.6 mL/g, as determined, and a median pore diameter of at least 15 nm. The invention moreover relates to a shaped catalyst body for producing ethylene oxide by gas-phase oxidation of ethylene, comprising at least 15 wt.-% of silver, relative to the total weight of the catalyst, deposited on the tableted alpha-alumina catalyst support. The invention moreover relates to a process for producing ethylene oxide by gas-phase oxidation of ethylene, comprising reacting ethylene and oxygen in the presence of the shaped catalyst body.

The present invention relates to granulated particles with improved attrition and a method for producing granulated particles by fluidized bed granulation of inorganic particles wherein particles of reduced particle size are fed into a fluldized-bed granulation reactor thereby producing granulated particles with improved attrition.

Bimetal oxide catalyst and methods, a method comprises: mixing and grinding to obtain a mixture comprising a manganese salt (a), at least one of other metal salt (b), and an additive (c), wherein the other metal salt comprises at least one of a copper salt, a cobalt salt, a cerium salt, an iron salt, or a nickel salt, and the additive comprises at least one of polyol or organic acid, and calcining the mixture to obtain the bimetal oxide catalyst.

The present invention relates to a process for preparing a cobalt-containing Fischer-Tropsch synthesis catalyst with good physical properties and high cobalt loading. In one aspect, the present invention provides a process for preparing a supported cobalt-containing Fischer-Tropsch synthesis catalyst, said process comprising the following steps of: (a) impregnating a support powder or granulate with a cobalt-containing compound; (b) calcining the impregnated support powder or granulate and extruding to form an extrudate; or extruding the impregnated support powder or granulate to form an extrudate and calcining the extrudate; and (c) impregnating the calcined product with a cobalt-containing compound; or forming a powder or granulate of the calcined product, impregnating with a cobalt-containing compound and extruding to form an extrudate.

A catalyst-containing material includes a refractory matrix and particles of one or more catalytic metal elements or catalytic oxides. The particles are dispersed through, and embedded in, the refractory matrix.

The present invention relates to an alumina with a particular pore profile and good thermal stability. This alumina is also characterized in that it has a high bulk density. The alumina has, after calcining in air at 1100° C. for 5 hours: a pore volume in the range of pores with a size of between 5 nm and 100 nm which is between 0.50 and 0.75 mL/g, more particularly between 0.50 and 0.70 mL/g; and a pore volume in the range of pores with a size of between 100 nm and 1000 nm which is less than or equal to 0.20 mL/g, more particularly less than or equal to 0.15 mL/g, or even less than or equal to 0.10 mL/g.