Abstract: According to the process of this invention, alcohols are recovered from aqueous acid solution by permeation of the alcohol through a perfluorinated ionomer membrane. An improved process for the manufacture of alcohols by acid absorption of olefins is also disclosed, the improvement residing in the use of a perfluorinated ionomer membrane to selectively permeate alcohols from the concentrated aqueous strong acid solution thereof co-produced in their synthesis from olefins.

Abstract: An improved process for preparing ketones by contacting a secondary aliphatic alcohol in the vapor phase with a trimetallic catalyst containing molybdenum, rhenium and a Group VIII noble metal.

Abstract: According to one aspect of the present invention, improved acrylic copolymer resins are provided which are formed by co-polymerization of a monomer mixture comprising hydroxy-substituted alkyl (meth)acrylates, alkyl methlacrylates or vinyl aromatics, and higher alpha-olefins. The invention provides improved low molecular weight acrylic resins useful as components in high solids acrylic coatings suitable for electrostatic spraying.

Abstract: In accordance with the process of this invention, an improved catalyst for molecular oxidation of a hydrocarbon to form the corresponding carboxylic anhydrides is prepared by the steps of (a) forming a catalyst precursor by depositing on titanium dioxide solids in the anatase form at least a monolayer amount of at least one vanadium oxide source which is convertible to vanadium oxide upon calcining; (b) calcining the thus-formed catalyst precursor under conditions sufficient to convert the tantalum oxide source into the oxide form; (c) depositing upon the calcined catalyst precursor a catalytically effective amount of at least one vanadium oxide source which is convertible into vanadium oxide upon heating and at least one metal oxide source selected from the group consisting of oxides of Sb, Ga, Ge, In, T.sub.1, Pb, Se, Te, P and Bi, which is convertible into the corresponding metal oxide upon heating and which is reactive with V.sub.2 O.sub.

Abstract: In accordance with the process of this invention, an improved catalyst for molecular oxidation of hydrocarbons to form the corresponding carboxylic anhydrides is prepared by the steps of forming a catalyst precursor by depositing on titanium dioxide catalyst solids in the anatase form a continuous monolayer amount of at least one source of titanium oxide, calcining the thus-formed catalyst percursor under conditions sufficient to convert the titanium oxide source into the oxide form, depositing upon the calcined catalyst precursor a continuous monolayer amount of at least one vanadium compound which is convertible into vanadium oxide upon heating and calcining the vanadium-deposited solids under conditions sufficient to convert the vanadium compound into vanadium oxide.

Abstract: In accordance with the process of this invention, an improved catalyst for molecular oxidation of an aromatic hydrocarbon to form the corresponding aromatic carboxylic anhydrides is prepared by the steps of forming a catalyst precursor by depositing on titanium dioxide solids in the anatase form a continuous monolayer amount of at least one source of zirconium dioxide, calcining the thus-formed catalyst precursor under conditions sufficient to convert the zirconium oxide source into the oxide form, depositing upon the calcined catalyst precursor a catalytically effective amount of at least one vanadium compound which is convertible into vanadium oxide upon heating and calcining the vanadium-deposited solids under conditions sufficient to convert the vanadium compound into vanadium oxide.

Abstract: In accordance with the process of this invention, an improved catalyst for molecular oxidation of an aromatic hydrocarbon to form the corresponding aromatc carboxylic anhydrides is prepared by the steps of forming a catalyst precursor by depositing on titanium dioxide solids in the anatase form a discontinuous monolayer amount of at least one source of tantalum oxide, calcining the thus-formed catalyst precursor under conditions sufficient to convert the tantalum oxide source into the oxide form, depositing upon the calcined catalyst precursor a catalytically effective amount of at least one vanadium compound which is convertible into vanadium oxide upon heating and calcining the vanadium-deposited solids under conditions sufficient to convert the vanadium compound into vanadium oxide.

Abstract: The present invention relates to a process for chromatographically concentrating and separating a component of a multi-component feedstream using a magnetically stabilized fluidized bed. More particularly, the present invention concerns an isomobility focusing process wherein a feedstream is introduced into a magnetically stabilized bed of magnetizable solids for which the component to be separated has an affinity, the solids descending countercurrently to the ascending flow of a fluidizing medium, the feedstream and the fluidizing medium together comprising a fluid phase within the column, under conditions wherein the component is concentrated within at least one isomobility focusing zone within the column, wherein such zone an equilibrium is maintained between the velocity of the component in the fluid phase and the velocity of the component on the solid phase.

Abstract: According to the process of the present invention, carboxylic acids are recovered from aqueous strong acid mixtures thereof which mixtures are formed as an alcohol-depleted phase by the extraction of alcohols from aqueous strong acid solution with carboxylic acids, by contacting the mixtures with a liquid organic solvent, to form a purified aqueous strong acid stream depleted in such carboxylic acid by contacting such aqueous strong acid mixtures with a liquid organic solvent, such as an alkane, alkene or di-alkyl ether to form a purified aqueous strong acid depleted in such carboxylic acid.

Abstract: According to the process of the present invention, alcohols are recovered from aqueous mixtures thereof with a concentrated strong acid by contacting such alcohol-containing aqueous concentrated acid mixtures with a carboxylic acid selected from the group consisting of acids of the formula RCO.sub.2 H wherein R is a straight or branched-chain or cyclic alkyl of from 5 to 19 carbon atoms per molecule to form an extract phase containing the carboxylic acid in addition to said alcohol, and an aqueous raffinate phase depleted in the alcohol.

Abstract: According to one aspect of the present invention, an improved method for preparing acrylic copolymer resins is provided in which the polymerization solvent includes an internal olefin. The monomers comprise hydroxy-substituted alkyl (meth)acrylates, and non-hydroxy substituted alkyl (meth)acrylates, and the process provides an improved method for forming low molecular weight acrylic resins useful as components in high solids acrylic coatings suitable for electrostatic spraying. The polymerization solvent can remain in the resin to become the solvent employed in the higher solids coating containing the thus-formed acrylic resins and provides surprisingly improved electrical resistivity and color decreased over previously used polymerization solvents, and has good compatibility with the acrylic monomer/resin system.

Abstract: The invention relates to a process for selectively adsorbing ethylbenzene from a stream containing one or more isomeric xylenes. The ethylbenzene is adsorbed on a gallium Beta zeolite. A desorbent comprising para-dialkylbenzene gives the zeolite good ethylbenzene selectivity over the xylenes.

Abstract: A process for separating a C.sub.10 aromatic isomer, particularly paradiethylbenzene, from a feedstream containing a mixture of C.sub.10 aromatic isomers by contacting the feedstream with a bed of the adsorbent zeolite beta. The adsorbed C.sub.10 aromatic isomer is removed from the adsorbent by desorption.

Abstract: According to one aspect of the present invention, an improved method for preparing acrylic copolymer resins is provided in which the polymerization solvent comprises an alkanoic acid alkyl ester having a total of from about 7 to 18 carbon atoms per molecule. The monomers comprise hydroxy-substituted alkyl (meth)acrylates, and non-hydroxy substituted alkyl (meth)acrylates, and the process provides an improved method for forming low molecular weight acrylic resins useful as components in high solids acrylic coatings suitable for electrostatic spraying. The polymerization solvent can remain in the resin to become the solvent employed in the higher solids coating containing the thus-formed acrylic resins and provides surprisingly improved electrical resistivity and solvency and decreased surface tensions over prior art polymerization solvents.

Abstract: A process for preparing a catalyst composition wherein a Metal Hydrocarboxide I, such as aluminum secbutoxide, a Metal Hydrocarboxide II, such as zirconium butoxide, an acidic phosphorus-oxygen composition, such as phosphoric acid, and water, are reacted in the presence of a liquid organic medium, such as acetone, to form a catalyst precursor composition, which is then calcined to form the catalyst, is disclosed. The catalyst is useful for condensing carboxylic acids or their ester with aldehydes or acetals to synthesize .alpha. ,.beta.-ethylenically unsaturated acids or esters, such as methylmethacrylate.

Abstract: An improved process is provided for forming ketones from the corresponding olefins by vapor phase oxidiation of the olefin in the presence of molecular oxygen and water vapor employing a heterogeneous catalyst comprising rhenium compounds and complexes, optionally containing at least one metal compound or complex selected from the group consisting of Group VIB metals and Group VIII noble metals, and mixtures thereof. It has been surprisingly found that these catalysts effect the formation of ketones in high selectivities with minimal selectivities to the undesirable carbon dioxide and carbon monoxide by-products.

Abstract: Magnetizable adsorbent particles suitable for use in a magnetically stabilized fluidized bed and with a smaller particle size than conventionally formed composite adsorbents are prepared by introducing magnetizable particles such as magnetite or iron into a reaction mixture for forming a zeolite having adsorbent properties, such as zeolite Y. The zeolite is formed as a coating on the magnetizable particle.

Abstract: The sorption process involves combining a simulated countercurrent flow system with a stationary magnetically stabilized fluidized bed to achieve continuous adsorption-desorption to separate components of a feedstream.

Abstract: Magnetizable adsorbent particles suitable for use in a magnetically stabilized fluidized bed and with a smaller particle size than conventionally formed composite adsorbents are prepared by introducing magnetizable particles such as magnetite or iron into a reaction mixture for forming a zeolite having adsorbent properties, such as zeolite Y. The zeolite is formed as a coating on the magnetizable particle.