A hydrocarbon conversion process is described. The process involves contacting a hydrocarbon feed with a non-cyclic amide or thioamide based ionic liquid catalyst in a reaction zone under reaction conditions to form a mixture comprising reaction products, and the non-cyclic amide or thioamide based ionic liquid catalyst. Typical hydrocarbon conversion processes include alkylation, oligomerization, isomerization, disproportionation, and reverse disproportionation.

A process for producing natural gasoline. The process includes increasing the n-pentane concentration of debutanized natural gasoline. The process may include a first concentration process that includes distillation and a second concentration process that includes simulated moving bed adsorption.

Disclosed herein is a process for forming an oligomer product comprising (a) introducing into a reaction zone (i) ethylene; (ii) a heteroatomic ligand metal salt complex comprising a heteroatomic ligand complexed to a first metal salt; (iii) a second metal salt wherein an equivalent molar ratio of the second metal salt to the heteroatomic ligand of the heteroatomic ligand metal salt complex is at least 0.5:1 and where the second metal salt is an iron salt, a cobalt salt, or any combination thereof; (iv) an organoaluminum compound; and (b) forming an oligomer product. Also disclosed herein is a process comprising (a) introducing into a reaction zone (i) ethylene; (ii) a heteroatomic ligand; (iii) a metal salt where an equivalent molar ratio of the metal salt to the heteroatomic ligand is at least 1.5:1; (iv) an organoaluminum compound; and (b) forming an oligomer product.

Processes for regenerating ionic liquid catalyst by contacting the ionic liquid catalyst with hydrogen gas in a regeneration reactor. The amount of hydrogen is less than 550 SCF/BBL (97.96 m.sup.3/m.sup.3) of spent ionic liquid catalyst, or less than 500 SCF/BBL (89.05 m.sup.3/m.sup.3) of spent ionic liquid catalyst, or between 550 and 45 SCF/BBL (97.96 and 8.015 m.sup.3/m.sup.3) of spent ionic liquid catalyst, or between 500 and 50 SCF/BBL (89.05 and 8.905 m.sup.3/m.sup.3) of spent ionic liquid catalyst. Alkylation processes are also disclosed.

Processes for regenerating ionic liquid catalyst in which reaction vessel is operated under conditions sufficient to perform, in the presence of an ionic liquid catalyst, a hydrocarbon conversion reaction and provide a reaction effluent. The reaction effluent is separated into a hydrocarbon phase and a spent ionic liquid catalyst, wherein the spent ionic liquid catalyst includes conjunct polymer. The spent ionic liquid catalyst is contacted with hydrogen in a regeneration zone at conditions sufficient to reduce an amount of conjunct polymer in the spent ionic liquid catalyst to provide a regenerated effluent. The regenerated effluent is separated into a liquid phase comprising regenerated ionic liquid catalyst and a vapor phase comprising hydrogen and hydrogen chloride. The hydrocarbon phase is separated into a plurality of liquid hydrocarbon streams. The vapor phase is isolated from the liquid hydrocarbon streams. Alkylation processes are also disclosed.

A process for producing an aldehyde is disclosed. The process comprises: hydroformylating an olefin to form the aldehyde using a hydroformylation catalyst; recovering an effluent stream comprising the aldehyde, hydrogen and the hydroformylation catalyst; passing the effluent stream to a stripper; contacting the effluent stream with a strip gas in the stripper to produce a stripped effluent stream having a lower hydrogen concentration than the effluent stream; and recovering the stripped effluent stream.

A process for producing high octane alkylate is provided. The process involves reacting isobutane and ethylene using an ionic liquid catalyst. Reaction conditions can be chosen to assist in attaining, or to optimize, desirable alkylate yields and/or properties.

The invention relates to methods of hydrodeoxygenation of oxygenated compounds into compounds with unsaturated carbon-carbon bonds, comprising the steps of: a) providing a reaction mixture comprising, an oxygenated compound containing one or more of a hydroxyl, keto or aldehyde group, an ionic liquid, a homogeneous metal catalyst, and carbon monoxide or a carbon monoxide releasing compound, b) reacting said reaction mixture under a H2 atmosphere at acidic conditions at a temperature between 180 and 250? C. and a pressure between 10 and 200 bar.

An isoalkane alkylate base oil consisting predominantly of long carbon chain molecules having a straight chain of no less than 12 carbons and having at least one branch towards the middle of the straight chain, and characterized by: a) containing <10 wt % n-alkanes, <0.1 wt % olefinic hydrocarbons, and <0.1 wt % aromatic hydrocarbons; b) the at least one branch is a branched alkyl group containing 4 or more carbon atoms; and c) the long carbon chain molecules have two terminal linear unbranched alkyl groups each containing at least 4 carbons. Also, an isoalkane alkylate base oil, characterized by having a total integral of the .sup.13C NMR spectrum wherein more than 25% of the total integral of the .sup.13C NMR spectrum falls within .sup.13C NMR resonances in ranges for linear long chain alkyl groups given by: C1(13.9-14.2 ppm), C2(22.6-22.8 ppm), C3(31.9-32.05 ppm), C4(29.35-29.45 ppm), and C5+(29.6-29.8 ppm).

An object of the present invention is to provide a method for suppressing the precipitation of polymers with a high concentration dissolved in a solvent in the operation termination step and suppressing the blockage of the apparatus by the polymers even when the polymers with a high concentration are precipitated, and the invention relates to a method for producing an -olefin low polymer comprising a production operation step and an operation termination step, wherein the supply position of a supply liquid to a distillation column in the operation termination step is changed to a position lower than the supply position of a supply liquid to the distillation column in the production operation step.