We provide a process for regenerating a spent acidic ionic liquid, comprising contacting the spent acidic ionic liquid with hydrogen and without an addition of a hydrogenation catalyst; wherein a conjunct polymer content is decreased in the spent acidic ionic liquid to produce regenerated acidic ionic liquid. We also provide a process for making an alkylate gasoline blending component, comprising: a) alkylating a mixture of isoparaffins and olefins using an acidic ionic liquid and an alkyl halide or a hydrogen halide, wherein a conjunct polymer accumulates in a spent acidic ionic liquid; and b) feeding the spent acidic ionic liquid and a hydrogen, and without an addition of a hydrogenation catalyst, to a regeneration reactor operated under selected hydrogenation conditions to produce a regenerated acidic ionic liquid that is used for the alkylating, wherein the conjunct polymer in the regenerated acidic ionic liquid is decreased by at least 50 wt %.

An electrocatalytic device for carbon dioxide conversion includes a cathode with a Catalytically Active Elementa metal in the form of supported or unsupported particles or flakes with an average size between 0.6 nm and 100 nm. The reaction products comprise at least one of CO, HCO.sup., H.sub.2CO, (HCOO).sup., HCOOH, CH.sub.3OH, CH.sub.4, C.sub.2H.sub.4, CH.sub.3CH.sub.2OH, CH.sub.3COO.sup., CH.sub.3COOH, C.sub.2H.sub.6, (COOH).sub.2, (COO.sup.).sub.2, and CF.sub.3COOH.

Disclosed herein is a photocatalytic filter, which includes a plurality of cross-linked polymethyl methacrylate (PMMA)/ionic liquid (IL)/TiO.sub.2 nanocomposite pellets, and a photocatalytic vessel. The plurality of cross-linked PMMA/IL/TiO.sub.2 nanocomposite pellets is placed within the photocatalytic vessel. Each cross-linked PMMA/IL/TiO.sub.2 nanocomposite pellet includes a PMMA polymeric matrix, and a plurality of IL/TiO.sub.2 core-shell microspheres dispersed within the PMMA polymeric matrix. Moreover, each IL/TiO.sub.2 core-shell microsphere includes a core of IL and a shell of TiO.sub.2 nanoparticles.

Provided herein are processes for ethylene oligomerization in the presence of an ionic liquid catalyst and a co-catalyst to produce a hydrocarbon product comprising C.sub.10-C.sub.55 oligomers.

A process, comprising: providing an olefin feed comprising pentenes, butenes, and isopentane; and alkylating the olefin feed with isobutane using acidic ionic liquid catalyst; wherein less than 5 mol % of C.sub.5 olefins in the olefin feed are converted to isopentane, and the alkylate gasoline has defined final boiling points and high RONs. A process comprising: alkylating an olefin feed comprising pentenes and isopentane, with isobutane using acidic ionic liquid catalyst; wherein less than 5 mol % of C.sub.5 olefins in the olefin feed are converted to isopentane; and wherein an n-pentane product yield is low. An alkylate gasoline, comprising less than 0.1 wt % olefins and aromatics, less than 1.8 wt % C.sub.12+ hydrocarbons, and greater than 60 wt % combined C.sub.8 and C.sub.9 hydrocarbons, wherein the trimethylpentane in the C.sub.8 hydrocarbons and the trimethylhexane in the C.sub.9 hydrocarbons are defined.

A process for the production of cellulose nanocrystals directly from wood, grass or bioresidues wherein the wood is treated with an ionic liquid and novel cellulose nanocrystals obtained by the process.

A micro-emulsion and a method of making the micro-emulsion are described. The micro-emulsion composition includes more than about 50 vol % of an oil phase and polar structures. The oil phase comprises a hydrocarbon component and a co-solvent, and the polar structures comprise an ionic liquid. The ionic liquid comprises a halometallate anion and a cation which is at least slightly soluble in the hydrocarbon component or in the co-solvent. The micro-emulsion can optionally include a surfactant, and a catalyst promoter. The co-solvent has a polarity greater than the polarity of the hydrocarbon, and the co-solvent is miscible in the hydrocarbon.

This invention relates to heterogeneous catalysts useful for selective hydrogenation of unsaturated hydrocarbons, comprising palladium and optionally a promoter, supported on a substrate, having an uncoated BET surface area of 9 m.sup.2/g, the surface being coated with an ionic liquid. Also described are methods of making the catalysts and methods of selective hydrogenation of acetylene and/or dienes in front-end mixed olefin feed streams.

This invention relates to heterogeneous catalysts useful for selective hydrogenation of unsaturated hydrocarbons, comprising palladium and optionally a promoter, supported on a substrate, having an uncoated BET surface area of 9 m.sup.2/g, the surface being coated with an ionic liquid. Also described are methods of making the catalysts and methods of selective hydrogenation of acetylene and/or dienes in front-end mixed olefin feed streams.

A transformational energy efficient technology using ionic liquid (IL) to couple with monoethanolamine (MEA) for catalytic CO.sub.2 capture is disclosed. [EMmim.sup.+][NTF.sub.2.sup.] based catalysts are rationally synthesized and used for CO.sub.2 capture with MEA. A catalytic CO.sub.2 capture mechanism is disclosed according to experimental and computational studies on the [EMmim.sup.+][NTF.sub.2.sup.] for the reversible CO.sub.2 sorption and desorption.