Abstract: Monovinylacetylene is produced by an improved process, wherein acetylene is introduced at temperatures within the range 40.degree. and 100.degree. C and under acetylene gas pressures within the range 0.01 and 10 atmospheres (gauge) into a Nieuwland catalyst type solution being an aqueous copper(I) chloride solution in hydrochloric acid, which is used in admixture with between 0.1 and 10 weight% of an alkali metal salt of an aminocarboxylic acid or of an aminosulfonic acid, and wherein acetylene is introduced into the catalyst solution jointly and simultaneously with an inert organic solvent extractant and stripping agent for the resulting monovinylacetylene, the solvent being in vapor form and being continuously passed through the catalyst solution so as to continually strip off monovinylacetylene originating from dimerized acetylene.

Abstract: A method for carrying out simultaneously the catalytic reactions involving the evolution and consumption of hydrogen, which comprises conducting the reactions in a reaction space divided by a partition made from a material that is selectively permeable to hydrogen only and serves as a catalyst.

Abstract: A process for converting mixtures of C.sub.6 to C.sub.30 n-paraffin and n-paraffin by-products to substantially pure n-paraffin which comprises catalytically hydrogenating the mixture at a temperature of from about 600.degree. to 750.degree.F. in the presence of a Group VIII metal on alumina catalyst, and from about 10 to 5,000 parts per million of nitrogen present as ammonia or an organonitrogen compound. The catalyst can additionally contain a Group VIB or VIIB metal.

Abstract: A method of effecting polymerization of olefins having 6 or more carbon atoms or mixtures of such olefins (hereinafter referred to as the feed olefin), to produce a hydrocarbon liquid polymer which comprises mixing a catalyst composed of aluminum chloride, ketone having 4 or more carbon atoms and olefin catalyst constituent with 0.01 to 0.3 mole of ester, ether or alcohol per mole of said aluminum chloride and effecting the polymerization of the feed olefin at a reaction temperature of more than 60.degree.C.

Abstract: A hydrocarbon oil, particularly a heavy hydrocarbon oil, containing vanadium, nickel, sulfur and asphaltenes is brought into contact with red mud at an elevated temperature in the presence of hydrogen. The treatment removes vanadium, nickel and asphaltenes from oil in high yields.

Abstract: A method for removing a contaminant comprising at least one of arsenic and selenium from a synthetic crude oil or fraction thereof characterized by mixing with the synthetic crude oil feed (1) particles of a material that is either iron, cobalt, nickel, oxides or sulfides of these metals, or a mixture thereof, and (2) hydrogen, and heating the mixture in a reaction zone to deposit said contaminant(s) on said particles. A liquid product stream comprising the synthetic crude oil without the contaminant(s) is recovered, leaving a thickened slurry. All or a portion of the thickened slurry can be withdrawn from the process and all or a part of the slurry can be mixed with fresh synthetic feed. Also disclosed are specific and preferred process details.

Abstract: A process for producing 2,6-dimethyl-1,3,6-octatriene by dimerizing isoprene in the presence of a novel catalyst composition, which comprises: (A) a zirconium component represented by the formula: Zr(OR).sub.n Cl.sub.4.sub.-n wherein R is a chlorinated alkyl group containing two to 20 carbon atoms or a chlorinated cycloalkyl group containing three to 20 carbon atoms, and n is an integer of 1 to 4; (B) an aluminum component represented by the formula: AlR'.sub.m Cl.sub.3.sub.-m wherein R' is an alkyl group containing one to 10 carbon atoms, a cycloalkyl group containing three to 10 carbon atoms, or an aryl group, and m is 1.5 or 2; and (C) a coordinating component.