Abstract: A method can include reacting a stream including one or more C3 to C10 alkanes with bromine in a bromination reactor to form a bromination reactor discharge stream that includes alkylbromides and HBr. The method further includes coupling the alkylbromides in a coupling reactor to form a coupling reactor effluent comprising alkylbromides having between 5 and about 1000 carbon atoms, olefins having between 5 and about 1000 carbon atoms and HBr. The method also includes hydrogenating the alkylbromides having between 5 and about 1000 carbon atoms and olefins having between 5 and about 1000 carbon atoms to form alkanes having between 5 and about 1000 carbon atoms and HBr.

Abstract: A method comprising: providing an alkyl halide stream; contacting at least some of the alkyl halides with a coupling catalyst to form a product stream comprising higher hydrocarbons and hydrogen halide; contacting the product stream with a solid reactant to remove at least a portion of the hydrogen halide from the product stream; and reacting the solid reactant with a source of oxygen to generate a corresponding halogen.

Abstract: A method can include reacting a stream including one or more C3 to C10 alkanes with bromine in a bromination reactor to form a bromination reactor discharge stream that includes alkylbromides and HBr. The method further includes coupling the alkylbromides in a coupling reactor to form a coupling reactor effluent comprising alkylbromides having between 5 and about 1000 carbon atoms, olefins having between 5 and about 1000 carbon atoms and HBr. The method also includes hydrogenating the alkylbromides having between 5 and about 1000 carbon atoms and olefins having between 5 and about 1000 carbon atoms to form alkanes having between 5 and about 1000 carbon atoms and HBr.

Abstract: A method comprising: providing a first halogen stream; providing a first alkane stream; reacting at least a portion of the first halogen stream with at least a portion of the first alkane stream in a first reaction vessel to form a first halogenated stream; providing a second alkane stream comprising C2 and higher hydrocarbons; providing a second halogen stream; and reacting at least a portion of the second halogen stream with at least a portion of the second alkane stream in a second reaction vessel to form a second halogenated stream.

Abstract: A method comprising: providing an alkyl halide stream; contacting at least some of the alkyl halides with a coupling catalyst to form a product stream comprising higher hydrocarbons and hydrogen halide; contacting the product stream with a solid reactant to remove at least a portion of the hydrogen halide from the product stream; and reacting the solid reactant with a source of oxygen to generate a corresponding halogen.

Abstract: A method comprising: providing an alkyl halide stream; contacting at least some of the alkyl halides with a coupling catalyst to form a product stream comprising higher hydrocarbons and hydrogen halide; contacting the product stream with a solid reactant to remove at least a portion of the hydrogen halide from the product stream; and reacting the solid reactant with a source of oxygen to generate a corresponding halogen.

Abstract: A method comprising: providing a first halogen stream; providing a first alkane stream; reacting at least a portion of the first halogen stream with at least a portion of the first alkane stream in a first reaction vessel to form a first halogenated stream; providing a second alkane stream comprising C2 and higher hydrocarbons; providing a second halogen stream; and reacting at least a portion of the second halogen stream with at least a portion of the second alkane stream in a second reaction vessel to form a second halogenated stream.

Abstract: A method comprising: providing an alkyl halide stream; contacting at least some of the alkyl halides with a coupling catalyst to form a product stream comprising higher hydrocarbons and hydrogen halide; contacting the product stream with a solid reactant to remove at least a portion of the hydrogen halide from the product stream; and reacting the solid reactant with a source of oxygen to generate a corresponding halogen.

Abstract: A process is provided for separating one or more light gases from bromine or chlorine using one or more physical separations and contact with a chemical scrubber to recover additional halogen. In one aspect, the process comprises (a) providing a feed of halogen containing one or more light gases to a distillation column or flash vaporizer; (b) operating the distillation column or flash vaporizer to separate the feed into (i) a first liquid containing a major amount of halogen and no more than a minor amount of light gas(es), and (ii) a first vapor containing a major amount of light gas(es) and no more than a minor amount of halogen; and (c) providing the vapor to a chemical scrubber to recover halogen from the vapor.

Abstract: A process for the removal of a pollutant from a gas is provided that includes contacting a gas comprising a pollutant with a cataloreactant wherein the cataloreactant reacts with the pollutant and wherein an oxidation state of the cataloreactant is reduced. The cataloreactant may be regenerated with an oxidizing agent.

Abstract: The invention provides compositions, methods and devices relating to a silaceous oxide that generates a reduced heat of hydration upon contact with blood. By reducing the heat of hydration, the compositions provide a hemostatic agent that attenuates a tissue burning side effect of conventional hemostatic agents without adversely affecting the wound healing properties of the composition.