This invention relates to compositions and methods for fluid hydrocarbon product, and more specifically, to compositions and methods for fluid hydrocarbon product via catalytic pyrolysis. Some embodiments relate to methods for the production of specific aromatic products (e.g., benzene, toluene, naphthalene, xylene, etc.) via catalytic pyrolysis. Some such methods may involve the use of a composition comprising a mixture of a solid hydrocarbonaceous material and a heterogeneous pyrolytic catalyst component. In some embodiments, the mixture may be pyrolyzed at high temperatures (e.g., between 500 °C and 1000 °C). The pyrolysis may be conducted for an amount of time at least partially sufficient for production of discrete, identifiable biofuel compounds. Some embodiments involve heating the mixture of catalyst and hydrocarbonaceous material at high rates (e.g., from about 50 °C per second to about 1000 0C per second). The methods described herein may also involve the use of specialized catalysts. For example, in some cases, zeolite catalysts may be used; optionally, the catalysts used herein may have high silica to alumina molar ratios. In some instances, the composition fed to the pyrolysis reactor may have a relatively high catalyst to hydrocarbonaceous material mass ratio (e.g., from about 5: 1 to about 20:1).

Catalytic pyrolysis of solid biomass and related biofuels, aromatic, and olefin compounds

A zeolite catalyst from ZSM-5 modified with phosphorus, rare earth elements and pore structure regulator is used for methanol/dimethyl ether conversion to light olefins. High temperature, non-recycling, continuous-running process is realized in the reactor system, comprising a dehydration reactor and several (2-n) adiabatic, fixed bed cracking reactors, loaded with the catalyst in multi-stage packing and operated in reaction regeneration cycles. The catalyst possesses high activity, high selectivity, good hydrothermal stability and long reaction life time. Operation of 100% methanol conversion and >85% C 2 -C 4 selectivity has been performed in a reactor system of the scale 0.7-1 ton CH 3 OH/day for >600 hours on stream and with reaction time of single cycle >24 hours.

Process for the conversion of methanol to light olefins and catalyst used for such process

A process for producing hydrocarbons comprising contacting, under conversion conditions, an aqueous methanol with a crystalline aluminosilicate zeolite catalyst which is hydrothermally stable in the temperature range of from 250° C. to 500° C. and is capable of converting methanol to hydrocarbons, and with a promoter comprising one or more compounds selected from the group consisting of aromatic hydrocarbons, precursors to aromatic hydrocarbons, olefins, precursors to olefins and aldehydes to form a mixture comprising light olefins, lower alkanes and monocyclic aromatic hydrocarbons and recovering said hydrocarbons.

Methanol conversion to hydrocarbons with zeolites and cocatalysts

This invention provides processes for forming light olefins from methanol and/or from syngas through a dimethyl ether intermediate. Specifically, the invention is to converting methanol and/or syngas to dimethyl ether and water in the presence of a first catalyst, preferably comprising γ-alumina, and converting the dimethyl ether to light olefins and water in the presence of a second catalyst, preferably a molecular sieve catalyst composition.

Processes for converting oxygenates to olefins at reduced volumetric flow rates

Methods for the physical and operational integration of a carbonaceous gasification plan, a gaseous fuel synthesis plant and a power generation station to economincally produce synfuel and electrical power comprising producing gases comprising carbon monoxide and hydrogen from carbonaceous raw materials in a gasification unit wherein the gasification unit utilizes exhaust steam from a power generating unit to provide various energy needs for producing synthesis gas, utilizing the hydrogen derived from the gasification unit in the liquefying and hydrogenation of coal or hydrogenation of natural gas in a fuel synthesis unit wherein the heat generated from the exothermic reactions in the fuel synthesis unit is employed to generate high pressure steam which is fed to a power generation unit to drive electrical power producing turbines wherein the exhaust steam from the turbine is used in the gasification unit as a heat source during gasification and collecting of steam condensate from the exhaust steam and recycling condensate to provide water to the fuel synthesis unit.

Integrated coal liquefaction, gasification and electricity production process

The conversion of methanol to gasoline boiling products in a plurality of sequentially arranged catalyst beds comprising a dehydration catalyst followed by a special class of crystalline zeolite conversion catalyst is described wherein the dehydration catalyst life is prolonged and durene formed in the process is recycled to the zeolite catalyst conversion step.

Hanson F

Papers

Conversion of methanol to gasoline product