Production of hydrocarbon liquids

Inactive Publication Date: 2011-06-23
KELLY KAREN SUE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0010]At least one of the needs and objectives that will become apparent from the following description is achieved in the present invention which comprises a process for producing substantially C5

Problems solved by technology

Their major limitation is that they do not produce gasoline mixtures, only predominantly diesel-range mixtures, those being mostly paraffinic and aromatic hydrocarbons with a C10 to C15 carbon skeleton.
Much research and effort has been undertaken to modify the original Fischer-Tropsch process to produce the gasoline-range mixtures, those having a C5 to C12 carbon skeleton, but to no avail.
Howev

Method used

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  • Production of hydrocarbon liquids
  • Production of hydrocarbon liquids
  • Production of hydrocarbon liquids

Examples

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example 1

[0053]The primary elements of the process for producing liquid and gaseous hydrocarbons, plus water, of the present invention is shown generally at 10 in the block diagram of FIG. 1. In this diagram, solid organic material such as wood is utilized as organic feedstock 12. In the following description, variations on the process are included.

[0054]Organic feedstock 12 is prepared to enter the heating device also herein referred to as the gasifier 20. The organize feedstock 12 can be comprised of any or a combination of vegetative material, components of household garbage, man-made organic compounds such as plastic or rubber or a described above. In a preferred embodiment, wood chips are prepared as described with reference to FIG. 1, by reducing in particle size 14 and drying 16 to suit uniform feeding and heating. Following preparation, the wood chips 12 are then fed into the heating device 20. The heating device 20, for example, may be, but not limited to, a fluidized bed gasifier, ...

example 2

[0071]In an alternative embodiment disclosed in the present example, generally shown in FIG. 2 at 83, a gaseous organic feedstock 87 is utilized. For the purposes of the present example, the gas may be a single compound or a mixture of carbon-based organic gases. It should be understood that non-carbon-based gases and compounds may also be present in the gaseous organic feedstock 87 of the present example. For example, the gases referred to in the present example may be those resulting from the anaerobic digestion of manures or municipal sewage sludge, or landfill gas, which are likely to be or contain methane and carbon dioxide among other present compounds. By way of example of a single compound is propane, which may be the by-product of another process, can be utilized in an embodiment of the present example. The aforementioned gases are by way of examples; one skilled in the art will appreciate that many different possibilities exist for gaseous organic feedstock 87, which may a...

example 3

[0082]In an alternative embodiment disclosed in the present example, generally shown in FIG. 3 at 111, liquid organic feedstock 115 is processed. For exemplary purposes, the liquid organic feedstock 115 may be bio-oil from the pyrolysis of cellulosic material. Alternatively, or in combination with the preceding, the liquid organic feedstock 115 may be black or green liquour resulting from the processing of wood for the preparation of pulp. As will be readily appreciated, the most appropriate liquid organic feedstocks 115 will be generally known as liquids which are “carbon-rich”.

[0083]With reference to FIG. 3, the organic feedstock liquids 115 are fed into a heating device or gasifier 112. The heating device or gasifier 112 partially oxidizes liquid organic feedstock 115 to produce a synthesis gas 74 comprised primarily of carbon monoxide and hydrogen, but also may include carbon dioxide, hydrocarbons such as alkanes, alkenes or alkynes, suspended particulate matter, tars, or light ...

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Abstract

A process to efficiently convert organic feedstock material into liquid non-oxygenated hydrocarbons in the C5 to C12 carbon skeleton range is disclosed. The process can utilize gaseous, liquid or solid organic feedstocks containing carbon, hydrogen and, optionally, oxygen. The feedstock may require preparation of the organic feedstock for the process and is converted first into a synthesis gas containing carbon monoxide and hydrogen. The synthesis gas is then cleaned and conditioned and extraneous components removed, leaving substantially only the carbon monoxide and hydrogen. It is then converted via a series of chemical reactions into the desired liquid hydrocarbons. The hydrocarbons are suitable for combustion in a vehicle engine and may be regarded a replacement for petrol made from fossil fuels in the C5 to C12 carbon backbone range. The process also recycles gaseous by-products back through the various reactors of the process to maximize the liquid hydrocarbon in the C5 to C12 carbon skeleton range yield.

Description

RELATED APPLICATION[0001]The present application is related to and claims benefit of priority to U.S. Provisional Application No. 61 / 124,869 entitled “A Process for Producing Gasoline From Carbonaceous Feedstock” filed Apr. 21, 2008, the disclosure of which is hereby fully incorporated by reference.FIELD OF THE INVENTION[0002]The present invention is related to a process for producing hydrocarbons for use as a fuel. Specifically, the present invention is related to the production of non-oxygenated hydrocarbons having a C5 to C12 carbon skeleton produced via a dimethyl ether catalytic reaction from synthesis gas.BACKGROUND OF THE INVENTION[0003]Fuel for vehicles has been produced in the past from the refining of crude oil. The refining process results in gasoline, jet fuel and diesel fuel. This source has been the mainstay of fuel for our transportation systems since the 1800s.[0004]In 1955, synthetic oil was first produced from coal by Sasol, a South African group of companies in th...

Claims

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Application Information

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IPC IPC(8): C07C1/20C07C1/24
CPCC10G3/49C07C41/01C10G2300/1014C10G2300/1018C10G2300/1022C10G2300/4081C10G2400/02C10G2400/22C10G2400/30C01B3/323C01B3/382C01B3/48C01B3/52C01B2203/0244C01B2203/0283C01B2203/0415C01B2203/0475C01B2203/062C01B2203/0894C01B2203/1058C10K1/02C10K3/04C10G2/334C10K1/007C10J3/463C10J3/54C10K1/10C10J2300/092C10J2300/1238C10J2300/1656C10G3/52C07C43/043Y02P30/40Y02P30/20C01B3/32C01B3/50C01B2203/025C01B2203/04C01B2203/048C07C1/22C07C2529/06C10J3/46
Inventor KELLY, KAREN SUEMELNICHUK, LARRY JACK
Owner KELLY KAREN SUE
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