In-situ coal bed gasification. Patent application No. 257 965

Higgins, G H

Title: In-situ coal bed gasification. Patent application No. 257 965

Full Record
Other Related Research

Inventors:: Higgins, G H

Issue Date:: 1972-05-30

OSTI Identifier:: 5219087

Assignee:: Atomic Energy Commission, Washington, DC

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 01 COAL, LIGNITE, AND PEAT; COAL GASIFICATION; IN-SITU GASIFICATION; SYNTHETIC FUELS; PRODUCTION; FUEL GAS; ENERGY SOURCES; FLUIDS; FUELS; GASES; GASIFICATION; IN-SITU PROCESSING; PROCESSING; 010404* - Coal, Lignite, & Peat- Gasification

Citation Formats


                    Higgins, G H. In-situ coal bed gasification. Patent application No. 257 965.  United States: N. p., 1972. 
        Web.

Copy to clipboard


                    Higgins, G H. In-situ coal bed gasification. Patent application No. 257 965.  United States.

Copy to clipboard


                    Higgins, G H. Tue .  
        "In-situ coal bed gasification. Patent application No. 257 965".  United States.

Copy to clipboard


                    
@article{osti_5219087,

  title        = {In-situ coal bed gasification. Patent application No. 257 965},

  author       = {Higgins, G H},

  abstractNote = {},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1972},

  month        = {5}

}

Copy to clipboard

Patent:

Search for the full text at the U.S. Patent and Trademark Office

Save / Share:

Export Metadata

Save to My Library

Similar Records in DOE Patents and OSTI.GOV collections:

Fluidized-bed catalytic coal-gasification process. [US patent; pretreatment to minimize agglomeration]

Patent Euker, Jr, C A; Wesselhoft, R D; Dunkleman, J J; ...

Coal or similar carbonaceous solids impregnated with gasification catalyst constituents are oxidized by contact with a gas containing between 2 vol % and 21 vol % oxygen at a temperature between 50 and 250/sup 0/C in an oxidation zone and the resultant oxidized, catalyst impregnated solids are then gasified in a fluidized bed gasification zone at an elevated pressure. The oxidation of the catalyst impregnated solids under these conditions insures that the bed density in the fluidized bed gasification zone will be relatively high even though the solids are gasified at elevated pressure and temperature.
Coal gasification vessel. [Patent application]

Patent Loo, B. W.

A vessel system comprises an outer shell of carbon fibers held in a binder, a coolant circulation mechanism and control mechanism and an inner shell comprised of a refractory material and is of light weight and capable of withstanding the extreme temperature and pressure environment of, for example, a coal gasification process. The control mechanism can be computer controlled and can be used to monitor and modulate the coolant which is provided through the circulation mechanism for cooling and protecting the carbon fiber and outer shell. The control mechanism is also used to locate any isolated hot spots which maymore »« less
Full Text Available
Solar coal-gasification reactor with pyrolysis-gas recycle. [Patent application]

Patent Aiman, W. R.; Gregg, D. W.

Coal (or other carbonaceous matter, such as biomass) is converted into a product gas that is substantially free from hydrocarbons. The coal is fed into a solar reactor, and solar energy is directed into the reactor onto coal char, creating a gasification front and a pyrolysis front. A gasification zone is produced well above the coal level within the reactor. A pyrolysis zone is produced immediately above the coal level. Steam, injected into the reactor adjacent to the gasification zone, reacts with char to generate product gases. Solar energy supplies the energy for the endothermic steam-char reaction. The hot productmore »« less
Full Text Available
Coal gasification apparatus. [Patent application]

Patent Nagy, C. K.

Coal hydrogenation vessel has hydrogen heating passages extending vertically through its wall and opening into its interior.
Full Text Available
Method for gasification of deep, thin coal seams. [DOE patent]

Patent Gregg, D W

A method of gasification of coal in deep, thin seams by using controlled bending subsidence to confine gas flow to a region close to the unconsumed coal face is given. The injection point is moved sequentially around the perimeter of a coal removal area from a production well to sweep out the area to cause the controlled bending subsidence. The injection holes are drilled vertically into the coal seam through the overburden or horizontally into the seam from an exposed coal face. The method is particularly applicable to deep, thin seams found in the eastern United States and at abandonedmore »« less

Similar Records