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2 edition of Analysis of Hanna II in in-situ coal gasification experiments found in the catalog.

Analysis of Hanna II in in-situ coal gasification experiments

R. J Cena

Analysis of Hanna II in in-situ coal gasification experiments

by R. J Cena

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  • 17 Currently reading

Published by Dept. of Energy, Lawrence Livermore Laboratory, for sale by the National Technical Information Service] in [Livermore, Calif.], [Springfield, Va .
Written in English

    Subjects:
  • Coal gasification, Underground -- Testing

  • Edition Notes

    StatementR. J. Cena
    SeriesUCID ; 17859
    ContributionsUnited States. Energy Research and Development Administration, Lawrence Livermore Laboratory
    The Physical Object
    Pagination17 leaves :
    Number of Pages17
    ID Numbers
    Open LibraryOL14884499M

    Coal gasification is the process of producing syngas—a mixture consisting primarily of carbon monoxide (CO), hydrogen (H 2), carbon dioxide (CO 2), natural gas (CH 4), and water vapour (H 2 O)—from coal and water, air and/or oxygen.. Historically, coal was gasified to produce coal gas, also known as "town gas".Coal gas is combustible and was used for heating and municipal lighting, before.   Underground coal gasification: From fundamentals to applications. Progress in Energy and Combustion Science , 39 (1), DOI: / Krzysztof Kapusta, Krzysztof Stańczyk. Pollution of water during underground coal gasification of hard coal and lignite.

    The behaviors of char-ash/slag transition of three different rank coals during char-CO2 gasification were studied by the combination of thermogravimetric analyzer and an in situ heating stage microscope. The effects of coal ranks and gasification temperatures on the interactions of char-ash/slag were analyzed. The results show two reaction forms, which relate to the reaction conditions and. Coal Block Gasification Experiments; Laboratory Results and Field Plans \ C. B. Thorsness and R. W, Hill Evaluation ofCoals from the Rawlins PostblVm Cores Nancy Tcssmcr Ducrring and Burl E. Davrs Pyrometamorphism Caused by the Hanna II Phases^and 3 Underground Coal Gasification Experiment \. Lary K. Burns, Gerald N. Craig II.

    Conference: Some observations from temperature measurements on recent underground coal gasification experiments. [7 refs. ; 8 figs]. Underground coal gasification (UCG) is an in situ conversion technique that enables the production of high-calorific synthesis gas from resources that are economically not minable by conventional methods. A broad range of end-use options is available for the synthesis gas, including fuels and chemical feedstock production. Furthermore, UCG also offers a high potential for integration with.


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Analysis of Hanna II in in-situ coal gasification experiments by R. J Cena Download PDF EPUB FB2

Get this from a library. Analysis of Hanna II in in-situ coal gasification experiments. [R J Cena; United States. Energy Research and Development Administration.; Lawrence Livermore Laboratory.]. 53 A-3 Overall Average Composition of Product Gas from Hanna II, Phase 1 56 * A-4 Summary of Hanna II Results 57 A-5 Summary of Instrumentation Fielded for Phases II and III of the Hanna II Underground Coal Gasification Experiment 59 A-6 Typical Elemental Analysis of Coal Tar 67 A-7 Total Nitrogen, Total Sulfur and Titratable Nitrogen for Acid.

During and the Laramie Energy Technology Center (LETC) conducted a post-burn study at the Hanna II, Phases 2 and 3 underground coal gasification (UCG) site, Hanna, Wyoming. This report contains a summary of the field and laboratory results from the study. Thermal and gas sampling instrumentation used in the Hanna II in situ coal gasification experiment is discussed, and details of the instrumentation hardware, data acquisition and validation procedures, and thermal data analyses are presented.

Analysis of the thermal data provides descriptions of the location, size, and temperature of the reverse combustion linkage path; a thermal and spatial Author: P. Hommert, S. Beard, R. Reed, J. Beyeler, D. Northrop. Underground coal gasification is a complex process as it depends on many factors such as geological and geohydrological analysis of strata, physical and chemical properties of coal, process parameters, seismic events, analysis of produced gases in real time.

Coal chemistry i.e. the properties of coal are most important factors, those Author: Ranjeet Mandal, Tanmoy Maity, S.K. Chaulya, G.M. Prasad. Postburn Evaluation for Hanna II, Phases 2 and 3, Underground Coal Gasification Experiment early experiments with in situ gasification.

Emphasized are the features of each experiment that were. In addition to discussing recent advances and outlining future directions, it covers advanced topics such as underground coal gasification and chemical looping combustion, and describes the state-of-the-art experimental techniques, modeling and numerical simulations, environmentally friendly approaches, and technological challenges involved.

1. Introduction. Underground coal gasification (UCG) is a technology that can be applied to convert the coal resources into synthetic gas. The process involves the injection of oxygen or air into an ignited coal seam and conversion of coal in situ to a combustible gas that can be used for energy production or as a chemical feedstock.

1. Introduction. Underground Coal Gasification provides a promising technical and economic potential to solve current long-term power supply conflicts worldwide by controlled in-situ conversion of otherwise non-mineable coal reserves.While the technique itself is a rather simple concept in theory, experience from major international field trials over the last decades shows its.

The procedure for in situ gasification of coal is as follows. (1) Injection and production wells are drilled from the Hanna II, USA 9 85 Fischer et al. (), Lindblom and Smith Prediction of cavity growth rate during underground coal gasification using multiple regression analysis.

In Environmental Impacts of Coal Mining & Utilization, Basic Principles. Coal gasification means the complete conversion of coal into gas using heterogeneous gas solid reactions. The main process is the reaction of the carbon of coal with steam, at pressures below 10 MPa and temperatures above °C, to form a “synthesis gas” containing mainly CO and H 2 with smaller amounts of.

ii Abstract Underground coal gasification (UCG) is a process of ‘in-situ’ conversion of coal into gaseous products with usable heating value through combustion with oxygen/air and gasification with steam.

From the economic and environmental point of view, UCG is a highly promising clean. The in-situ experiment lasted between the 1st and 7th of August ( h).

The entire experiment was divided into the three following stages: I. 0– h: coal seam ignition and stable operation of the georeactor, II. – h (41 h): unstable operation of the georeactor, III. Underground coal gasification (UCG) is a method whereby the mining and conversion of coal are accomplished in a single step.

Many field tests of UCG have been operated worldwide since the 's with varying degrees of success; based on this experience (especially in the USSR and United States), a field design which is applicable to a wide range of geological conditions and coal properties has.

Analysis of the organic contaminants in the condensate produced in the in situ underground coal gasification process Article (PDF Available) in Water Science & Technology 67(3) November. Several underground coal gasification (UCG) experiments have been conducted in the Hanna No.

1 coal seam. During the fall,the Laramie Energy Technology Center performed a post-burn field study of the Hanna II, Phases 2 and 3 experiment at the Hanna UCG site. PDF | During underground coal gasification (UCG), whereby coal is converted to syngas in situ, a cavity is formed in the coal seam.

The cavity growth | Find, read and cite all the research you. Underground coal gasification is an in situ coal utilization technique that has immense potential as a future clean coal technology. UCG possesses a number of advantages including the ability to.

Coal gasification is presented in terms of the chemistry of coal conversion and the product gas characteristics, the historical development of coal gasifiers, variations in the types and. Purchase Coal Gasification and Its Applications - 1st Edition.

Print Book & E-Book. ISBN. Brown coal gasification Based on the resemblance in fuel analysis done on German brown coal (Heizprofi) and what can be found in literature for different VBC (Bhattacharya ), the German coal was chosen to simulate the VBC from Australia.

The fuel was bought from a briquette supplier. It should be noted that it does not contain the same [email protected]{osti_, title = {Materials testing at the Hanna IV in situ coal gasification site}, author = {Keefer, D.W. and Scoonover, T.M.}, abstractNote = {Candidate structural alloy specimens were exposed for about hr to the direct product gas stream from the Hanna IV underground coal gasification experiment.

When the specimens were removed from the line, they were coated with a [email protected]{osti_, title = {Analysis of early cavity growth in underground coal gasification}, author = {Mai, M C and Edgar, T F and Park, K Y}, abstractNote = {A series of laboratory-scale coal block gasification tests has been performed on Texas lignite.

In all lignite tests a cavity elongated in the direction perpendicular to the bedding plane was formed, which is similar to the.