PapersFlow Research Brief
Mining and Gasification Technologies
Research Guide
What is Mining and Gasification Technologies?
Mining and Gasification Technologies encompass underground coal gasification (UCG) processes that convert coal into syngas in situ, alongside geomechanical analysis, environmental impact assessments, and economic evaluations of mining operations.
This field includes 39,962 papers on UCG fundamentals, hydrogen and syngas production, and carbon capture and storage. Research addresses gasification processes, geomechanical analysis, and syngas composition in regions like India and China. Growth rate over the past 5 years is not available.
Topic Hierarchy
Research Sub-Topics
Underground Coal Gasification Processes
This sub-topic covers chemical reactions, cavity growth dynamics, and operational parameters in UCG, including syngas composition control and injection strategies. Researchers model gasification kinetics and optimize process efficiency using lab-scale and field experiments.
Geomechanical Analysis in UCG
This sub-topic examines rock deformation, subsidence risks, and cavity stability during UCG operations through numerical simulations and monitoring. Researchers develop predictive models for geomechanical hazards in varied coal seam conditions.
Environmental Impact of Underground Coal Gasification
This sub-topic assesses groundwater contamination, aquifer protection, and greenhouse gas emissions from UCG sites. Researchers conduct hydrogeological studies and lifecycle analyses to evaluate long-term ecological consequences.
Carbon Capture and Storage in UCG
This sub-topic explores integration of CCS technologies with UCG for syngas purification and CO2 sequestration in depleted seams. Researchers investigate capture efficiencies, injection protocols, and storage integrity using pilot data.
Economic Assessment of UCG Projects
This sub-topic evaluates cost-benefit analyses, resource recovery rates, and market competitiveness of UCG versus surface mining or LNG. Researchers perform techno-economic modeling for regional deployments in China and India.
Why It Matters
Underground coal gasification enables syngas production without surface mining, reducing environmental impacts through in-situ conversion and integration with carbon capture and storage. Geomechanical analysis supports safe cavity stability during UCG, as explored in foundational rock mechanics studies like "A computer model for simulating progressive, large-scale movements in blocky rock systems" by Peter Cundall (1971), which has 1923 citations and models block movements relevant to mining stability. Economic assessments evaluate UCG viability in coal-rich areas such as India and China, while papers like "Suggested methods for determining tensile strength of rock materials" (1978, 1004 citations) provide standards for rock property testing essential for gasification site selection.
Reading Guide
Where to Start
"A computer model for simulating progressive, large-scale movements in blocky rock systems" by Peter Cundall (1971) introduces discrete element modeling essential for understanding rock stability in mining and UCG contexts.
Key Papers Explained
"Some Social and Psychological Consequences of the Longwall Method of Coal-Getting" by Eric Trist, K. W. Bamforth (1951, 2725 citations) examines human factors in coal mining, linking to geomechanical concerns in "A computer model for simulating progressive, large-scale movements in blocky rock systems" by Peter Cundall (1971, 1923 citations), which models rock dynamics. "Suggested methods for determining tensile strength of rock materials" (1978, 1004 citations) builds on these by standardizing rock tests, while "Engineering classification of jointed rock masses" (1974, 941 citations) provides classification systems applied in UCG stability assessments.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current focus remains on applying classic geomechanical models like Cundall's (1971) to UCG cavity simulations, with no recent preprints available. Research continues integrating rock tensile strength methods (1978) and joint classifications (1974) for gasification in coal regions.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Geochemistry of hydrothermal ore deposits | 1997 | Choice Reviews Online | 3.9K | ✕ |
| 2 | Some Social and Psychological Consequences of the Longwall Met... | 1951 | Human Relations | 2.7K | ✕ |
| 3 | Geochemistry of hydrothermal ore deposits | 1968 | Geochimica et Cosmochi... | 2.0K | ✕ |
| 4 | A computer model for simulating progressive, large-scale movem... | 1971 | Medical Entomology and... | 1.9K | ✕ |
| 5 | 1958 | Memoir - Geological So... | 1.6K | ✕ | |
| 6 | Theory of elasticity of an anisotropic elastic body | 1964 | Journal of the Frankli... | 1.5K | ✕ |
| 7 | Estimation of the size of earthquake preparation zones | 1979 | Pure and Applied Geoph... | 1.2K | ✕ |
| 8 | HANDBOOK OF ENVIRONMENTAL ISOTOPE GEOCHEMISTRY | 1986 | Elsevier eBooks | 1.1K | ✕ |
| 9 | Suggested methods for determining tensile strength of rock mat... | 1978 | International Journal ... | 1.0K | ✕ |
| 10 | Engineering classification of jointed rock masses | 1974 | International Journal ... | 941 | ✕ |
Frequently Asked Questions
What is underground coal gasification?
Underground coal gasification converts coal into syngas directly in the subsurface by injecting oxidants like air or steam. This process produces hydrogen and syngas while avoiding conventional mining. It integrates with carbon capture for reduced emissions.
How does geomechanical analysis apply to UCG?
"A computer model for simulating progressive, large-scale movements in blocky rock systems" by Peter Cundall (1971) models rock block movements critical for UCG cavity stability. Such analysis predicts subsidence risks during gasification. It uses discrete element methods for fractured rock systems.
What are key environmental impacts of UCG?
UCG research examines groundwater contamination, subsidence, and emissions alongside carbon capture and storage. "HANDBOOK OF ENVIRONMENTAL ISOTOPE GEOCHEMISTRY" (1986, 1090 citations) addresses isotope tracing for environmental monitoring in mining contexts. These impacts drive assessments in regions like China and India.
What methods determine rock strength in mining?
"Suggested methods for determining tensile strength of rock materials" (1978, 1004 citations) standardizes tensile testing for rock in mining and UCG applications. Procedures include direct and indirect methods like Brazilian tests. Results inform geomechanical models for gasification safety.
How is rock mass classified for engineering in mining?
"Engineering classification of jointed rock masses" (1974, 941 citations) provides systems like RMR for assessing jointed rocks in mining. Classifications guide support design and stability predictions. They apply to UCG cavity roof evaluations.
What role does elasticity theory play in mining rocks?
"Theory of elasticity of an anisotropic elastic body" by William A. Segraves (1964, 1523 citations) models stress in non-isotropic rocks common in mining. It supports analysis of deformation around UCG cavities. Equations account for directional variations in rock properties.
Open Research Questions
- ? How can geomechanical models predict long-term subsidence from UCG cavities?
- ? What syngas compositions optimize hydrogen yield in varied coal seams?
- ? Which carbon capture methods best integrate with UCG in regions like India?
- ? How do jointed rock classifications improve UCG site selection?
- ? What economic factors determine UCG feasibility versus surface gasification?
Recent Trends
The field maintains 39,962 papers with no specified 5-year growth rate.
Citation leaders include "Geochemistry of hydrothermal ore deposits" (1997, 3853 citations) and Eric Trist, K. W. Bamforth (1951, 2725 citations).
No recent preprints or news coverage from the last 12 months indicate steady reliance on established rock mechanics and mining papers.
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