Research on evaluation technology system of mid-deep underground coal gasification based on researchers from China [PDF]
HeliyonUnderground coal gasification is of great strategic significance to the effective and clean development of coal resources and scale up production of natural gas worldwide.
xinjun Chen +3 more
doaj +5 more sources
Constructed wetland as a green remediation technology for the treatment of wastewater from underground coal gasification process. [PDF]
PLoS OneThe wastewater from underground coal gasification (UCG) process has extremely complex composition and high concentrations of toxic and refractory compounds including phenolics, aliphatic and aromatic hydrocarbons, ammonia, cyanides, hazardous metals and ...
Jałowiecki Ł +5 more
europepmc +4 more sources
Effects of Pressurized Pyrolysis on the Chemical and Porous Structure Evolution of Coal Core during Deep Underground Coal Gasification. [PDF]
ACS Omega, 2023 During deep underground coal gasification, the semicoke produced by the pyrolysis of dense coal cores is an important material for its gasification and combustion.
Niu M +5 more
europepmc +2 more sources
Modeling Methodology for Site Selection Evaluation of Underground Coal Gasification Based on Combination Weighting Method with Game Theory. [PDF]
ACS Omega, 2023 The lack of systematic geological work is an essential reason why underground coal gasification (UCG) has not been industrialized for a long time. Building a scientific index system and favorable area evaluation technology for the UCG site selection is ...
Huang WG +6 more
europepmc +2 more sources
Strata Movement Characteristics in Underground Coal Gasification (UCG) under Thermal Coupling and Surface Subsidence Prediction Methods [PDF]
Applied Sciences, 2023 As a green, safe, and efficient method of coal development, underground coal gasification (UCG) technology has gradually moved from the experimental stage to the industrial production stage.
Xiaopeng Liu, Liangji Xu, Kun Zhang
openalex +2 more sources
H<sub>2</sub> production in underground coal gasification with pretreatment by non-focusing microwave. [PDF]
Front ChemIntroduction Underground coal gasification (UCG) faces challenges in product quality control and combustion stability. While microwave heating enhances coal seam heat/mass transfer efficiency, existing studies prioritize focused microwaves, overlooking ...
Feng L, Dong J, Li H, Sun J.
europepmc +2 more sources
Monitoring the gasification area and its behavior in underground coal gasification by acoustic emission technique instead of temperature measurement. [PDF]
Sci Rep, 2023 Underground Coal Gasification (UCG) requires monitoring of the gasification area because the gasification process is invisible and the reaction temperature exceeds 1000 °C.
Hamanaka A +8 more
europepmc +2 more sources
Characteristic Analysis and Risk Control of Syngas Explosion during Underground Coal Gasification. [PDF]
ACS OmegaGas explosion is one of the main accident risks during underground coal gasification (UCG). There are significant differences in the gas composition and explosive environment between UCG syngas and other gases.
Huang WG, Duan TH, Wang ZT, Li HZ.
europepmc +2 more sources
Modeling Test of Combustion Cavity Growth during Underground Coal Gasification in the Early Stage of Ignition. [PDF]
ACS OmegaThe growth parameters of the underground coal gasification (UCG) combustion cavity are important for the regulation of its gasification process. The irregular cavities formed in the early stages of ignition can affect the stability of the gasification ...
Xin L +7 more
europepmc +2 more sources
Frontiers in Energy Research, 2023 Although coal mining has played a substantial role in world’s development as a critical fuel source for at least 25 years, its value is partly offset by the massive environmental issues it presents during combustion.
Shadrack Adjei Takyi +6 more
doaj +2 more sources