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Article
Green & Sustainable Science & Technology
Shiqi Liu et al.
Summary: Coal bases in China are important areas for coal exploitation and use, but reducing carbon emissions is challenging. However, these coal bases also have excellent potential for CO2 geological sequestration, providing favorable conditions for carbon capture, utilization, and storage (CCUS).
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2023)
Article
Environmental Sciences
Shumin Liu et al.
Summary: In this paper, the chemical microstructure of coal samples before and after liquid nitrogen cold soaking was quantitatively analyzed using various experimental techniques. The results show that as the coal metamorphism increases, the carbon, nitrogen, and sulfur elements content increase, while hydrogen and oxygen elements content decrease. Furthermore, the structure of coal crystal nucleus becomes loose and its volume decreases, while the aromatic rings interlayer spacing increases. The FTIR spectra reveal changes in various absorption bands, indicating a decrease in aromatic and aliphatic structures and an increase in oxygenated functional groups and hydroxyl groups after cold soaking of liquid nitrogen.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Thermodynamics
Shumin Liu et al.
Summary: This study investigated the pore structure and fractal characteristics of different coal qualities (anthracite, bituminous coal, and lignite) under liquid nitrogen cold soaking. The study examined the variations in BET specific surface area, BJH total hole, and adsorption pore specific surface area with liquid nitrogen cold soaking times. The results showed that bituminous coal had the highest internal micropore content and the largest adsorption space for gas, followed by anthracite and lignite. The findings provide theoretical and experimental support for the application of liquid nitrogen to increase the permeability of coal seams.
Article
Environmental Sciences
Mehmet Ozcelik
Summary: Spontaneous coal seam combustion is a major issue in coal mining, which poses a serious threat to mine safety and the environment. The Bengiler coal mine is prone to fires due to the presence of secondary faults and high-calorific coal. This study emphasizes the importance of controlling and preventing coal seam fires and discusses the case of a surface coal mine in Bengiler.
EURO-MEDITERRANEAN JOURNAL FOR ENVIRONMENTAL INTEGRATION
(2023)
Article
Engineering, Chemical
Feiran Wang et al.
Summary: This paper reviews the early warning of coal spontaneous combustion based on a search of 583 papers related to coal spontaneous combustion early warning collected from 2002 to 2021 using the Web of Science database and VOSviewer visualization software. The results show that scholars with a high publication volume have significant influence in the field and a more mature research group has been formed. A stable core group of institutions has also been established. The key contents of this field are sign gas early warning and early warning models and technologies.
Article
Environmental Sciences
Uma Shankar Shukla et al.
Summary: Spontaneous combustion of coal is a major problem worldwide, causing significant economic loss to India. Predicting the susceptibility to spontaneous combustion is crucial for preventing fire risks in coal mines and utility sectors. This study utilized multiple linear regression and five different machine learning techniques to predict the spontaneous combustion susceptibility of coal based on its intrinsic properties.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Energy & Fuels
Fei Gao et al.
Summary: Injecting power plant flue gas into goaf for sequestration can effectively reduce CO2 emissions and inhibit coal spontaneous combustion. The study on the chemical environment's effect on CO2 sequestration revealed that inhibitors can significantly increase coal's CO2 adsorption capacity, enhancing the sequestration capacity of flue gas in goaf. Additionally, the pore volume and specific surface area of coal increased significantly after inhibition, contributing to the increase in CO2 adsorption capacity.
Review
Chemistry, Multidisciplinary
Hongxue Zeng et al.
Summary: This article summarizes the application of pressure swing adsorption technology in CO2 enrichment and separation, discusses the optimization methods and internal laws of porous adsorbent materials, and prospects the development needs and research focuses of CO2 adsorbent materials in industrial waste gas treatment.
FRONTIERS IN CHEMISTRY
(2022)
Article
Multidisciplinary Sciences
Jian-Bin Lin et al.
Summary: Zinc-based CALF-20 demonstrates high efficiency and cost-effectiveness in CO2 capture, with the ability to resist water interference, low regeneration cost, and strong durability.
Review
Engineering, Chemical
Ibeh S. Omodolor et al.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2020)
Article
Chemistry, Multidisciplinary
Karson T. Leperi et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Review
Nanoscience & Nanotechnology
Maryam Pardakhti et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Energy & Fuels
Siyuan Wu et al.
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
(2019)
Article
Computer Science, Interdisciplinary Applications
Chun Liu et al.
COMPUTERS & GEOSCIENCES
(2013)
Article
Chemistry, Physical
Chun Liu et al.
APPLIED CLAY SCIENCE
(2011)
Article
Green & Sustainable Science & Technology
Andreas Busch et al.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2008)
Article
Energy & Fuels
M Mastalerz et al.
INTERNATIONAL JOURNAL OF COAL GEOLOGY
(2004)
Article
Energy & Fuels
K Miura et al.
