Work

Multifractal analysis and modification of coal pore structures with impact of clean compound biomass surfactants

Year: 2025

Type: article

Abstract: This study investigates the modification of coal pore structures using composite biomass surfactants and explores its implications for methane adsorption and desorption characteristics. Coal samples from the 13–1 coal seam in Liuzhuang Mine, Huainan, China, are analyzed using low-temperature nitrogen adsorption experiments. The box-counting-based multifractal theory is used to assess coal pore heterogeneity and connectivity before and after surfactant treatment. The results reveal significant improvements in pore structure uniformity and connectivity, providing insights into the relationship between pore characteristics and methane adsorption behavior. This research offers a foundational understanding for optimizing coalbed methane extraction and enhancing environmental sustainability in coal mining operations.

Source: Frontiers in Physics

DOI: 10.3389/fphy.2025.1572999

Authors: Lingling Yang, Yuan Yuan

Institutions: Hefei Technology College, University of Science and Technology of China, Huainan Normal University

Language: English

Topic: Coal Properties and Utilization

Subfield: Fuel Technology

Field: Energy

Domain: Physical Sciences

SDGs: Affordable and clean energy, Climate action

Open Access status: gold

Estimated APC paid: $3,077