College of Geoscience and Surveying Engineering China University of Mining and Technology Beijing 100083 China;
College of Geoscience and Surveying Engineering China University of Mining and Technology Beijing 100083 China;
China Coalbed Methane Co.Ltd Beijing 100011 China;
College of Geoscience and Surveying Engineering China University of Mining and Technology Beijing 100083 China;
College of Geoscience and Surveying Engineering China University of Mining and Technology Beijing 100083 China;
desorption hysteresis; diffusion process; kinetics; multiphase coupling; coalbed methane production;