%0 Journal Article %T 河南省中-高煤阶构造变形煤甲烷吸附/解吸特征研究 %A 潘结南 %A 徐海飞 %J 煤炭科学技术 %D 2015 %X Themethaneadsorption/desorptioncapacityandcharacteristicswererelatedtothedegreeofcoalmetamorphismanddeformationstructure.Theisothermaladsorption/desorptionexperimentoffivemediumandhighranktectonicdeformationcoalssamplesattypicalminingfieldsinHenanProvincewereconducted,theresultsshowedthatthemethaneadsorptioncapacityofweakbrittletectonicdeformationcoalsofmediumandhighrankincreasedwithincreasingalongwiththedegreeofcoalmetamorphism.Asthepressurerised,theincrementofmethaneabsorptionquantitydecreasedgraduallyandtendedtozero,whiletheincrementofmethaneabsorptionquantityincreasedwiththeincrementofthedegreeofcoalmetamorphism.Themethanedesorptionquantityduringunitpressurewithintheperiodincreasedwithpowerfunctionwiththepressuredecreasing.Withthedegreeofcoalmetamorphismincreased,themethanedesorptionquantityduringunitpressurewithintheperiodincreased.Themethanedesorptionquantitycurvewasmonotoneincreasinglogarithmicfunctionwithpressuredecreasedtodifferenttectonicdeformationcoals,themethanedesorptionquantitywasimprovedwiththeincreasingtectonicdeformationdegree. %K medium %K and %K high %K coal %K rank %K tectonic %K deformation %K coal %K methane %K adsorption/desorption %K characteristics %U http://www.mtkxjs.com.cn/CN/abstract/abstract10089.shtml