{"id":"https://openalex.org/W7225640230","doi":"https://doi.org/10.1061/jleed9.eyeng-7069","title":"Study on Pore Structure Evolution and Mechanical Properties Response of Anthracite under Acidification","display_name":"Study on Pore Structure Evolution and Mechanical Properties Response of Anthracite under Acidification","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225640230","doi":"https://doi.org/10.1061/jleed9.eyeng-7069"},"language":"en","primary_location":{"id":"doi:10.1061/jleed9.eyeng-7069","doi":"https://doi.org/10.1061/jleed9.eyeng-7069","is_oa":false,"landing_page_url":"https://doi.org/10.1061/jleed9.eyeng-7069","pdf_url":null,"source":{"id":"https://openalex.org/S23575585","display_name":"Journal of Energy Engineering","issn_l":"0733-9402","issn":["0733-9402","1943-7897"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310315747","host_organization_name":"American Society of Civil Engineers","host_organization_lineage":["https://openalex.org/P4310315747"],"host_organization_lineage_names":["American Society of Civil Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Energy Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5161343697","display_name":"Jiaqi Tu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaqi Tu","raw_affiliation_strings":["Guizhou Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guizhou Univ","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083081879","display_name":"Yuan Mei","orcid":"https://orcid.org/0000-0003-1143-3859","observed_orcids":["https://orcid.org/0000-0003-1143-3859"]},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mei Yuan","raw_affiliation_strings":["Guizhou Univ"],"raw_orcid":"https://orcid.org/0000-0003-1143-3859","affiliations":[{"raw_affiliation_string":"Guizhou Univ","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161348207","display_name":"Jimin He","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jimin He","raw_affiliation_strings":["Guizhou Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guizhou Univ","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161316009","display_name":"Dong Yao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I178232147","display_name":"Guizhou University","ror":"https://ror.org/02wmsc916","country_code":"CN","type":"education","lineage":["https://openalex.org/I178232147"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Yao","raw_affiliation_strings":["Guizhou Univ"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guizhou Univ","institution_ids":["https://openalex.org/I178232147"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161355063","display_name":"Yin Chen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yin Chen","raw_affiliation_strings":["Senior Engineer, Guizhou Jinyi Coal Development Company Limited, Xishui, Zunyi, Guizhou 564600, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Senior Engineer, Guizhou Jinyi Coal Development Company Limited, Xishui, Zunyi, Guizhou 564600, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5161310025","display_name":"Hong Dong","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hong Dong","raw_affiliation_strings":["Linhua Mining Company Limited"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Linhua Mining Company Limited","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"153","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11284","display_name":"Coal Properties and Utilization","score":0.9740999937057495,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11284","display_name":"Coal Properties and Utilization","score":0.9740999937057495,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10161","display_name":"Rock Mechanics and Modeling","score":0.017000000923871994,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10635","display_name":"Hydraulic Fracturing and Reservoir Analysis","score":0.0017999999690800905,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/anthracite","display_name":"anthracite","score":0.9819999933242798},{"id":"https://openalex.org/keywords/acidification","display_name":"acidification","score":0.7760000228881836},{"id":"https://openalex.org/keywords/hydrofluoric-acid","display_name":"hydrofluoric acid","score":0.8379999995231628},{"id":"https://openalex.org/keywords/pore-structure-evolution","display_name":"pore structure evolution","score":0.906000018119812},{"id":"https://openalex.org/keywords/coal-mechanical-properties","display_name":"coal mechanical properties","score":0.6489999890327454},{"id":"https://openalex.org/keywords/microporosity","display_name":"microporosity","score":0.7250000238418579},{"id":"https://openalex.org/keywords/mesoporosity","display_name":"mesoporosity","score":0.8050000071525574},{"id":"https://openalex.org/keywords/macroporosity","display_name":"macroporosity","score":0.984000027179718},{"id":"https://openalex.org/keywords/pore-connectivity","display_name":"pore connectivity","score":0.9229999780654907},{"id":"https://openalex.org/keywords/brittleness","display_name":"brittleness","score":0.7590000033378601},{"id":"https://openalex.org/keywords/ductility","display_name":"ductility","score":0.9710000157356262},{"id":"https://openalex.org/keywords/fracture-networks","display_name":"fracture networks","score":0.3889999985694885},{"id":"https://openalex.org/keywords/acid-fracturing","display_name":"acid fracturing","score":0.8970000147819519},{"id":"https://openalex.org/keywords/coal-permeability-enhancement","display_name":"coal seam permeability enhancement","score":0.7789999842643738},{"id":"https://openalex.org/keywords/silicate-minerals","display_name":"silicate minerals","score":0.4560000002384186}],"concepts":[{"id":"https://openalex.org/C47143284","wikidata":"https://www.wikidata.org/wiki/Q182458","display_name":"Anthracite","level":3,"score":0.9151999950408936},{"id":"https://openalex.org/C518851703","wikidata":"https://www.wikidata.org/wiki/Q24489","display_name":"Coal","level":2,"score":0.8014000058174133},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6258000135421753},{"id":"https://openalex.org/C108615695","wikidata":"https://www.wikidata.org/wiki/Q12880211","display_name":"Coal mining","level":3,"score":0.5120999813079834},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.46860000491142273},{"id":"https://openalex.org/C43486711","wikidata":"https://www.wikidata.org/wiki/Q192005","display_name":"Elastic modulus","level":2,"score":0.45829999446868896},{"id":"https://openalex.org/C136478896","wikidata":"https://www.wikidata.org/wiki/Q898288","display_name":"Brittleness","level":2,"score":0.43869999051094055},{"id":"https://openalex.org/C43369102","wikidata":"https://www.wikidata.org/wiki/Q2307625","display_name":"Fracture (geology)","level":2,"score":0.4348999857902527},{"id":"https://openalex.org/C6648577","wikidata":"https://www.wikidata.org/wiki/Q622669","display_name":"Porosity","level":2,"score":0.4235000014305115},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.387800008058548},{"id":"https://openalex.org/C193867417","wikidata":"https://www.wikidata.org/wiki/Q6889814","display_name":"Modulus","level":2,"score":0.37279999256134033},{"id":"https://openalex.org/C88380143","wikidata":"https://www.wikidata.org/wiki/Q416674","display_name":"Dissolution","level":2,"score":0.37119999527931213},{"id":"https://openalex.org/C2776967294","wikidata":"https://www.wikidata.org/wiki/Q209569","display_name":"Hydrofluoric acid","level":2,"score":0.35429999232292175},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.35339999198913574},{"id":"https://openalex.org/C2777335606","wikidata":"https://www.wikidata.org/wiki/Q7130787","display_name":"Silicate","level":2,"score":0.3490999937057495},{"id":"https://openalex.org/C2776277684","wikidata":"https://www.wikidata.org/wiki/Q178977","display_name":"Silicate minerals","level":3,"score":0.3271999955177307},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.32589998841285706},{"id":"https://openalex.org/C206139338","wikidata":"https://www.wikidata.org/wiki/Q192355","display_name":"Raw material","level":2,"score":0.31380000710487366},{"id":"https://openalex.org/C2776432453","wikidata":"https://www.wikidata.org/wiki/Q7946","display_name":"Mineral","level":2,"score":0.28949999809265137},{"id":"https://openalex.org/C57924286","wikidata":"https://www.wikidata.org/wiki/Q2753078","display_name":"Macropore","level":4,"score":0.28060001134872437},{"id":"https://openalex.org/C2780816545","wikidata":"https://www.wikidata.org/wiki/Q3992095","display_name":"Tobermorite","level":3,"score":0.27480000257492065},{"id":"https://openalex.org/C140205800","wikidata":"https://www.wikidata.org/wiki/Q5860","display_name":"Carbon fibers","level":3,"score":0.27129998803138733},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.26840001344680786},{"id":"https://openalex.org/C94406020","wikidata":"https://www.wikidata.org/wiki/Q900371","display_name":"Bulk modulus","level":2,"score":0.26600000262260437},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.2526000142097473}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1061/jleed9.eyeng-7069","doi":"https://doi.org/10.1061/jleed9.eyeng-7069","is_oa":false,"landing_page_url":"https://doi.org/10.1061/jleed9.eyeng-7069","pdf_url":null,"source":{"id":"https://openalex.org/S23575585","display_name":"Journal of Energy Engineering","issn_l":"0733-9402","issn":["0733-9402","1943-7897"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310315747","host_organization_name":"American Society of Civil Engineers","host_organization_lineage":["https://openalex.org/P4310315747"],"host_organization_lineage_names":["American Society of Civil Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Energy Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1489079401","https://openalex.org/W1978994340","https://openalex.org/W1990139064","https://openalex.org/W2010414187","https://openalex.org/W2039810012","https://openalex.org/W2104447116","https://openalex.org/W2169996492","https://openalex.org/W2176328545","https://openalex.org/W2334285534","https://openalex.org/W2335044830","https://openalex.org/W2749694026","https://openalex.org/W2800129449","https://openalex.org/W2800670400","https://openalex.org/W2807867037","https://openalex.org/W2902181715","https://openalex.org/W3008201770","https://openalex.org/W3109491288","https://openalex.org/W3210913916","https://openalex.org/W4293724704","https://openalex.org/W4313463707","https://openalex.org/W4322490872","https://openalex.org/W4361279112","https://openalex.org/W4384821951","https://openalex.org/W4384945266","https://openalex.org/W4386495793","https://openalex.org/W4389163820","https://openalex.org/W4390342266","https://openalex.org/W4391785518","https://openalex.org/W4391914806","https://openalex.org/W4392337470","https://openalex.org/W4392348393","https://openalex.org/W4393038651","https://openalex.org/W4394596248","https://openalex.org/W4395699730","https://openalex.org/W4396954859","https://openalex.org/W4400335243","https://openalex.org/W4400380245","https://openalex.org/W4414056349","https://openalex.org/W7147679637"],"related_works":["https://openalex.org/W4391785518","https://openalex.org/W3008201770","https://openalex.org/W7167482224","https://openalex.org/W4412422475","https://openalex.org/W7162550573","https://openalex.org/W4384945266","https://openalex.org/W4406697002","https://openalex.org/W3095528601","https://openalex.org/W7164835106","https://openalex.org/W4408965508"],"abstract_inverted_index":{"Abstract":[0],"This":[1],"study":[2],"focuses":[3],"on":[4],"low-permeability":[5],"anthracite":[6,57],"rich":[7],"in":[8,15,222,239,253],"silicate":[9],"minerals":[10],"from":[11,70],"a":[12,211,247],"mining":[13],"area":[14],"Guizhou.":[16],"Acidification":[17],"conditions":[18],"were":[19,39],"optimized":[20],"via":[21],"X-ray":[22],"diffraction":[23],"and":[24,35,49,60,110,115,128,140,171,177,185,207,256],"static":[25],"dissolution":[26],"experiments.":[27],"Meanwhile,":[28],"nuclear":[29],"magnetic":[30],"resonance,":[31],"atomic":[32],"force":[33],"microscopy,":[34],"uniaxial":[36],"compression":[37],"tests":[38],"employed":[40],"to":[41,61,162,209,236],"systematically":[42],"investigate":[43],"the":[44,50,63,78,83,99,102,132,151,158,167,172,191,202,223,229,237],"evolution":[45],"of":[46,53,56,66,101,131,146,157,164,166,182,194,204,232,259],"pore":[47,120],"structure":[48,214],"response":[51],"mechanism":[52],"mechanical":[54,68,147,195,241],"properties":[55,69],"under":[58],"acidification":[59,80,198],"reveal":[62],"variation":[64],"law":[65],"its":[67,240],"an":[71],"energy":[72,153],"perspective.":[73],"The":[74,122,180,243],"results":[75,245],"show":[76],"that":[77,165],"optimal":[79],"condition":[81],"for":[82,94,250],"experimental":[84],"coal":[85,103,134,160,169,173,183,205,224,260],"samples":[86,104,135],"is":[87,190],"treatment":[88],"with":[89],"6%":[90],"hydrofluoric":[91],"acid":[92,188,263],"solution":[93,189],"24":[95],"h.":[96],"After":[97],"acidification,":[98],"microporosity":[100],"decreases":[105],"by":[106,113,137,187,262],"5.71%,":[107],"while":[108],"mesoporosity":[109],"macroporosity":[111],"increase":[112],"692%":[114],"64.71%,":[116],"respectively,":[117,142],"thereby":[118],"improving":[119],"connectivity.":[121],"average":[123],"peak":[124,126],"stress,":[125],"strain,":[127],"elastic":[129],"modulus":[130],"acidified":[133,159],"decrease":[136],"26.85%,":[138],"23.38%,":[139],"3.56%,":[141],"indicating":[143],"significant":[144],"deterioration":[145],"properties.":[148],"In":[149],"addition,":[150],"total":[152],"at":[154],"complete":[155],"failure":[156],"drops":[161],"52.27%":[163],"original":[168],"samples,":[170],"exhibits":[174],"reduced":[175],"brittleness":[176],"enhanced":[178],"ductility.":[179],"modification":[181],"pores":[184,206],"fractures":[186,208],"main":[192],"cause":[193],"property":[196],"degradation:":[197],"not":[199],"only":[200],"promotes":[201],"development":[203],"form":[210],"complex":[212],"network":[213],"but":[215],"also":[216],"generates":[217],"numerous":[218],"structural":[219,230],"weak":[220],"planes":[221],"matrix.":[225],"These":[226],"defects":[227],"damage":[228],"integrity":[231],"coal,":[233],"ultimately":[234],"leading":[235],"decline":[238],"performance.":[242],"research":[244],"provide":[246],"theoretical":[248],"basis":[249],"parameter":[251],"optimization":[252],"fracture":[254],"creation":[255],"permeability":[257],"enhancement":[258],"seams":[261],"fracturing.":[264]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-10T00:00:00"}
