{"id":"https://openalex.org/W7010318307","doi":null,"title":"Hydrogenolysis of Polyethylene over Earth-Abundant Cobalt Catalysts","display_name":"Hydrogenolysis of Polyethylene over Earth-Abundant Cobalt Catalysts","publication_year":2023,"publication_date":"2023-05-01","ids":{"openalex":"https://openalex.org/W7010318307"},"language":"en","primary_location":{"id":"pmh:oai:oaktrust.library.tamu.edu:1969.1/199069","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/1969.1/199069","pdf_url":"https://oaktrust.library.tamu.edu/bitstreams/4b2214a4-de77-4b9d-8ab6-fbaf45da89d1/download","source":{"id":"https://openalex.org/S4306400291","display_name":"OakTrust (Texas A&M University Libraries)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I91045830","host_organization_name":"Texas A&M University","host_organization_lineage":["https://openalex.org/I91045830"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://oaktrust.library.tamu.edu/bitstreams/4b2214a4-de77-4b9d-8ab6-fbaf45da89d1/download","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5049529894","display_name":"Siddhesh S. Borkar","orcid":"https://orcid.org/0000-0001-8068-2870","observed_orcids":["https://orcid.org/0000-0001-8068-2870"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Borkar, Siddhesh Shirish","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5049529894"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T12240","display_name":"Nanomaterials for catalytic reactions","score":0.241799995303154,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12240","display_name":"Nanomaterials for catalytic reactions","score":0.241799995303154,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10092","display_name":"Organometallic Complex Synthesis and Catalysis","score":0.1931000053882599,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10495","display_name":"Catalysts for Methane Reforming","score":0.15770000219345093,"subfield":{"id":"https://openalex.org/subfields/1503","display_name":"Catalysis"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/cobalt-catalysts","display_name":"cobalt catalysts","score":0.9259999990463257},{"id":"https://openalex.org/keywords/co-sio2","display_name":"Co/SiO2","score":0.953000009059906},{"id":"https://openalex.org/keywords/plastic-upcycling","display_name":"plastic waste upcycling","score":0.6769999861717224},{"id":"https://openalex.org/keywords/liquid-hydrocarbons","display_name":"liquid hydrocarbons","score":0.6140000224113464},{"id":"https://openalex.org/keywords/catalyst-regeneration","display_name":"catalyst regeneration","score":0.5609999895095825},{"id":"https://openalex.org/keywords/c-c-bond-cleavage","display_name":"C\u2013C bond cleavage","score":0.6919999718666077},{"id":"https://openalex.org/keywords/plastic-pollution","display_name":"plastic pollution","score":0.4429999887943268},{"id":"https://openalex.org/keywords/circular-economy","display_name":"circular economy","score":0.671999990940094}],"concepts":[{"id":"https://openalex.org/C181886296","wikidata":"https://www.wikidata.org/wiki/Q903188","display_name":"Hydrogenolysis","level":3,"score":0.9258999824523926},{"id":"https://openalex.org/C2779751980","wikidata":"https://www.wikidata.org/wiki/Q143429","display_name":"Polyethylene","level":2,"score":0.7458999752998352},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.7379000186920166},{"id":"https://openalex.org/C49852136","wikidata":"https://www.wikidata.org/wiki/Q906487","display_name":"Depolymerization","level":2,"score":0.6507999897003174},{"id":"https://openalex.org/C154256306","wikidata":"https://www.wikidata.org/wiki/Q41795528","display_name":"Inert","level":2,"score":0.5695000290870667},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.5202999711036682},{"id":"https://openalex.org/C515602321","wikidata":"https://www.wikidata.org/wiki/Q740","display_name":"Cobalt","level":2,"score":0.5151000022888184},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4767000079154968},{"id":"https://openalex.org/C512968161","wikidata":"https://www.wikidata.org/wiki/Q556","display_name":"Hydrogen","level":2,"score":0.45320001244544983},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4399999976158142},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.43230000138282776},{"id":"https://openalex.org/C2780017307","wikidata":"https://www.wikidata.org/wiki/Q145863","display_name":"Polyethylene terephthalate","level":2,"score":0.4002000093460083},{"id":"https://openalex.org/C206139338","wikidata":"https://www.wikidata.org/wiki/Q192355","display_name":"Raw material","level":2,"score":0.384799987077713},{"id":"https://openalex.org/C140205800","wikidata":"https://www.wikidata.org/wiki/Q5860","display_name":"Carbon fibers","level":3,"score":0.37540000677108765},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.3598000109195709},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.3357999920845032},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.3240000009536743},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.32339999079704285},{"id":"https://openalex.org/C15920480","wikidata":"https://www.wikidata.org/wiki/Q421281","display_name":"Copolymer","level":3,"score":0.2809999883174896},{"id":"https://openalex.org/C2779607525","wikidata":"https://www.wikidata.org/wiki/Q14982","display_name":"Methanol","level":2,"score":0.27300000190734863},{"id":"https://openalex.org/C51886252","wikidata":"https://www.wikidata.org/wiki/Q4118667","display_name":"Olefin fiber","level":3,"score":0.2685999870300293}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:oaktrust.library.tamu.edu:1969.1/199069","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/1969.1/199069","pdf_url":"https://oaktrust.library.tamu.edu/bitstreams/4b2214a4-de77-4b9d-8ab6-fbaf45da89d1/download","source":{"id":"https://openalex.org/S4306400291","display_name":"OakTrust (Texas A&M University Libraries)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I91045830","host_organization_name":"Texas A&M University","host_organization_lineage":["https://openalex.org/I91045830"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"}],"best_oa_location":{"id":"pmh:oai:oaktrust.library.tamu.edu:1969.1/199069","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/1969.1/199069","pdf_url":"https://oaktrust.library.tamu.edu/bitstreams/4b2214a4-de77-4b9d-8ab6-fbaf45da89d1/download","source":{"id":"https://openalex.org/S4306400291","display_name":"OakTrust (Texas A&M University Libraries)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I91045830","host_organization_name":"Texas A&M University","host_organization_lineage":["https://openalex.org/I91045830"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Thesis"},"sustainable_development_goals":[{"score":1.0,"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7010318307.pdf","grobid_xml":"https://content.openalex.org/works/W7010318307.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W2112679746","https://openalex.org/W3147065184"],"related_works":["https://openalex.org/W4382240456","https://openalex.org/W7164826870","https://openalex.org/W3116533171","https://openalex.org/W7167580211","https://openalex.org/W7167021039","https://openalex.org/W4309883025","https://openalex.org/W4295066408","https://openalex.org/W4413395247","https://openalex.org/W4409996404","https://openalex.org/W4411145241"],"abstract_inverted_index":{"In":[0],"recent":[1],"times,":[2],"plastics":[3,22,38],"have":[4,20],"become":[5,32],"indispensable":[6],"to":[7,148,152],"human":[8],"life.":[9],"The":[10,24,221,232],"availability":[11],"of":[12,16,54,105,122,144,216],"raw":[13],"materials,":[14],"ease":[15],"production,":[17],"and":[18,43,48,64,74,156,160,190,205,230,238,282],"versatility":[19],"made":[21],"ubiquitous.":[23],"pollution,":[25],"however,":[26],"caused":[27],"by":[28],"improper":[29],"disposal":[30],"has":[31,78],"a":[33,68,93,129],"major":[34],"global":[35],"concern.":[36],"Most":[37],"used":[39],"today":[40],"are":[41,56],"single-use":[42],"end":[44],"up":[45],"in":[46,280],"landfills":[47],"water":[49],"bodies.":[50],"Only":[51],"about":[52],"9%":[53],"them":[55],"recycled.":[57],"To":[58],"remedy":[59],"plastic":[60,70,76],"pollution's":[61],"environmental":[62],"consequences":[63],"move":[65],"toward":[66,84],"creating":[67],"circular":[69],"economy,":[71],"effectively":[72],"upcycling":[73],"recycling":[75],"waste":[77],"gathered":[79],"significant":[80],"attention.":[81],"One":[82],"avenue":[83],"chemically":[85],"repurposing":[86],"polyolefins":[87],"is":[88,92,109,169],"via":[89],"hydrogenolysis.":[90],"\\nHydrogenolysis":[91],"depolymerization":[94],"reaction":[95],"wherein":[96],"hydrogen":[97],"molecules":[98],"break":[99],"the":[100,106,112,120,141,257],"relatively":[101],"inert":[102],"C-C":[103,259],"backbone":[104],"polyolefin.":[107],"Ru":[108,149],"regarded":[110],"as":[111],"most":[113],"active":[114,234],"hydrogenolysis":[115,121],"catalyst.":[116],"This":[117],"work":[118],"studied":[119],"polyethylene":[123,176],"using":[124],"earth-abundant":[125],"cobalt":[126],"immobilized":[127],"on":[128],"neutral":[130],"support,":[131],"silica":[132],"(Co/SiO2).":[133],"Co":[134,255],"showed":[135,240],"~30%":[136],"n-octadecane":[137],"(n-C18)":[138],"conversion":[139,151],"into":[140,177,274],"full":[142],"range":[143,179],"C1-C17":[145],"alkanes,":[146],"compared":[147],"(100%":[150],"methane),":[153],"Pt,":[154],"Pd,":[155],"Fe":[157],"(~3%,":[158],"0%,":[159],"0%":[161],"conversion,":[162],"respectively).":[163],"It":[164],"was":[165,236,252],"shown":[166],"that":[167,173,254],"Co/SiO2":[168],"an":[170,212],"excellent":[171],"catalyst":[172,222],"selectively":[174],"converts":[175],"liquid":[178,207,214],"hydrocarbons":[180],"(C5-C30)":[181],"at":[182,268],"mild":[183],"conditions":[184,195],"(250-275":[185],"\u00b0C,":[186,197],"20-30":[187],"bar":[188,199],"H2,":[189,200],"4-8":[191],"h).":[192],"At":[193],"optimized":[194],"(275":[196],"30":[198],"8":[201],"h),":[202],"~19.5%":[203],"gaseous":[204],"~58.2%":[206],"products":[208],"were":[209],"yielded":[210],"with":[211],"average":[213],"carbon":[215],"22":[217],"(diesel-motor":[218],"oil":[219],"range).":[220],"further":[223],"successfully":[224],"converted":[225],"end-of-use":[226],"polyethylenes":[227],"despite":[228],"additives":[229],"impurities.":[231],"catalyst's":[233],"phase":[235],"CoO,":[237],"it":[239,251],"exceptional":[241],"regeneration":[242],"between":[243],"runs,":[244],"giving":[245],"nearly":[246],"identical":[247],"product":[248],"distributions.":[249],"Mechanistically,":[250],"identified":[253],"favors":[256],"non-terminal":[258],"bond":[260],"cleavage":[261],"route,":[262],"selectivity":[263],"producing":[264],"oligomers":[265],"over":[266],"gases":[267],"low":[269],"conversions,":[270],"which":[271],"subsequently":[272],"hydrogenolyze":[273],"lower":[275],"hydrocarbons,":[276],"eventually":[277],"forming":[278],"methane":[279],"secondary":[281],"tertiary":[283],"events.":[284]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2025-10-10T00:00:00"}