{"id":"https://openalex.org/W7127078487","doi":"https://doi.org/10.1021/acssusresmgt.5c00497","title":"Tailored Distinct Strategy for Selective Dual Metal Recovery from E-Waste: Gold Precipitation and Copper Leaching Using a CNC Pincer-Type Ionic Liquid 2,6-Bis(1-butylimidazolium) Pyridine Dibromide","display_name":"Tailored Distinct Strategy for Selective Dual Metal Recovery from E-Waste: Gold Precipitation and Copper Leaching Using a CNC Pincer-Type Ionic Liquid 2,6-Bis(1-butylimidazolium) Pyridine Dibromide","publication_year":2026,"publication_date":"2026-02-02","ids":{"openalex":"https://openalex.org/W7127078487","doi":"https://doi.org/10.1021/acssusresmgt.5c00497"},"language":"en","primary_location":{"id":"doi:10.1021/acssusresmgt.5c00497","doi":"https://doi.org/10.1021/acssusresmgt.5c00497","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acssusresmgt.5c00497","pdf_url":null,"source":{"id":"https://openalex.org/S4389158299","display_name":"ACS Sustainable Resource Management","issn_l":"2837-1445","issn":["2837-1445"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Sustainable Resource Management","raw_type":"journal-article"},"volume":null,"type":"article","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/A5093921392","display_name":"Madhumitha Manickasundaram","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145286018","display_name":"SRM Institute of Science and Technology","ror":"https://ror.org/050113w36","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Madhumitha Manickasundaram","raw_affiliation_strings":["SRM Institute of Science and Technology , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SRM Institute of Science and Technology , , ,","institution_ids":["https://openalex.org/I145286018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107557526","display_name":"Sajith Babu M K","orcid":"https://orcid.org/0009-0001-7879-2381","observed_orcids":["https://orcid.org/0009-0001-7879-2381"]},"institutions":[{"id":"https://openalex.org/I145286018","display_name":"SRM Institute of Science and Technology","ror":"https://ror.org/050113w36","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sajith Babu M. K.","raw_affiliation_strings":["SRM Institute of Science and Technology , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SRM Institute of Science and Technology , , ,","institution_ids":["https://openalex.org/I145286018"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044609470","display_name":"Srinivasarao Kancharla","orcid":"https://orcid.org/0000-0003-1711-1009","observed_orcids":["https://orcid.org/0000-0003-1711-1009"]},"institutions":[{"id":"https://openalex.org/I145286018","display_name":"SRM Institute of Science and Technology","ror":"https://ror.org/050113w36","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Srinivasarao Kancharla","raw_affiliation_strings":["SRM Institute of Science and Technology , , ,"],"raw_orcid":"https://orcid.org/0000-0003-1711-1009","affiliations":[{"raw_affiliation_string":"SRM Institute of Science and Technology , , ,","institution_ids":["https://openalex.org/I145286018"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5044609470"],"corresponding_institution_ids":["https://openalex.org/I145286018"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04376847,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":"2","first_page":"496","last_page":"507"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11091","display_name":"Extraction and Separation Processes","score":0.5375999808311462,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11091","display_name":"Extraction and Separation Processes","score":0.5375999808311462,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"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/T12017","display_name":"Recycling and Waste Management Techniques","score":0.4203999936580658,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10480","display_name":"Ionic liquids properties and applications","score":0.03889999911189079,"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/e-waste-recycling","display_name":"e-waste recycling","score":0.8330000042915344},{"id":"https://openalex.org/keywords/gold-recovery","display_name":"gold recovery","score":0.8519999980926514},{"id":"https://openalex.org/keywords/copper-recovery","display_name":"copper recovery","score":0.9909999966621399},{"id":"https://openalex.org/keywords/ionic-liquids","display_name":"ionic liquids","score":0.7519999742507935},{"id":"https://openalex.org/keywords/selective-metal-recovery","display_name":"selective metal recovery","score":0.722000002861023},{"id":"https://openalex.org/keywords/gold-chloride-complexes","display_name":"gold chloride complexes","score":0.39100000262260437},{"id":"https://openalex.org/keywords/anion-exchange","display_name":"anion exchange","score":0.8040000200271606}],"concepts":[{"id":"https://openalex.org/C154881586","wikidata":"https://www.wikidata.org/wiki/Q898579","display_name":"Ionic liquid","level":3,"score":0.7544999718666077},{"id":"https://openalex.org/C544778455","wikidata":"https://www.wikidata.org/wiki/Q753","display_name":"Copper","level":2,"score":0.646399974822998},{"id":"https://openalex.org/C90982505","wikidata":"https://www.wikidata.org/wiki/Q16938886","display_name":"Leaching (pedology)","level":3,"score":0.5996000170707703},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.5440000295639038},{"id":"https://openalex.org/C2779485729","wikidata":"https://www.wikidata.org/wiki/Q210385","display_name":"Pyridine","level":2,"score":0.5418000221252441},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4738999903202057},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.45010000467300415},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.41589999198913574},{"id":"https://openalex.org/C544153396","wikidata":"https://www.wikidata.org/wiki/Q11426","display_name":"Metal","level":2,"score":0.4099999964237213},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.38040000200271606},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.3400000035762787},{"id":"https://openalex.org/C2777541362","wikidata":"https://www.wikidata.org/wiki/Q11743787","display_name":"Selective leaching","level":3,"score":0.3165999948978424},{"id":"https://openalex.org/C2778492893","wikidata":"https://www.wikidata.org/wiki/Q6557453","display_name":"Liquid metal","level":2,"score":0.3061999976634979},{"id":"https://openalex.org/C28737856","wikidata":"https://www.wikidata.org/wiki/Q870531","display_name":"Coprecipitation","level":2,"score":0.28610000014305115},{"id":"https://openalex.org/C3020315061","wikidata":"https://www.wikidata.org/wiki/Q11435","display_name":"Liquid phase","level":2,"score":0.2786000072956085},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.2572000026702881}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1021/acssusresmgt.5c00497","doi":"https://doi.org/10.1021/acssusresmgt.5c00497","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acssusresmgt.5c00497","pdf_url":null,"source":{"id":"https://openalex.org/S4389158299","display_name":"ACS Sustainable Resource Management","issn_l":"2837-1445","issn":["2837-1445"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Sustainable Resource Management","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2390783863","display_name":null,"funder_award_id":"SRG/2021/001457","funder_id":"https://openalex.org/F4320334771","funder_display_name":"Science and Engineering Research Board"}],"funders":[{"id":"https://openalex.org/F4320317486","display_name":"SRM Institute of Science and Technology","ror":"https://ror.org/037skf023"},{"id":"https://openalex.org/F4320334771","display_name":"Science and Engineering Research Board","ror":"https://ror.org/03ffdsr55"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":68,"referenced_works":["https://openalex.org/W1965748938","https://openalex.org/W1990597086","https://openalex.org/W2001461847","https://openalex.org/W2005178440","https://openalex.org/W2022364397","https://openalex.org/W2042565658","https://openalex.org/W2062166625","https://openalex.org/W2070181794","https://openalex.org/W2085213796","https://openalex.org/W2102935824","https://openalex.org/W2124996116","https://openalex.org/W2139213360","https://openalex.org/W2184069068","https://openalex.org/W2186560758","https://openalex.org/W2338117293","https://openalex.org/W2344133607","https://openalex.org/W2512503423","https://openalex.org/W2547784285","https://openalex.org/W2568469236","https://openalex.org/W2625758385","https://openalex.org/W2788373212","https://openalex.org/W2794859047","https://openalex.org/W2804249566","https://openalex.org/W2974731763","https://openalex.org/W3002279247","https://openalex.org/W3040368801","https://openalex.org/W3042089112","https://openalex.org/W3046374306","https://openalex.org/W3105167480","https://openalex.org/W3110910049","https://openalex.org/W3112308753","https://openalex.org/W3125901937","https://openalex.org/W3127146210","https://openalex.org/W3129489333","https://openalex.org/W3159161187","https://openalex.org/W3165440443","https://openalex.org/W3192777760","https://openalex.org/W3193767240","https://openalex.org/W3211327251","https://openalex.org/W4210715408","https://openalex.org/W4293582941","https://openalex.org/W4309527212","https://openalex.org/W4309726434","https://openalex.org/W4311739266","https://openalex.org/W4313406160","https://openalex.org/W4313468979","https://openalex.org/W4321201446","https://openalex.org/W4321763661","https://openalex.org/W4322771312","https://openalex.org/W4323662985","https://openalex.org/W4362678459","https://openalex.org/W4366442377","https://openalex.org/W4379086688","https://openalex.org/W4381252037","https://openalex.org/W4385779582","https://openalex.org/W4385969523","https://openalex.org/W4386565904","https://openalex.org/W4390400960","https://openalex.org/W4391430232","https://openalex.org/W4391642414","https://openalex.org/W4391783188","https://openalex.org/W4392016042","https://openalex.org/W4394673800","https://openalex.org/W4396962867","https://openalex.org/W4402351795","https://openalex.org/W4402930272","https://openalex.org/W4408244829","https://openalex.org/W4411857266"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"The":[1,134],"recovery":[2,45,107,141,181],"of":[3,46,68,103,163,203],"valuable":[4],"metals":[5,146],"from":[6,52,63,83,142,194],"electronic":[7],"waste":[8],"(e-waste)":[9],"is":[10,36,57,81],"essential":[11],"for":[12,42,210,222],"sustainable":[13,218],"resource":[14],"management,":[15],"where":[16],"selective":[17,44,101,211],"separation":[18],"plays":[19],"a":[20,26,75,131,159,217],"crucial":[21],"role.":[22],"In":[23],"this":[24],"study,":[25],"CNC":[27,116],"pincer-type":[28],"ionic":[29],"liquid":[30],"(IL),":[31],"2,6-bis(1-butylimidazolium)":[32],"pyridine":[33],"dibromide":[34],"([CNC]Br2),":[35],"employed":[37],"in":[38,206],"two":[39,207],"separate":[40],"approaches":[41],"the":[43,64,94,100,115,174,200],"gold":[47],"(Au)":[48],"and":[49,114,122,149,213,219],"copper":[50,80],"(Cu)":[51],"discarded":[53],"CPU":[54,69,85],"pins.":[55],"Gold":[56,106],"recovered":[58,82],"by":[59,120,182],"selectively":[60],"precipitating":[61],"AuCl4\u2212":[62],"aqua":[65],"regia":[66],"leachate":[67],"pins":[70,86],"through":[71],"anion":[72],"exchange,":[73],"forming":[74],"stable":[76],"[CNC][(AuCl4)2]":[77],"complex.":[78],"Independently,":[79],"untreated":[84],"via":[87,109],"direct":[88,183],"leaching":[89,184],"under":[90,185],"neutral":[91,189],"conditions":[92],"using":[93],"same":[95],"[CNC]Br2.":[96],"ICP-OES":[97],"analysis":[98,126],"confirms":[99],"extraction":[102],"both":[104],"metals.":[105],"proceeds":[108],"electrostatic":[110],"interactions":[111],"between":[112],"AuCl4\u2212/AuCl2\u2212":[113],"cation,":[117],"as":[118,130],"evidenced":[119],"HR-MS":[121],"XPS,":[123],"while":[124],"single-crystal":[125],"highlights":[127],"noncovalent":[128],"binding":[129],"key":[132],"factor.":[133],"method":[135],"achieves":[136],"87.4":[137],"\u00b1":[138,165,178],"0.8%":[139],"Au":[140,212],"solutions":[143],"containing":[144],"competing":[145],"(Cu,":[147],"Fe,":[148],"Ni),":[150],"at":[151],"96.9":[152],"wt":[153],"%":[154],"(23.25":[155],"K)":[156],"purity,":[157],"with":[158,191],"maximum":[160],"uptake":[161],"capacity":[162],"736.6":[164],"17.2":[166],"mg":[167],"g\u22121,":[168],"surpassing":[169],"existing":[170],"IL-based":[171],"systems.":[172],"Separately,":[173],"[CNC]Br2":[175],"enables":[176],"81.5":[177],"2.1%":[179],"Cu":[180,214],"mild,":[186],"pH":[187],"7,":[188],"conditions,":[190],"minimal":[192],"interference":[193],"coexisting":[195],"ions.":[196],"This":[197],"study":[198],"demonstrates":[199],"dual":[201],"utility":[202],"CNC-based":[204],"ILs":[205],"independent":[208],"processes":[209],"recovery,":[215],"offering":[216],"scalable":[220],"solution":[221],"e-waste":[223],"recycling.":[224]},"counts_by_year":[],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2026-02-03T00:00:00"}