{"id":"https://openalex.org/W7166809497","doi":"https://doi.org/10.12911/22998993/220121","title":"Sequential electrocoagulation\u2013ozonation treatment: Effect of suspended solids removal on sulfide elimination in tannery wastewater","display_name":"Sequential electrocoagulation\u2013ozonation treatment: Effect of suspended solids removal on sulfide elimination in tannery wastewater","publication_year":2026,"publication_date":"2026-07-01","ids":{"openalex":"https://openalex.org/W7166809497","doi":"https://doi.org/10.12911/22998993/220121"},"language":"en","primary_location":{"id":"doi:10.12911/22998993/220121","doi":"https://doi.org/10.12911/22998993/220121","is_oa":true,"landing_page_url":"https://doi.org/10.12911/22998993/220121","pdf_url":"https://www.jeeng.net/pdf-220121-141891?filename=Sequential-electrocoagula.pdf","source":{"id":"https://openalex.org/S2764543046","display_name":"Journal of Ecological Engineering","issn_l":"2081-139X","issn":["2081-139X","2299-8993","2392-0629"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","poland-20","poland-70"],"host_organization":"https://openalex.org/P4310317489","host_organization_name":"Polish Society of Ecological Engineering","host_organization_lineage":["https://openalex.org/P4310317489"],"host_organization_lineage_names":["Polish Society of Ecological Engineering"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Ecological Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.jeeng.net/pdf-220121-141891?filename=Sequential-electrocoagula.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030689474","display_name":"Edwar Aguilar-Asc\u00f3n","orcid":"https://orcid.org/0000-0002-9777-0575","observed_orcids":["https://orcid.org/0000-0002-9777-0575"]},"institutions":[{"id":"https://openalex.org/I192703252","display_name":"Universidad de Lima","ror":"https://ror.org/01751w114","country_code":"PE","type":"education","lineage":["https://openalex.org/I192703252"]}],"countries":["PE"],"is_corresponding":true,"raw_author_name":"Edwar Aguilar-Ascon","raw_affiliation_strings":["Estudios Generales , Universidad de Lima , Avenida Javier Prado 4600 , Surco , Lima , Per\u00fa"],"raw_orcid":"https://orcid.org/0000-0002-9777-0575","affiliations":[{"raw_affiliation_string":"Estudios Generales , Universidad de Lima , Avenida Javier Prado 4600 , Surco , Lima , Per\u00fa","institution_ids":["https://openalex.org/I192703252"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049343663","display_name":"Liliana Marrufo-Salda\u00f1a","orcid":"https://orcid.org/0000-0002-5908-7847","observed_orcids":["https://orcid.org/0000-0002-5908-7847"]},"institutions":[{"id":"https://openalex.org/I4387154890","display_name":"Instituto Tecnol\u00f3gico de la Producci\u00f3n","ror":"https://ror.org/003z0hw02","country_code":"PE","type":"government","lineage":["https://openalex.org/I4387154890"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Liliana Marrufo-Salda\u00f1a","raw_affiliation_strings":["Centro de Innovaci\u00f3n Productiva y Transferencia Tecnol\u00f3gica del Cuero , Calzado e Industrias Conexas (CITEccal Lima) , Instituto Tecnol\u00f3gico de la Producci\u00f3n (ITP) , Avenida Caquet\u00e1 1300 , R\u00edmac , Lima , Per\u00fa"],"raw_orcid":"https://orcid.org/0000-0002-5908-7847","affiliations":[{"raw_affiliation_string":"Centro de Innovaci\u00f3n Productiva y Transferencia Tecnol\u00f3gica del Cuero , Calzado e Industrias Conexas (CITEccal Lima) , Instituto Tecnol\u00f3gico de la Producci\u00f3n (ITP) , Avenida Caquet\u00e1 1300 , R\u00edmac , Lima , Per\u00fa","institution_ids":["https://openalex.org/I4387154890"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022961113","display_name":"Julio Alexis Barra-Hinojosa","orcid":"https://orcid.org/0000-0002-5421-7753","observed_orcids":["https://orcid.org/0000-0002-5421-7753"]},"institutions":[{"id":"https://openalex.org/I4387154890","display_name":"Instituto Tecnol\u00f3gico de la Producci\u00f3n","ror":"https://ror.org/003z0hw02","country_code":"PE","type":"government","lineage":["https://openalex.org/I4387154890"]}],"countries":["PE"],"is_corresponding":false,"raw_author_name":"Julio Barra-Hinojosa","raw_affiliation_strings":["Centro de Innovaci\u00f3n Productiva y Transferencia Tecnol\u00f3gica del Cuero , Calzado e Industrias Conexas (CITEccal Lima) , Instituto Tecnol\u00f3gico de la Producci\u00f3n (ITP) , Avenida Caquet\u00e1 1300 , R\u00edmac , Lima , Per\u00fa"],"raw_orcid":"https://orcid.org/0000-0002-5421-7753","affiliations":[{"raw_affiliation_string":"Centro de Innovaci\u00f3n Productiva y Transferencia Tecnol\u00f3gica del Cuero , Calzado e Industrias Conexas (CITEccal Lima) , Instituto Tecnol\u00f3gico de la Producci\u00f3n (ITP) , Avenida Caquet\u00e1 1300 , R\u00edmac , Lima , Per\u00fa","institution_ids":["https://openalex.org/I4387154890"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5030689474"],"corresponding_institution_ids":["https://openalex.org/I192703252"],"apc_list":{"value":1400,"currency":"PLN","value_usd":330},"apc_paid":{"value":1400,"currency":"PLN","value_usd":330},"fwci":0.0,"has_fulltext":true,"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":"27","issue":"8","first_page":"247","last_page":"260"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11188","display_name":"Coagulation and Flocculation Studies","score":0.6685000061988831,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11188","display_name":"Coagulation and Flocculation Studies","score":0.6685000061988831,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T10210","display_name":"Advanced oxidation water treatment","score":0.3240000009536743,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T13793","display_name":"Environmental and Analytical Chemistry Studies","score":0.0012000000569969416,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/tannery-wastewater","display_name":"tannery wastewater","score":0.9729999899864197},{"id":"https://openalex.org/keywords/electrocoagulation","display_name":"electrocoagulation","score":0.9829999804496765},{"id":"https://openalex.org/keywords/ozonation","display_name":"ozonation","score":0.996999979019165},{"id":"https://openalex.org/keywords/sulfide-removal","display_name":"sulfide removal","score":0.8920000195503235},{"id":"https://openalex.org/keywords/total-suspended-solids-removal","display_name":"total suspended solids removal","score":0.9340000152587891},{"id":"https://openalex.org/keywords/operating-costs","display_name":"operating costs","score":0.7049999833106995},{"id":"https://openalex.org/keywords/chemical-oxidation","display_name":"chemical oxidation","score":0.48899999260902405},{"id":"https://openalex.org/keywords/industrial-wastewater-treatment","display_name":"industrial wastewater treatment","score":0.5429999828338623}],"concepts":[{"id":"https://openalex.org/C19570952","wikidata":"https://www.wikidata.org/wiki/Q905309","display_name":"Suspended solids","level":3,"score":0.6226999759674072},{"id":"https://openalex.org/C94061648","wikidata":"https://www.wikidata.org/wiki/Q336191","display_name":"Wastewater","level":2,"score":0.572700023651123},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5551999807357788},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4553999900817871},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.44769999384880066},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.44769999384880066},{"id":"https://openalex.org/C2780596425","wikidata":"https://www.wikidata.org/wiki/Q221205","display_name":"Sulfide","level":2,"score":0.4447000026702881},{"id":"https://openalex.org/C38626664","wikidata":"https://www.wikidata.org/wiki/Q7939995","display_name":"Volatile suspended solids","level":4,"score":0.38749998807907104},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.3562000095844269},{"id":"https://openalex.org/C57442070","wikidata":"https://www.wikidata.org/wiki/Q221275","display_name":"Sewage treatment","level":2,"score":0.35190001130104065},{"id":"https://openalex.org/C4891672","wikidata":"https://www.wikidata.org/wiki/Q3995966","display_name":"Total suspended solids","level":4,"score":0.2985999882221222},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.29330000281333923},{"id":"https://openalex.org/C2780564542","wikidata":"https://www.wikidata.org/wiki/Q170591","display_name":"Hydrogen sulfide","level":3,"score":0.2930999994277954},{"id":"https://openalex.org/C105341887","wikidata":"https://www.wikidata.org/wiki/Q1307987","display_name":"Suspension (topology)","level":3,"score":0.28519999980926514},{"id":"https://openalex.org/C190960625","wikidata":"https://www.wikidata.org/wiki/Q1058719","display_name":"Water treatment","level":2,"score":0.2700999975204468},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.2685999870300293},{"id":"https://openalex.org/C75779659","wikidata":"https://www.wikidata.org/wiki/Q18538","display_name":"Municipal solid waste","level":2,"score":0.26649999618530273}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.12911/22998993/220121","doi":"https://doi.org/10.12911/22998993/220121","is_oa":true,"landing_page_url":"https://doi.org/10.12911/22998993/220121","pdf_url":"https://www.jeeng.net/pdf-220121-141891?filename=Sequential-electrocoagula.pdf","source":{"id":"https://openalex.org/S2764543046","display_name":"Journal of Ecological Engineering","issn_l":"2081-139X","issn":["2081-139X","2299-8993","2392-0629"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","poland-20","poland-70"],"host_organization":"https://openalex.org/P4310317489","host_organization_name":"Polish Society of Ecological Engineering","host_organization_lineage":["https://openalex.org/P4310317489"],"host_organization_lineage_names":["Polish Society of Ecological Engineering"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Ecological Engineering","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.12911/22998993/220121","doi":"https://doi.org/10.12911/22998993/220121","is_oa":true,"landing_page_url":"https://doi.org/10.12911/22998993/220121","pdf_url":"https://www.jeeng.net/pdf-220121-141891?filename=Sequential-electrocoagula.pdf","source":{"id":"https://openalex.org/S2764543046","display_name":"Journal of Ecological Engineering","issn_l":"2081-139X","issn":["2081-139X","2299-8993","2392-0629"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","poland-20","poland-70"],"host_organization":"https://openalex.org/P4310317489","host_organization_name":"Polish Society of Ecological Engineering","host_organization_lineage":["https://openalex.org/P4310317489"],"host_organization_lineage_names":["Polish Society of Ecological Engineering"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Ecological Engineering","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":1.0},{"id":"https://metadata.un.org/sdg/12","display_name":"Responsible consumption and production","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7166809497.pdf","grobid_xml":"https://content.openalex.org/works/W7166809497.grobid-xml"},"referenced_works_count":51,"referenced_works":["https://openalex.org/W1980979310","https://openalex.org/W1981826619","https://openalex.org/W1996758603","https://openalex.org/W2040826288","https://openalex.org/W2062038996","https://openalex.org/W2067642564","https://openalex.org/W2069087094","https://openalex.org/W2080846169","https://openalex.org/W2092658731","https://openalex.org/W2138033306","https://openalex.org/W2142675514","https://openalex.org/W2145875183","https://openalex.org/W2191015024","https://openalex.org/W2260813862","https://openalex.org/W2311804922","https://openalex.org/W2552916296","https://openalex.org/W2784243286","https://openalex.org/W2810235055","https://openalex.org/W2896169749","https://openalex.org/W2929961182","https://openalex.org/W2947184283","https://openalex.org/W2949086609","https://openalex.org/W2979492383","https://openalex.org/W2996226586","https://openalex.org/W2998840248","https://openalex.org/W3043773619","https://openalex.org/W3083605715","https://openalex.org/W3087399246","https://openalex.org/W3087613668","https://openalex.org/W3087849760","https://openalex.org/W3089940119","https://openalex.org/W3090631769","https://openalex.org/W3176480632","https://openalex.org/W3180903033","https://openalex.org/W3184663886","https://openalex.org/W4205967812","https://openalex.org/W4226046021","https://openalex.org/W4283519469","https://openalex.org/W4289861335","https://openalex.org/W4289941940","https://openalex.org/W4293062096","https://openalex.org/W4312995720","https://openalex.org/W4377197133","https://openalex.org/W4384829178","https://openalex.org/W4386484245","https://openalex.org/W4389265638","https://openalex.org/W4400542334","https://openalex.org/W4400883604","https://openalex.org/W4403566783","https://openalex.org/W4404394943","https://openalex.org/W4404630473"],"related_works":["https://openalex.org/W4389265638","https://openalex.org/W111157549","https://openalex.org/W4403895953","https://openalex.org/W4298056915","https://openalex.org/W4412560581","https://openalex.org/W2949086609","https://openalex.org/W3091993038","https://openalex.org/W4292632956","https://openalex.org/W4210365768","https://openalex.org/W4411761171"],"abstract_inverted_index":{"The":[0],"treatment":[1,55,82,201],"of":[2,14,56,114,121,128,136,149,154,159,164,179,192,196,215,233],"tannery":[3,234],"wastewater":[4],"is":[5,225],"a":[6,72,152,226],"complex":[7],"environmental":[8,231],"challenge.These":[9],"effluents":[10],"have":[11],"high":[12,94],"loads":[13],"total":[15],"suspended":[16],"solids":[17,180],"(TSS)":[18,181],"and,":[19],"especially,":[20],"sulfides,":[21],"pollutants":[22],"that":[23,220],"require":[24],"advanced":[25],"technologies":[26],"due":[27],"to":[28,87,204],"their":[29],"toxicity":[30],"and":[31,37,43,81,182,185],"difficulty":[32],"in":[33,118],"removal.This":[34],"study":[35,116],"presents":[36],"evaluates":[38],"an":[39,50,134,171],"integrated":[40,172],"electrocoagulation":[41],"(EC)":[42],"ozonation":[44,142,186],"(O":[45],"3":[46,73,200,223],")":[47],"system":[48,224],"as":[49,85],"alternative":[51],"for":[52,123,170,229],"the":[53,59,66,115,119,126,140,168,177,188,197,212,216,221,230],"comprehensive":[54],"this":[57],"effluent.In":[58],"EC":[60,91,122,175],"stage,":[61],"it":[62],"was":[63,130,202],"optimized":[64],"using":[65,77,151],"response":[67],"surface":[68],"methodology":[69],"(RSM)":[70],"with":[71,133,238],"k":[74],"factorial":[75],"design,":[76],"current":[78],"intensity":[79],"(I)":[80],"time":[83],"(t)":[84],"factors":[86],"maximize":[88],"TSS":[89,95],"removal.The":[90],"results":[92,218],"demonstrated":[93],"removal":[96,127],"efficiency,":[97],"reaching":[98],"97.91%":[99],"under":[100],"optimal":[101],"conditions":[102],"(p":[103],"<":[104],"0.05),":[105],"which":[106],"significantly":[107],"facilitates":[108],"subsequent":[109,141],"treatment.The":[110],"most":[111],"critical":[112],"finding":[113],"lies":[117],"ineffectiveness":[120],"dissolved":[124],"contaminants:":[125],"sulfides":[129,150],"extremely":[131],"limited,":[132],"efficiency":[135],"only":[137],"4.2%.In":[138],"contrast,":[139],"stage":[143],"achieved":[144],"more":[145],"than":[146],"99%":[147],"elimination":[148],"dose":[153],"12":[155],"g":[156],"h":[157],"-1":[158],"ozone":[160],"after":[161],"20":[162],"minutes":[163],"reaction.This":[165],"result":[166],"justifies":[167],"need":[169],"system,":[173],"where":[174],"handles":[176],"load":[178],"other":[183],"contaminants":[184],"performs":[187],"essential":[189],"chemical":[190],"oxidation":[191],"sulfides.The":[193],"operating":[194],"cost":[195],"combined":[198],"EC-O":[199,222],"determined":[203],"be":[205],"US$":[206],"0.707":[207],"m":[208],"-3":[209],",":[210],"demonstrating":[211],"economic":[213],"viability":[214],"technology.The":[217],"confirm":[219],"synergistic":[227],"solution":[228],"management":[232],"wastewater,":[235],"enabling":[236],"compliance":[237],"maximum":[239],"permissible":[240],"limits.":[241]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-07-02T00:00:00"}
