{"id":"https://openalex.org/W7225452155","doi":"https://doi.org/10.54117/yw9cn180","title":"Response Surface Optimization of Hydrogen Peroxide Oxidation for Cyanide Remediation of Cassava-Effluent-Impacted Soils in Southern Nigeria","display_name":"Response Surface Optimization of Hydrogen Peroxide Oxidation for Cyanide Remediation of Cassava-Effluent-Impacted Soils in Southern Nigeria","publication_year":2026,"publication_date":"2026-11-07","ids":{"openalex":"https://openalex.org/W7225452155","doi":"https://doi.org/10.54117/yw9cn180"},"language":"en","primary_location":{"id":"doi:10.54117/yw9cn180","doi":"https://doi.org/10.54117/yw9cn180","is_oa":true,"landing_page_url":"https://doi.org/10.54117/yw9cn180","pdf_url":"https://journals.ipsintelligentsia.com/engineering-technology/index.php/ijet/article/download/46/42","source":{"id":"https://openalex.org/S5407053227","display_name":"IPS Journal of Engineering and Technology","issn_l":"3115-5669","issn":["3115-5669"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IPS Journal of Engineering and Technology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://journals.ipsintelligentsia.com/engineering-technology/index.php/ijet/article/download/46/42","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031669763","display_name":"Samson Onoriode Okpo","orcid":"https://orcid.org/0000-0001-6197-5360","observed_orcids":["https://orcid.org/0000-0001-6197-5360"]},"institutions":[{"id":"https://openalex.org/I4405254558","display_name":"Southern Delta University, Ozoro","ror":"https://ror.org/01yteb360","country_code":"NG","type":"education","lineage":["https://openalex.org/I4405254558"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Samson Onoriode Okpo","raw_affiliation_strings":["Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State","institution_ids":["https://openalex.org/I4405254558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161197651","display_name":"Uchechukwu Daniel Ibobo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405254558","display_name":"Southern Delta University, Ozoro","ror":"https://ror.org/01yteb360","country_code":"NG","type":"education","lineage":["https://openalex.org/I4405254558"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Uchechukwu Daniel Ibobo","raw_affiliation_strings":["Department of Petroleum Engineering, Southern Delta University, Ozoro, Delta State"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Petroleum Engineering, Southern Delta University, Ozoro, Delta State","institution_ids":["https://openalex.org/I4405254558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015677958","display_name":"Mabel Keke","orcid":"https://orcid.org/0000-0002-7494-7358","observed_orcids":["https://orcid.org/0000-0002-7494-7358"]},"institutions":[{"id":"https://openalex.org/I4405254558","display_name":"Southern Delta University, Ozoro","ror":"https://ror.org/01yteb360","country_code":"NG","type":"education","lineage":["https://openalex.org/I4405254558"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Mabel Keke","raw_affiliation_strings":["Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State","institution_ids":["https://openalex.org/I4405254558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092667528","display_name":"David Emoefe Rockson-Itiveh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405254558","display_name":"Southern Delta University, Ozoro","ror":"https://ror.org/01yteb360","country_code":"NG","type":"education","lineage":["https://openalex.org/I4405254558"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"David Emoefe Rockson-Itiveh","raw_affiliation_strings":["Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State","institution_ids":["https://openalex.org/I4405254558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092577030","display_name":"Fabian Chidiebere Ozioko","orcid":"https://orcid.org/0009-0004-6296-4670","observed_orcids":["https://orcid.org/0009-0004-6296-4670"]},"institutions":[{"id":"https://openalex.org/I4405254558","display_name":"Southern Delta University, Ozoro","ror":"https://ror.org/01yteb360","country_code":"NG","type":"education","lineage":["https://openalex.org/I4405254558"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Fabian Chidiebere Ozioko","raw_affiliation_strings":["Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State","institution_ids":["https://openalex.org/I4405254558"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5161161667","display_name":"Success Chukwudi Eriamiatoe","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405254558","display_name":"Southern Delta University, Ozoro","ror":"https://ror.org/01yteb360","country_code":"NG","type":"education","lineage":["https://openalex.org/I4405254558"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Success Chukwudi Eriamiatoe","raw_affiliation_strings":["Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering, Southern Delta University, Ozoro, Delta State","institution_ids":["https://openalex.org/I4405254558"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4405254558"],"apc_list":null,"apc_paid":null,"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":"2","issue":"2","first_page":"378","last_page":"388"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12305","display_name":"Cassava research and cyanide","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12305","display_name":"Cassava research and cyanide","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13793","display_name":"Environmental and Analytical Chemistry Studies","score":0.0006000000284984708,"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/T10139","display_name":"Heavy metals in environment","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"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/hydrogen-peroxide-oxidation","display_name":"hydrogen peroxide oxidation","score":0.9769999980926514},{"id":"https://openalex.org/keywords/cassava-wastewater","display_name":"cassava wastewater","score":0.7450000047683716},{"id":"https://openalex.org/keywords/soil-contamination","display_name":"soil contamination","score":0.8960000276565552},{"id":"https://openalex.org/keywords/response-surface-methodology","display_name":"response surface methodology","score":0.6480000019073486},{"id":"https://openalex.org/keywords/box-behnken-design","display_name":"Box-Behnken design","score":0.9639999866485596},{"id":"https://openalex.org/keywords/soil-remediation","display_name":"soil remediation","score":0.4490000009536743},{"id":"https://openalex.org/keywords/moisture-content","display_name":"moisture content","score":0.4580000042915344},{"id":"https://openalex.org/keywords/reaction-time-chemistry","display_name":"reaction time (chemistry)","score":0.8889999985694885},{"id":"https://openalex.org/keywords/oxidant-dosage","display_name":"oxidant dosage","score":0.5009999871253967},{"id":"https://openalex.org/keywords/delta-state","display_name":"Delta State","score":0.6019999980926514}],"concepts":[{"id":"https://openalex.org/C2778455166","wikidata":"https://www.wikidata.org/wiki/Q55076544","display_name":"Cyanide","level":2,"score":0.796999990940094},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.7052000164985657},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.6762999892234802},{"id":"https://openalex.org/C533411734","wikidata":"https://www.wikidata.org/wiki/Q171877","display_name":"Hydrogen peroxide","level":2,"score":0.599399983882904},{"id":"https://openalex.org/C522964758","wikidata":"https://www.wikidata.org/wiki/Q2019586","display_name":"Environmental remediation","level":3,"score":0.578499972820282},{"id":"https://openalex.org/C2778562268","wikidata":"https://www.wikidata.org/wiki/Q102769","display_name":"Sodium hydroxide","level":2,"score":0.4975999891757965},{"id":"https://openalex.org/C2781046861","wikidata":"https://www.wikidata.org/wiki/Q26075","display_name":"Hydrogen cyanide","level":2,"score":0.4900999963283539},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.4805999994277954},{"id":"https://openalex.org/C48743137","wikidata":"https://www.wikidata.org/wiki/Q1783121","display_name":"Organic matter","level":2,"score":0.47049999237060547},{"id":"https://openalex.org/C94061648","wikidata":"https://www.wikidata.org/wiki/Q336191","display_name":"Wastewater","level":2,"score":0.4147000014781952},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.3889999985694885},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.3653999865055084},{"id":"https://openalex.org/C150077022","wikidata":"https://www.wikidata.org/wiki/Q3136137","display_name":"Response surface methodology","level":2,"score":0.34709998965263367},{"id":"https://openalex.org/C158787203","wikidata":"https://www.wikidata.org/wiki/Q900291","display_name":"Total organic carbon","level":2,"score":0.3246000111103058},{"id":"https://openalex.org/C36574619","wikidata":"https://www.wikidata.org/wiki/Q449096","display_name":"Dissolved organic carbon","level":2,"score":0.31630000472068787},{"id":"https://openalex.org/C112570922","wikidata":"https://www.wikidata.org/wiki/Q60528603","display_name":"Contamination","level":2,"score":0.31540000438690186},{"id":"https://openalex.org/C8625798","wikidata":"https://www.wikidata.org/wiki/Q752112","display_name":"Surface water","level":2,"score":0.311599999666214},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.3046000003814697},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.30169999599456787},{"id":"https://openalex.org/C544778455","wikidata":"https://www.wikidata.org/wiki/Q753","display_name":"Copper","level":2,"score":0.29010000824928284},{"id":"https://openalex.org/C4725764","wikidata":"https://www.wikidata.org/wiki/Q844704","display_name":"Extraction (chemistry)","level":2,"score":0.28540000319480896},{"id":"https://openalex.org/C2781178838","wikidata":"https://www.wikidata.org/wiki/Q1976487","display_name":"Phragmites","level":3,"score":0.27250000834465027},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.2685999870300293},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.26759999990463257},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.2662000060081482},{"id":"https://openalex.org/C94412978","wikidata":"https://www.wikidata.org/wiki/Q103135","display_name":"Hydrolysis","level":2,"score":0.2630999982357025},{"id":"https://openalex.org/C85582077","wikidata":"https://www.wikidata.org/wiki/Q842623","display_name":"Paddy field","level":2,"score":0.25859999656677246},{"id":"https://openalex.org/C2780471494","wikidata":"https://www.wikidata.org/wiki/Q146505","display_name":"Solvent","level":2,"score":0.25450000166893005}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.54117/yw9cn180","doi":"https://doi.org/10.54117/yw9cn180","is_oa":true,"landing_page_url":"https://doi.org/10.54117/yw9cn180","pdf_url":"https://journals.ipsintelligentsia.com/engineering-technology/index.php/ijet/article/download/46/42","source":{"id":"https://openalex.org/S5407053227","display_name":"IPS Journal of Engineering and Technology","issn_l":"3115-5669","issn":["3115-5669"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IPS Journal of Engineering and Technology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.54117/yw9cn180","doi":"https://doi.org/10.54117/yw9cn180","is_oa":true,"landing_page_url":"https://doi.org/10.54117/yw9cn180","pdf_url":"https://journals.ipsintelligentsia.com/engineering-technology/index.php/ijet/article/download/46/42","source":{"id":"https://openalex.org/S5407053227","display_name":"IPS Journal of Engineering and Technology","issn_l":"3115-5669","issn":["3115-5669"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IPS Journal of Engineering and Technology","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/12","score":0.7811999917030334,"display_name":"Responsible consumption and production"},{"id":"https://metadata.un.org/sdg/6","score":0.7778000235557556,"display_name":"Clean water and sanitation"},{"id":"https://metadata.un.org/sdg/2","score":0.40450000762939453,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225452155.pdf","grobid_xml":"https://content.openalex.org/works/W7225452155.grobid-xml"},"referenced_works_count":26,"referenced_works":["https://openalex.org/W1976731861","https://openalex.org/W1984279213","https://openalex.org/W2003695893","https://openalex.org/W2024754807","https://openalex.org/W2066947166","https://openalex.org/W2072812360","https://openalex.org/W2088376206","https://openalex.org/W2102598137","https://openalex.org/W2145765210","https://openalex.org/W2153526849","https://openalex.org/W2910526292","https://openalex.org/W2924839588","https://openalex.org/W4200317332","https://openalex.org/W4280584305","https://openalex.org/W4281790782","https://openalex.org/W4285413384","https://openalex.org/W4293715473","https://openalex.org/W4319863824","https://openalex.org/W4327682562","https://openalex.org/W4375928657","https://openalex.org/W4385301583","https://openalex.org/W4391554826","https://openalex.org/W4393034555","https://openalex.org/W4403157215","https://openalex.org/W4411630125","https://openalex.org/W7161296022"],"related_works":["https://openalex.org/W2382695290","https://openalex.org/W2362097672","https://openalex.org/W2391203402","https://openalex.org/W2618511511","https://openalex.org/W1137530996","https://openalex.org/W2805375380","https://openalex.org/W2297793727","https://openalex.org/W4386244071","https://openalex.org/W4401954367","https://openalex.org/W2003695893"],"abstract_inverted_index":{"Cassava-processing":[0],"wastewater":[1],"can":[2],"introduce":[3],"cyanogenic":[4],"contaminants":[5],"into":[6],"soils":[7,21],"receiving":[8],"untreated":[9],"discharges.":[10],"This":[11],"study":[12],"evaluated":[13],"laboratory-scale":[14],"hydrogen":[15],"peroxide":[16],"(H\u2082O\u2082)":[17],"oxidation":[18],"of":[19,198,223,243],"cyanide-contaminated":[20],"from":[22,121,127],"three":[23],"cassava-processing-impacted":[24],"locations":[25],"in":[26,89,175,193,218],"Ozoro":[27],"and":[28,34,51,69,101,115,131,138,156,164,169,188,201,214,239,246,261],"its":[29],"environs,":[30],"Delta":[31],"State,":[32],"Nigeria,":[33],"optimized":[35],"the":[36,132,147,157,176,194,221,224,230],"process":[37],"using":[38,62],"response":[39],"surface":[40],"methodology.":[41],"Baseline":[42,118],"soil":[43],"pH,":[44],"moisture":[45],"content,":[46],"electrical":[47],"conductivity,":[48],"organic":[49,125],"matter":[50,126],"cyanide":[52,107,133,196],"were":[53,94,135,151,161,208],"determined.":[54],"Cyanide":[55],"was":[56,87,109,182],"analysed":[57],"by":[58,179],"an":[59],"acid-distillation/colorimetric":[60],"procedure":[61],"copper":[63],"chloride,":[64],"sodium":[65],"hydroxide":[66],"trapping,":[67],"chloramine-T":[68],"pyridine-barbituric":[70],"acid,":[71],"with":[72],"spectrophotometric":[73],"measurement":[74],"at":[75],"578":[76],"nm.":[77],"A":[78],"randomized":[79],"three-factor,":[80],"three-level":[81],"Box\u2013Behnken":[82],"design":[83],"comprising":[84],"17":[85],"runs":[86],"executed":[88],"Design-Expert":[90],"13.0.1.0.":[91],"The":[92,172,204,232],"factors":[93],"H\u2082O\u2082":[95,205],"load":[96],"(0.5\u20131.5%),":[97],"water":[98,186],"content":[99,187],"(20\u2013100%)":[100],"reaction":[102],"time":[103],"(24\u201396":[104],"h),":[105],"while":[106],"reduction":[108,197],"modelled":[110],"separately":[111],"for":[112,166,236],"Leo,":[113,167],"Oroledo":[114,168],"Erovie":[116,170],"soils.":[117],"pH":[119],"ranged":[120],"6.32":[122],"to":[123,129,254],"6.81,":[124],"15.00":[128],"48.54%,":[130],"concentrations":[134],"853,":[136],"614":[137],"1041":[139],"mg":[140],"CN\u207b":[141],"kg\u207b\u00b9":[142],"dry":[143],"soil,":[144],"respectively.":[145,171,203],"All":[146],"fitted":[148],"quadratic":[149,206],"equations":[150],"significant":[152,212],"(p":[153],"<":[154],"0.0001)":[155],"R\u00b2":[158],"values":[159],"obtained":[160],"0.9911,":[162],"0.9934":[163],"0.9922":[165],"optimum":[173],"found":[174],"experimental":[177],"domain":[178],"numerical":[180],"optimization":[181],"1.0%":[183],"H\u2082O\u2082,":[184],"60%":[185],"60":[189],"h,":[190],"which":[191],"resulted":[192],"observed":[195],"73.44%,":[199],"80.85%":[200],"87.14%,":[202],"coefficients":[207],"all":[209],"negative,":[210],"suggesting":[211],"curvature":[213],"that":[215,250],"further":[216],"increases":[217],"oxidants":[219],"beyond":[220],"centre":[222],"plot":[225],"did":[226],"not":[227],"consistently":[228],"increase":[229],"removal.":[231],"results":[233],"are":[234],"encouraging":[235],"laboratory":[237],"application,":[238],"site-specific":[240,258],"results,":[241],"limitations":[242],"available":[244],"analytical":[245],"operational":[247],"data":[248],"suggest":[249],"field":[251],"application":[252],"needs":[253],"be":[255],"independently":[256],"validated,":[257],"oxidant-demand":[259],"assessment,":[260],"full":[262],"soil-quality":[263],"characterization.":[264]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-11-08T00:00:00"}