{"id":"https://openalex.org/W7127050452","doi":"https://doi.org/10.62972/1726-4685.2026.1.252","title":"Acid-base activation of thermal power plant ash sludge and its adsorption properties towards heavy metals","display_name":"Acid-base activation of thermal power plant ash sludge and its adsorption properties towards heavy metals","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7127050452","doi":"https://doi.org/10.62972/1726-4685.2026.1.252"},"language":"en","primary_location":{"id":"doi:10.62972/1726-4685.2026.1.252","doi":"https://doi.org/10.62972/1726-4685.2026.1.252","is_oa":true,"landing_page_url":"https://doi.org/10.62972/1726-4685.2026.1.252","pdf_url":"https://ppor.az/index.php/ppor/article/download/643/568/727","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes of Petrochemistry and Oil Refining","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://ppor.az/index.php/ppor/article/download/643/568/727","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5137185803","display_name":"Mirtokhir M. Muratov","orcid":"https://orcid.org/0009-0005-9589-7491","observed_orcids":["https://orcid.org/0009-0005-9589-7491"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mirtokhir M.Muratov","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005844437","display_name":"\u0410\u0431\u0434\u0438\u043a\u0430\u043c\u0430\u043b\u043e\u0432\u0430 \u0410\u0437\u0438\u0437\u0430 \u0411\u0430\u0445\u0442\u0438\u044f\u0440\u043e\u0432\u043d\u0430","orcid":"https://orcid.org/0000-0002-1775-3039","observed_orcids":["https://orcid.org/0000-0002-1775-3039"]},"institutions":[{"id":"https://openalex.org/I4210162459","display_name":"Karakalpak State University","ror":"https://ror.org/059w0gb06","country_code":"UZ","type":"education","lineage":["https://openalex.org/I4210162459"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Aziza B. Abdikamalova","raw_affiliation_strings":["Karakalpak State University , Nukus , 41 O' zbekiston Guzari , Karakalpakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Karakalpak State University , Nukus , 41 O' zbekiston Guzari , Karakalpakistan","institution_ids":["https://openalex.org/I4210162459"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093744209","display_name":"\u0421\u0435\u0439\u0442\u043d\u0430\u0437\u0430\u0440\u043e\u0432\u0430 \u041e\u043a\u0441\u0430\u043d\u0430 \u041c\u0443\u0440\u0430\u0442\u0431\u0430\u0435\u0432\u043d\u0430","orcid":"https://orcid.org/0009-0002-0466-4042","observed_orcids":["https://orcid.org/0009-0002-0466-4042"]},"institutions":[{"id":"https://openalex.org/I4210162459","display_name":"Karakalpak State University","ror":"https://ror.org/059w0gb06","country_code":"UZ","type":"education","lineage":["https://openalex.org/I4210162459"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Oksana \u041c. Seytnazarova","raw_affiliation_strings":["Karakalpak State University , Nukus , 41 O' zbekiston Guzari , Karakalpakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Karakalpak State University , Nukus , 41 O' zbekiston Guzari , Karakalpakistan","institution_ids":["https://openalex.org/I4210162459"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115785167","display_name":"Nursulu Najimova","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1302269238","display_name":"Academy of Sciences Republic of Uzbekistan","ror":"https://ror.org/01xgfaw76","country_code":"UZ","type":"government","lineage":["https://openalex.org/I1302269238","https://openalex.org/I4405266844"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Nursulu B. Najimova","raw_affiliation_strings":["Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan","institution_ids":["https://openalex.org/I1302269238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124697125","display_name":"Dilnoza S. Salikhanova","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1302269238","display_name":"Academy of Sciences Republic of Uzbekistan","ror":"https://ror.org/01xgfaw76","country_code":"UZ","type":"government","lineage":["https://openalex.org/I1302269238","https://openalex.org/I4405266844"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Dilnoza S. Salikhanova","raw_affiliation_strings":["Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan","institution_ids":["https://openalex.org/I1302269238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124740009","display_name":"Izzat D. Eshmetov","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1302269238","display_name":"Academy of Sciences Republic of Uzbekistan","ror":"https://ror.org/01xgfaw76","country_code":"UZ","type":"government","lineage":["https://openalex.org/I1302269238","https://openalex.org/I4405266844"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Izzat D. Eshmetov","raw_affiliation_strings":["Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan","institution_ids":["https://openalex.org/I1302269238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124718261","display_name":"Dilshod M. Khaydarov","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210136103","display_name":"Tashkent Chemical-Technological Institute","ror":"https://ror.org/045qcpw44","country_code":"UZ","type":"education","lineage":["https://openalex.org/I4210136103"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Dilshod M. Khaydarov","raw_affiliation_strings":["Tashkent Institute of Chemical Technology , 32 Navoi ave"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tashkent Institute of Chemical Technology , 32 Navoi ave","institution_ids":["https://openalex.org/I4210136103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124707705","display_name":"Akmal Kh. Abdirakhimov","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1302269238","display_name":"Academy of Sciences Republic of Uzbekistan","ror":"https://ror.org/01xgfaw76","country_code":"UZ","type":"government","lineage":["https://openalex.org/I1302269238","https://openalex.org/I4405266844"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Akmal Kh. Abdirakhimov","raw_affiliation_strings":["Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan","institution_ids":["https://openalex.org/I1302269238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076683808","display_name":"Rakhimjon A. Paygamov","orcid":"https://orcid.org/0009-0009-0475-3150","observed_orcids":["https://orcid.org/0009-0009-0475-3150"]},"institutions":[{"id":"https://openalex.org/I1302269238","display_name":"Academy of Sciences Republic of Uzbekistan","ror":"https://ror.org/01xgfaw76","country_code":"UZ","type":"government","lineage":["https://openalex.org/I1302269238","https://openalex.org/I4405266844"]}],"countries":["UZ"],"is_corresponding":false,"raw_author_name":"Rakhimjon A. Paygamov","raw_affiliation_strings":["Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of General and Inorganic Chemistry , Tashkent , 77a M. Ulugbek , 100170 Uzbekistan","institution_ids":["https://openalex.org/I1302269238"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082204789","display_name":"\u041c\u0430\u043c\u0430\u0442\u0430\u043b\u0438\u0435\u0432 \u041d\u043e\u0437\u0438\u043c \u041d\u0438\u043c\u0430\u0434\u0436\u043e\u043d\u043e\u0432\u0438\u0447","orcid":"https://orcid.org/0000-0003-1029-2695","observed_orcids":["https://orcid.org/0000-0003-1029-2695"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Nozim N. Mamataliev","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.6991,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.94698667,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":null,"issue":"01","first_page":"252","last_page":"252"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10016","display_name":"Adsorption and biosorption for pollutant removal","score":0.9804999828338623,"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/T10016","display_name":"Adsorption and biosorption for pollutant removal","score":0.9804999828338623,"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/T12218","display_name":"Coal and Its By-products","score":0.006399999838322401,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11672","display_name":"Recycling and utilization of industrial and municipal waste in materials production","score":0.005499999970197678,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/heavy-metal-adsorption","display_name":"heavy metal adsorption","score":0.9850000143051147},{"id":"https://openalex.org/keywords/lead","display_name":"lead","score":0.5450000166893005},{"id":"https://openalex.org/keywords/copper","display_name":"copper","score":1.0},{"id":"https://openalex.org/keywords/nickel","display_name":"nickel","score":1.0},{"id":"https://openalex.org/keywords/manganese","display_name":"manganese","score":1.0},{"id":"https://openalex.org/keywords/langmuir-isotherm","display_name":"Langmuir isotherm","score":0.9049999713897705},{"id":"https://openalex.org/keywords/dubinin-radushkevich-isotherm","display_name":"Dubinin-Radushkevich isotherm","score":0.9959999918937683},{"id":"https://openalex.org/keywords/specific-surface-area","display_name":"specific surface area","score":0.800000011920929},{"id":"https://openalex.org/keywords/porous-structure","display_name":"porous structure","score":0.9200000166893005},{"id":"https://openalex.org/keywords/wastewater-treatment","display_name":"wastewater treatment","score":0.7250000238418579},{"id":"https://openalex.org/keywords/coal-combustion-residuals","display_name":"coal combustion by-products","score":0.5350000262260437}],"concepts":[{"id":"https://openalex.org/C2776053758","wikidata":"https://www.wikidata.org/wiki/Q105789","display_name":"Heavy metals","level":2,"score":0.6032999753952026},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.5357999801635742},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.4392000138759613},{"id":"https://openalex.org/C2039551","wikidata":"https://www.wikidata.org/wiki/Q200297","display_name":"Thermal power station","level":2,"score":0.40130001306533813},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.38679999113082886},{"id":"https://openalex.org/C544153396","wikidata":"https://www.wikidata.org/wiki/Q11426","display_name":"Metal","level":2,"score":0.38420000672340393},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.37720000743865967},{"id":"https://openalex.org/C2780859252","wikidata":"https://www.wikidata.org/wiki/Q11888968","display_name":"Sewage sludge","level":3,"score":0.37059998512268066},{"id":"https://openalex.org/C204530211","wikidata":"https://www.wikidata.org/wiki/Q752823","display_name":"Thermal","level":2,"score":0.36399999260902405},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3587999939918518},{"id":"https://openalex.org/C4311470","wikidata":"https://www.wikidata.org/wiki/Q159719","display_name":"Power station","level":2,"score":0.34439998865127563},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.33239999413490295},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.3000999987125397},{"id":"https://openalex.org/C87343466","wikidata":"https://www.wikidata.org/wiki/Q236139","display_name":"Fly ash","level":2,"score":0.2874999940395355},{"id":"https://openalex.org/C544657597","wikidata":"https://www.wikidata.org/wiki/Q1091","display_name":"Cadmium","level":2,"score":0.2662999927997589}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.62972/1726-4685.2026.1.252","doi":"https://doi.org/10.62972/1726-4685.2026.1.252","is_oa":true,"landing_page_url":"https://doi.org/10.62972/1726-4685.2026.1.252","pdf_url":"https://ppor.az/index.php/ppor/article/download/643/568/727","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes of Petrochemistry and Oil Refining","raw_type":"journal-article"},{"id":"pmh:oai:ojs2.ppor.az:article/643","doi":null,"is_oa":true,"landing_page_url":"https://ppor.az/index.php/ppor/article/view/643","pdf_url":"https://ppor.az/index.php/ppor/article/download/643/568","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"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":"1726-4685","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.62972/1726-4685.2026.1.252","doi":"https://doi.org/10.62972/1726-4685.2026.1.252","is_oa":true,"landing_page_url":"https://doi.org/10.62972/1726-4685.2026.1.252","pdf_url":"https://ppor.az/index.php/ppor/article/download/643/568/727","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes of Petrochemistry and Oil Refining","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Clean water and sanitation","score":0.8571000099182129,"id":"https://metadata.un.org/sdg/6"},{"display_name":"Affordable and clean energy","score":0.5690000057220459,"id":"https://metadata.un.org/sdg/7"},{"display_name":"Responsible consumption and production","score":0.5171999931335449,"id":"https://metadata.un.org/sdg/12"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7127050452.pdf","grobid_xml":"https://content.openalex.org/works/W7127050452.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1969350550","https://openalex.org/W7136045959","https://openalex.org/W2933484232","https://openalex.org/W2350748634","https://openalex.org/W4407010792","https://openalex.org/W3088948937","https://openalex.org/W4391715686","https://openalex.org/W4321603144","https://openalex.org/W3032062413","https://openalex.org/W2126104100"],"abstract_inverted_index":{"The":[0],"results":[1],"of":[2,9,16,37,45,64,71,74,83,182,196],"a":[3,65,80],"study":[4],"on":[5],"the":[6,14,22,38,46,62,69,72,103,112,129,151,161,179,193],"sorption":[7,114,180],"properties":[8,87],"ash-sludge":[10,183],"materials":[11,47],"generated":[12],"during":[13],"combustion":[15],"coal":[17],"and":[18,28,42,68,99,105,122,133,146,163,192],"natural":[19],"gas":[20],"at":[21],"Takhiatash":[23],"Thermal":[24],"Power":[25],"Plant":[26],"before":[27],"after":[29,155],"acid":[30],"-alkaline":[31],"activation":[32,156],"are":[33],"presented.A":[34],"comprehensive":[35],"analysis":[36],"morphology,":[39],"phase":[40],"composition,":[41],"textural":[43],"characteristics":[44],"was":[48,51],"carried":[49],"out.It":[50],"established":[52],"that":[53,170],"modification":[54],"promotes":[55],"an":[56,174],"increase":[57,149],"in":[58,142,150],"specific":[59],"surface":[60],"area,":[61],"development":[63],"porous":[66],"structure,":[67],"growth":[70],"number":[73],"active":[75],"sites,":[76],"which":[77,137],"leads":[78],"to":[79,92,119,125,140],"significant":[81],"enhancement":[82],"adsorption":[84,86,153],"capacity.The":[85],"were":[88,135],"investigated":[89],"with":[90],"respect":[91],"Pb\u00b2\u207a":[93,117],",":[94,96,98],"Cu\u00b2\u207a":[95,123],"Ni\u00b2\u207a":[97,132],"Mn\u00b2\u207a":[100,134],"ions":[101],"using":[102],"Langmuir":[104],"Dubinin-Radushkevich":[106],"isotherm":[107],"models.The":[108],"activated":[109],"samples":[110],"demonstrated":[111],"highest":[113],"capacity":[115],"toward":[116],"(up":[118,124],"71.94":[120],"mg/g)":[121],"52.36":[126],"mg/g),":[127],"whereas":[128],"values":[130],"for":[131,177,189],"lower,":[136],"is":[138,173],"attributed":[139],"differences":[141],"their":[143],"hydration":[144],"radii":[145],"complexation":[147],"abilities.An":[148],"characteristic":[152],"energy":[154],"indicates":[157],"enhanced":[158],"interaction":[159],"between":[160],"sorbents":[162],"heavy":[164],"metal":[165],"cations.It":[166],"has":[167],"been":[168],"shown":[169],"acid-alkaline":[171],"treatment":[172],"effective":[175],"method":[176],"improving":[178],"activity":[181],"materials,":[184],"making":[185],"them":[186],"promising":[187],"adsorbents":[188],"wastewater":[190],"purification":[191],"rational":[194],"utilization":[195],"technogenic":[197],"wastes":[198],"from":[199],"thermal":[200],"power":[201],"plants":[202]},"counts_by_year":[{"year":2026,"cited_by_count":4}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2026-02-03T00:00:00"}
