{"id":"https://openalex.org/W1997448675","doi":"https://doi.org/10.1016/s0043-1354(96)00376-4","title":"Influence of pH over nitrifying biofilm activity in submerged biofilters","display_name":"Influence of pH over nitrifying biofilm activity in submerged biofilters","publication_year":1997,"publication_date":"1997-05-01","ids":{"openalex":"https://openalex.org/W1997448675","doi":"https://doi.org/10.1016/s0043-1354(96)00376-4","mag":"1997448675"},"language":"en","primary_location":{"id":"doi:10.1016/s0043-1354(96)00376-4","doi":"https://doi.org/10.1016/s0043-1354(96)00376-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0043-1354(96)00376-4","pdf_url":null,"source":{"id":"https://openalex.org/S52566953","display_name":"Water Research","issn_l":"0043-1354","issn":["0043-1354","1879-2448"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Water Research","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5113006823","display_name":"S. Villaverde","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I108103353","display_name":"Universidad de Valladolid","ror":"https://ror.org/01fvbaw18","country_code":"ES","type":"education","lineage":["https://openalex.org/I108103353"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"S Villaverde","raw_affiliation_strings":["Environment Technology Group, Chemical Engineering Department, University of Valladolid, 47011 Valladolid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Environment Technology Group, Chemical Engineering Department, University of Valladolid, 47011 Valladolid, Spain","institution_ids":["https://openalex.org/I108103353"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5113006823"],"corresponding_institution_ids":["https://openalex.org/I108103353"],"apc_list":{"value":4660,"currency":"USD","value_usd":4660},"apc_paid":null,"fwci":3.7035,"has_fulltext":false,"cited_by_count":288,"citation_normalized_percentile":{"value":0.91931577,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":"31","issue":"5","first_page":"1180","last_page":"1186"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10564","display_name":"Wastewater Treatment and Nitrogen Removal","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T10564","display_name":"Wastewater Treatment and Nitrogen Removal","score":0.9984999895095825,"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"}},{"id":"https://openalex.org/T11493","display_name":"Water Treatment and Disinfection","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T11781","display_name":"Wastewater Treatment and Reuse","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/ph","display_name":"pH","score":0.6129999756813049},{"id":"https://openalex.org/keywords/nitrification","display_name":"nitrification","score":0.9819999933242798},{"id":"https://openalex.org/keywords/submerged-biofilter","display_name":"submerged biofilter","score":0.8769999742507935},{"id":"https://openalex.org/keywords/nitrifying-biofilm","display_name":"nitrifying biofilm","score":0.9670000076293945},{"id":"https://openalex.org/keywords/free-ammonia-inhibition","display_name":"free ammonia inhibition","score":0.9679999947547913},{"id":"https://openalex.org/keywords/substrate-limitation","display_name":"substrate limitation","score":0.8659999966621399},{"id":"https://openalex.org/keywords/ammonia-oxidation","display_name":"ammonia oxidation","score":0.7110000252723694},{"id":"https://openalex.org/keywords/nitrite-accumulation","display_name":"nitrite accumulation","score":0.8069999814033508},{"id":"https://openalex.org/keywords/alkalinity","display_name":"alkalinity","score":0.6850000023841858},{"id":"https://openalex.org/keywords/reactor-hydrodynamics","display_name":"reactor hydrodynamics","score":0.6179999709129333}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.835412323474884},{"id":"https://openalex.org/C164752452","wikidata":"https://www.wikidata.org/wiki/Q668677","display_name":"Nitrification","level":3,"score":0.7997560501098633},{"id":"https://openalex.org/C45812177","wikidata":"https://www.wikidata.org/wiki/Q432016","display_name":"Alkalinity","level":2,"score":0.7804674506187439},{"id":"https://openalex.org/C49671963","wikidata":"https://www.wikidata.org/wiki/Q864323","display_name":"Biofilter","level":2,"score":0.7791337966918945},{"id":"https://openalex.org/C2776179834","wikidata":"https://www.wikidata.org/wiki/Q72158415","display_name":"Nitrite","level":3,"score":0.7292590141296387},{"id":"https://openalex.org/C2776382133","wikidata":"https://www.wikidata.org/wiki/Q4087","display_name":"Ammonia","level":2,"score":0.6874240636825562},{"id":"https://openalex.org/C2779870022","wikidata":"https://www.wikidata.org/wiki/Q190901","display_name":"Ammonium","level":2,"score":0.6467936038970947},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.5262333750724792},{"id":"https://openalex.org/C58123911","wikidata":"https://www.wikidata.org/wiki/Q467410","display_name":"Biofilm","level":3,"score":0.5224353671073914},{"id":"https://openalex.org/C2777289219","wikidata":"https://www.wikidata.org/wiki/Q7632154","display_name":"Substrate (aquarium)","level":2,"score":0.5149010419845581},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.4277578294277191},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.38521474599838257},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.3357510268688202},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.28464457392692566},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.2570561468601227},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.22819679975509644},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.17035537958145142},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.13778141140937805},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.11845174431800842},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.08405673503875732},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0043-1354(96)00376-4","doi":"https://doi.org/10.1016/s0043-1354(96)00376-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0043-1354(96)00376-4","pdf_url":null,"source":{"id":"https://openalex.org/S52566953","display_name":"Water Research","issn_l":"0043-1354","issn":["0043-1354","1879-2448"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Water Research","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":0.965499997138977}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W163855127","https://openalex.org/W198456747","https://openalex.org/W1712469595","https://openalex.org/W1856219842","https://openalex.org/W1975567958","https://openalex.org/W2004835688","https://openalex.org/W2016844626","https://openalex.org/W2029159611","https://openalex.org/W2039897278","https://openalex.org/W2075535982","https://openalex.org/W2077551725","https://openalex.org/W2082072961","https://openalex.org/W2088251223","https://openalex.org/W2278260439","https://openalex.org/W2312034290","https://openalex.org/W2922350261"],"related_works":["https://openalex.org/W2278260439","https://openalex.org/W2013606179","https://openalex.org/W155851539","https://openalex.org/W2084983714","https://openalex.org/W4210946653","https://openalex.org/W2091823944","https://openalex.org/W2127303510","https://openalex.org/W2069967327","https://openalex.org/W2384046490","https://openalex.org/W7099867064"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":16},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":12},{"year":2018,"cited_by_count":19},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":10},{"year":2015,"cited_by_count":24},{"year":2014,"cited_by_count":18},{"year":2013,"cited_by_count":15},{"year":2012,"cited_by_count":11}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}