{"id":"https://openalex.org/W201613619","doi":null,"title":"Nitrogen removal in process water from the Gerum tunnel","display_name":"Nitrogen removal in process water from the Gerum tunnel","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W201613619","mag":"201613619"},"language":"en","primary_location":{"id":"pmh:oai:publications.lib.chalmers.se:202808","doi":null,"is_oa":false,"landing_page_url":"http://studentarbeten.chalmers.se/publication/202808-nitrogen-removal-in-process-water-from-the-gerum-tunnel","pdf_url":null,"source":{"id":"https://openalex.org/S4377196470","display_name":"Chalmers Publication Library (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text.Thesis.Masters.H"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"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/A5076001561","display_name":"Victoria Liljedahl","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Victoria Liljedahl","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5076001561"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10564","display_name":"Wastewater Treatment and Nitrogen Removal","score":0.9990000128746033,"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":0.9990000128746033,"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/T14249","display_name":"Water Quality Monitoring and Analysis","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"}},{"id":"https://openalex.org/T11493","display_name":"Water Treatment and Disinfection","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/nitrogen-removal","display_name":"nitrogen removal","score":0.9739999771118164},{"id":"https://openalex.org/keywords/nitrification","display_name":"nitrification","score":0.9129999876022339},{"id":"https://openalex.org/keywords/denitrification","display_name":"denitrification","score":1.0},{"id":"https://openalex.org/keywords/explosive-residues","display_name":"explosive residues","score":0.6990000009536743},{"id":"https://openalex.org/keywords/ammonium","display_name":"ammonium","score":0.6290000081062317},{"id":"https://openalex.org/keywords/nitrite","display_name":"nitrite","score":0.7229999899864197},{"id":"https://openalex.org/keywords/nitrate","display_name":"nitrate","score":0.6729999780654907},{"id":"https://openalex.org/keywords/phosphate-starvation","display_name":"phosphate limitation","score":0.800000011920929},{"id":"https://openalex.org/keywords/alkalinity","display_name":"alkalinity","score":0.9819999933242798},{"id":"https://openalex.org/keywords/biological-wastewater-treatment","display_name":"biological wastewater treatment","score":0.6309999823570251}],"concepts":[{"id":"https://openalex.org/C164752452","wikidata":"https://www.wikidata.org/wiki/Q668677","display_name":"Nitrification","level":3,"score":0.8997189402580261},{"id":"https://openalex.org/C45812177","wikidata":"https://www.wikidata.org/wiki/Q432016","display_name":"Alkalinity","level":2,"score":0.8272358179092407},{"id":"https://openalex.org/C73593433","wikidata":"https://www.wikidata.org/wiki/Q742637","display_name":"Denitrification","level":3,"score":0.6892412900924683},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.5923969745635986},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.5490803718566895},{"id":"https://openalex.org/C2779870022","wikidata":"https://www.wikidata.org/wiki/Q190901","display_name":"Ammonium","level":2,"score":0.49449822306632996},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4742383360862732},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.43540093302726746},{"id":"https://openalex.org/C190960625","wikidata":"https://www.wikidata.org/wiki/Q1058719","display_name":"Water treatment","level":2,"score":0.4216676354408264},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.39517340064048767},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.39011162519454956},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.35419219732284546},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22508543729782104},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:publications.lib.chalmers.se:202808","doi":null,"is_oa":false,"landing_page_url":"http://studentarbeten.chalmers.se/publication/202808-nitrogen-removal-in-process-water-from-the-gerum-tunnel","pdf_url":null,"source":{"id":"https://openalex.org/S4377196470","display_name":"Chalmers Publication Library (Chalmers University of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I66862912","host_organization_name":"Chalmers University of Technology","host_organization_lineage":["https://openalex.org/I66862912"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text.Thesis.Masters.H"},{"id":"mag:201613619","doi":null,"is_oa":false,"landing_page_url":"https://odr.chalmers.se/bitstream/20.500.12380/202808/1/202808.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.965499997138977}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1490051110","https://openalex.org/W1501676591","https://openalex.org/W1548650423","https://openalex.org/W1966877998","https://openalex.org/W1972845686","https://openalex.org/W1973052344","https://openalex.org/W1987144102","https://openalex.org/W1987909011","https://openalex.org/W1988388392","https://openalex.org/W1989171000","https://openalex.org/W1991511028","https://openalex.org/W1993509859","https://openalex.org/W2011561212","https://openalex.org/W2014916982","https://openalex.org/W2016699846","https://openalex.org/W2017388965","https://openalex.org/W2017629583","https://openalex.org/W2026465799","https://openalex.org/W2028792232","https://openalex.org/W2030031410","https://openalex.org/W2031063243","https://openalex.org/W2035890191","https://openalex.org/W2043544053","https://openalex.org/W2046467916","https://openalex.org/W2048239019","https://openalex.org/W2052367721","https://openalex.org/W2057419645","https://openalex.org/W2057519916","https://openalex.org/W2057671959","https://openalex.org/W2060117785","https://openalex.org/W2077297135","https://openalex.org/W2078480175","https://openalex.org/W2089894319","https://openalex.org/W2092733213","https://openalex.org/W2101230811","https://openalex.org/W2109281034","https://openalex.org/W2110069146","https://openalex.org/W2111792167","https://openalex.org/W2126774757","https://openalex.org/W2137082936","https://openalex.org/W2139661398","https://openalex.org/W2146016173","https://openalex.org/W2148426952","https://openalex.org/W2151496745","https://openalex.org/W2160830727","https://openalex.org/W2165897001","https://openalex.org/W2174649087","https://openalex.org/W2512963576","https://openalex.org/W2803480768"],"related_works":["https://openalex.org/W2648411237","https://openalex.org/W21458003","https://openalex.org/W1964202557","https://openalex.org/W2416727227","https://openalex.org/W2312012957","https://openalex.org/W2970292663","https://openalex.org/W4243150243","https://openalex.org/W2793942368","https://openalex.org/W773186329","https://openalex.org/W4240801737"],"abstract_inverted_index":{"High":[0],"nitrogen":[1,38,298,304,333],"concentrations":[2,210],"in":[3,21,27,40,52,98,134,176,182,230,260,329,358],"process":[4,42,65,96,110,143,161,232,268,327,349],"water":[5,66,97,111,144,191,233,328,350],"from":[6,16,112,145,154,277],"tunnel":[7,51,99,114],"constructions":[8],"have":[9,313],"become":[10],"an":[11],"issue":[12],"due":[13],"to":[14,19,35,85,103,118,214,222,264,270,273,290],"residues":[15],"explosive,":[17],"transported":[18],"recipients":[20],"the":[22,37,41,55,60,64,71,92,113,135,138,189,199,208,216,231,239,251,255,267,278,293,310,344],"construction":[23,100],"area.":[24],"Biological":[25],"treatment":[26,62,94,157],"terms":[28],"of":[29,63,80,95,188,201,254,321,346],"nitrification":[30,104,122,126,140,160,256],"and":[31,89,105,123,128,149,178,192,237,243,258,343,348],"denitrification":[32,130,279],"are":[33],"necessary":[34],"remove":[36],"compounds":[39],"water.":[43],"Skanska":[44],"Sweden":[45],"AB":[46],"is":[47,335],"currently":[48],"constructing":[49],"a":[50,120,155,173,179,283,318],"Tanumshede":[53],"called":[54],"Gerum":[56],"tunnel,":[57],"for":[58,238,317],"which":[59,87,211,301,337],"biological":[61,93],"has":[67,306],"not":[68,167,355],"worked":[69],"during":[70],"project":[72,115],"why":[73],"this":[74,81,359],"study":[75],"was":[76,84,152,162,172,234,288],"initiated.":[77],"The":[78,159,184,227,275],"aim":[79],"master":[82],"thesis":[83],"assess":[86],"factors":[88],"parameters":[90,353],"affect":[91],"with":[101,198,331],"regard":[102],"denitrification.":[106,124],"Lab":[107],"tests":[108,127,257],"on":[109,326,340],"were":[116,132,212,245,354],"performed":[117,133],"achieve":[119],"complete":[121],"Three":[125],"one":[129],"test":[131,141,186,219,249,280,311],"lab":[136,324],"where":[137],"first":[139],"used":[142],"two":[146],"separate":[147],"days":[148],"sludge":[150,193,347],"that":[151,303],"collected":[153],"wastewater":[156],"plant.":[158],"incomplete":[163],"since":[164,351],"nitrate":[165,287],"did":[166,281],"increase":[168,181],"even":[169],"though":[170,309],"there":[171],"slight":[174,180],"decrease":[175],"ammonium":[177,261],"nitrite.":[183],"second":[185],"comprised":[187],"same":[190,294],"materials":[194],"as":[195,296],"Test":[196],"1":[197],"exception":[200],"adding":[202],"sodium":[203],"dihydrogen":[204],"phosphate,":[205],"thereby":[206],"increasing":[207],"phosphate":[209,244],"thought":[213],"limit":[215],"reactions.":[217],"This":[218,248],"also":[220],"failed":[221,269],"show":[223,282],"any":[224],"nitrifying":[225],"activity.":[226],"alkalinity":[228,242],"measured":[229],"very":[235],"low":[236],"third":[240],"test,":[241],"therefore":[246],"increased.":[247],"gave":[250],"best":[252],"results":[253,276],"resulted":[259],"being":[262],"converted":[263],"nitrite,":[265],"however":[266],"transform":[271],"nitrite":[272,291],"nitrate.":[274],"denitrifying":[284],"activity":[285],"when":[286],"transformed":[289],"at":[292],"time":[295],"total":[297],"(TN)":[299],"decreased":[300],"indicates":[302],"gas":[305],"been":[307,314],"formed,":[308],"should":[312,338],"carried":[315],"out":[316],"longer":[319],"period":[320],"time.":[322],"Further":[323],"analysis":[325],"tunnels":[330],"high":[332],"content":[334],"crucial":[336],"focus":[339],"metal":[341],"concentration":[342],"proportions":[345],"those":[352],"thoroughly":[356],"analyzed":[357],"study.":[360]},"counts_by_year":[],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2016-06-24T00:00:00"}
