{"refrec":{"BRefID":352118,"RR":"<b>Kubo, A.; Kawarasaki, K.; Hara, H.</b> (2022). Silica removal at sewage treatment plants causes new silica deficiency. <i>NPG Scientific Reports 12(1)</i>: 8141. <a href=\"https://dx.doi.org/10.1038/s41598-022-12272-8\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-022-12272-8</a>","BEntID":349825,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 12(1)</i>: 8141. <a href=\"https://dx.doi.org/10.1038/s41598-022-12272-8\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-022-12272-8</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kubo, A.; Kawarasaki, K.; Hara, H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kubo, A.; Kawarasaki, K.; Hara, H.","Englishabstract":"The dissolved silicate (DSi) concentration in coastal waters has decreased due to anthropogenic activities. Many studies have indicated that dam construction is a main reason for this reduction. However, recently, dam construction alone has not been sufficient to explain the DSi reduction in some coastal waters. In this study, we focused on silica removal at sewage treatment plants (STPs). DSi and particulate silica (PSi) concentrations were measured in STP influent and effluent waters from September 2020 to September 2021. Dissolution experiments on PSi were also conducted to estimate the fraction of soluble PSi in the STP influent. DSi and PSi were removed by 29.5% and 96.9%, respectively, at the STP. In addition, the soluble PSi in the STP influent accounted for 20.3% of the PSi removed. Therefore, in addition to the DSi removal in STPs, removal of soluble PSi can also cause potential DSi depletion in downstream and coastal waters. In addition to the effect of dams, the silica supply delivered to coastal waters may be further reduced in the future due to the progress of sewage treatment development in coastal areas.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Silica removal at sewage treatment plants causes new silica deficiency","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-25 01:32:01.043080","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-05-24","DateCreate":"2022-05-24","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000815482800060","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-022-12272-8"},"refs":null,"anarec":{"AnaID":352118,"PubliDate":2022,"Pagination":"8141","XtraPublOfAnaID":null,"ISBN":null,"Volume":"12","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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