Person: ERKEN, ESRA
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ERKEN
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ESRA
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Publication Metadata only A novel approach in nzvi synthesis: reducing agent hydrazine recovery from deammonification wastewater(2021-09-08) ERKEN, ESRA; KOCAMEMİ, BİLGE; ERKEN E., KOCAMEMİ B., HÜR C.Publication Metadata only Atıksular ve atıksu arıtma çamurları ile Covid-19 takibi: Türkiye örneği, Türk Müşavir Mühendisler ve Mimarlar Birliği(2021-10-01) KOCAMEMİ, BİLGE; ERKEN, ESRA; KOCAMEMİ B., kurt h., ERKEN E., SAATÇI A. M.Publication Metadata only Nanoscale zero valent iron enhanced mainstream anammox application : a long-term evaluation with real sewage(2022-09-11) KOCAMEMİ, BİLGE; ERKEN, ESRA; KOCAMEMİ B., ERKEN E., kurt h.Publication Metadata only Overcoming challenges in mainstream Anammox applications: Utilization of nanoscale zero valent iron (nZVI)(ELSEVIER, 2019) KOCAMEMİ, BİLGE; Erdim, Esra; Ozkan, Zeynep Yucesoy; Kurt, Halil; Kocamemi, Bilge AlpaslanAlthough Anammox process is a proven technology for sidestream nitrogen removal, the process faces challenges for mainstream applications in sewage treatment plants (STPs). The aim of this study was to investigate the effect of zero valent iron nanoparticles (nZVI) on process performance to eliminate confronts for mainstream applications. An SBR (sequencing batch reactor) system was fed with various nZVI concentrations (0.04-5000 ppb) within 310 days of operation. Ammonium (NH4+N) and nitrite (NO2-N) removal rates showed 58% increase in daily measurements and 73% increase in instant measurements. Specific Anammox Activity (SAA) was noticeably higher on the days the system was exposed to nZVI compared to the unexposed days. EPS secretion, which enhances granulation of Anammox bacteria was favored by nZVI. Despite lower sludge retention time (SRT) values, the fraction of Anammox bacteria in total bacteria reached to 91-92% implying a boosting effect of nZVI on growth rate of Anammox bacteria. High Resolution Melting (HRM) analyses showed that four distinct clades were present in the reactor. (C) 2018 Elsevier By. All rights reserved.Publication Metadata only Wastewater-Based Epidemiology (WBE) Studies for Monitoring of Covid-19 Spread(Springer International Publishing, 2022-01-01) KOCAMEMİ, BİLGE; ERKEN, ESRA; KOCAMEMİ B., Kurt H., ERKEN E., SAATÇI A. M.Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) started in Wuhan, China, in December 2019 and was announced as a worldwide pandemic spread by WHO on March 11, 2020. The countries have started to monitor surveillance of SARS-CoV-2 through medical tests. However, people with no or very light symptoms are usually not medically tested or never hospitalized, and their test results missed. In March 2020, it was recognized that the urine and feces of all infected people contain SARS-CoV-2. After that, wastewater-based epidemiology studies have gained significant importance around the world. This chapter aims to describe the basics of wastewater-based epidemiology (WBE) studies, the current situation in the world together with the post-Covid-19 approaches. Additionally, the major challenges in Covid-19 WBE studies are discussed.Publication Metadata only Atıksu bazlı epidemiyoloji çalışmaları ile covid-19 yayılımının incelenmesi(Tarım ve Orman Bakanlığı Türkiye Su Enstitüsü, 2022-02-01) KOCAMEMİ, BİLGE; ERKEN, ESRA; Kocamemi B., Erken E.Bu yayın, atıksu bazlı epidemiyoloji kavramını tanıtmak ve bu kapsamda SUEN koordinasyonunda ülkemiz genelinde yürütülen "Covid-19 yayılımının atıksularda SARS-CoV-2 analizleri ile takibi" çalışmalarının metodolojisi ve çalışmalar kapsamında edinilen bilgi ve tecrübeyi yerli ve yabancı uzmanlarla paylaşmak üzere hazırlanmıştır.Publication Metadata only Nationwide tracking of covid-19 spread by wastewater based epidemiology (WBE)(Ministry of Agriculture and Forestry of Republic of Turkiye -Turkish Water Institute, 2022-02-01) KOCAMEMİ, BİLGE; ERKEN, ESRA; Kocamemi B., Erken E.Publication Metadata only Accelerating biofilm formation in a single stage mainstream deammonification moving bed biofilm reactor (MBBR): The use of nZVI and polymers(2019-10-01) ERKEN, ESRA; KOCAMEMİ, BİLGE; ÇELİK S., YETGİN S., ERKEN E., KOCAMEMİ B.Publication Metadata only Fate of phosphorus in centrate and mainstream mbbr deammonification systems(2020-09-01) KOCAMEMİ, BİLGE; ERKEN, ESRA; KOCAMEMİ B., ERKEN E., ÇELİK S., ŞENOL A. B. , YETGİN S.Publication Metadata only Atıksular ve atıksu çamurları ile covid 19 takibi: Türkiye örneği(2021-01-01) KOCAMEMİ, BİLGE; ERKEN, ESRA; Kocamemi B., Kurt H., Erken E., Saatci A. M.