Aydın Kızılkaya, Yağmur Meltem
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Aydın Kızılkaya, Y. M. Y. M. Aydin Kizilkaya Aydin Kizilkaya, Y. M. Aydin Kizilkaya, Yagmur Meltem. Aydın Kızılkaya, Yağmur Meltem. Y. M. Aydın Kızılkaya
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ymeltema@pau.edu.tr
Main Affiliation
10.01. Environmental Engineering
Status
Current Staff
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No research topics data found.
Sustainable Development Goals
1NO POVERTY
0
Research Products
2ZERO HUNGER
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3GOOD HEALTH AND WELL-BEING
0
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4QUALITY EDUCATION
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5GENDER EQUALITY
0
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6CLEAN WATER AND SANITATION
3
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7AFFORDABLE AND CLEAN ENERGY
1
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8DECENT WORK AND ECONOMIC GROWTH
0
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9INDUSTRY, INNOVATION AND INFRASTRUCTURE
1
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10REDUCED INEQUALITIES
0
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11SUSTAINABLE CITIES AND COMMUNITIES
2
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
0
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13CLIMATE ACTION
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14LIFE BELOW WATER
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15LIFE ON LAND
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
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17PARTNERSHIPS FOR THE GOALS
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Documents
6
Citations
261
h-index
5
Documents
5
Citations
216
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Scholarly Output
11
Articles
3
Views / Downloads
662/442
Supervised MSc Theses
0
Supervised PhD Theses
1
WoS Citation Count
6
Scopus Citation Count
9
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0
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0
WoS Citations per Publication
0.55
Scopus Citations per Publication
0.82
Open Access Source
6
Supervised Theses
1
| Journal | Count |
|---|---|
| Fibers and Polymers | 1 |
| Journal Of Chemical Technology And Biotechnology | 1 |
Current Page: 1 / 1
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11 results
Scholarly Output Search Results
Now showing 1 - 10 of 11
Article Citation - WoS: 1Citation - Scopus: 3Adsorptive purification of volatile methyl siloxanes in a digester biogas stream(Wiley, 2021-08-10) Kizilkaya, Yagmur Meltem Aydin; Uyak, VedatBACKGROUND Siloxanes, one of the various impurity contaminants contained in biogas, comprise a group of volatile organic silicon compounds that pose a major obstacle to biogas application as a consequence of their potential to severely damage energy conversion equipment. Therefore, volatile methyl siloxanes (VMSs) need to be effectively removed from biogas before application. RESULTS The concentration profile of octamethlytrisiloxane (L3), octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) in a biogas were determined. Then in order to investigate the adsorption characteristics of these three siloxane compounds, two commercial granular activated carbons (ACs) were tested for the removal of L3, D4 and D5 in a dynamic adsorption column using biogas streams. The observed concentrations of L3, D4 and D5 in the wastewater treatment plant biogas were 0.62 +/- 0.20, 3.07 +/- 0.66 and 4.67 +/- 1.02 mg m(-3), respectively. The best adsorption capacities of L3, D4 and D5 were calculated as 4, 22 and 107 mg g(-1), respectively, in real biogas. CONCLUSION The adsorption capacity of AC2 was found to be higher than AC1 adsorbents for each siloxane compounds studied. Although the elemental and physical structure of the ACs were similar, and AC1's surface area was higher than AC2, AC2 was more effective in siloxane removal due to high mesoporosity causing excess Van der Waals interaction. The relatively higher mesoporous volume and lower rate of mesh size of AC2 resulted in higher adsorption of siloxane compounds. The order of the breaking points was determined as L3 < D4 < D5 in both AC types. (c) 2021 Society of Chemical Industry (SCI).Conference Object Siloxane Concentrations in Digester Gas(2019) Aydın Kızılkaya, Yağmur Meltem; Uyak, VedatConference Object Sustainable Bleaching of Jute Bio-Fiber With Ozone Treatment(2023) Aydın Kızılkaya, Yağmur Meltem; Gedik, GörkemArticle Citation - WoS: 5Citation - Scopus: 6Simultaneous Eco-friendly Bleaching and Retting Wastewater Treatment of Hemp Fiber with Ozone Application(Korean Fiber Soc, 2023-01) Gedik, Gorkem; Kizilkaya, Yagmur Meltem Aydin; Uyak, Vedat; Koluman, AhmetThe main aim of this study was to reduce the biological load in the retting effluents by eliminating the microorganism and at the same time, to bleach hemp fibers in the retting liquor, with ozone treatment. In addition to prevention of the environmental pollution, time, energy, water and chemical consumption decrease were targeted by the ozone bleaching of hemp fiber in the retting liquor. For this purpose, retting liquor was treated with ozone gas in different concentrations (5-25 g/h) and durations (5-90 min) while hemp stems were still in it. The environmental impact was investigated by TOC (Total Organic Carbon), BOD (Biochemical Oxygen Demand) and COD (Chemical Oxygen Demand) measurements. Ozone application resulted in dramatic reductions on BOD and TOC values. Total bacteria count in the untreated retting liquor and ozone-treated samples was determined, up to 100% sanitation effect was achieved by ozone application. Whiteness degrees of the hemp fibers increased up to 72% with ozone application compared with the retted sample. The chemical compositions of the fibers were stated by chemical tests and oxidative damage related to ozone treatment was investigated. The lignin ratio was significantly reduced after ozone application. The results of the chemical tests were supported by FTIR measurements. The mechanical properties such as tenacity and elongation were analyzed with tensile tests. The crystallographic characteristics were investigated with XRD, the crystallinity index was increased with ozone treatment.Conference Object Electrodialysis Desalination of Crude Glycerol(2019) Aydın Kızılkaya, Yağmur Meltem; Uyak, VedatConference Object Tekstil Atıksuyundan Fenton Oksidasyonu ile Renk ve KOİ Giderilmesi(2018) Dindar, Nazlı; Dolan, Büşra; Aydın Kızılkaya, Yağmur Meltem; Uyak, VedatConference Object Research progress of siloxane removal from biogas by membrane separation(2019) Aydın Kızılkaya, Yağmur Meltem; Uyak, VedatConference Object Sulardan Karbon Nanotüp Adsorpsiyonu ile Klorlu Pestisitlerin Giderimi(2018) Gönül Doğu, Hacer Şule; Aydın Kızılkaya, Yağmur Meltem; Uyak, VedatArticle Biyogaz Akımı İçerisindeki Siloksan Bileşiklerinin Adsorpsiyon Yöntemi ile Gideriminin Araştırılması(2021) Aydın Kızılkaya, Yağmur Meltem; Uyak, VedatDoctoral Thesis Biyogaz akımı içerisindeki siloksan bileşiklerinin giderimi(Pamukkale Üniversitesi Fen Bilimleri Enstitüsü, 2021) Aydın Kızılkaya, Yağmur Meltem; Kızılkaya, Yağmur Meltem Aydın; Uyak, VedatBiyogaz, enerji gereksiniminin sağlanması noktasında en etkili teknolojilerden biri olarak görülmektedir. Söz konusu bu gazın, enerji verimliliğinin yüksek olması için içerisinde bulunan CO2, H2S ve siloksan gibi safsızlıkların giderilmesi gerekmektedir. Biyogaz akımı içerisindeki siloksan bileşiklerinin enerji üretimi sırasında motor aksamlarında oluşturduğu hasarlardan dolayı bu bileşiklerin giderilmesi öncelikli hale gelmiştir. Bu çalışmada, Denizli Merkez Atıksu Arıtma Tesisi biyogaz örnekleri ile çalışılarak impinger ve Tedlar torbası örnekleme yöntemleri ile biyogazda bulunan uçucu metil siloksan (UMS) bileşiklerinin konsantrasyonları belirlenmiştir. İki örnekleme yöntemi kıyaslanmış sonuç olarak impinger ile sahada örneklemede daha fazla verim elde edilmiştir. Adsorpsiyon çalışmalarında, granüler aktif karbon (GAC), metal organik kafes yapılar (MOF) ve karbon nanotüp (CNT) adsorbanları ile uçucu metil siloksan (UMS) bileşiklerinin gerçek biyogaz akımındaki adsorpsiyon deneyleri gerçekleştirilmiştir. Her bir adsorban için, kırılma ve tükenme zamanlarına göre adsorpsiyon kapasiteleri ve arıtılmış yatak hacimleri hesaplanmıştır. GAC bileşiklerinden kırılma zamanlarında yüksek adsorpsiyon kapasitelerine L4, L5, D4, D5 ve D6 bileşiklerinde sırasıyla 24 mg/g, 18 mg/g, 22 mg/g, 107 mg/g ve 26 mg/g değerleri ile AC2 adsorbanı ile ulaşılmıştır. MOF bileşiklerinde istenen van der Walls etkileşimi sağlanamamış ve adsorpsiyonda yüksek verim alınamamıştır. CNT adsorbanları arasında en yüksek adsorpsiyon kapasiteleri SWCNT-saf, DWCNT-saf ve DWCNT-OH türleri ile sağlanmıştır. Biyogaz içerisinde en fazla bulunan D5 bileşiğinin adsorpsiyon kapasitesi en fazla SWCNT-saf adsorbanında 45mg/g olarak tespit edilmiştir. Karboksilik grupların siloksan adsorpsiyonunda diğer türlere göre daha başarısız olduğu tespit edilmiştir. Çalışmada, adsorbanların BET spesifik yüzey alanı, toplam gözenek boyutu ve mezogözenekliliği gibi yapısal özellikleri incelenmiştir. Çalışmada, bir adsorbanının yüzey alanının ve mezogözenek dağılımının artırılmasının büyük molekül yapılı UMS bileşiklerinin adsorpsiyonunda ciddi artışlara neden olabileceği ortaya konmuştur.