TY - JOUR T1 - PSF/SiO2 NANOKOMPOZİT MEMBRAN ÜRETİMİ VE ELMA SUYU BERRAKLAŞTIRMA PROSESİNDE KULLANIMI TT - FABRICATION OF PSF/SiO2 NANOCOMPOSITE MEMBRANE AND APPLICATION IN APPLE JUICE CLARIFICATION PROCESS AU - Kahraman, Kevser AU - Severcan, Solmaz Şebnem AU - Uzal, Niğmet PY - 2019 DA - August DO - 10.15237/gida.GD19083 JF - Gıda JO - GIDA PB - Gıda Teknolojisi Derneği WT - DergiPark SN - 1300-3070 SP - 618 EP - 628 VL - 44 IS - 4 LA - tr AB - Bu çalışmada faz dönüşümü yöntemi kullanılarak üretilenPSF/PEI (%20/2, w/w) membranlar, farklı konsantrasyonlarda SiO2nanopartikülü (%0,01; 0.03; 0.05) kullanılarak modifiye edilmiş ve üretilennanokompozit membranların bulanık elma suyunun berraklaştırılmasındaperformansları değerlendirilmiştir. Membran deneyleri sonlu filtrasyon sistemikullanılarak gerçekleştirilmiştir. Üretilen yeni nesil nanokompozit membranlarsaf su akı değerleri, SEM ve yüzey temas açı değerleri açısından karakterizeedilmiştir. Aynı zamanda, üretilen PSF/PEI/SiO2 yeni nesilnanokompozit membrandan elde edilen berrak elma suyu örnekleri renk (Pt-Co),bulanıklık(NTU) ve toplam suda çözünür kuru madde bakımından karakterizeedilmiştir ve Döhler Gıda San. A.Ş.’den temin edilen berrak elma suyu örnekleri(Brix) ile bu parametreler açısından karşılaştırılmıştır. Elde edilen sonuçlaragöre %0,01 oranında SiO2 ilave edilerek üretilen PSF/PEI/SiO2 membranınen yüksek saf su akısına ve en yüksek hidrofilikliğe sahip olduğubelirlenmiştir. Aynı zamanda bu membrandan elde edilen berrak meyve suyu örneğien yüksek renk ve toplam suda çözünür kuru madde sahipken aynı zamanda en düşükbulanıklık değeri ile elma suyu berraklaştırma deneylerinde de en iyiperformansı sergilemiştir. KW - nanokompozit membran KW - SiO2 nanopartikül KW - berraklaştırma KW - elma suyu N2 - In this study,PSF/PEI (20/2% w/w) membranes which were fabricated by using phase inversionmethod were modified with using SiO2 nanoparticles at differentconcentrations (0.01, 0.03, 0.05% w/w) and performance of fabricatednanocomposite membranes were evaluated in clarification of turbid apple juice.Membrane experiments were conducted using dead-end filtration process.Fabricated new generation nanocomposite membranes were characterized in termsof pure water flux, SEM and water contact angle. Moreover, clarified applejuice samples obtained from fabricated PSF/PEI/SiO2 new generationnanocomposite membranes were characterized in terms of color (Pt-Co), turbidity(NTU) and total soluble solid content (Brix) and these samples were compared toclarified apple juice samples suppliedfrom Döhler Inc. in terms of these parameters. 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UR - https://doi.org/10.15237/gida.GD19083 L1 - https://dergipark.org.tr/tr/download/article-file/759691 ER -