PSF/SiO2 NANOKOMPOZİT MEMBRAN ÜRETİMİ VE ELMA SUYU BERRAKLAŞTIRMA PROSESİNDE KULLANIMI

Year 2019, , 618 - 628, 01.08.2019

Solmaz Şebnem Severcan Niğmet Uzal , Kevser Kahraman

https://doi.org/10.15237/gida.GD19083

Cited By: 1

Abstract

Bu çalışmada faz dönüşümü yöntemi kullanılarak üretilen
PSF/PEI (%20/2, w/w) membranlar, farklı konsantrasyonlarda SiO₂
nanopartikülü (%0,01; 0.03; 0.05) kullanılarak modifiye edilmiş ve üretilen
nanokompozit membranların bulanık elma suyunun berraklaştırılmasında
performansları değerlendirilmiştir. Membran deneyleri sonlu filtrasyon sistemi
kullanılarak gerçekleştirilmiştir. Üretilen yeni nesil nanokompozit membranlar
saf su akı değerleri, SEM ve yüzey temas açı değerleri açısından karakterize
edilmiştir. Aynı zamanda, üretilen PSF/PEI/SiO₂ yeni nesil
nanokompozit membrandan elde edilen berrak elma suyu örnekleri renk (Pt-Co),
bulanıklık(NTU) ve toplam suda çözünür kuru madde bakımından karakterize
edilmiştir ve Döhler Gıda San. A.Ş.’den temin edilen berrak elma suyu örnekleri
(Brix) ile bu parametreler açısından karşılaştırılmıştır. Elde edilen sonuçlara
göre %0,01 oranında SiO₂ ilave edilerek üretilen PSF/PEI/SiO₂ membranın
en yüksek saf su akısına ve en yüksek hidrofilikliğe sahip olduğu
belirlenmiştir. Aynı zamanda bu membrandan elde edilen berrak meyve suyu örneği
en yüksek renk ve toplam suda çözünür kuru madde sahipken aynı zamanda en düşük
bulanıklık değeri ile elma suyu berraklaştırma deneylerinde de en iyi
performansı sergilemiştir. 

Keywords

nanokompozit membran, SiO2 nanopartikül, berraklaştırma, elma suyu

Supporting Institution

Abdullah Gül Üniversitesi Bilimsel Araştırma Birimi

Project Number

FCD-2017-92

Thanks

Bu çalışma Abdullah Gül Üniversitesi Bilimsel Araştırma Birimi tarafından FCD-2017-92 No’lu proje ile desteklenmiştir. Bu çalışmadaki meyve suyu örneklerinin teminindeki desteğinden ötürü Döhler Gıda San. ve Tic. Ltd. Şti.’ye teşekkür ederiz

FABRICATION OF PSF/SiO2 NANOCOMPOSITE MEMBRANE AND APPLICATION IN APPLE JUICE CLARIFICATION PROCESS

Abstract

In this study,
PSF/PEI (20/2% w/w) membranes which were fabricated by using phase inversion
method were modified with using SiO₂ nanoparticles at different
concentrations (0.01, 0.03, 0.05% w/w) and performance of fabricated
nanocomposite 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 terms
of pure water flux, SEM and water contact angle. Moreover, clarified apple
juice samples obtained from fabricated PSF/PEI/SiO₂ new generation
nanocomposite membranes were characterized in terms of color (Pt-Co), turbidity
(NTU) and total soluble solid content (Brix) and these samples were compared to
clarified apple juice samples  supplied
from Döhler Inc. in terms of these parameters. According to the obtained
results, the membrane produced by adding 0.01% SiO₂ was determined
as the membrane having the highest pure water flux and highest hydrophilicity.
At the same time, this membrane showed the best performance in apple juice
clarification experiments by producing apple juice which had the highest color
and total solid matter content and lowest turbidity value.

Keywords

nanocomposite membrane, SiO2 nanoparticle, clarification, apple juice

Project Number

FCD-2017-92

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