KMnO4 Eklenen Nişasta Partikülleri ile Gliserolün Buz Çözücü olarak birlikte kullanımı

Yıl 2019, Sayı: 17, 190 - 197, 31.12.2019

Deniz Emre Yunus Emre Şimşek , Levent Değirmenci

https://doi.org/10.31590/ejosat.603435

Öz

Nişasta ile modifiye edilmiş KMnO₄
(MS partikülü) ile gliserin çözeltisinden oluşan biyobozunur bir buz
çözücü sistemi sunulan çalışma ile önerilmiş ve test edilmiştir. Deneyler
değişen KMnO₄ (10, 15, 25%), MS partikül, gliserin % (20, 40, 60) ve
çözücü miktarları (3, 6, 12 ml) ile gerçekleştirilmiştir. Çalışmanın temel
hedefi gliserin ve KMnO₄ arasında ufak çaplı ekzotermik bir reaksiyonu
tetiklemek ve reaksiyon sonucu açığa çıkan ısı ile buzun erimesini
hızlandırmaktadır.  Denemeler iki gruba ayrılmıştır.
İlk olarak en yüksek sıcaklık artışını sağlayan en iyi koşullar istatistiksel
olarak belirlenmiş ve buradan elde edilen sonuçların değerlendirilmesi ile buz
çözme denemeleri gerçekleştirilmiştir. İstatistiksel analizler KMnO₄
ve MS partikül miktarlarının erime zamanının azaltılmasında birinci derecede
rol aldığını göstermiştir. MS partikülleri ile gerçekleştirilen buz çözme
denemelerinde kontrol sistemlerine göre erime zamanında azalmalar görülmüştür.
Bu sonuç geleneksel gliserin bazlı buz çözücülere göre önerilen sistemin
üstünlüğünü göstermektedir. MS partiküllerinin tekrarlı kullanımlarında erime
zamanının kademeleri olarak azalması çalışmanın en önemli sonucudur. Partiküllerin
tekrarlı kullanımlarında artan bir performans sağlanması kayda değerdir.
Sonuçlar aynı zamanda partiküllerin ekonomik olarak üretilebileceklerini
göstermesi açısında da önem taşımaktadır. 

Anahtar Kelimeler

Nişasta, KMnO4, Buz çözücü, gliserin

Combined Utilization of KMnO4 Containing Starch Particles with Glycerol as De-Icer

Öz

An alternative de-icer system consisted of
biodegradable starch-modified KMnO₄ (MS)_, and glycerol
solution was proposed and tested with the present study. Experiments were
performed with varying KMnO₄ (10, 15, 25%), MS particle (0.06, 0.12,
0.24 g), glycerol % (20, 40, 60) and solution amounts (3, 6, 12 ml). The main
idea was to induce a miniscule exothermic reaction between glycerol and KMnO₄
to enhance the melting of ice via heat release. The experiments were divided
into two groups. Initially, the best conditions to yield the highest
temperature increase was statistically determined, and de-icing experiments
were conducted based on the interpretation of these results. Statistical
analyses showed that the amount of KMnO₄ and MS had merely been
responsible for maintaining an effective decrease in melting time. De-icing
experiments conducted in the presence of MS particles indicated a decrease in
melting time compared to control systems. This result indicated superior
performace of the proposed system over traditional glycerol based de-icers. The
higher decrease in melting time was observed in the presence of spent MS
particles indicating their repetitive use and economically sound production.

Anahtar Kelimeler

Starch, KMnO4, de-icer, glycerol

Kaynakça

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