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Biyodizel Yan Ürünü Olan Gliserolden Üretilen Katalizör ile Yakıt Katkı Maddesi Bütil Levulinat Sentezi

Yıl 2019, Cilt: 8 Sayı: 1, 214 - 226, 12.03.2019
https://doi.org/10.17798/bitlisfen.453633

Öz

Biyodizelin yan ürünü olarak gliserol üretiminin
fazlalığı gliserolün değerlendirilmesi için araştırmacıları yeni ürün
arayışlarına itmiştir. Bu çalışmada biyo-türevli gliserol, tek bir adımda karbonizasyon
ve sülfonasyon yoluyla heterojen katı asit katalizör sentezi için bir karbon başlatıcısı
olarak kullanılmıştır. Üretilen katalizör, 
yakıt biyokatkı maddesi bütil levulinat sentezlemek üzere levulinik asit
ile bütanolün esterleşme reaksiyonunu katalizlemek için kullanılmıştır. Katalizör
karakterizasyonu; FTIR, TGA ve XRD cihazları kullanılarak yapılmıştır.
Katalizörün katalitik aktivitesini belirlemek için  deneyler farklı reaksiyon sıcaklıklarında,
farklı molar besleme oranlarında ve farklı katalizör yükleme oranlarında
kesikli reaktörde gerçekleştirilmiştir. En yüksek dönüşüm değeri 70oC’de,
molar besleme oranı (alkol/asit) 9:1 kullanılarak ve %7 katalizör yükleme
oranında altı saatin sonunda %96.25 olarak elde edilmiştir. Katalizör esterleşme
reaksiyonunun polar ortamından zarar görmemektedir.  Bu nedenle, katalitik aktivitesini
kaybetmeden sekiz kez tekrar kullanılmıştır.

Kaynakça

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Toplam 33 adet kaynakça vardır.

Ayrıntılar

Birincil Dil Türkçe
Bölüm Araştırma Makalesi
Yazarlar

Derya Ünlü

Yayımlanma Tarihi 12 Mart 2019
Gönderilme Tarihi 14 Ağustos 2018
Kabul Tarihi 31 Ekim 2018
Yayımlandığı Sayı Yıl 2019 Cilt: 8 Sayı: 1

Kaynak Göster

IEEE D. Ünlü, “Biyodizel Yan Ürünü Olan Gliserolden Üretilen Katalizör ile Yakıt Katkı Maddesi Bütil Levulinat Sentezi”, Bitlis Eren Üniversitesi Fen Bilimleri Dergisi, c. 8, sy. 1, ss. 214–226, 2019, doi: 10.17798/bitlisfen.453633.



Bitlis Eren Üniversitesi
Fen Bilimleri Dergisi Editörlüğü

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E-posta: fbe@beu.edu.tr