Pyrolysis of Crambe Orientalis Plant in the Presence of Metal Supported MCM-41 Catalyst: The Effect of Catalyst Ratio on Liquid Product Composition

Yıl 2023, Cilt: 28 Sayı: 3, 883 - 897, 29.12.2023

Salih Genel , Halil Durak

https://doi.org/10.53433/yyufbed.1284921

Öz

Pyrolysis is a thermal decomposition event that occurs as a result of heating organic materials in an oxygen-free environment. Biomass is converted into liquid products with high energy value by the catalytic pyrolysis process. Metal supported/unsupported MCM-41 catalysts were used as catalysts. Hydrothermal method was used for catalyst synthesis. For this purpose, in this study, crambe orientalis plant was pyrolyzed at 400 oC in the presence of 5% and 25% by mass MCM-41, MCM-41/Al, MCM-41/Fe catalysts. The highest upper calorific value for 5% and 25% by mass was obtained as 23.87 and 23.95 in the presence of MCM-41 catalyst, respectively. The catalysts were characterized by X-Ray diffraction (XRD), Scanning electron microscopy (SEM) with energy dispersive x-ray analysis (EDX) and energy dispersive spectroscopy (EDS) methods. The liquid products obtained were analyzed by gas chromatography- mass spectrometry (GC-MS), elemental and fouirer transform ınfrared spektrofotometre (FT-IR) analysis methods. According to the results obtained, Crambe orientalis plant has the potential to be used as a biomass source. Catalysts are effective on product composition.

Anahtar Kelimeler

Crambe orientalis, MCM-41, MCM-41/Al, MCM-41/Fe, Pyrolysis.

Proje Numarası

FDK-2020-9219

Crambe Orientalis Bitkisinin Metal Destekli MCM-41 Katalizörü Varlığında Pirolizi: Sıvı Ürün Bileşimine Katalizör Oranının Etkisi

Öz

Piroliz, organik maddelerin oksijensiz ortamda ısıtılması neticesinde meydana gelen ısıl parçalanma olayıdır. Biyokütle katalitik piroliz prosesi ile enerji değeri yüksek sıvı ürünlere dönüştürülmektedir. Katalizör olarak metal destekli/desteksiz MCM-41 katalizörleri kullanılmıştır. Katalizör sentezinde hidrotermal yöntem kullanılmıştır. Bu amaçla bu çalışmada crambe orientalis bitkisi 400 oC sıcaklıkta ve kütlece %5 ve %25'lik MCM-41, MCM-41/Al, MCM-41/Fe katalizörleri varlığında piroliz edilmiştir. Kütlece %5 ve %25 oranları için en yüksek üst ısıl değeri MCM-41 katalizörü varlığında sırasıyla 23.87, 23.95 olarak elde edilmiştir. Katalizörler X-Ray diffraction (XRD), Scanning electron microscopy (sem) with energy dispersive x-ray analysis (EDX) ve energy dispersive spectroscopy (EDS) yöntemleri ile karakterize edilmiştir. Elde edilen sıvı ürünler gas chromatography- mass spectrometry (GC-MS), Elementel ve fouirer transform ınfrared spektrofotometre (FT-IR) analiz yöntemleri ile incelenmiştir. Elde edilen sonuçlara göre Crambe orientalis bitkisi biyokütle kaynağı olarak kullanım potansiyeline sahiptir. Katalizörler ürün bileşimi üzerine etkilidir.

Anahtar Kelimeler

Crambe orientalis, MCM-41, MCM-41/Al, MCM-41/Fe, Piroliz

Destekleyen Kurum

Van Yüzüncü Yıl Üniversitesi

Proje Numarası

FDK-2020-9219

Kaynakça

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