Lignocellulosic Bioethanol Efficiency of Different Sweet Sorghum (Sorghum bicolor var. saccharatum (L.) Mohlenbr.) Genotypes in Şanlıurfa Ecological Conditions

Year 2023, Volume: 13 Issue: 4, 3064 - 3074, 01.12.2023

Ayşegül Efendioğlu Çelik Mine Aksoy Mahmut Dok Kadir Aydın Celal Yücel

https://doi.org/10.21597/jist.1274305

Abstract

The use of products with high biomass yield per unit area as a renewable energy source, which are not consumed primarily for food purposes or can be used for multi-purposes, is of great importance in terms of food safety. For this purpose, sweet sorghum plant, which can grow in salty-alkaline soils, tolerant to drought and short-term floods, and has wide adaptability, has gained importance as a lignocellulosic bioethanol raw material in recent years. The aim of this study is to theoretically determine the lignocellulosic bioethanol yield of 21 different sweet sorghum (Sorghum bicolor var. saccharatum (L.) Mohlenbr.) genotypes grown under second crop conditions in the ecology of Şanlıurfa province, obtained from domestic and foreign sources. In the study, sweet sorghum pulp from plant sap was used as lignocellulosic bioethanol raw material. The cellulose and hemicellulose contents of the pulp were determined and the amount of lignocellulosic bioethanol that could be obtained per decare was calculated by using the bioethanol conversion rates. According to the data obtained, the highest yield was obtained from UNL-Hybrid-3 (805.5 L/da), Theis (766.5 L/da), Smith (698.1 L/da) genotypes. In order to solve problems such as increasing the octane of gasoline, reducing greenhouse gas emissions and gasoline imports, it is recommended that these three genotypes be cultivated and disseminated for lignocellulosic bioethanol production in Şanlıurfa ecological conditions.

Keywords

Renewable energy, Cellulose, Sweet sorghum, Pulp

Supporting Institution

TÜBİTAK

Project Number

114O948

Thanks

We thank TUBITAK for their support.

Şanlıurfa Ekolojik Koşullarında Farklı Tatlı Sorgum (Sorghum bicolor var. saccharatum (L.) Mohlenbr.) Genotiplerinin Lignoselülozik Biyoetanol Verimleri

Abstract

Yenilenebilir enerji kaynağı olarak birim alanda yüksek biyokütle verimine sahip olan, birinci derecede gıda amaçlı olarak tüketilmeyen veya çok amaçlı olarak kullanılabilen ürünlerin kullanımı gıda güvenliği açısından büyük önem arz etmektedir. Bu amaçla, tuzlu-alkali topraklarda yetişebilen, kuraklığa ve kısa süreli su baskınlarına toleranslı, geniş adaptasyon yeteneğine sahip olan tatlı sorgum bitkisi lignoselülozik biyoetanol hammaddesi olarak son yıllarda oldukça önem kazanmıştır. Bu çalışmanın amacı, tohumu yurtiçi ve yurtdışı kaynaklardan temin edilen, Şanlıurfa ili ekolojisinde ikinci ürün koşullarında yetiştirilen 21 farklı tatlı sorgum (Sorghum bicolor var. saccharatum (L.) Mohlenbr.) genotipinin lignoselülozik biyoetanol verimini teorik olarak belirlemektir. Çalışmada lignoselülozik biyoetanol hammaddesi olarak bitki özsuyu alınan tatlı sorgum posaları kullanılmıştır. Posaların selüloz ve hemiselüloz içeriği belirlenmiş ve biyoetanole dönüşüm oranlarından faydalanılarak dekara elde edilebilecek lignoselülozik biyoetanol miktarı hesaplanmıştır. Elde edilen verilere göre en yüksek verim UNL-Hybrid-3 (805.5 L/da), Theis (766.5 L/da), Smith (698.1 L/da) genotiplerinden elde edilmiştir. Benzinin oktanını artırmak, sera gazı emisyonu ve benzin ithalatını azaltmak gibi sorunları çözmek için, Şanlıurfa ekolojik koşullarında bu üç genotipin lignoselülozik biyoetanol üretimi amaçlı olarak yetiştirilmesi ve yaygınlaştırılması önerilmektedir.

Keywords

Yenilenebilir enerji, Selüloz, Tatlı sorgum, Posa

Project Number

114O948

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