Evaluation of Decarbonization Methods on Ships

Öz

Reducing CO2 emissions from ships is regulated by the IMO due to global warming. The regulations aim to reduce carbon emissions gradually. This paper highlights the most recent developments for reducing carbon emissions from ships in compliance with the applicable regulations. Basically, three different techniques are used to reduce carbon emissions. These are the use of clean alternative fuels that do not contain carbon atoms, such as hydrogen and ammonia; the other is the use of ship propulsion systems that can be propelled by electricity; and finally, the use of carbon capture systems. As a result of the study, the potential, advantages, and disadvantages of the techniques used are mentioned. As a result of the study, it was found that carbon capture systems reduce carbon emissions by up to 90%. One of the findings is that CO2 emissions can be significantly reduced with appropriate storage practices.

Anahtar Kelimeler

• CO2 reduction techniques
• Sustainability
• Alternative marine fuels
• Marine diesel engines
• Carbon capture

Gemilerde Karbonsuzlaştırma Tekniklerinin Değerlendirilmesi

Öz

Gemilerden kaynaklanan CO2 emisyonlarının, küresel ısınma nedeniyle IMO tarafından getirilen düzenlemeler ile azaltması amaçlanmaktadır. Bu düzenlemeler, karbon salınımını kademeli olarak azaltmayı hedeflemektedir. Bu çalışma, getirilen düzenlemelere uygun olarak gemilerden kaynaklanan karbon emisyonlarının azaltılmasına yönelik en son gelişmeleri ortaya koymaktadır. Karbon salınımını azaltmak için temel olarak üç farklı teknik kullanılmaktadır. Bunlar hidrojen ve amonyak gibi karbon atomu içermeyen temiz alternatif yakıtların kullanılması, diğeri ise elektrikli gemi sevk sistemlerinin kullanılması ve son olarak karbon yakalama sistemlerinin kullanılmasıdır. Çalışma içerisinde kullanılan tekniklerin potansiyelleri, avantaj ve dezavantajlarından bahsedilmiştir. Çalışma sonucunda karbon yakalama sistemlerinin karbon salınımını %90 seviyelerine kadar azalttığı görülmüştür. Uygun depolama uygulamaları ile CO2 emisyonlarının önemli ölçüde azaltılabileceği ortaya konulmuştur.

Anahtar Kelimeler

• CO2 azaltma teknikleri
• Sürdürülebilirlik
• Alternatif deniz yakıtları
• Gemi dizel motorları
• Karbon yakala

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