Hydrogen Separation using Co-doped MOF-5/Polyimide Mixed Matrix Membrane for Energy Application

Year 2019, Issue: 15, 1 - 9, 31.03.2019

Hülya Aykaç Özen , Bahtiyar Öztürk

https://doi.org/10.31590/ejosat.456464

Cited By: 1

Abstract

Hydrogen is the most abundant element in
the universe, can be produced by water, stored easily, conversed into thermal,
mechanical and electrical energy so it can be considered as the energy carrier
of the future due to these characteristics . Hydrogen separation using membrane method has the
advantage over other separation methods in that it is less energy intensive and
environmental friendly. In order to membrane
properties become better and increase the performance of gas separation
membranes, mixed matrix membranes (MMMs) have been developed.
MOFs as a new fillers in MMM with high surface area and pore volume enhance the
H₂ gas separation properties.
In this study, MOF-5 and Co-doped MOF-5 particles were synthesized,
characterized and incorporated into polyimide to investigate the effect of
filler on the H₂ gas permeation. Co-doped
MOF-5/PI MMMs with different loading rate (5wt.%, 10wt.%, 15wt.%) were
fabricated. The characterization was performed by different analysis
techniques. The gas analyses results showed that permeability of H₂
gas in mixed matrix membrane including MOF-5 and Co-doped MOF-5 particules,
enhanced with increasing the loading rate (5wt.%, 10wt.%, 15wt.%) at room
temperature and pressure of 500 kPa. Furthermore, metal doped  MOFs/PI is the highest gas permeation properties
compared to pure PI and MOF-5/PI.

Keywords

Hydrogen Energy, Metal Organic Framework

Supporting Institution

Ondokuz Mayıs Universitesi

Project Number

PYO.MUH. 1901.14.003

Thanks

The authors wish to thank the Ondokuz Mayıs Universitesi for its financial support through project PYO.MUH. 1901.14.003.

Enerji Uygulamasında Co katkılı MOF-5/Poliimit Karışık Matriksli Membranlar Kullanarak Hidrojen Ayrımı

Abstract

Evrende bol miktarda
bulunan hidrojen, su tarafından üretilebilir, kolayca depolanabilir, termal,
mekanik ve elektrik enerjisine dönüşebilir, bu özelliklerinden dolayı geleceğin
enerji taşıyıcısı olarak düşünülebilir. Membran metodu kullanılarak
hidrojen ayırma, diğer ayırma yöntemlerine göre daha az enerji yoğunluğu ve
çevre dostu olması gibi olumlu yönlere sahiptir. Gaz ayırma membranlarının
performansının arttırılması ve membran özelliklerinin daha iyi hale gelmesi
için karışık matris membranlar (MMM'ler) geliştirilmiştir. Karışık
matriksli membranlarda dolgu maddesi olarak kullanılabilen, yüksek yüzey alanı ve gözenek hacmine sahip MOF'lar, H₂
gazı ayırma özelliklerini arttırmaktadır. Bu çalışmada, MOF-5 ve Co
katkılı MOF-5 partikülleri sentezlenmiş, karakterize edilmiş ve dolgu
maddesinin H₂ gaz geçirgenliği üzerindeki etkisini araştırmak için
poliimid içine katılmıştır. Farklı yükleme oranlarına
sahip katkılı MOF-5/PI MMM'ler (ağırlıkça % 5, % 10 ve % 15) üretilmiştir ve
karakterizasyonları farklı analiz teknikleriyle gerçekleştirilmiştir. Gaz analiz sonuçları, MOF-5 ve Co katkılı MOF-5 dahil
olmak üzere karışık matriksli membranda H₂ gazının geçirgenliğinin,
oda sıcaklığında ve 500 kPa'lık basınç altında farklı yükleme oranlarında
(ağırlıkça% 5,% 10,% 15) arttığını göstermiştir. Ayrıca, metal katkılı
MOF/PI’in, saf PI ve MOF-5/PI ile karşılaştırıldığında en yüksek gaz
geçirgenlik özelliklerine sahip olduğu görülmüştür.

Keywords

Hidrojen Enerjisi, Karışık Matriksli Membran

Project Number

PYO.MUH. 1901.14.003

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