Valorization of Macroalgae (Microcystis Aeruginosa) and Microalgae (Spirulina Platensis) Species as Catalysts in Hydrogen Production and Comparison of Performances

Year 2022, Volume: 22 Issue: 6, 1451 - 1458, 28.12.2022

Saliha Özarslan , Mustafa Kaya , Mustafa Durgun

https://doi.org/10.35414/akufemubid.1181026

Abstract

In this study, hydrogen production was carried out from NaBH4 by methanolysis using Spirulina platensis microalgae and Microcystis aeruginosa macroalgae species. Microalgae and macroalgae species were treated with various acids and their catalytic performances were compared. After determining the most efficient catalyst type, the effect of different reaction parameters on hydrogen production was investigated. For this, methanolysis experiments were carried out at different NaBH4 concentrations, different catalyst amounts and various experimental temperatures. Today, where the search for renewable and clean energy sources that can replace fossil energy sources is gaining momentum, the evaluation of waste materials with no economic value in this field is very interesting in terms of providing double benefits. In this study, it is seen that such materials can be used successfully in this field. In addition, the catalytic performances of algae species are given comparatively and the results are interpreted.

Keywords

Macroalgae, Microalgae, Hydrogen, Catalyst, Energy

Makroalg (Microcystis aeruginosa) ve Mikroalg (Spirulina platensis) Türlerinin Hidrojen Üretiminde Katalizör Olarak Değerlendirilmesi ve Performanslarının Kıyaslanması

Abstract

Bu çalışmada, Spirulina platensis mikroalg ve Microcystis aeruginosa makroalg türleri kullanılarak NaBH4’den metanoliz yoluyla hidrojen üretimi gerçekleştirilmiştir. Mikroalg ve makroalg türleri, çeşitli asitlerle muamele edilmiş ve katalitik performansları karşılaştırmalı olarak incelenmiştir. En verimli katalizör türünün belirlenmesinin ardından farklı reaksiyon parametrelerinin hidrojen üretimine etkisi araştırılmıştır. Bunun için, farklı NaBH4 konsantrasyonları, farklı katalizör miktarları ve çeşitli deney sıcaklıklarında metanoliz deneyleri yapılmıştır. Fosil enerji kaynaklarının yerini alabilecek, yenilenebilir ve temiz enerji kaynağı arayışının hız kazandığı günümüzde, ekonomik değeri olmayan atık malzemelerin bu alanda değerlendirilmesi iki katı yarar sağlamak yönünden oldukça ilgi çekicidir. Bu çalışmada, bu türden malzemelerin bu alanda başarıyla kullanılabileceği görülmektedir. Ayrıca alg türlerinin katalitik performanslarına karşılaştırmalı olarak yer verilmiş ve sonuçlar yorumlanmıştır.

Keywords

Makroalg, Mikroalg, Hidrojen, Katalizör, Enerji

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