Synthesis of 5‐Hydroxymethylfurfural from Waste Biomass Feedstocks Using Carbon Solid Acid Catalyst

Abstract

In this study biomass derived carbon solid acid catalyst (BH250S) was obtained by hydrothermal carbonization method from wheat straw, 5-HMF synthesis activity of the catalyst from waste biomass sources in optimum conditions was determined and compared with commercial catalyst (Amberlyst-15). Characterization of the catalyst was completed by elemental analysis, BET, SEM and XRD analysis. Corn straw, fluff and linter were used as waste biomass, microcrystalline cellulose was used as a model compound and conversion efficiency to 5-HMF was found to be higher than that of commercial catalyst for BH250S for corn straw, fluff and microcrystalline cellulose. The highest amount of 5-HMF per gram biomass was obtained from the conversion of model compound microcrystalline cellulose with BH250S catalyst was 14.2 mg while the value obtained from economically non-useful waste fluff was 12.5 mg. As a result of this study, waste lignocellulosic/cellulosic biomass materials with low economic value were evaluated and 5-HMF was obtained by a eco-friendly, sustainable and cheap catalytic method.

Keywords

• Biomass,Carbon solid acid catalyst,5-Hydroxymethylfurfural

Karbon Katı Asit Katalizör ile Atık Biyokütle Kaynaklarından 5-Hidroksimetilfurfural Eldesi

Abstract

Bu çalışmada, buğday samanı biyokütlesinden hidrotermal karbonizasyon yöntemi ile biyokütle türevli karbon katı asit katalizör (BH250S) elde edilmiş, katalizörün atık biyokütle kaynaklarından 5-Hidroksimetilfurfural (5-HMF) sentezi aktivitesi belirlenen optiumum koşullarda sulu reaksiyon ortamında ticari katalizör (Amberlyst-15) ile kıyaslanmıştır. Katalizörün karakterizasyon çalışması elemental analiz, BET, SEM ve XRD analizleri yapılarak tamamlanmıştır. Atık biyokütle olarak mısır samanı, hav, linter, model bileşik olarak ise mikrokristalin selüloz kullanılmış, 5-HMF’ye dönüşüm verimleri kıyaslandığında mısır samanı, hav ve mikrokristalin selüloz için BH250S katalizörünün aktivitesinin ticari katalizörden daha yüksek olduğu gözlenmiştir. Gram biyokütle başına en yüksek 5-HMF miktarı 14,2 mg olarak BH250S katalizörü ile model bileşik mikrokristalin selülozun dönüşümünden elde edilirken, ekonomik değeri olmayan atık biyokütle havdan elde edilen değer 12,5 mg’ dır. Çalışma sonucunda ekonomik değeri düşük atık lignoselülozik/selülozik biyokütle materyalleri değerlendirilmiş, çevreye dost, sürdürülebilir ve ucuz katalitik yolla 5-HMF eldesi sağlanmıştır.

Keywords

• Biyokütle,Karbon katı asit katalizör,5-Hidroksimetilfurfural

References

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