Agro-Endüstriyel Atık Olan Elma Posalarının Box-Behnken Yanıt Yüzey Metodolojisi ile Alkali Ön İşlem Optimizasyonu

Year 2021, Volume: 36 Issue: 3, 769 - 780, 30.09.2021

Özgecan Madenli Ece Ümmü Deveci

https://doi.org/10.21605/cukurovaumfd.1005786

Cited By: 1

Abstract

Agro-endüstriyel atıklar lignoselülozik yapıya sahip biyokütlelerdir. Biyokütleler ön işlem yöntemleri ile fermente şeker olarak geri kazanılması biyoyakıt üretiminde büyük önem arz etmektedir. Bu çalışmada basınçlı ve basınçsız ortamlarda alkali potasyum hidroksit (KOH) ile elma posası atıklarının ön işlemi yöntemiyle toplam şeker ve indirgenmiş şeker potansiyeli yanıt yüzey metodolojisi olan Box Behnken istatiksel modeli ile incelenmiştir. Optimum çalışma koşulları zaman (30-90 dk), KOH dozu (%1-3) ve katı oranı (%2,5-7,5) olarak incelenmiştir. Alkali potasyum hidroksit ön işleminde basınçlı ortamda reaksiyon süresi 60 dakikada ve %5 katı oranında toplam şeker miktarının 22,36 g/L’ye ulaştığı belirlenmiştir.

Keywords

Alkali ön işlem, Elma posası, Yanıt yüzey metodolojisi, Biyoyakıt potansiyeli

Alkaline Pre-Treatment Optimization of Agro-Industrial Waste Apple Pulp with Box-Behnken Response Surface Methodology

Abstract

Agro-industrial wastes are biomass with lignocellulosic structure. The recovery of biomass as fermented ugar by pre-treatment methods is of great importance in biofuel production. Pre-treatment methods such as physical, chemical, physico-chemical, biological and combined are applied to agro-industrial wastes. In this study, the total sugar and reduced sugar potential in pressurized and non-pressurized environments by pretreatment of alkali potassium hydroxide (KOH) and apple pulp wastes were investigated with the Box Behnken statistical model, which is the response surface methodology. Optimum working conditions were examined as time (30-90 min), KOH dose (1-3%) and solids ratio (2.5-7.5%). In alkali potassium hydroxide pre-treatment, the reaction time in pressurized medium was 60 minutes and the total sugar amount at 5% solid rate reached 22,36 g/L.

Keywords

Alkali pretreatment, Apple pulp, Response surface methodology, Biofuel potential

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