Journals / Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi / 2019 / Cilt: 22 - Sayı: 4

OPTIMIZATION OF SOLUBLE SUGAR PRODUCTION OF CORN COB BY SULFURIC ACID, HYDROGEN PEROXIDE AND ULTRASES DALGA PRETREATMENT

MISIR KOÇANINDA SÜLFÜRİK ASİT, HİDROJEN PEROKSİT VE ULTRASOUND ÖN İŞLEMLERİ İLE ÇÖZÜNMÜŞ ŞEKER ÜRETİMİNİN OPTİMİZASYONU

Pages
183–198
Publication Date
2019-12-30
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

As a result of this study, the lignocellulosic structure was converted to soluble structure.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the effect of physicochemical (H2SO4, H2SO4 + US, H2O2, H2O2+ US) pretreatments on increasing the biofuel potential of corn cobs obtained from Niğde and surrounding provinces was determined.
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Key Findings & Data:According to model results; 13.13 g/L maximum TS was achieved 3%acid concentration, 100 ° C and 180 min; maximum RS concentration of 7.7 g/L was achieved at 5 %acid concentration, 100°C and 180 min for H2SO4 pretreatment. 10.72 g /L maximum TS was achieved 3%acid concentration, 100 kJ/kg DM US dose and 30 min conditions; maximum RC concentration 3,16 g/L was obtained that an acid concentration of 4.24%, a US dose of 100 kJ/kg DM, and 27.7 minutes for H2O2-US pretreatment. 1.70 g/L maximum TS was reach that 0.15%H2O2, 0.38 mesh and 1.98%solids conditions; 1.24 g/L maximum was achieved under conditions of 0.10%H2O2, 0.61 mesh and 2%solids for H2O2pre-treatment. 5.70 g/L maximum TS was obtained under condition 1%H2O2, 60 kJ/kg DM US dose and 5 min, 1.11 g/L maximum RC was obtained under 0.1%H2O2, US dose of 20 kJ/kg DM and 17.5 minutes for H2O2-US pretreatment.
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Conclusion & Impact:As a result of this study, the lignocellulosic structure was converted to soluble structure.
🔬Design:Modeling & Simulation
📍Scope:Comprehensive Sample
⚙️Variables:Biyoyakıt Potansiyeli · Mısır Koçanı · İndirgen Şeker

Abstract

In this study, the effect of physicochemical (H2SO4, H2SO4 + US, H2O2, H2O2+ US) pretreatments on increasing the biofuel potential of corn cobs obtained from Niğde and surrounding provinces was determined. The statistical method RSM (Response Surface Methods) Box-Behnken design was used to determine the optimization of the applied pretreatments. The responses used in the design are Total Sugar (TS) and Reducing Sugar (RS) concentration. According to model results; 13.13 g/L maximum TS was achieved 3%acid concentration, 100 ° C and 180 min; maximum RS concentration of 7.7 g/L was achieved at 5 %acid concentration, 100°C and 180 min for H2SO4 pretreatment. 10.72 g /L maximum TS was achieved 3%acid concentration, 100 kJ/kg DM US dose and 30 min conditions; maximum RC concentration 3,16 g/L was obtained that an acid concentration of 4.24%, a US dose of 100 kJ/kg DM, and 27.7 minutes for H2O2-US pretreatment. 1.70 g/L maximum TS was reach that 0.15%H2O2, 0.38 mesh and 1.98%solids conditions; 1.24 g/L maximum was achieved under conditions of 0.10%H2O2, 0.61 mesh and 2%solids for H2O2pre-treatment. 5.70 g/L maximum TS was obtained under condition 1%H2O2, 60 kJ/kg DM US dose and 5 min, 1.11 g/L maximum RC was obtained under 0.1%H2O2, US dose of 20 kJ/kg DM and 17.5 minutes for H2O2-US pretreatment. As a result of this study, the lignocellulosic structure was converted to soluble structure.

Özet

Bu çalışmada, Niğde ve çevre illerden temin edilen mısır koçanlarında, biyoyakıt potansiyelinin arttırılmasında fizikokimyasal (H2O2, H2O2+US, H2O2, H2O2+US) önişlemlerin etkisi belirlenmiştir. Uygulanan önişlemlerin optimizasyonu için istatistiki metot RSM (Response Surface Methods) Box-Behnken tasarımı kullanılmıştır. Tasarımda beklenen yanıtlar Toplam Şeker (TŞ) ve İndirgen Şeker (İŞ) konsantrasyonudur. Model sonuçlarına göre; H2SO4 önişlemi için 13,13 g/L maksimum TŞ, % 3 asit konsantrasyonu, 100 °C ve 180 dakika koşullarında;. 7,7 g/L maksimum İŞ ise % 5 asit konsantrasyonu, 100 °C ve 180 dakikada elde edilmiştir. H2SO4-US önişlemi için 10,72 g/L g/L maksimum TŞ, % 3 asit konsantrasyonu, 100 kJ/kgDM US dozu ve 30 dakika koşullarında; 3,16 g/L’ye maksimum İŞ ise % 4,24 asit konsantrasyonu, 100 kJ/kgDM US dozu ve 27,7 dakikada elde edilmiştir. H2O2 önişleminde 1,70 g/L maksimum TŞ % 0,15 H2O2, 0,38 mesh ve % 1,98 katı oranı koşullarında; 1,24 g/L’ye maksimum İŞ % 0,10 H2O2, 0,61 mesh ve % 2 katı oranı koşullarında elde edilmiştir. H2O2-US önişlemi için 5,70 g/L maksimum TŞ % 1 H2O2, 60 kJ/kgDM US dozu ve 5 dakika koşullarında; 1,11 g/L maksimum İŞ % 0,1 H2O2, 20 kJ/kgDM US dozu ve 17,5 dakika koşullarında elde edilmiştir. Çalışma sonucunda, lignoselülozik yapı çözünebilir yapıya dönüştürülmüştür.

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Cite This Article

DEVECİ, E. Ü., GÖNEN, Ç., ÇETİN, G. (2019). OPTIMIZATION OF SOLUBLE SUGAR PRODUCTION OF CORN COB BY SULFURIC ACID, HYDROGEN PEROXIDE AND ULTRASES DALGA PRETREATMENT. Kahramanmaraş Sütçü İmam Üniversitesi Mühendislik Bilimleri Dergisi, Cilt: 22 - Sayı: 4, 183–198. https://ajindex.com/articles/876515

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