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Waste and Biomass Valorization

, Volume 10, Issue 3, pp 661–670 | Cite as

Different Types of Thermochemical Pretreatment and Optimization of Enzymatic Hydrolysis of Groundnut Shell

  • Akansha Madhawan
  • Arzoo Arora
  • Jyoti Das
  • Shivani Sharma
  • Arindam Kuila
  • Vinay SharmaEmail author
Original Paper

Abstract

The present study deals with the comparison of different types of pretreatment (thermo-dilute acid, thermo-dilute alkaline, microwave assisted thermo-dilute acid and microwave assisted thermo-dilute alkaline) of groundnut shell. Based on structural characterization (Fourier transformed infrared spectroscopy, X-ray diffraction, scanning electron microscopy) and reducing sugar yield, microwave assisted thermo-dilute alkaline pretreatment was found to be most suitable pretreatment option. Further enzymatic hydrolysis process of microwave assisted thermo-dilute alkaline pretreated biomass was optimized using statistical technique. Maximum reducing sugar yield (487.5 mg/g dry substrate) was found at substrate concentration 12%, tween 80 concentration 0.12% and incubation time 48 h. The present study showed that higher reducing sugar can be obtained at high substrate concentration from microwave assisted thermo-dilute alkaline pretreated biomass within shorter incubation time.

Keywords

Thermochemical pretreatment Microwave assisted pretreatment Structural characterization Optimization of enzymatic hydrolysis 

Notes

Acknowledgements

Authors are thankful to Prof. Aditya Shastri, Vice Chancellor, Banasthali University for research facilities and infrastructure.

Funding

This work was not supported by any funding authority. It was carried out by our own interest.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they don’t have any conflict of interest in the publication.

Supplementary material

12649_2017_83_MOESM1_ESM.docx (683 kb)
Supplementary material 1 (DOCX 682 KB)

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Akansha Madhawan
    • 1
  • Arzoo Arora
    • 1
  • Jyoti Das
    • 1
  • Shivani Sharma
    • 1
  • Arindam Kuila
    • 1
  • Vinay Sharma
    • 1
    Email author
  1. 1.Department of Bioscience & BiotechnologyBanasthali UniversityBanasthaliIndia

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