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Effect of Cross-Linking Waste Protein with Diepoxides on its Biodegradation under Anaerobic Conditions

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Abstract

Biodegradability testing was performed in an aqueous environment under anaerobic conditions after inoculation with digested sludge from municipal wastewater treatment plant. In cross-linking with 1,2:3,4-diepoxybutane in limits 0.8–9.1% weight, biodegradability degree decreased from 76.8 to 62.2%; when 1,2:7,8 diepoxyoctane in quantities 1.1–13.2% weight was used, biodegradability degree dropped more prominently – from 72.3 to 22.8%. There is obviously a direct connection between growing cross-link degree (assessed by so-called fixation index) and decreasing readiness to biodegradation, apparently owing to build-up of a network forming an obstacle to access of micro-organisms and enzymes.

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Acknowledgment

This work was accomplished with financial support for research by Research Projects of the Ministry of Youth, Education and Sports of the Czech Republic, No. 7088352101.

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Authors and Affiliations

  1. Department of Environment Protection Engineering, Faculty of Technology, Tomas Bata University in Zlín, nám, TGM 275, 762 72, Zlín, Czech Republic

    Jiří Pšeja, Jan Kupec, Petr Hruzík & Michael Tupý

  2. Department of Food Engineering and Chemistry, Faculty of Technology, Tomas Bata University in Zlín, nám. TGM 275, 762 72, Zlín, Czech Republic

    Josef Hrnčiřík

  3. Faculty of Applied Informatics, Institute of Process Control and Applied Informatics, Nad stráněmi 4511, 76005, Zlín, Czech Republic

    Hana Charvátová

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  1. Jiří Pšeja
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  2. Josef Hrnčiřík
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  3. Jan Kupec
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  4. Hana Charvátová
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  5. Petr Hruzík
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  6. Michael Tupý
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Correspondence to Jan Kupec.

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Pšeja, J., Hrnčiřík, J., Kupec, J. et al. Effect of Cross-Linking Waste Protein with Diepoxides on its Biodegradation under Anaerobic Conditions. J Polym Environ 14, 231–237 (2006). https://doi.org/10.1007/s10924-006-0020-9

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  • DOI: https://doi.org/10.1007/s10924-006-0020-9

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