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Die Rottegradbestimmung von Kompost in Dewar-Gefäβen — Eine Kalorimetrische Interpretation

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Abstract

Composting technologies rely on standard methods for quality determination. The maturity of a compost is assayed by self-heating experiments in Dewar-vessels. The resulting maximum temperature is classified on a five-level scale. This study demonstrated systematic errors that might occur when assays are performed in Dewars of different size. The vessels were characterized as heat conduction calorimeters and the processes of biochemical decomposition and heat generation and autothermic effects (temperature) were evaluated quantitatively.

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Authors and Affiliations

  1. Forschungsstelle für Ökosystemforschung und Ökotechnik, Christian-Albrechts-Universität Kiel, Olshausenstraβe 40, D-24098, Kiel, Deutschland

    P. Weppen, U. Gudladt & A. Willert

Authors
  1. P. Weppen
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  2. U. Gudladt
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  3. A. Willert
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Correspondence to P. Weppen.

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Weppen, P., Gudladt, U. & Willert, A. Die Rottegradbestimmung von Kompost in Dewar-Gefäβen — Eine Kalorimetrische Interpretation. Journal of Thermal Analysis and Calorimetry 52, 81–91 (1998). https://doi.org/10.1023/A:1010162207008

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  • DOI: https://doi.org/10.1023/A:1010162207008

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