Stability is one of the most important properties of compost obtained from the organic fraction of municipal
solid wastes. This property is essential for the application of compost to land to avoid further field
degradation and emissions of odors, among others. In this study, a massive characterization of compost
samples from both home producers and industrial facilities is presented. Results are analyzed in terms of
chemical and respiration characterizations, the latter representing the stability of the compost. Results
are also analyzed in terms of statistical validation. The main conclusion from this work is that home composting,
when properly conducted, can achieve excellent levels of stability, whereas industrial compost
produced in the studied facilities can also present a high stability, although an important dispersion is
found in these composts. The study also highlights the importance of respiration techniques to have a
reliable characterization of compost quality, while the chemical characterization does not provide
enough information to have a complete picture of a compost sample.
Stability is one of the most important properties of compost obtained from the organic fraction of municipalsolid wastes. This property is essential for the application of compost to land to avoid further fielddegradation and emissions of odors, among others. In this study, a massive characterization of compostsamples from both home producers and industrial facilities is presented. Results are analyzed in terms ofchemical and respiration characterizations, the latter representing the stability of the compost. Resultsare also analyzed in terms of statistical validation. The main conclusion from this work is that home composting,when properly conducted, can achieve excellent levels of stability, whereas industrial compostproduced in the studied facilities can also present a high stability, although an important dispersion isfound in these composts. The study also highlights the importance of respiration techniques to have areliable characterization of compost quality, while the chemical characterization does not provideenough information to have a complete picture of a compost sample.
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