Understanding the compositional changes of organic matter in torrefied olive mill pomace compost using infrared spectroscopy and chemometrics

Key Points

• Compositional changes of organic matter were observed in torrefied olive mill pomace compost—indicating its potential enhancement in nutrient profiles.
• A notable change in organic matter composition was identified using infrared spectroscopy to analyze the samples effectively over time.
• The study utilized chemometrics to quantify data and interpret the spectral information obtained from the infrared spectroscopy analysis.
• These findings support the idea that torrefaction can improve compost quality, highlighting the need for further exploration in composting practices.