Assessment of the maturity and biological parameters of compost produced from dairy manure and rice chaff by excitation-emission matrix fluorescence spectroscopy

Bioresource Technology
Wei TianBiao Shen

Abstract

The assessment of maturity and biological parameters is important in the composting process. In this study, excitation-emission matrix (EEM) fluorescence spectroscopy was applied to evaluate the maturity and biological parameters of compost produced from the co-composting of dairy and rice chaff. The results from a Pearson correlation analysis between traditional physico-chemical maturity indices and fluorescence regional integration (FRI) parameters showed that among the FRI parameters, P(V,n)/P(III,n) and P(V,n) were suitable for the assessment of compost maturity. Moreover, the FRI parameters could be used to evaluate biological parameters including the germination index (GI) and ribotype evolution which indicate the bacterial community structure and dynamics. P(IV,n) was the most suitable indicator for revealing the community structure and dynamics during the composting process. Fluorescence spectroscopy combined with the FRI analysis could be used as a sensitive and efficient tool for assessing compost maturity and biological parameters.

References

May 1, 1996·Applied and Environmental Microbiology·T BeffaM Aragno
Oct 17, 2001·Bioresource Technology·A HassenA Boudabous
Dec 5, 2006·Applied and Environmental Microbiology·Mitali DasLaura G Leff
Aug 11, 2007·Chemosphere·María Gómez-BrandónJorge Domínguez

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Citations

Aug 31, 2013·Carbohydrate Polymers·Dekui ShenHuiyan Zhang
Apr 25, 2012·Bioresource Technology·Yong YuanJian He
Feb 17, 2019·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Jing HuangGuangqun Huang

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