Risk of Leaching in Soils Amended by Compost and digestate from Municipal Solid Waste

García Albacete, Marta and Tarquis Alfonso, Ana Maria and Cartagena Causape, Maria Carmen (2014). Risk of Leaching in Soils Amended by Compost and digestate from Municipal Solid Waste. "Scientific World Journal", v. 2014 (n. ID 565); pp. 1-8. ISSN 1537-744X. https://doi.org/10.1155/2014/565174.

Description

Title: Risk of Leaching in Soils Amended by Compost and digestate from Municipal Solid Waste
Author/s:
  • García Albacete, Marta
  • Tarquis Alfonso, Ana Maria
  • Cartagena Causape, Maria Carmen
Item Type: Article
Título de Revista/Publicación: Scientific World Journal
Date: June 2014
ISSN: 1537-744X
Volume: 2014
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Química y Tecnología de Alimentos
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

New European directives have proposed the direct application of compost and digestate produced from municipal solid wastes as organic matter sources in agricultural soils. Therefore information about phosphorus leaching from these residues when they are applied to the soil is increasingly mportant. Leaching experiments were conducted to determine the P mobility in compost and digestate mixtures, supplying equivalent amounts to 100 kg P ha?1 to three different types of soils. The tests were performed in accordance with CEN/TS 14405:2004 analyzing the maximum dissolved reactive P and the kinetic rate in the leachate. P biowaste fractionation indicated that digestate has a higher level of available P than compost has. In contrast, P losses in leaching experiments with soil-compost mixtureswere higher than in soil-digestate mixtures. For bothwastes, therewas no correlation between disolved reactive P lost and the water soluble P.The interaction between soil and waste, the long experimentation time, and the volume of leachate obtained caused the waste?s wettability to become an influential parameter in P leaching behavior. The overall conclusion is that kinetic data analysis provides valuable information concerning the sorption mechanism that can be used for predicting the large-scale behavior of soil systems.

More information

Item ID: 36073
DC Identifier: http://oa.upm.es/36073/
OAI Identifier: oai:oa.upm.es:36073
DOI: 10.1155/2014/565174
Official URL: http://www.hindawi.com/journals/tswj/2014/565174/
Deposited by: Memoria Investigacion
Deposited on: 01 Jul 2015 15:39
Last Modified: 01 Jul 2015 15:39
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