Lab experiments showed that the Italian chabasite-rich tuff from Sorano (Grosseto) is able to remove Na from low quality irrigation waters, harmful for agriculture, and turn them into high quality waters. The treatment is obtained via a three steps process: water percolation through natural zeolitite bed, regeneration of the exhausted zeolitite with NH4 or with K, and water percolation through the regenerated zeolitite. The quantity of treated water is inversely proportional to the content of Na of the original water. The efficiency of the zeolitite is slightly improved after regeneration. The process was successfully applied to a large-scale in two horticultural farms which Supplied the irrigation waters utilized for the lab tests.

Reduction of the Na content of irrigation waters using chabazite-rich tuff / Passaglia, Elio; S., Poppi; P., Azzolini; Gualtieri, Alessandro. - STAMPA. - 158:(2005), pp. 2097-2104. ((Intervento presentato al convegno N/A tenutosi a N/A nel N/A.

Reduction of the Na content of irrigation waters using chabazite-rich tuff

PASSAGLIA, Elio;GUALTIERI, Alessandro
2005

Abstract

Lab experiments showed that the Italian chabasite-rich tuff from Sorano (Grosseto) is able to remove Na from low quality irrigation waters, harmful for agriculture, and turn them into high quality waters. The treatment is obtained via a three steps process: water percolation through natural zeolitite bed, regeneration of the exhausted zeolitite with NH4 or with K, and water percolation through the regenerated zeolitite. The quantity of treated water is inversely proportional to the content of Na of the original water. The efficiency of the zeolitite is slightly improved after regeneration. The process was successfully applied to a large-scale in two horticultural farms which Supplied the irrigation waters utilized for the lab tests.
N/A
N/A
N/A
158
2097
2104
Passaglia, Elio; S., Poppi; P., Azzolini; Gualtieri, Alessandro
Reduction of the Na content of irrigation waters using chabazite-rich tuff / Passaglia, Elio; S., Poppi; P., Azzolini; Gualtieri, Alessandro. - STAMPA. - 158:(2005), pp. 2097-2104. ((Intervento presentato al convegno N/A tenutosi a N/A nel N/A.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/309614
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