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SUSTAINABLE WAY OF RESOURCE WATER REMINERALIZATION : IN-SITU STUDY OF REACTIVITY AND TECHNICAL FEASABILITY OF A SHELL CO-PRODUCT TO REMINERALIZE AGRESSIVE WATERS FROM THE LIMOUSIN REGION


PALLIER VIRGINIE1*, CHAISEMARTIN DAVID1 & LE LU-MAMBRINI MARTINE2
1 UniversitĂ© de Limoges, Laboratoire PEIRENE – EA 7500 - ENSIL-ENSCI, 16 rue Atlantis, 87068 Limoges Cedex
2 Usine de Kervellerin, ZA de Kervellerin, 56620 Cléguer

Issue:

PLUMEE, Number 1, Volume IX

Section:

Issue No.1 - Volume 9 (2019)

Abstract:

In granitic regions, waters are weakly mineralized, with high concentrations in

carbon dioxide, because of insoluble and hardly hydrolysable soils. These acidic waters are

considered as agressive and must be treated by filtration on limestone materials to reach

calco-carbonic equilibrium. Marine and terrestrial limestone materials are usually used but

the company, Usine de Kervellerin, wants to develop a new remineralization opportunity by

using a shell co-product. Semi-industrial scale tests were thus conducted directly on water

treatment plants, in Couzeix and Ambazac. The reactivity and efficiency of the shell coproduct

were comparable to usual materials for contact times between 15 and 20 minutes.

Keywords:

remineralization, groundwater, carbonate, shell co-product, semi-industrial scale pilot, in situ test.

Code [ID]:

PLUMEE201901V09S01A0028 [0004996]

Note:

Full paper:

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