Department of Civil & Environmental Engineering;
941 rue Charles Bourseul;
BP 10838;
59508 Douai;
France;
Toulouse University;
Mines Albi;
CNRS;
RAPSODEE Center;
Campus Jarlard;
F-81013 Albi cedex 09;
France;
SOLVAY SA;
DCRT;
rue de Ransbeek 310;
B-1120 Bruxelles;
Germany;
PRAYON SA;
rue J. Wauters;
Engis;
Belgium;
Polluted; sediments; Heavy; metals; Phosphatation; Calcination; and; environmental; behaviour;