This paper presents results concerning two full-scale productions in F
rance using the CRISTAL process, combining adsorption on PAC and ultra
filtration on membranes. Data for water quality, hydraulic design and
commissioning for L'Apie (28,000 m(3)/d, 7.5 mgd) and Vigneux (55,000
m(3)/d, 15 mgd) plants are given.