There have been a few articles about NEO-alginate recently, (NEO-alginate = ‘Nereda Opgewekt Alginaat’ = made from Nereda® granular sludge).

See this one in Dutch from STOWA (Dutch association for applied water-management research)

Stowa

Also in Dutch in “De Ingenieur” (Dutch engineering magazine)

deingenieur

News about NEO-alginate