AMMONIA REMOVAL CHARACTERISTICS OF POROUS CONCRETE WITH ZEOLITE FOR ENHANCING SELFPURIFICATION ABILITY IN RIVER SYSTEM. GEOMATE Journal, [S. l.], v. 8, n. 15, p. 1130–1137, 2021. Disponível em: https://geomatejournal.com/geomate/article/view/1888. Acesso em: 19 apr. 2026.