Table of Contents 1. Introduction 2. Preparation and modification of fly ash artificial zeolite 3. Production technology of functional ceramsite 4. Preparation and application of montmorillonite loaded nano-iron 5. Application of functional materials in permeable reaction wall 6. Application of functional materials in constructed wetland 7. Application of functional materials in biological aerated filter 8. Safety assessment and resource utilization of new functional materials References ukryj opis