Wastewater treatment in constructed wetlands under various operation conditions

Jennifer Sanchez, BA (Hons)

Diplomová práce

Abstract:

Constructed wetlands (CWs) have been studied and have been considered as cost- effective, efficient, and sustainable wastewater treatment systems for decades. CWs use natural processes, such as nitrification and denitrification, to treat water from excessive nutrients and containments. However, their treatment performance varies depending different operation conditions and design of the system. Several studies have investigated the removal of nutrients efficiency, efficiency under different hydraulic loading rates, and the efficiency of different CW designs. Arbuscular mycorrhizal fungi (AMF) have been widely reported to play important roles in terrestrial plant resistance to abiotic stresses (e.g., heavy metals, drought, emerging pollutants, and nutrients). AMF have been known to extend the root networks of the plants which they inoculate. This study and experiment focused on the removal efficiency of CWs under different nutrient ratios, C:N with the assistance of AMF. The results of the experiment concluded that C:N ratios with the assistance of AMF were successful in the removal of ammonium, nitrate, and phosphorus. Although the CWs were inoculated with AMF, the biomass in the CWs did experience some minor stress.

Keywords

constructed wetlands, arbuscular mycorrhizal fungi, C, N ratios

Jazyk práce: angličtina

Datum vytvoření / odevzdání či podání práce: 4. 4. 2023

Obhajoba závěrečné práce

• Obhajoba proběhla 16. 5. 2023
• Vedoucí: doc. Zhongbing Chen
• Oponent: Yingrun Chen

Česká zemědělská univerzita v Praze

Fakulta životního prostředí

Magisterský studijní program:
Landscape Planning