Fenni Amadhila
Evaluating the potential of Ulva rigida for carbon capture and the development of bio-bricks
The aim of this study is to evaluate the potential of U. rigida as a sustainable source for carbon capture and its utilisation in the development of eco-friendly bio-bricks contributing to sustainable construction practices and climate change mitigation.
- What is the carbon sequestration capacity of U. rigida under controlled conditions (pH, light intensity, CO2 concentration, nutrient levels and temperature)?
- What are the growth rates and biomass production levels of U. rigida under controlled
conditions (pH, light intensity, CO2 concentration, nutrient levels and temperature)? - How can the biomass of U. rigida be effectively utilised in the production of sustainable bio-
bricks? - How do the mechanical properties (compressive strength, water absorption and freeze-thaw resistance test) of bio-bricks compared to those of traditional bricks?
Veruschka Dumeni
Phytoremediation of Nutrient-Polluted Dam Water in Namibia Using Native and Adaptive Plants: Microcosm Assessment of Concentration-Dependent Nutrient Removal
The overall aim of this study is to rigorously quantify the nutrient removal efficiencies of Vetiveria zizanioides,
Chrysopogon nigritanus, and Cyperus papyrus in controlled microcosm experiments across a gradient of nutrient concentrations, thereby informing the future design and deployment of constructed floating wetlands (CFWs) for eutrophic water remediation in Namibia.
Chrysopogon nigritanus, and Cyperus papyrus in controlled microcosm experiments across a gradient of nutrient concentrations, thereby informing the future design and deployment of constructed floating wetlands (CFWs) for eutrophic water remediation in Namibia.
- What are the the TN and TP removal efficiencies of the three species individually and in combination, under four different nutrient concentrations (0%, 33%, 66%, and 100% sludge retention pond water)?
- How does nutrient concentration effect removal rates and biomass growth?
- What are the optimal and threshold conditions for each species?
- Create four nutrient concentration groups with 3 individual replicates of each key species, 3 replications of all 3 species in combination, and 1 control group
- Float plants on DIY constructed mats/floaters
- Take weekly samples, water quality tests, and heavy metal measurements (if applicable) over the course of 12 weeks
- Conduct data analyses via one-way ANOVA and Tukey's HSD as well as regression analyses
Hilia Hatutale
Evaluating the potential of water hyacinth and Cyaperus papyrus in carbon sequestration and wastewater phytoremediation
This study aims to evaluate and compare the effectiveness of water hyacinth and Cyaperus papyrus in carbon sequestration, wastewater treatment, and heavy metal removal, while also determining optimal conditions for their efficacy and understanding their potential impacts and limitations in diverse environmental settings.
- How much carbon do aquatic plants, water hyacinth and Cyaperus papyrus, absorb out of contaminated water systems?
- How efficient is water hyacinth and Cyaperus papyrus as phytoremediation plants?
- Which aquatic plant between water hyacinth and Cyaperus papyrus can effectively sequester carbon, remove heavy metals and efficiently treat wastewater?
