The biological sand filtration system is a simple, cost-effective solution used to improve the quality of winery wastewater for reuse (e.g., for beneficial irrigation). The system can operate entirely off-grid using solar panels and gravity for energy. Microbial communities within the system degrade
Oceans hold the promise of immense resource wealth and great potential for boosting economic growth, employment, and innovation. South Africa is surrounded by vast oceans with immense potential as an untapped resource—the potential to contribute billions of rand to the GDP and offer employment to