Biofiltration is the filtration of contaminated water using organic material to capture and biologically degrade contaminants. A biofilter comprises inorganic or organic filtering media such as rock, slag, sand, glass beads, peat or wood chips on which a biofilm develops when wastewater flows over
Certain liquids, such as wine, are sensitive to contact with oxygen and may be degraded by oxidation, so winemakers usually take steps to limit or entirely prevent oxygen from contacting the wine. For example, inert gases may be used to displace oxygen. In reductive winemaking processes, oxygen is
This technology offers a next-generation creatine powder formulated with food-grade components that enable instant mixing in water and long-term shelf stability. When added to liquid, the powder disperses rapidly and forms a clear, grit-free solution within seconds, avoiding the sedimentation and
Developed at North-West University by Prof Erica Derbyshire following a major study, the toolkit is a structured, nine-chapter workbook designed to build essential financial skills for small business owners. It covers topics such as financial planning, bookkeeping, taxation, investment decisions