Engineering guides to water treatment, wastewater, equipment operation and regulations.
Why the bacterium multiplies in hot water systems, which parts of the network carry the most risk, and what temperature control, thermal disinfection, chemicals and UV actually deliver.
September 2026 · 7 min→Membranes · OperationMembrane biofouling: how to tell it from scale and how to deal with itWhy biofilm is the most stubborn of all reverse osmosis and ultrafiltration foulants, which data reveal it, how a cleaning sequence is built and what prevents the film from coming back.
September 2026 · 6 min→Membranes · Engineering · SizingPFAS in water: what "forever chemicals" are and which methods really remove themWhy fluorinated organic compounds pass through conventional treatment, how the European Union has limited them in drinking water, and how adsorption, ion exchange and membranes differ when compared honestly.
September 2026 · 6 min→Wastewater · Residential · EngineeringHow a deep biological treatment plant works: zones inside the tankWhat happens to wastewater between the inlet and the outlet, why a zone without oxygen is needed, and why ammonium is removed by bacteria, not by a filter.
July 2026 · 7 min→Operation · Residential · WastewaterSeptic tank installation and start-up: pit, anchoring, first winterWhy an empty tank floats out of the ground, where the inlet pipe blocks up, and what to do in the first weeks after you switch it on.
July 2026 · 7 min→Sizing · Residential · WastewaterSeptic tank for 3, 4 or 6 people: sizing by occupants and peak flowWhy the plant is sized by people and litres rather than by floor area, and which of the two numbers usually turns out to be the limiting one.
July 2026 · 7 min→