Engineering guides to water treatment, wastewater, equipment operation and regulations.
How manganese differs from iron, why aeration and a standard filter are not enough, and which units make up a manganese removal scheme.
September 2026 · 7 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→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→Wastewater · Residential · SizingWhere treated water goes: gravity, pumped discharge, soil polishingLevels and soil decide the receiving point, not the size of the plant — and it has to be settled before you buy, not after the tank is in the ground.
July 2026 · 7 min→Pretreatment · SizingAeration and iron removal: column versus pipeWhy dissolved iron passes straight through a filter, what aeration does, and how a pressure column differs from an aeration pipe.
July 2026 · 7 min→Sizing · ResidentialBorehole water in a private house: from analysis to treatment trainWhat is usually found in borehole water, why the stages sit in exactly this order and how to calculate the peak flow of a house before buying equipment.
July 2026 · 8 min→