Engineering guides to water treatment, wastewater, equipment operation and regulations.
How the problems of a municipal supply differ from those of a borehole, what the three levels of treatment are, and which level solves which task.
July 2026 · 9 min→Hotels · WastewaterHotel effluent: kitchen, laundry and pool in one pipeWhy a grease trap is usually not enough, why hotel effluent needs an equalisation tank, and how a DAF flotation unit is sized for it.
July 2026 · 8 min→Hotels · SizingHotel water treatment: morning peak, boiler scale, shower-glass filmWhy a hotel unit is sized on peak flow rather than average, and what to do about stagnant water in the low season.
July 2026 · 7 min→Wastewater · EngineeringLamella clarifiers: settling area in plain wordsWhy a pack of inclined plates replaces a settler many times its size, where it clogs, and what goes before and after it.
July 2026 · 7 min→Engineering · Pretreatment · MembranesMembrane pretreatment: why reverse osmosis dies in six monthsWhat actually kills a membrane element, which stage is to blame, and the signs that pretreatment is no longer keeping up.
July 2026 · 7 min→Wastewater · EngineeringOn-site treatment plants: the units that make up the lineEqualisation, screening, reagents, flotation or settling, polishing and sludge — what each unit does and why you cannot drop a link from this chain.
July 2026 · 8 min→