Eighteen design sheets: pipework and pumps, four routes to solids separation, media and carbon filtration, ion exchange, the whole membrane range from microfiltration to reverse osmosis, continuous electrodeionisation, UV disinfection, heat transfer and chemical reaction tanks. Each sheet gives the governing equations, the design envelope industry practice actually accepts, and a calculator that recomputes as you type — so you can size a train in the browser before you open a spreadsheet.
The full method, the equations and the calculators stay open. If a sheet saved you an hour, the most useful thing you can do is share it with the engineer who needs it next.
Share this pageEvery sheet on this page as a linked Excel workbook — unlocked formulas, unit-consistent, with water properties computed from your temperature rather than assumed. Includes a summary tab, an equipment list and a revision-controlled calculation record for design submissions.
Anything at all — something on this site, the workbook, a project, water treatment in general, or getting into the field. Pick a subject, write the question, and it reaches me directly.