Plating shops produce small volumes of highly toxic effluent. Here is how chromium, cyanide and dissolved metals are treated through segregation and chemistry.
A step-by-step look at what it really takes to launch a packaged drinking water unit in India, from water source and land to licences, machinery and market.
Closed chilled water and heating loops look trouble-free, but corrosion and sludge build silently inside. Here is how to treat and monitor them properly.
Nitrate contamination is rising in agricultural and peri-urban areas. Learn where it comes from, why it matters and which treatment technologies remove it.