Every diesel truck owner eventually hears about the DPF — the diesel particulate filter that catches soot before it can escape out the tailpipe in order to burn it off once the exhaust is hot enough.

Diesel engines are powerful workhorses, but they come with a downside: soot and particulate matter in their exhaust. That’s where the diesel particulate filter (DPF) comes in. This device traps ...

Sand filters are commonly applied in drinking water treatment and can efficiently remove suspended solids, organic matter, and microorganisms from source water. During the process, particulate matter ...