Reversing flow coalescing system

Rheology modification of settled solids in mineral processing

Ring channel aeration apparatus and method

Rinse water recycling method for semiconductor wafer processing

Rinsing device and method of rinsing artificial kidneys therewit

Rise-rate control of pulsed-bed granular medium filters

RO membrane cleaning method

Rocks and aggregate, and methods of making and using the same

Roller/squeezer deliquifier

Rotary disc filtration device

Rotary disc filtration device with means to reduce axial forces

Rotary disc filtration process having means to prevent settlemen

Rotary disk filter with backwash

Rotary distribution pipe assembly

Rotary distributor/auxiliary backup drive mechanism for tricklin

Rotary drum filter

Rotary drum filter

Rotary drum vacuum filter for easily eroded cakes

Rotary filtration device with flow-through inner member

Rotary reverse osmosis apparatus and method