Apparatus for dewatering slag sand

Apparatus for filtering a fluid in a fluid supply conduit

Apparatus for separating oil from water

Apparatus for the dewatering of sludge

Apparatus for the prevention of scaling in desalination apparatu

Apparatus for use in a sewage treatment plant

Biochemical water filter

Buoyant ceiling wiper for stacked tank clarifier

Clarification and solid waste containment system and process

Combined settling and liquid storage tank

Double pass fuel filter assembly

Easily transportable water purification device

Filter cartridge

Filtration device for a waste water treatment system

Filtration device for a waste water treatment system

Label accumulator and caustic separator

Label disposal filter

Laminar flow collar for use in a wastewater management system

Liquid purification system with microfiltration means, disinfect

Liquid purifying device incorporating air pumping means within c