Liquid Solids Separation Equipment

Solid Liquid Separation System Image of Solid Liquid Separation Equipment
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The Flex-O-Star® is a complete PLC and pneumatic controlled chemical batch and dewatering system. The treatment and filtration equipment are pre-piped, pre-wired and mounted on a structural steel skid. A Flex-O-Star® incorporates a two-step filtration process..

STEP 1: Chemical Separation

Utilizes a chemical batch treatment tank with turbine mixer, along with various combinations of automatic pH, ORP and polymer (coagulant, flocculant) feed systems. The chemicals increase the size and weight of the sub-micron particles. These particles are heavier than the liquid and fall "out of solution"; becoming filterable. In most cases, this step only requires pH adjustment in order to precipitate the solids. The Flex-O-Star® does not require a thick oatmeal-size floc or concentrated sludge settling. The solids only need to be bigger than one-micron (about 1/5 the size of a human red blood cell).

STEP 2: Mechanical Separation

Utilizes the Auto-Vac® dewatering filter technology to physically remove the precipitated solid particles from the liquid. The Auto-Vac® is a self-cleaning rotary vacuum drum filter capable of producing one-micron quality [non potable] water and dewatered, dry, [landfill-ready] solids. Prior to filtering the chemically treated water, the Auto-Vac® drum surface is coated with a layer of porous filter aid media [Diatomaceous Earth (DE) or Perlite].

Once this "pre-coat cake" is built, the treated water pumps to a filter pan that the drum rotates in. One-third of the drum is submerged in the pan, and two-thirds are exposed to ambient air. As the drum rotates in the pan, the water is vacuumed through the pre-coat media,and the solids accumulate on the cake surface. When the solids cover the filter media pores, a doctor blade steps in with lathe-like precision; removing the solids and a small amount of filter aid. This self-cleaning process prevents blinding and clogging, while maintaining a clean filter surface.

The solids and filter quality are controlled through independent drum and knife speeds, along with filter pan level sensors.

ALAR designs and builds over sixteen Flex-O-Star® sizes. Contact ALAR to help find a custom-made wastewater system solution.

Ideal For:

The Flex-O-Star® Features:

  • Treatment Tank with Mixer
  • 12 Filter Sizes
  • Auto-Vac® Filter Technology
  • Easy Operation
  • A Variety of Batch Treatment Options
Flex-O-Star Model / Size Chart
Model NumberGal / ShiftShipping Size (L x W x H)Request For Quote
200 200 13' 2" x 4' 10" x 8' 5" Quote
200 Plus 200 14' 9" x 5' 10" x 8' 5" Quote
500 500 20' 8" x 7' 2" x 8' 5" Quote
500 Plus 500 20' 4" x 8' 2" x 8' 5" Quote
1000 1000 20' 8" x 7' 2" x 8' 5" Quote
1000 Plus 1000 21' 0" x 8' 2" x 8' 5" Quote
2000 2000 23' 3" x 8' 4" x 8' 5" Quote
2000 Plus 2000 24' 11" x 8' 4" x 8' 5" Quote

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