Enviro Solutions
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EnviroSolutions
Division of LST INDUSTRIES L.L.C.
7439 Hunters Land San Antonio TX 78249
Phone: (210) 696-6300 Fax: (210) 927-3728


Clarifiers

Used Clarifiers Available


How Lamella Clarifiers Work

Courtesy of Parkson Corporation. The feed stream is introduced into the Lamella. Gravity Settler by means of a feed duct to the Lamella Gravity Settler feed box, which is a bottomless channel between plate scions.

In applications where coagulants and/or flocculating aids are used, flash mix and/or flocculation tanks can be supplied; they are mounted adjacent to the feed duct to avoid the possibility of floc breakup. The flow is then directed downward toward the individual, side-entry plate slots.

The feed is distributed across the width of the plates and then flows upward under laminar flow conditions. The solids settle on the plates while the supernatant exits from the plates through orifice holes. These holes are placed immediately above each plate and are sized to induce a calculated pressure drop to ensure that the feed is hydraulically distributed equally among the plates.

The solids, meanwhile, slide down the plates into the sludge hopper. Further thickening of the sludge is achieved in the hopper due to compression in the quiescent zone made possible by feeding the plates from the side rather than from the bottom. In some applications, a low amplitude vibrator pack can enhance thickening performance.

Design Criteria: Total effective settling area is based on projected area of each plate. The plates are proportioned to clarification and thickening area by adjusting the plate feed point. This ratio of clarification to thickening area is determined from laboratory settling tests of representative feed samples or, in cases where samples are not available, from past experience with similar applications. Plate spacing is 2"

The lamella clarifier unit is 18’L by 9’W by 12.5’H (approx. weight is 20,000 lbs)—there are three levels of plates, thus there could be 3 levels of tubes. FOB Utah.

 


Inclined Plate Steel Clarifiers

Enviro Solutions Brand Clarifiers: All ISO Clarifiers Feature:

  • 3/16" Removable PVC Plates
  • 1/4" Carbon steel construction
  • Internal flocculation tank
  • Feed baffle and discharge flumes
  • Internal sludge thickening cone
  • Epoxy paint finish
Model
Size
Flow Rate GPM
Settling Area SqFt
ESI-020-ISO 5'x8'x9'H 20 98
ESI-040-ISO 5'x8'x10'H 40 192
ESI-060-ISO 5'x10'x12'H 60 288
ESI-080-ISO 6'x9'x12'H 80 384
ESI-100-ISO 6'x10'x12'H 100 480
ESI-150-ISO 6'x11'x13'H 150 640
ESI-200-ISO 6'x15'x13'H 200 960
ESI-275-ISO 6'x14'x14'H 275 1344
ESI-350-ISO 9'x14'x17'H 350 1696
ESI-450-ISO 9'x16'x18'H 450 2176

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