Lamella (Inclined-Plate) Primary Settler
1Duty & plates
Results — plates & footprint
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2Module geometry
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Operation envelope
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Quote the settler instruments at factory price
A lamella settler still needs a level transmitter, sludge blanket and an inlet TSS monitor — mappable to our catalogue and supplied at the manufacturer's ex-works price (margin from the export rebate only).
Request a quote for this duty ← Equalization Basin A²/O Biological Nutrient Removal →Sources & parameter basis
| [1] | Lamella / tube-settler practice (Hazen, WEF) — plate angle 50–60°, spacing 25–100 mm, plate projected loading typically 2–8 m/h (higher than conventional because the settling path is short); module height 1.5–3 m. |
How much plate area does a lamella primary settler need?
The required plate area is the projected (inclined) settling area, not the plan area, and the calculator derives it from the design flow so the plate loading stays within the settling limit.
How many plates per module and how many modules are needed?
Plates are counted per module from the module height and plate spacing, and the number of modules follows from the total plate area, so both are sized consistently.
How much floor space does a lamella settler save?
Inclined plates stack the settling area vertically, so the calculator reports the compact plan footprint for the same duty, which is where the space saving comes from.
Is a lamella settler suitable for tropical municipal primary treatment?
Yes - the calculator is set up for tropical municipal primary treatment, where the footprint saving matters most on constrained sites.