clarification & separation
PRODUCTS
Engineered equipment for water and wastewater treatment.
Envitech designs, fabricates and supplies the mechanical equipment that sits inside our treatment plants — clarifiers, aerators, presses, screens and dryers, all sized to project hydraulics and discharge criteria.
+10
Equipment lines
+30
Years engineering
+300
Projects deployed
ISO
9001 certified
01
High Rate Plate Settler
Inclined plate clarifier for high-throughput solids–liquid separation.
type Lamella / inclined plate clarifier capacity click for more
02
Aqua-Jet Mechanical Surface Aerator
Floating mechanical surface aerator for activated sludge and lagoon systems
drive 3 – 75 kW direct-drive oxygen click for more
03
Decanter Centrifuge
Continuous high-G decanter for sludge thickening and dewatering
bowl ø 250 – 750 mm g-force click for more
04
Gravity Belt Thickener
Continuous gravity drainage thickener — the low-energy first stage before press dewatering.
belt width 1.0 / 1.5 / 2.0 click for more
05
Belt Filter Press
Continuous-feed dewatering press with gravity, wedge, and high-pressure zones.
belt width 1.0 / 1.5 / 2.0 click for more
06
Screw Press
Slow-running, low-energy screw press — quiet, enclosed, low wash water.
screw ø 200 – 600 mm speed click for more
07
Manual Bar Screen
Coarse manually raked bar screen for inlet protection.
bar spacing 20 – 50 mm channel click for more
08
Automatic Bar Screen
Front-cleaned mechanically raked bar screen for continuous duty.
bar spacing 10 – 25 mm rake click for more
09
Fine Screen
Wedge-wire or perforated drum screen for fine inlet solids removal.
aperture 1 – 6 mm type Drum click for more
10
Sludge Dryer
Low-temperature belt or paddle dryer for cake-to-pellet sludge reduction.
inlet 18 – 25% DS dewatered cake click for more
01
High Rate Plate Settler
Inclined plate clarifier for high-throughput solids–liquid separation.
type Lamella / inclined plate clarifier capacity click for more
02
Aqua-Jet Mechanical Surface Aerator
Floating mechanical surface aerator for activated sludge and lagoon systems
drive 3 – 75 kW direct-drive oxygen click for more
03
Decanter Centrifuge
Continuous high-G decanter for sludge thickening and dewatering
bowl ø 250 – 750 mm
g-force up to 3,500 × g
04
Gravity Belt Thickener
Continuous gravity drainage thickener — the low-energy first stage before press dewatering.
belt width 1.0 / 1.5 / 2.0 click for more
05
Belt Filter Press
Continuous-feed dewatering press with gravity, wedge, and high-pressure zones.
belt width 1.0 / 1.5 / 2.0 click for more
06
Screw Press
Slow-running, low-energy screw press — quiet, enclosed, low wash water.
screw ø 200 – 600 mm speed click for more
07
Manual Bar Screen
Coarse manually raked bar screen for inlet protection.
bar spacing 20 – 50 mm channel click for more
08
Automatic Bar Screen
Front-cleaned mechanically raked bar screen for continuous duty.
bar spacing 10 – 25 mm rake click for more
09
Fine Screen
Wedge-wire or perforated drum screen for fine inlet solids removal.
aperture 1 – 6 mm type Drum click for more
10
Sludge Dryer
Low-temperature belt or paddle dryer for cake-to-pellet sludge reduction.
inlet 18 – 25% DS dewatered cake click for more
BESPOKE ENGINEERING
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Every Envitech project is engineered around influent characterization, hydraulic profile and discharge criteria. Send us your brief and we'll size, quote and build.
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FEATURED
01 — clarification & separation
High Rate Plate Settler01 — clarification & separation
High Rate Plate Settler
01 — clarification & separation
High Rate Plate Settler
01 — PRODUCT DETAIL
Clarification & Separation
High Rate Plate Settler
Inclined plate clarifier for high-throughput solids–liquid separation.
SPECIFICATIONS
type
Lamella / inclined plate clarifier
capacity
50 – 2,000 m³/hr per module
plate angle
55° – 60°
material
SS 304 / SS 316 / FRP
applications
Raw water, process water, wastewater pre-treatment
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
02 — PRODUCT DETAIL
Aeration
Aqua-Jet Mechanical Surface Aerator
Floating mechanical surface aerator for activated sludge and lagoon systems
SPECIFICATIONS
drive
3 – 75 kW direct-drive
oxygen transfer
1.6 – 2.2 kgO₂/kWh (SOTR)
mounting
Float-mounted / bridge-mounted
material
SS 316 impeller, HDPE float
applications
Aerobic basins, equalization, polishing ponds
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria
03 — PRODUCT DETAIL
Sludge Dewatering
Decanter Centrifuge
Continuous high-G decanter for sludge thickening and dewatering.
SPECIFICATIONS
bowl ø
250 – 750 mm
g-forc
up to 3,500 × g
throughput
1 – 60 m³/hr
cake dryness
18 – 28% DS typical
drive
VFD main + back-drive
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
04 — PRODUCT DETAIL
Sludge Dewatering
Gravity Belt Thickener
Continuous gravity drainage thickener — the low-energy first stage before press dewatering.
SPECIFICATIONS
belt width
1.0 / 1.5 / 2.0 / 3.0 m
throughput
20 – 150 m³/hr feed
output
5 – 8% DS thickened sludge
power
0.75 – 2.2 kW
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
05 — PRODUCT DETAIL
Sludge Dewatering
Belt Filter Press
Continuous-feed dewatering press with gravity, wedge, and high-pressure zones.
SPECIFICATIONS
belt width
1.0 / 1.5 / 2.0 m
pressing zones
Gravity → wedge → S-roll high pressure
cake dryness
16 – 22% DS typical
throughput
8 – 40 m³/hr
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
06 — PRODUCT DETAIL
Sludge Dewatering
Screw Press
Slow-running, low-energy screw press — quiet, enclosed, low wash water
SPECIFICATIONS
screw ø
200 – 600 mm
speed
0.3 – 1.5 rpm
throughput
1 – 25 m³/hr
wash water
≈ 0.3 m³/hr — significantly lower than belt press
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
07 — PRODUCT DETAIL
Sludge Dewatering
Manual Bar Screen
Coarse manually raked bar screen for inlet protection
SPECIFICATIONS
bar spacing
20 – 50 mm
channel width
0.4 – 2.0 m
throughput
SS 304 frame, MS hot-dip galv. bars
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
08 — PRODUCT DETAIL
Sludge Dewatering
Automatic Bar Screen
Front-cleaned mechanically raked bar screen for continuous duty.
SPECIFICATIONS
bar spacing
10 – 25 mm
rake travel
Chain or cable, front-cleaned
control
Differential level + timed cycle
material
SS 304 / SS 316
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
09 — PRODUCT DETAIL
Sludge Dewatering
Fine Screen
Wedge-wire or perforated drum screen for fine inlet solids removal.
SPECIFICATIONS
aperture
1 – 6 mm
type
Drum / step / band — sized to flow
capture
≥ 70% TSS > 6 mm
material
SS 304 / SS 316 wedge wire
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.
10 — PRODUCT DETAIL
Sludge Dewatering
Sludge Dryer
Low-temperature belt or paddle dryer for cake-to-pellet sludge reduction.
SPECIFICATIONS
inlet
18 – 25% DS dewatered cake
outlet
85 – 92% DS
heat source
Hot water 75 – 95 °C / waste heat / steam
energy
0.85 – 1.1 kWh / kg H₂O evaporated
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Specifications are typical ranges. Final unit sized to project hydraulics, influent characterization and discharge criteria.