CYCLATOR™

Continuous-feed SBR: one basin nitrifies, denitrifies and removes P: no equalisation tank.

UTB's own CYCLATOR technology is an advanced, fully automatic Sequential Batch Reactor (SBR) technology that continuously manages biological oxidation, nitrification, and separation in a single basin.

The CYCLATOR process enables continuous inflow to the basin during the settle/decant cycle, removing the need for multiple basins and equalization tanks. Its patented FeedForward™ cycle distributes raw wastewater mixed with MLSS to the biomass in the react zone using a manifold system. This allows the hydrolyzing carbon content to interact with phosphorous accumulating and denitrifying bacteria, ensuring full biological nutrient removal and superior process efficiency compared to other SBR/Cyclic processes.

Download the CYCLATOR brochure

How it works

The process

A non-hydrostatic baffle wall splits the basin into a select zone and a react zone. The select zone is sized to favour the right organisms and to hydrolyse incoming particulates; the FeedForward™ cycle then pumps that MLSS-mixed influent through to the biomass in the react zone, so hydrolysed carbon arrives exactly when the phosphorus-accumulating and denitrifying bacteria need it. The react zone runs repeated oxic and anoxic cycles, and a floating BIODEC™ decanter draws off clear water at the end of each cycle. Because feed never stops, no equalisation tank and no second basin are required.

Specifications

Full cycle	288 min
Aeration	96 min (4 × 24)
Mixing	72 min (3 × 24)
Settling	60 min
Decantation	60 min
Feed	Continuous throughout
Cycle time on process	> 90%
Configuration	Single or multiple tank, circular or rectangular

Key advantages

Continuous influent
No requirement for equalization and return sludge
Efficient degradation ensures complete BNR
FeedForward™ cycle concept
Low CAPEX / OPEX / footprint
Fully automated technology
Energy savings by cycle control
Biological P removal reduces iron dosing
Sludge regeneration and selectivity give lower SVI
Stratification prevents effluent contamination
Equalisation tanks and multiple basins not required

Aerial view of the Ózd municipal wastewater treatment plant and its CYCLATOR basins in the valley, Hungary

Gallery

Aerial view of CYCLATOR SBR basins at the Ózd wastewater treatment plant, Hungary — CYCLATOR basins from the air

Continuously fed CYCLATOR reactor with its decanter at Vácszentlászló, Hungary — Continuously fed reactor with its decanter

CYCLATOR basins at dusk at the Kiskunhalas wastewater treatment plant, Hungary — Plant at dusk: CYCLATOR basins

Aerial view of the circular CYCLATOR tank at the Bácsalmás wastewater treatment plant, Hungary — Regional works built around CYCLATOR

Where it is applied

Municipal

Towns and regional agglomerations
Septic waste co-treatment

Industrial

Food and beverage effluent
High-load organic streams

Plants delivered

Countries

75,219

m³/day capacity

2006

First plant

Case studies

Written up with commissioning data, influent and effluent.

Stainless-steel reactor tower lit at night at the Kall Ingredients wastewater treatment plant, Tiszapüspöki, Hungary

Flagship projectKall Ingredients (Tisza-TK)Tiszapüspöki, Hungary5,500 m³/dayIndustrialTurnkey anaerobic + CYCLATOR plant treating a 25 t/day COD load: the client named UTB Best EPC Contractor.

Walkway over the treatment basins at the Bonduelle vegetable-processing wastewater treatment plant, Nagykőrös, Hungary

Flagship projectBonduelle Central Europe, NagykőrösNagykőrös, Hungary2,300 m³/dayIndustrialUASB and aerobic treatment at a cannery, 293,854 PE, effluent inside surface-water limits.

Treatment basins and site buildings at the Agrosprint fruit and vegetable processing wastewater plant, Karcag, Hungary

Agrosprint Zrt.Karcag, Hungary2,300 m³/dayIndustrial

Reference plants

The largest 8 of 63 plants delivered with CYCLATOR, 2006–2026.

Plant	Location	Capacity	Year	Process
Debrecen	Debrecen, Hungary	12,000 m³/day	2026	BIODEC S 600 ×2
Szentes	Szentes, Hungary	7,380 m³/day	2014	BIODEC S 400 ×4
Kall Ingredients (Tisza-TK)	Tiszapüspöki, Hungary	5,500 m³/day	2015	BIODEC S 200 ×4
Ózd	Ózd, Hungary	5,400 m³/day	2014	BIODEC S 200 ×8
Kiskunhalas	Kiskunhalas, Hungary	4,290 m³/day	2012	BIODEC S 200 ×6
BYD Auto Hungary Kft.	Szeged, Hungary	3,000 m³/day	2025	BIODEC-C ×2
BYD Auto Hungary Kft.	Szeged, Hungary	3,000 m³/day	2024	BIODEC-C ×2
Tolna	Tolna, Hungary	2,500 m³/day	2013	BIODEC S 200 ×4

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