We treat water properly

NEREDA®

AEROBIC GRANULAR BIOMASS

THE NEXT GENERATION IN SEWAGE TREATMENT

SIGNIFICANTLY SMALLER FOOTPRINT THAN CONVENTIONAL PLANTS

REDUCED ENERGY INPUT (25 - 35%)

Brisbane

Head Office & Factory

119 Toongarra Road

Ipswich Q 4305 AUS

P: +61 (0) 7 3813 7100

F: +61 (0) 7 3813 7199

Adelaide

Office

356 Shepherds Hill Road

Blackwood SA 5041 AUS

P: +61 (0) 8 7002 6900

F: +61 (0) 8 7002 6999

Sydney

Office & Factory

8 Charles Street

St Marys NSW 2760 AUS

P: +61 (0) 2 8603 5200

F: +61 (0) 2 8603 5299

Melbourne

Office & Factory

6/64 Oakover Road

Preston VIC 3072 AUS

P: +61 (0) 3 9480 8000

F: +61 (0) 3 9480 8099

EMAIL: enquiries@aquatecmaxcon.com.au WEBSITE: www.aquatecmaxcon.com.au

PRODUCTS & SERVICES

Aquatec-Maxcon in partnership with DHV can deliver technical

advice and the process know how to meet your specific project

needs.

Aquatec-Maxcon has over 40 years’ experience in treating water

and waste water for both municipal and industrial applications. A

leader of the water industry, Aquatec-Maxcon has introduced a

range of innovative process technologies to Australia including the

first UASB, IC Reactor, Membrane Bioreactor and Circox Reactor.

We have a successful track record in introducing new technologies,

and have diligently supported their implementation within Australian

conditions.

Aquatec-Maxcon Pty Ltd is part of the Aquatec Maxcon Group

which provides a complete vertically integrated range of inhouse

services including:

• Design and construction;

• Project management, commissioning and operation;

• Installation and maintenance;

• Steel fabrication, sand blasting and painting;

• Machine and plant automation, system integration, electronic

repairs & servicing, SCADA configuration.

DEVELOPMENT OF NEREDA®

Nereda® was invented by the world renowned Delft University

of Technology. In close cooperation with universities, research

institutes, STOWA, water boards, various industrial and municipal

launching customers, and supported by national and international

grants, DHV has transformed the process into an internationally

applied, sustainable and cost effective technology.

NEREDA® KEY ADVANTAGES

• Pure biomass, no support media required

• Excellent settling properties

• High biomass concentration

• Small footprint

• Low energy consumption

• Simultaneous biological Nitrogen and Phosphrous removal

• Simple single tank concept (no clarifiers)

• Low capital and operational costs

• Simple operation

• Sustainable technology

Epe STP, Netherlands 59,000 ep

Key Installations

Gansbaai STP, South Africa 4 MLD

2 Aeration

1 Simultaneous fill/daw

Nereda®

Cycle

3 Fast settling

Thanks to the unique characteristics of granular biomass, Nereda® technology uses an optimised SBR cycle:

1. Filling of water and simultaneous displacement of purified water.

2. Aeration results in extensive simultaneous biological removal of organic, nitrogen and phosphorous compounds.

3. Biomass is separated from the purified water during a very short settling phase, and Nereda® is ready for a new cycle.

Unique features are that aerobic, anoxic and anaerobic biological processes take place simultaneously in the granular biomass

and that optimal biological treatment is accomplished in only one effective aeration step.

Anoxic / Anaerobic Zone:• Nitrate reduction to nitrogen gas• Phosphate removal

Aerobic Zone:• Biological oxidation• Ammonia oxidation to nitrate

AEROBIC GRANULAR BIOMASSThis unique technology is supported by Aquatec-Maxcon, Australia’s leading water technology provider and the leading European technology

developer and consultant, DHV.

Nereda® is an innovative, advanced biological wastewater treatment technology that purifies water using the unique features of aerobic

granular biomass. Unlike conventional processes, the purifying bacteria concentrate naturally in compact granules, with excellent settling

properties. As a result of the large variety of biological processes that simultaneously takes place in the granular biomass, Nereda® is capable

of meeting stringent effluent quality requirements. Extensive biological phosphorus and nitrogen reduction is an intrinsic attribute of this

technology, resulting in chemical free operation.

These unique process features translate into compact, energy saving and easy to operate Nereda® installations for both municipal and industrial

waste water treatment. Nereda® presents attractive new solutions for greenfield and brownfield sites and retrofitting or extending conventional

activated sludge plants. The technology is also highly recommended for performance and capacity upgrades of existing SBR facilities.

ADVANTAGES OF NEREDA®

Cost EffectiveNereda® enables extensive biological treatment in a compact and

simple design.

Reduced plant costs are achieved through:

• High energy efficiency of the process

• Less mechanical equipment than conventional processes

• Concentrated biomass, reducing tank volume

• Reduced direct plant costs

• Reduced O&M costs

Easy to Operate

Plant operation is easy and process performance is robust. The

Nereda® system is fully automated ensuring, reliable performance

and ease of operation.

SustainableExtensive life cycle analyses reveal Nereda® as a truly sustainable

technology. Compared to conventional processes, Nereda® has

significantly lower energy consumption but also produces a

remarkably high effluent quality. The technology requires less waste

generating chemicals, construction materials and mechanical

equipment for an overall reduced carbon footprint.

NEREDA®

The name Nereda derives from the Greek word “Neraida.” Nereda

was a water nymph and one of the daughters of Nereus, the wise

and benevolent Greek god of the sea, In Greek mythology Nereda is

linked with the terms “pure” and “immaculate,” a hint to the water

quality produced by the new technology!

Nereda® biomass (left) and activated sludge

(right) after only 5 minutes of settling

Breakthrough technology based on aerobic

granular biomass

Nereda® treating municipal waste water