Nijhuis Water Technology - Corporate Brochure

➔ V I S I O N O N S U S TA I N A B I L I T Y

Vision on sustainability We are committed to offering high

quality, sustainable solutions in the field

of waste water treatment. Active in

50 countries, we are a knowledge-based

company with our own production facility,

equipped with the latest technologies

and adapted to almost all industrial

markets. Not only do we deliver waste

water treatment systems, recycling and

energy recovery are also amongst our

specialities.

2N I J H U I S W AT E R T E C H N O L O G Y ➔ V I S I O N O N S U S TA I N A B I L I T Y

Innovative We are known worldwide as an innovative

company. We are able to offer a broad

range of products and services, from

turnkey total solutions to partial solutions

and also single products. We are totally

focused on the needs of the client.

Therefore for all your requirements,

we can offer the solution.

Fast ResponseWe believe we can quickly offer you the

best solution. Dealing with a broad range

of sectors we know, as no-one else,

what is going on. That is to our advantage

and also to yours.

Broad ExperienceThe waste water from a chemical plant

has, for example, a different composition

to that of a dairy plant. Its treatment

also requires a different approach.

We have a wealth of experience in all

sectors and so can act very quickly and

efficiently in providing solutions in all

areas.

Technological skillsPurifying waste water demands high

technological skills and involves a number

of phases and processes as listed below:

A physical - chemical process. Coarse

parts are removed, for example, sand, oil

and textile fibres.

A biological process. Micro-organisms

purify the water. They remove organic

compounds.

The water is further purified by, for

instance, fine filtration, absorption,

membranes, UV treatment or by adding

substances which kill bacteria and viruses.

When treating water, sludge is produced.

The aim is to remove valuable material

so that the disposal costs are minimal to

zero.

The processes Primary

Secondary

Tertiary

Sludge

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RecyclingWe are a company which does much

more than only supplying knowledge and

installations for waste water treatment.

We can also supply innovative sustainable

solutions in the field of recycling.

Water ReuseRecycling technologies can be used for

post-treatment of water. By doing this

you can reuse the water in the production

process, for irrigation or as drinking water.

Therefore, you do not need to discharge

waste water which is good for the

environment and also saves money.


Material RecoveryRecycling technologies can also be used

on materials which are removed from

the water with our systems. Which? This

will depend on your sector. For example,

in the potato processing industry, it

could be starch; in the pulp & paper

industry, it could be paper fibres; in the

petrochemical industry, it could be mineral

oils; and, in the dairy industry, it could be

vegetable oils. Other processes produce

phosphorus which can be used as an

agricultural fertilizer. Of course, there are

many more examples.

Waste to EnergyWe supply not only systems which can

take waste from water, but we also

deliver systems which can convert these

wastes into energy. Our in-house Research

& Development department has the

knowledge and experience to design these.

Biofuels

We are capable of generating bio-based

fuels from waste and waste water, such

as, hydrogen, pyrolysis oil and dried,

pelletized organic compounds. We also

design and deliver biogas plants which

produce energy from manure and other

substrates. There are currently more

processes in development.

One-stop-shopIn the future we will also continue with

our research and innovation. We control

all aspects in the treatment of water,

waste water and waste streams to produce

the required end products, such as clean

water, process water, fuels, energy and

other valuable materials.

We hope that in the future we can supply

you with our knowledge, experience and

high quality technologies.

Treatability studies. Our team of specialists can perform treatability studies

by using our long-term experience in this field.

Lab testing and pilot testing on site. We have the capabilities to do tests in our

laboratory and on site with our pilot units to demonstrate the proposed solutions.

R & D. Our Research and Development department is continuously working

on the innovation of existing technologies and the development of new

technologies to provide our customers with up-to-date solutions.

Standard equipment to complete systems. We design systems which meet

our customers’ demands. From standard components to complete tailor-made

waste and water treatment systems.

Engineering & Manufacturing. We have our own Engineering departments

and manufacturing facilities. We guarantee a quick and flexible approach and

short delivery times.

Quality & Safety. ISO 9001 certified, Health and Safety, HAZOP.

Service. After Sales Operational Support, Spares Supply, Upgrades, Training.

Our expertise ➔

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2A

3A

1A 4C

2B2A

4C

3B4C

4C4C

4A/B

1C/D 1B/D

© All rights reserved

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1 Primary treatment

1A NFS: Filtration Systems from 0.25 mm to 10 mm

1B Gravisep: Gravity separators

1C Optiflot: Induced and Dissolved Air and Gas

Flotation systems

1D NCF: Advanced Coagulation & Flocculation systems

2 Secondary treatment

2A Bioctor: Aerobic biological treatment systems

2B Anoctor: Anaerobic biological treatment systems

3 Tertiary treatment & Recycling

3A NWR: Water Recycling and Reuse systems

3B NMR: Product Recovery systems

4 Waste to Energy & Sludge treatment

4A Aecomix: Sludge & waste digestion systems

4B Taurus Reactor: Anaerobic Digestion systems

4C NST: Sludge and Gas handling and treatment

Water

Sludge & Bio-based products

Recovered Products

Green gas

Heat

Power

Biofuel

➔ I N D U S T R I A L PA R K

N I J H U I S W AT E R T E C H N O L O G Y ➔ V I S I O N O N S U S TA I N A B I L I T Y

NFS - Filter systemsNijhuis Water Technology’s NFS range of

filter systems are used to separate coarse

solids from your waste water.

The following types are available:

• Bar Screens

• Channel Filters, including Aquarakes

and Channel Screw Filters

• Curved Screens, including static

and vibrating types

• Rotary drum screens, Internally

& Externally fed

• Cloth Filters

Primary treatment ➔


Gravisep - Gravity separatorsThe Nijhuis Water Technology Gravisep

gravity separation systems are designed

to remove heavy solids and floating

particles, like oil, from waste water.

The following systems are available:

• Sedimentation units

• Sand Screw Conveyors

• API / CPI / TPI oil-water separators

• Cross Flow Separators

• Counter Current Separators

• PPA modules

• Hydrocyclones

Our engineers are used to working with

high technological standards, like in

the Oil & Gas industry. Our systems can

easily be adjusted to meet your specific

requirements.

Optiflot - Flotation systemsNijhuis Water Technology Optiflot Flotation

systems are used to separate non-

dissolved materials by means of flotation

by dissolved air or gas.


• Induced Air Flotation IAF

• Induced Gas Flotation IGF

• Dissolved Air Flotation DAF

(with and without lamella plate packs)

• Dissolved Gas Flotation DGF

(with and without lamella plate packs)

Besides these standard types,

Nijhuis Water Technology also designs and

constructs tailor-made flotation systems.

NCF - Coagulation & Flocculation systemsThe Nijhuis Water Technology coagulation

& flocculation systems remove emulsions,

dispersions and heavy metals from the

waste water by addition of coagulant,

flocculant or precipitant.

The following coagulation - flocculation

systems are available:

• Pipe Flocculator

• Tank Reactor

• Electro coagulation

• Chemical dosing equipment

• Chemical make-up equipment

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Primary treatment ➔


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Secondary treatment ➔


Bioctor - Aerobic biological treatment systemsNijhuis Water Technology offers a

complete range of Bioctor aerobic

biological waste water treatment systems.


• Bioctor S - SBR Sequence Batch Reactors

• Bioctor C - Continuous biological

treatment

• Bioctor M - MBR Membrane Bio Reactors

• Bioctor B - MBBR Moving Bed Bio

Reactors

• Bioctor N - Biological Nitrogen Removal

• Clarifiers - Activated Sludge Settling

systems

• Clariflot - Activated Sludge Flotation

systems

Anoctor - Anaerobic biological treatment systemsNijhuis Water Technology offers a

complete range of Anoctor anaerobic

biological waste water treatment systems.


• Anoctor U - UASB Upflow Anaerobic

Sludge Blanket systems

• Anoctor E - EASB Extended Anaerobic

Sludge Blanket systems - also available

in prefab modules

Depending on your waste water and

effluent requirements, Nijhuis Water

Technology will select, design and

build the most suitable plant for each

application, taking into consideration

investment, operational costs, local

requirements and reliability.

Secondary treatment ➔


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Tertiary treatment & Recycling ➔


NWR - Tertiary treatment & Recycling systemsNijhuis Water Technology offers a range of

NWR technologies to polish your industrial

waste water to very tight discharge

consents or even to a quality which can be

reused in your production process.


• Sand filters

• Media filters

• Activated carbon filters

• Aerated activated carbon filters

• Disinfection

• Membrane systems, types MF, UF

and RO

Depending on where and how the waste

water will be reused, a selection will be

made from these technologies to ensure

the optimum polishing configuration with

the lowest running costs and a minimum

of waste for disposal.

NMR - Valuable products recovery systems To create value out of products in your waste

water, Nijhuis Water Technology designs

systems to recover these and create value

out of it. For example, the following materials

can be recovered from waste water:

• Nitrogen and Phosphorus can react into

Struvite, a valuable fertilizer

• Proteins can be recovered from an algae

treatment system and reused in food

or as fuel

• Starches can be recovered from waste

water from a potato processing plant

and reused as animal feed

• Oils can be separated and reused as

animal feed, fuel etc.

The above mentioned list is just a small

summary of possibilities. Nijhuis Water

Technology has highly qualified engineers

to study your specific case and to provide

you with the latest technologies in this field

producing the shortest ROI.

Tertiary treatment & Recycling ➔


Sludge treatment & Waste to Energy ➔


Aecomix - Sludge Digestion and Waste Digestion systemsNijhuis Water Technology supplies sludge

& waste digesters, where under anaerobic

circumstances, your organic waste material

is transferred into biogas, heat, energy

and fertilizer. The feed into the process

could consist of:

• High load organic liquid wastes

• Factory organic solid wastes

• Sludge from your waste water treatment

plant

Depending on the raw materials, Nijhuis

Water Technology will select the optimal

system. This system can include the

following steps: raw material preparation,

balancing, mixing, digestion, biogas

conditioning, biogas usage, digested

solids processing and digestate treatment.

Taurus Reactor - Anaerobic Digestion systems for Manure and Co-productsNijhuis Water Technology supplies manure

& co-digestion systems, where under

anaerobic circumstances, agricultural

wastes are transferred into biogas, heat,

energy and fertilizer. The feed into the

process could consist of:

• Manure of animals

• Agricultural & Food factory wastes

• Co-substrates, like maize, corn, grass

and sugar beets

Depending on the raw materials, Nijhuis

Water Technology will select the optimal

system. This system can include the

following steps: raw material preparation,

balancing, mixing, digestion, biogas

conditioning, biogas usage, digested

solids processing and digestate treatment.

NST - Sludge and Gas handling and treatmentDuring treatment of waste water and

wastes, sludge is produced which needs

to be disposed of in order to diminish the

disposal costs. Nijhuis Water Technology

designs and supplies the following NST

sludge thickening systems:

• De-watering drums

• Screw press separators

• Chamber filter presses

• Belt presses

• Decanter centrifuges

• Sludge drying systems

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Sludge treatment & Waste to Energy ➔


Nijhuis Water Technology - Corporate Brochure

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