Aigner
ECCOAIRJET

Introducing The World's Most Advanced Tunnel Filtration System

Traditional Electrostatic Filters Are Used Worldwide

Why A New Technology?

New AGE

We Know Electrostatic Precipitators Inside Out ...

Why Did we develop ECCOAIRJET?

“ECCOAIRJET Is The Most Amazing Development In Tunnel Filtration History”

“I have been developing the most modern tunnel filtration systems together with my team since 1980. The all new Aigner ECCOAIRJET is a technological milestone and the beginning of a completely new age. ECCOAIRJET has no weaknesses, is best in class concerning efficiency, safety, protection of nature and operation/maintenance … and is even less expensive than traditional filtration systems.
I am proud to be a part of my great team!“

Ing. Heinz Aigner
CEO Aigner Tunnel Technology GmbH

ESP Problem #1:
High Voltage

Traditional Electrostatic Precipitators (ESP) require high voltage to work. For this reason short circuits and other high voltage issues cannot be avoided. Thus highly qualified and experienced technicians are needed!

How To Solve?

ESP Problem #2:
Wet Cleaning

ESP filters need to be washed regularly, which requires fresh water and water treatment plants. As a result waste water is produced. After washing the drying process starts. Switching on high voltage can cause sparking in EP cell.

How To Solve?

ESP Problem #3:
Maintenance

During maintenance of EP filters the filtration plant has to be stopped. This can add up to approximately 14 days per year. In addition cost-intensive and complicated technical equipment is necessary to maintain such filters.

How To Solve?

Our Motivation: Running A Road Tunnel Must Be Easy ...

The Beginning Of A New AGE

Traditional ESP Technolgy

Since many years we are experiencing a huge incline of traffic, especially in large urban areas. Thus air pollution and protection of nature are getting more and more important. For this reason some of the most outstanding tunnel projects have been equipped with Electrostatic Precipitators (ESP) plants mainly because of environmental protection.

Though ESP filtration systems have become the industry standard, they have their very own and well-known weaknesses which can’t be avoided and have to be accepted by tunnel operators: dealing with high voltage, dangerous and complex maintenance, high risk of damages and failures due to high voltage, no 24/7 operation, …

New Mechanical Technology

With more than 40 years of experience in the field of Electrostatic Precipitators (ESP) and the vast experience of our customers with tunnels worldwide, we are fully aware of the inherent weaknesses.

This is why we have been motivating ourselves to think outside the box on a daily basis. Our goal was to develop a completely new filtration system with huge advantages like better efficiency, easier maintenance, fewer environmental pollution and many others.

In 2019 we achieved our target and developed the all new ECCOAIRJET – the next milestone and the beginning of a new age in tunnel filtration technology.

A Short Overview ...

Main Advantages Of ECCOAIRJET

Aigner ECCOAIRJET offers a great variety of unique highlights – the most impressive ones are:

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Solving All Weaknesses Of Traditional Electrostatic Precipitators

Explaining ECCOAIRJET

ECCOAIRJET

Explained In Two Simple Steps ...

ECCOAIRJET Filtration System

Step 1 - Collecting Dust Particles

Polluted air of road tunnels need to be cleaned to protect citizens around shafts and protect our nature. ECCOAIRJET is the best tunnel filtration system worldwide and collects all particles – even ultra fine ones with less than 1 micron.

Figure (A) shows the airflow through a filter cartridge of an ECCOAIRJET, equipped with different filter medias for best filtration performance. As shown on filter (B), dust particles are collected mechanically by ECCOAIRJET filtration system.

Step 2 - Cleaning With Compressed Air

The dry cleaning process of ECCOAIRJET is unbelievable simple and safe and is operating fully automatically.

Solenoid valves controlled by an intelligent software pulses with compressed air and dust is effectively blown off of the filter cartridge (C), ending up in a clean filter again (D).

This process happens during operation of the filtration plant.

ECCOAIRJET - Shifting The Boundaries

1. Mind-Blowing

High Efficiency

Efficiency > 99 %: Almost all particles are less than 1 micron. ECCOAIRJET has an efficiency of 99 % for all particle sizes, even for PM1.0 particles.
No Pre-Filter: To protect Electrostatic Precipitators (ESP) of large particles, pre-filters are used. ECCOAIRJET does not need pre-filters at all and can handle all sizes of particles.
Airflow Distribution: Using ECCOAIRJET filtration system the airflow of the polluted air distributes itself in a natural and optimal way. No guide vanes needed!

ECCOAIRJET’s efficiency is > 99 % on all dust particles

ECCOAIRJET is working without high voltage

ECCOAIRJET - Beginning Of A New Age

2. Stunningly Simple Technology

No High Voltage

No High Voltage: Due to its mechanical mode of operation ECCOAIRJET does not need high voltage, thus it's safe and secure!
No High Voltage Insulators: Thousands of them are a weak point of an ESP plant. Insulators can be damaged by leakage current of high voltage.
No Short-Circuits: ECCOAIRJET is working with no voltage at all. Compared with ESP no sparking after washing arises - and no damaged high voltage insulators.

ECCOAIRJET - Gamechanger at Service

3. Easy & Fast Maintenance

SMOOTH OPERATION

Dry Cleaning System: ESP need water and water treatment plants. ECCOAIRJET is cleaned by compressed air only - simple and safe! One of ECCOAIRJET's biggest advantages!
24/7 Operation: The dry cleaning system is working during operation! No stop of the filtration plant is necessary, no drying after washing filters like in an ESP plant.
Time-Saving Maintenance: ECCOAIRJET requires 1 to 2 days per year for maintenance only. Check of valves and filter media is all that needs to be done!
Easy Waste Disposal: In a central dust filter all particles are collected in dust bins. Replacing bins is a matter of minutes - plug and play in perfection.
Basic Level Technicians: Traditional ESP filtration technology requires best qualified and experienced technicians - hard to find all over the world. Maintaining ECCOAIRJET is easy and can be executed with basic level knowledge!

ECCOAIRJET‘s biggest advantage: Easy maintenance

ECCOAIRJET is the best system to protect nature

ECCOAIRJET - Keeps Cities Clean

4. The Ultimate Green Technology

Protecting Nature

No Waste Water: ECCOAIRJET's dry cleaning system is saving a massive amount of clean water year after year. This is one of the best investments in keeping our planet healthy.
No Water Treatment: No water treatment equipment is needed for cleaning purposes: no water pumps, no water recycling systems, no disposal of polluted water.
No Ozone Production: ECCOAIRJET filtration system does not produce ozone at all, while Electrostatic Precipitator (ESP) plants do.

ECCOAIRJET - Best Economical Solution

5. Huge Cost Advantages

Best Price

Investment Phase: ECCOAIRJET itself is more advanced and therefore a bit more expensive than traditional ESP filtration technology. But keeping an eye on expensive equipment not needed (e.g. for high voltage, water treatment, ...) ECCOAIRJET offers a massive cost advantage of 10 %!
Ongoing Operation: Comparing ongoing costs of daily operation, ECCOAIRJET filtration systems are on a similar price-level than traditional Electrostatic filtration systems.
Regular Maintenance: Taking costs caused by maintenance into consideration, the advantage of ECCOAIRJET becomes even bigger! ECCOAIRJET helps saving 85 % on a yearly basis compared to ESP filtration technology.

ECCOAIRJET saves 10 % investment costs

Traditional vs. New Age Technolgy

ESP Filter vs. Mechanical Filter

ECCOAIRJET is the clear winner … in every single criteria!

1. Efficiency

Efficiency

80 – 90 %

> 99 %

Pre-Filter

Required

No

Airflow

Guide vanes

Guide vanes needed

No guide vanes

2. Voltage

High Voltage

Yes

No

Insulators

Thousands

None

Short-Circuits

Not to avoid

Never

3. Operation

Cleaning

Wet cleaning

Dry cleaning

Cleaning Cylce

Weekly

During operation

Waste Disposal

Mud cake

Dust bins

Know How

Expert

Basic

4. Nature

Water Recyling

Necessary

No

Water Treatment

Yes

No

Ozone

Yes

No

5. Price

Investment

Full Price

10 % lower

Operation

Similar

Maintenance

Full Price

85 % lower

ECCOAIRJET As The Basis For A ...

Win-Win Situation for Everyone

Win-Win For Investors and Decision Makers
Using ECCOAIRJET is the clearest and most visible sign towards solving the main weaknesses of traditional ESP filtration plants. ECCOAIRJET is a Win-Win-Win decision for everyone with absolutely no weaknesses.

Simply said:
Progressive minded and smart decision makers have to go the ECCOAIRJET route ... and get the best solution at the best price.

Win-Win For General Constructors
The really good news: Expensive and dangerous maintenance procedures have finally come to an end with ECCOAIRJET.

The mechanical filtration system is so simple that even service technicians with basic level knowledge are able to fully maintain the filtration plant.

Win-Win For Local Urban Residents
Ongoing 24/7 operation of the ECCOAIRJET filtration system results in cleaner air in the direct neighbourhood of the tunnel, compared to traditional ESP plants.

Local residents benefit from fresh air with no dust particles - a big advantage for mankind and environment.

Win-Win For Nature & Environment
ECCOAIRJET is working highly efficient and is capable of filtering 99 % of all dust particles ... a huge win for our environment.

Due to its dry cleaning system no fresh water is needed and waste disposal is quick and easy. ECCOAIRJET is the best way to protect nature!