For a Clear Sky and a Bright Future

The experts in air pollution control

AZZURO is the global leader in designing and engineering high-efficiency biological reactors for a broad range of emission control requirements and industries.

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We are a science-driven Solution Provider, whose mission is to help customers comply with their emission requirements. We advise, design and supply Air Pollution Control Solutions for all industries. Our biological solutions are more efficient in emission reduction, more reliable in operating and more economical than the conventional chemical scrubbers or thermal oxidizers. And our customers agree. Our team of experts is experienced and highly motivated to assist you.

AZZURO is operating globally with offices in the USA, Europe, the Middle East and Australia.

In addition to many municipalities, we are proud to have a long list of highly renowned customers in all fields of industry – from Petrochemical to Agricultural and from Food to Chemical.

We have been able to assist our customers by reducing their emissions and their operating cost in doing so. Very grateful for the trust we are being given, we continue to provide Air Pollution Solutions so we can all enjoy a clear sky and a brighter future.


We believe in utilizing science and technology to create affordable solutions that make our planet a cleaner and safer place. By choosing our non-chemical, low maintenance, and sustainable solutions, our clients directly contribute to this goal.


A list of patents is proof of our innovative power. Since our inception, we have continuously trailblazed new paths to energy compliance, always looking to improve our technology. More than once, a client’s very specific need has led to the discovery of new applications for our solutions.


AZZURO is more than just a technology provider. We aim to create lasting partnerships with our clients by designing unique solutions to fit your emission requirements. Our commitment to truly understand the challenges of our client’s industry ensures the absolute best possible solution.

Proven Track Record

  • 1993
    Modularized organic biofilter for optimized process control.
  • 1997
    First structured synthetic media with polyurethane foam in a round cylinder trickling filter. 
  • 2008
    Optimized structured synthetic media without polyurethane foam in a round cylinder trickling filter, increasing capacity by a factor 2 to 3. 
  • 2014
    Color-coded media allows for an internal polishing step.
  • 2017
    Biological biogas desulfurization system, based on the concept of a biological anaerobic/aerobic wheel.
  • 2020
    Since 2017 patents were granted for both Sulfatech and Amotek.

Our Products

  • Amotek

    AMOTEK, specially designed to remove ammonia, is the world’s first hybrid bio-chemical reactor that doesn’t require chemical dosing - suitable for the agricultural sector as well as paper mills, composting facilities and other industries.

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  • Azzorbo

    Activated carbon filter product line, suited to function as a polishing filter or as a full-blown stand-alone system. Unique in design, AZZORBO is the only carbon filter that’s fully accessible from the top.

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  • Puretta

    A compact combination system that combines the best use of biology and activated carbon to deodorize small air flows. Specially designed for limited spaces.

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  • Sulfatech

    An anaerobic gas scrubber, supplemented with an aerobic regeneration unit. SULFATECH is used to sweeten sour gas in oil refineries and remove harmful sulfur emissions from gas in “waste to energy” projects fully biologically.

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  • Torrenta

    A truly unique counterflow trickling system for a wide variety of air cleaning solutions - the system guarantees a stunning removal result year after year, without media replacement.

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Our Solutions

  • Agro, Food & Beverage

    AZZURO Air Pollution Control Systems are the perfect match for people, product, process and budget – for processing plants, canning fruits and vegetables plants, fruit juice, and dairy and potato products plants.

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  • Wastewater Treatment

    The first to introduce a solution to the WwTPs in the 1990s, today’s biological air pollution control solutions keep municipal water odor-free.

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  • Cellulose & Pulp Processing

    When HE&S Managers and Plant Operators look for alternatives, they seek out our biological process and high-performance bioreactor.

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  • Petrochemical

    Over 99.5% of H2S and SO2 can be eliminated by a rugged biological system with few moving parts and no chemical consumption, operating at ambient temperature and pressure. 

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  • Ammonia

    When HE&S Managers and Plant Operators look for alternatives, they seek out our biological process and high-performance bioreactor.

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  • Hydrocarbons

    Hydrocarbon recovery is best served with our bioreactor versus amine or caustic scrubbing—thanks to higher reliability, reduced maintenance and lower capital cost.

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  • Sour Gas

    With microbiology at our core, we transform carefully cultivated bacteria into a giant ecosystem to treat polluted air and sour gas emissions.

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  • Biogas

    Our proprietary biogas system reduces gas, biogas or boiler gas—with no chemicals and a low operating cost. 

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  • Odor

    Hard to define but easy to notice. Odor is a nuisance like no other – but it can be successfully treated.

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  • Sulfur Compounds

    Expanded capabilities for treatment of H2S, SO2, COS, CS2 and mercaptans now come at a lower cost with less maintenance.

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REACH OUT. Tell us what pollutant you're trying to solve for.

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We are always looking to make new contacts and meet companies keen to find out more about our products and services. Whether you have a project you want our engineers to take a look at, require more information, or just want to say “Hi,” please reach out and a representative will get back to you shortly.

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