MISSION

Founded in 1980, Air Clean is a leading company in the design, manufacture and installation of treatment plants.

Its range of solutions includes equipment for the abatement of fumes (chemical scrubbing, activated carbons, biofiltration) and dusts (bag and cyclone filters, scrubbers) as well as air conditioning systems (manufacture and installation of air conveying pipelines in galvanized and stainless steel).

In the field of biological air pollution control systems, Air Clean is exclusive distributor of MonaFil biofilters and MonaShell bioscrubbers, all patented by the Irish company Bord na Mona.

Air Clean has built up a wealth of specific expertise in the installation of composting plants to process urban solid waste.

RELIABLE, COST-EFFECTIVE SOLUTIONS

Air Clean’s engineering division will accurately examine the complete range of possible solutions to identify the one that best responds to every client’s needs. The fact that both emissions capture systems (metal hoods and ducts in galvanized and stainless steel) and air treatment machines are manufactured by having recourse to thecompany’s in-house resources (in its manufacturing plant in Rho) guarantees cost-efficient quality performance products.

CERTIFICATIONS Air Clean is committed to product standardisation.

All design and manufacture processes are regulated by its internal quality management system.

The company has also been UNI EN ISO 9001:2008 certified for four years.

AIR CLEAN SRL

Registered office: Via Bassi, 14 - 20090 Trezzano Sul Naviglio (MI) – Italy

Manufacturing plant: Via Trento, 37 - 20017 Rho (MI) – Italy

Tel. +39.(0)2.931.69.000 / +39.(0) 2.931.19.89 – Fax +39.(0)2.935.04.303

Email airclean@tin.it – web site www.aircleansrl.it

ENVIRONMENTAL MONITORING AND PILOT STUDIES

Establishing the precise nature of a problem is the first step to solve it. Air Clean offers a 360-degree service for air quality monitoring, covering both traditional and innovative techniques (olfactometry and dispersion modelling). In some applications, the sheer characterization of the target flow is not sufficient to identify an effective treatment technique. In such cases, Air Clean provides on-site pilot installations, in order to ascertain the actual footprint of the proposed systems.

DISPERSION MODELLING

The dispersion of odour/chemical contaminants is modelled using the U.S. EPA approved ISCST2 and Complex 1 models. This procedure takes into account all the relevant criteria to assess the spread and environmental impact of the emissions. It also allows to verify the compliance with national laws and international directives.

PILOT STUDIES Pilot studies are aimed at collecting further, detailed information to make sure that a specific technological solution will solve a given problem. Moreover, they offer better guarantees that the installation to be purchased will actually meet the client’s requirements. By carrying out these pilot studies, the impact that a full-scale system is likely to have on the surrounding area can be predicted.

BIOFILTRATION AND BIOSCRUBBING

Biological air treatment techniques is now a standard in numerous sectors (i.e. civil wastewater treatment and odour removal in waste treatment). Air Clean provides biofilters by utilising the most suitable media (granular and fibrous peat) and bacteria for every single effluent. The most complex applications (industrial air treatment) require biological washing systems, such as bioscrubbing. In both systems, Air Clean can count on the expertise acquired by Bord na Mona, an Irish company for which it is exclusive distributor of the patented MonaFil and MonaShell technologies.

APPLICATIONS

• VOC emissions from process gases and wastewater treatment plants

• Odour control in industrial plants

• Sewage applications

• Odour control in the feed industry

• Removal of nitrogen-based compounds in composting and agricultural plants

• Any application involving high levels of sulphur compounds

• Solvent abatement (coating)

ACTIVATED CARBONS, CHEMICAL

SCRUBBERS AND BAG FILTRES

The use of such techniques in air emissions treatment has widely emerged as the best option. Air Clean’s decennial experience in this sector is the best guarantee for effective, performing plants.

APPLICATIONS

• Dust removal

• Ammonia removal

• Treatment of organo-sulphur compounds

• Industrial off-gases

• VOC removal

• Pharmaceutical industry

• Metallurgical industry

AIR CONDITIONING AND HOT-AIR HEATING SYSTEMS

Guaranteeing maximum comfort in civil and working facilities has now become an unavoidable necessity. Air Clean manufactures air conditioning, climate control and hot-air heating systems by using the best technologies available on the market.

APPLICATIONS

• Workplaces

• Shops

• Public places (smokers’ room)

• Hospitals

COMPOSTING PLANTS

In the field of waste treatment, Air Clean manufactures automation-intensive, biodynamic composting plants involving accelerated fermentation processes. These plants are based on self-propelling turners that control and work the biomass placed on several trenches. Such installations are complemented by automated systems for biomass loading and compost unloading, resulting in increased productivity and lower running costs.

BIOFILTRATION AND BIOSCRUBBING (Summary Details)

The main technologies:

MÓNAFIL® (biofilter) utilises a support made of peat media, specifically designed to guarantee longevity and excellent removal efficiencies for a broad range of polluting compounds. MÓNASHELL® (bioscrubber) is a unique biological system utilising shells as a support medium for the treatment of high, variable levels of H2S, mercaptans, ammonia, alkyl sulphide and medium/low concentrations of VOC. Compared to conventional biofiltration systems, the MonaShell technology offers several advantages, among which are reduced loading losses and therefore lower energy consumption, high efficiencies especially on organic compounds, automatic control of humidity and pH, a filtration bed specifically shaped to facilitate mass transfer, buffer capacity of washing solution, durable filtration material.

MÓNASHELL EbF® (bioscrubber) is a new patented process for the treatment of high levels of VOC

from various industrial processes. This technology represents the latest breakthrough in the extensive research programme undertaken by Bord na Móna Environmental LTd. Laboratories. Air Clean contributed to such an initiative with its own experience in developing solutions to adequately meet ventilation and air pollution abatement requirements for every single application. All these patented systems result in lower footprint than conventional biofilters (based on compost or wooden chips).

EXAMPLES OF BIOFILTRATION SYSTEMS

APPLICATION FLOWRATE ABATEMENT SYSTEM

CONCENTRATION

RANGE

REMOVAL

EFFICIENCY

Compost production plant

70.000 m3/h MonaFil

™ Biofilter 45.000 o.u./ m

3 >99%

Anaerobic digestion plant

200 m3/h MonaShell

™ Biofilter 2.500 mg/ m

3 H2S 99,9%

Industrial wastewater

Rendering

60.000 m3/h MonaShell

™ Biofilter

400 mg/ m3 H2S

70 mg/ m3 NH3

99,9%

Coating plant 11.500 m3/h MonaShell

™ Biofilter

1.200 mg/ m3

(Alcohols, MEK) >90%

Plastic production plant

1.200 m3/h MonaShell

™ Biofilter

73 mg/ m3

Formaldehyde

20 mg/ m3 TOC

94%

85%

Feed production plant

15.000 m3/h MonaFil

™ Biofilter 7.550 o.u./ m

3 >98%