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CHIUDI

Air Clean

Environmental rehabilitation plants

Air treatment
Biogas upgrading

Impianto trattamento acque - biofiltro - Italia

Treatment of odour and VOC emissions produced by municipal wastewater treatment plants

Impianto trattamento acque industriali polo petrolchimico - biofiltro - Italia

Treatment of odour and VOC emissions produced by the industrial wastewater treatment plants

Impianto compostaggio - biofiltro - Italia

Treatment of odour and VOC emissions produced by the municipal solid waste treatment plants

Impianto trattamento rifiuti - biofiltro - Italia

Aerobic fermentation systems for the municipal solid waste treatment plants

Impianto trattamento rifiuti speciali - torre di lavaggio chimica - Italia

Treatment of odour and VOC emissions produced by the industrial waste treatment plants

Impianto produzione energia da biomassa - biofiltri e umidificatori - Italia

Treatment of odour and VOC emissions produced by the food industry and its wastes treatment

Impianto di aspirazione industriale - estrazione dell'aria - Spagna

Dust removal plants for glass, brick, gypsum, aggregates and asphalt industries

Impianto aspirazione industria siderurgica - impianto aspirazione - Italia

Aspiration and treatment plants for dusts and fumes produced in foundries, steel industry, faucets and fittings factories and mechanical industries

Processo di trattamento galvanico - impianto aspirazone fumi - Italia

Treatment of emissions from surface treatment processes

Impianto biomasse zootecniche - biofiltri - Italia

Treatment of odour and VOC emissions in industrial processes

Impianto trattamento rifiuti speciali - biotrickling e impianto estrazione aria a servizio - Italia

Special plants

Impianto rendering campionamenti olfattometrici - biofiltro - Spagna

Environmental consultancy

BIOLOGICAL TECHNOLOGIES

Biological Systems (for air treatment)

CHEMICAL/PHISICAL TECHNOLOGIES

assorbitori

Absorbers (washing towers)

CHEMICAL/PHISICAL TECHNOLOGIES

Adsorbers (air depuration by activated carbon)

OTHER TECHNOLOGIES

Wet dust removal systems

OTHER TECHNOLOGIES

Dry dust removal systems

OTHER TECHNOLOGIES

Impianto trattamento rifiuti – cabina afonica – Italia

Industrial ventilation

OTHER TECHNOLOGIES

insonorizzatore

Soundproofing

BIOLOGICAL TECHNOLOGIES

Impianti Compostaggio - Composting plant

Composting plants

OTHER TECHNOLOGIES

Special plants

MónaShell®

MonaShell

Biotrickling technology with shells suitable for the treatment of acid gases (400 ppm H2S) and VOC (2 grC / m3) in the industrial field (painting, foundries, food industry, etc.)

MónaFil®

MonaFil

Peat-based product designed for biofiltration

CrumRubber™

CrumRubber

Biological system on recycled rubber support for the removal of high concentrations of H2S (5000 ppm) and siloxanes from biogas

MónaShell®

“Air Clean offer proven, proprietary clean air bio-technologies, which provide best-in-class process performance with the lowest utility and life cycle costs”

The MónaShell biofiltration system is a proven and cost-effective alternative to chemical scrubbing or carbon adsorption, designed like a Biotrickling system yet incorporating many benefits of traditional biofilters.

The shell-based media is sustainable and renewable with the ability to maintain a neutral pH within the biofilter. This ensures optimal odour performance across a broad range of odor producing compounds, while simplifying operation and enhancing system reliability.

MónaShell technology in single stage configuration was originally designed for odour removal emitted from wastewater treatment plant.

The introduction of recirculation technology and double pass treatment allowed to extend its use to high levels of H2S and VOC including those generated by industrial applications. When it is used in combination with our CrumRubber technology it allows to remove up to 4000 ppm H2S.

MónaShell® Treatment and Product Selection Considerations;

Compounds

Concentration Range

Removal Efficiency

Odor

1000 – 40.000.000 OUE

99.9% +

H2S

0-2000 ppm

(4000 ppm max)

99.9% +

VOC's

0 – 1000 mgC/m3

90 - 95%

Reduced Sulphur Compounds

0 -500 ppm

99%

Amines

0 - 50 ppm

98% +

Ammonia

0 -100 ppm

98%

Typical design contact times

18 to 90 seconds

Water Consumption per kg H2S

0.4 m3

Typical Media Life

5 years ++

Typical Pressure Drop per m3 

50 - 250 pa

Comments on Selection of Technology

This technology was developed for high levels of H2S and VOC’s

Comments on Life Cycle Cost

Long life cycle costs even for high VOC and  H2S emissions when benchmarked against chemical scrubbers activated carbon and thermal oxidisers

 

MÓNASHELL® BIOFILTRATION BENEFITS
OVER OTHER BIOFILTERS

Treats high and variable concentrations of H2S 
and a broader range of organic sulphides

Up to 67% footprint reduction compared to conventional biofilters due to higher efficiencies, reduced contact time, and deeper filter bed

No short circuiting or channelling through media

High porosity, low pressure drop, low energy requirement

Lower water consumption: 
water recirculation conserves H2O

No nutrient addition

 

OVER CARBON AND WET SCRUBBERS

Low pressure drop, low energy costs

Lower media replacement costs

Eliminates need for chemicals

Sustainable process uses naturally occurring recovered media

Effective on highly variable inlet conditions

Lower operating and maintenance costs

 

 

OVER RTO

Low energy

Low CO2  footprint

Able to treat high variable concentration of VOC

 

 

 



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