
CASE STUDY
PRODUCTION INDUSTRY
Some production scraps of the industrial sector may give rise to odour and disposal problems, whose solution is often highly costly, both economically and in terms of time and resources. Ejections, malodorous waste and undesired by-products are just a few examples of odour sources whose associated problems get daily resolved in BMB.

CLIENT’S NEED
Abatement of odours
Abatement of NH₃ emissions
Abatement of NH₃ emissions

TECHNOLOGY EMPLOYED
Washing Tower (Scrubber)
Closed biofilter modules
Closed biofilter modules

POLLUTANTS ABATEMENT
Odour removal efficiency ≥ 98%
NH3 abatement (ammonia) ≥ 99%
NH3 abatement (ammonia) ≥ 99%

STRENGTHS
Energy efficiency
Reduction of management costs
Reduction of management costs
CONTEXT
In the food sector there are multiple odour sources, yet animal ejections are undoubtedly among the most complex and tedious to manage. As a matter of fact, livestock ejections are the cause of odours and represent a serious environmental issue, as the regulatory framework suggests. The high concentration of ammonia NH3 and the persistent and unpleasant olfactory trace represented the main problematics BMB took charge of.
THE PLANT
THE PLANT

CHALLENGES
PERFORMANCE AND COORDINATION
Creating an industrial air purification plant regulated on specific parameters entailed various challenges, among which the necessity to guarantee high odours and NH3 abatement levels, while maintaining a successful aspiration of the production rooms. Another challenging aspect regarded the realisation of a remote controllable plant capable to work with the simultaneous functioning of multiple production machines, with facilitated access to all maintenances.
SOLUTION
WET SCRUBBER AND BIOFILTERING MODULES
Realisation of an optimised purifier with high level of automation, with a customised parameters control, remote monitoring and alarm system, in order to transmit maintenance interventions.
The plant has been structured with the following scheme:
The polluted air stream passes through two wet washing towers (scrubber) capable of reducing the acid compounds (hydrogen sulphide H2S); odours are subsequently removed by a biofiltering unit.
The plant has been structured with the following scheme:
The polluted air stream passes through two wet washing towers (scrubber) capable of reducing the acid compounds (hydrogen sulphide H2S); odours are subsequently removed by a biofiltering unit.

TURNKEY PLANT
Each industrial air purification plant with scrubber tower realised by BMB is custom-designed after an accurate field study phase. The initial study of conditions, context and problems to solve allows our technicians to recommend targeted and personalised solutions, dedicated plants and specific technologies for each kind of problem.
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