MION - Model 9.0 - Odor Purifier/Gas Scrubber
Odorous emissions are a source of nuisance in a community, creating the need to equip existing and new reduction systems with multiple purification technologies. Identification of a system must take into account the degree of reduction required. If necessary a feasibility study shoud be made to establish the costs and over all operating costs.
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Details:
Mion-srl has developed the following technologies (possibly combined):
1. Power consumption with/without chemical reaction, through the use of:
- spray or gas bubbles rooms.
- Venturi washers.
- Tray columns.
- Columns with filling bodies.
The absorption or cleaning of gas involves the removal of pollutants during their transfer in the liquid phase. From an operational viewpoint the speed of the process, a fundamental parameter for the selection and optimization of the system, depends on the gas-liquid contact method and selection of a suitable liquid. The identification of a suitable solvent depends on the solubility of the substance to be removed: the most common involves using water for hydrophilic compounds or aqueous solutions containing appropriate chemicals that can accelerate the process of dissolving the substantive pollutants with low solubility.
2. Adsorption on activated carbon, with:
- disposable systems
- continuous regeneration systems.
Adsorption is a physical-chemical process that produces the accumulation of gaseous components on a suitable adsorbent solid surface. The forces involved can be purely physical or chemical: the first determines the rapid transfer of the pollutant, exothermically and reversibly, however not generally selectively, while the second, which is highly selective requires more time and heat is either completely non-reversible or only slightly.
3. Condensation, with:
- surface heat exchangers.
- mixed heat exchangers.
Reduction of polluting gases fumes is achieved by condensation using increased pressure or, more commonly, by cooling the fluid to be treated. In general, the condensation is effective when the vapors are present in high concentrations and the dew point is over 30° C.
The surface condensers most used are tube heat exchangers and finned batteries.
The mixed condensers most used are spray columns, plate columns and Venturi ejector scrubber.
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