Printing & Packaging: choosing the air depuration system
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PRINTING & PACKAGING - CHOOSING THE AIR DEPURATION SYSTEM - VENTILAZIONE INDUSTRIALE srl Via Adamello, 9 – 20851 Lissone (MB) – Italy www.amboso.com – info@amboso.com

PRINTING PROCESS ROTOGRAVURE PRINTING FLEXOGRAPHIC PRINTING Characteristics: - The image is engraved onto a cylinder - Technology suited to high production volumes - Quick drying time is needed Characteristics: - Printing with plate light-sensitive polymer - Technology suited to various production COUPLING Characteristics: It is a process where a plastic film is coupled with either another plastic film or paper/cardboard, etc. Solvent used: The solvent is contained in the glue used to adhere the two layers; in this process (above all in food industry) is required quick and safe drying...

COMPARATIVE TABLE SOLVENT RECOVERY PLANT REGENERATIVE COMBUSTION PLANT Always monosolvent: ETHYLE ACETATE or TOLUENE or HEXANE Air flow rate to be treated Minimum 5.000 Nm3/h Usually smaller plants do not offer interesting economical benefits. Minimum 20 kg/h Minimum 5 kg/h When lower amounts of solvents are used, there is no economical benefit Solvent concentration in airstream More than 2 g/Nm3 to be treated - Reuse of recovered solvent - Greater independence from solvent suppliers - Short payback of the investment - Flexibility in the choice of solvents - Flexibility in the organization...

FLOW DIAGRAM SOLVENT RECOVERY PLANT Air : 15.000 Nm3/h Solvent: 50 kg/h SOLVENT RECOVERY PLANT VENTILAZIONE INDUSTRIALE srl Via Adamello, 9 – 20851 Lissone (MB) – Italy www.amboso.com – info@amboso.com

FLOW DIAGRAM REGENERATIVE COMBUSTION PLANT Air : 15.000 Nm3/h Solvent: 10 - 30 kg/h REGENERATIVE COMBUSTION PLANT VENTILAZIONE INDUSTRIALE srl Via Adamello, 9 – 20851 Lissone (MB) – Italy www.amboso.com – info@amboso.com