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Converting/Coating

Coating PicWith over 30 years experience in the supply of abatement equipment into the converting and coating market segments, Pro-Environmental is well qualified to insure safe and compliant air abatement systems.

The Pro-Environmental line of equipment, ranging from direct flame oxidizers through recuperative and regenerative thermal and catalytic oxidizers provides solutions for handling both high and low VOC concentration emissions.

Heat recovery efficiency is balanced against the VOC energy availability to provide the lowest overall operating and equipment capital costs.

Where applicable, secondary heat recovery can be employed to produce energy for process or building heating requirements.
Case Studies [ View All Case Studies ]

Converting & Coating - Chlorinated Solvents
Situation
A major coater of plastic film needed a large RTO to handle emissions comprising chlorinated solvents and conventional (non-halogenated) solvents.
Chlorinated solvents, when oxidized at high temperatures, are converted to hydrogen chloride gas (HCl).
When HCl is present, any moisture in the air flow would create hydrochloric acid. Failure to design properly for this would result in excessive corrosion and shortened life for any wetted metal surfaces.
Solution Provided
A multi-canister RTO, sized to handle 170,000 SCFM was provided, as was a caustic scrubber designed to convert the acid gas to harmless sodium chloride (NaCl) that could be legally sewered.
It was decided that we would use a combination of acid brick, insulating blocks, and an engineered polymer shield to prevent acid from damaging the inside of the RTO shell.
Type of Product
Regenerative Thermal Oxidizer and Caustic Scrubber..[Read More]
EPA - Compliance
Extensive testing was conducted to prove compliance with all governmental regulations. Additional testing, over and above any regulatory requirement, was done to ensure that the presence of chlorides did not result in formation of dioxins and furans.



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