This cabinet manufacturer was adding capacity with new spray booths and was also looking for ways to lower their operating costs. They had experienced problems with their existing RCO (Regenerative Catalytic Oxidizer). They were assuming they would have to install a new oxidizer. MEGTEC Systems evaluated the options and came up with a lower cost solution.
Dry Air Scrubber for Propylene Oxide
Background For decades, Advanced Air Technologies, Inc. has been the leader in air scrubber technology for abatement of Ethylene Oxide (EtO) emissions. In fact, AAT, Inc. was founded in 1987 on a unique dry scrubbing, chemi-sorption process for EtO. The result is a series of fixed bed “Safe-Cell II” dry scrubbers, consisting of the DR-490, DR-50, and DR-MAC-150. The DR-490 is the staple for commercial scale aeration exhaust, while the DR-50 is used on exhaust from small hospital sterilizers. The...
Oxidative treatment of diclofenac via ferrate(VI) in aqueous media: effect of surfactant additives
The potential reaction of diclofenac (DCF) with ferrate(VI) and influences of coexisting surfactants have not been investigated in depth, and are the focus of this study. The results demonstrated that DCF reacted effectively and rapidly with Fe(VI) and approximately 75% of DCF (0.03 mM) was removed by excess Fe(VI) (0.45 mM) within 10 min. All of the reactions followed pseudo first-order kinetics with respect to DCF and Fe(VI), where the apparent second-order rate constant (kapp) was 5.07 M−1 s−1 at pH 9.0....
Media Replacement Restores Plant Capacity and Improves Flow
Operating Issue A recycling facility that processes waste bakery products experienced significant reductions in airflow capacity, which negatively impacted their production rates. The bottleneck was a two-chamber RTO (Regenerative Thermal Oxidizer) system that took forever to start, suffered significant chamber-temperature imbalances and contained ineffective ceramic media. Factors that caused the media beds to clog were particulate load in the airstream, unfit ceramic media selection, and the original installatio...
Antimicrobial Action of BiOn filtration media
Bi-Onis an air filtration media used in fruit and vegetable sold storage to eliminate harmful volatile compounds, especially ethylene, and sanitize the air. The filtration media is composed of potassium permanganate, its active ingredient, and natural clays. Potassium permanganate is a chemical compound which is widely known for its oxidizing and disinfectant properties. It is used in the treatment of waste water, both for the elimination of compounds that are toxic, corrosive or cause unpleasant odours, and to...
Oxidizer Media Replacement Restores Performance for Containers-Manufacture
Operating Issue A manufacturer of metal containers encountered major operating problems with their Eisenmann 40,000 SCFM Regenerative Thermal Oxidizer (RTO) that hindered their production performance and caused major concern regarding an upcoming air compliance test. The overall pressure drop across the system was high and the pressure imbalances negatively impacted their process flow-rates. Due to these unfavorable conditions, the manufacturer was forced to increase media bake-outs to once a month and in doing...