Candle Demisters and Entrainment Separators

These are generally available as stainless steel or glass fibre pads or as candles (special 

Plant engineers to indicate their preference for the direction of flow of gases (laden with mist) through the candle demisters, i.e. whether outside-in or inside-out. This will determine fitting of candles on tube sheet). Outside — in offers more area for filtration as compared to inside out. 

Seal pots shall be installed inside the absorber to collect the mist droplets from bottom of the candles and drain them by themselves into the absorber. 

Electrical tripping interconnection shall be provided to stop the gas flow/trip the blower/stop feeding the raw materials/firing in the furnace if the scrubbing liquor pump fails to deliver due to any reasons. Audio visual alarms may also be provided if the emission of pollutants is more Irom the chimney. 

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