The challenge of cross-contamination always accompanies multiple feeds processing. While it is impossible to avoid cross-contamination, it needs to be kept at a minimum. KMI’s Crown DiFlow Deodorizers are specially designed for multiple stock changes (up to 8) per day. This is a semi-continuous deodorizer where the oil is deaerated in a batch. The batch is dropped every 15-20 minutes for processing through the deodorizer.
Pre-heating by steam generated from pre-cooling tray by deodorized oil . Oil is then stripped with steam and agitated by steam lift pumps which increases the oil surface area under full vacuum therefore increasing the deodorization efficiency. Each tray acts as a single batch, minimizing cross-contamination. Heating steam is provided by high-pressure steam generated by a thermosyphon heater. FFAs and odoriferous substances are condensed in the scrubber.
Minimum product mixing.
Minimum steam requirements due to shallow layers and highest heat recovery by double thermosyphon loops.
Minimum steam consumption.
Additional heat recovery possible by heating water for boiled feed.