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Strip redrying
Leaf within the strip silos will generally have a moisture
content of about 20%. The redrying process kills most
bacteria and gives the product a uniform moisture content.
The redryer is a large sectionalized apron dryer up to
40 meters long. The tobacco is evenly spread on the apron,
where hot air (between 60 and 70°C) dries it to a moisture
level of approximately 7%. Each drying section
has its own hot air supply system. Some of the circulating
air is drawn off as vapor.
Finally the tobacco is cooled and remoistened to a moisture
content of about 11%.
Pressing
After the redrying process, the strips are pressed
into bales, typically sized for C48 cases, occasionally
for hogsheads or other sizes.
Stem redrying and packing
The process for redrying stems is similar to the one
for redrying strips.
Once redried, stems are graded through a series of
sieves and product is boxed off.
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