British American Tobacco P21.pdf - Corby Borough Council
British American Tobacco P21.pdf - Corby Borough Council
British American Tobacco P21.pdf - Corby Borough Council
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Pollution Prevention & Control Act 1999<br />
Permit Ref No.P21<br />
Process Description<br />
1.1 The process involves the processing of tobacco in the form of lamina by<br />
subjecting it to steaming, wetting, cutting, and expansion in a cryogenic<br />
process involving carbon dioxide, to produce tobacco for cigarette<br />
manufacture at other premises. The installation includes the treating,<br />
handling and storage of any materials used in and products and wastes<br />
produced by the process.<br />
.<br />
This main plant consists of:<br />
One Direct Casing and Conditioning Cylinder (DCCC) for adjustment of the<br />
tobacco moisture content. Two impregnator vessels for each of the process<br />
lines, each line having the capacity to process 1000 kg/hr of moist, dry iced<br />
impregnated tobacco.<br />
1.2 The process has the following discharge points to atmosphere:<br />
i. A single discharge point of air extraction from the plant discharging<br />
through a dust recovery filter.<br />
ii. A single discharge point for the hot gasses used to bring about cell<br />
expansion<br />
iii. A single discharge point from the air extraction to the infeed and<br />
outfeed ends of the Direct Casing and Conditioning Cylinder<br />
(DCCC)<br />
iv. A single roof fan to the part of the building housing the cell<br />
expansion process.<br />
Local Air Pollution Prevention & Control 5
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