초록 ▼

Process for improving the fillability of tobacco, such as cut tobacco leaves or ribs and tobacco additives by treating the tobacco in an autoclave with a containing nitrogen and/or argon at pressures up to 1000 bar, with subsequent decompression and a gas heat treatment. The tobacco or the treatment

Process for improving the fillability of tobacco, such as cut tobacco leaves or ribs and tobacco additives by treating the tobacco in an autoclave with a containing nitrogen and/or argon at pressures up to 1000 bar, with subsequent decompression and a gas heat treatment. The tobacco or the treatment gas supplied to the reactor and/or the decompression step are carried out in such a way that the discharged tobacco which is thereafter supplied to a subsequent heat treatment has a temperature, at introduction to the heat treatment step, below 0°C. This is achieved by precooling the treatment gas prior to supplying it to the autoclave or cooling the treatment gas while supplying it to the autoclave and/or additionally cooling the autoclave and/or precooling the tobacco and/or injecting subcooled or liquefied treatment gas into the autoclave. The process includes multistage treatment gas whereby supply and decompression steps are carried out in a cascade-like manner.

대표청구항 ▼

In a process for improving the fillability of tobacco by treatment with a treatment gas containing at least one of the following: nitrogen gas, argon gas or a mixture thereof at pressures up to 1000 bar in an autoclave, decompressing the tobacco, and subjecting the tobacco to a heat treatment, the i

In a process for improving the fillability of tobacco by treatment with a treatment gas containing at least one of the following: nitrogen gas, argon gas or a mixture thereof at pressures up to 1000 bar in an autoclave, decompressing the tobacco, and subjecting the tobacco to a heat treatment, the improvement comprising: supplying the autoclave with both tobacco and treatment gas and decompressing the treated tobacco in such manner that the decompressed tobacco supplied to the subsequent heat treatment has an inlet temperature for the heat treatment of below 0°C., said treatment gas being non-polar.