| 摘要 |
<p>PCT No. PCT/NL92/00191 Sec. 371 Date Apr. 22, 1994 Sec. 102(e) Date Apr. 22, 1994 PCT Filed Oct. 27, 1992 PCT Pub. No. WO93/08936 PCT Pub. Date May 13, 1993.A method for removing one or more contaminations from a bulk material, the bulk material being fed into a treating chamber (1), exposed therein to a temperature treatment and then discharged. According to the invention, the bulk material is exposed to a vacuum treatment during temperature treatment. An apparatus according to the invention for the implementation of the method comprises a treating chamber (1) for treating contaminated bulk material therein, feeding means (2) for feeding the bulk material to the treating chamber (1), discharging means (9) for discharging the bulk material from the treating chamber and heating means (19) for heating the bulk material in the treating chamber. The apparatus also includes a vacuum forming means (16) for forming a vacuum in the treating chamber.</p> |
