发明名称 |
Distillation method and column. |
摘要 |
A distillation method and column in which a gaseous mixture is introduced into a bottom region of a packed column having a plurality packed beds using structured packing. The gaseous mixture comprises higher and lower volatility components. The packed column is operated so that the higher and lower volatility components have a relative volatility within the column in a range of between 1.05 and 1.8. In order to alleviate the effect of liquid maldistribution in the lowermost bed of such a column, the lowermost bed is sized to be between about 50% and about 80% of the height of the next overlying bed, with 80% being preferred and the total height of the packing within the column is at least about six meters. |
申请公布号 |
ZA200001880(B) |
申请公布日期 |
2000.10.31 |
申请号 |
ZA20000001880 |
申请日期 |
2000.04.13 |
申请人 |
THE BOC GROUP, INC. |
发明人 |
MARY HELEN DEAN;ROBERT M. THOROGOOD;RICHARD W. POTTHOFF;RAMACHANDRAN KRISHNAMURTHY |
分类号 |
F25J3/02;B01D3/26;B01J19/32;F25J3/04 |
主分类号 |
F25J3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|