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1. 发明授权

US4670278A Process for the condensation of a volatile-rich vapor stream 失效
标题翻译：挥发性富蒸气流冷凝的方法
公开(公告)号：US4670278A
公开(公告)日：1987-06-02
申请号：US278535
申请日：1981-06-29
申请人： John C. Healey , Anthony Wragg
发明人： John C. Healey , Anthony Wragg
IPC分类号： A23B7/02 , A23F5/50 , B01D5/00
CPC分类号： B01D5/00 , A23B7/02 , A23F5/505 , B01D5/0036
摘要： A process for the condensation of a volatile-rich vapor stream produced by a stripping operation from a vegetable or fruit product or the extract thereof, which comprises the steps of:(i) condensing a major proportion of the water present in the vapor stream using a surface condenser with water as a coolant;(ii) subjecting the condensate of step (i) to further cooling in a heat-exchanger using water at a lower temperature than that of step (i) as the coolant; and(iii) contacting the cooled condensate from step (ii) with the vapor stream issuing from the condenser of step (i) in a countercurrent absorption column.The process is particularly applicable to the condensation of a volatile-rich water vapor stream containing coffee volatiles.
摘要翻译：一种用于将通过汽提操作产生的挥发性富蒸气流从蔬菜或水果产品或其提取物冷凝的方法，其包括以下步骤：（i）使用蒸气流中存在的大部分水冷凝，使用具有水作为冷却剂的表面冷凝器; （ii）使用在比步骤（i）的温度低的水作为冷却剂的热水交换器中使步骤（i）的冷凝物进一步冷却; 和（iii）使来自步骤（ii）的冷却的冷凝物与在逆流吸收塔中从步骤（i）的冷凝器发出的蒸汽流接触。该方法特别适用于含有咖啡挥发物的挥发性富含水蒸气流的冷凝。

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