Abstract: In situ product recovery（ISPR）technology is nowadays regarded to be able to alleviate efficiently the inhibition of ethanol on yeast cell viability in the process of fermentation. Besides，ISPR technology has the advantage of low energy consumption in comparison with the traditional distillation method for the recovery of bio-ethanol from its fermentation broth. This paper is focused on the methodologies based on the ISPR of bio-ethanol coupled with adsorption separation process. The commonly used adsorbents（zeolite，silicalite，activated carbon，resin，biosorbent，et al.），desorption methods（thermal desorption，microwave irradiation desorption）and coupling modes（in situ internal coupling，external recycling coupling）used in the production of bio-ethanol are summarized and reviewed. More attention should be focused on developing desirable adsorbents and choosing appropriate desorption methods in the future.

Key words: bio-ethanol, adsorbent, desorption technology, in situ product recovery

摘要： 原位产物分离技术可以解除发酵过程中产生的乙醇对酵母细胞生长的抑制作用。与传统蒸馏相比，原位产物分离可以极大地降低乙醇的分离能耗。分析和评述了乙醇发酵与吸附分离耦合工艺中涉及的吸附剂类型（如沸石、硅质岩、活性炭、树脂及生物质吸附剂等），脱附方法（如常规热脱附、微波辐照脱附）和耦合模式（如原位耦合模式、异位耦合模式）。提出今后的研究重点在于开发出优良的吸附剂和选择合适的脱附方法。

关键词: 生物乙醇, 吸附介质, 脱附技术, 原位分离