## Abstract Since pervaporation performance of ethanol‐permselective silicalite membrane, which is an aluminum‐free hydrophobic zeolite, in the separation of fermentation broths by yeast are negatively affected by succinic acid, the potential of pervaporation using silicone rubber‐coated silicalite
Production of highly concentrated ethanol in a coupled fermentation/pervaporation process using silicalite membranes
✍ Scribed by T. Ikegami; H. Yanagishita; D. Kitamoto; K. Haraya; T. Nakane; H. Matsuda; N. Koura; T. Sano
- Book ID
- 110371599
- Publisher
- Springer-Verlag
- Year
- 1997
- Tongue
- English
- Weight
- 424 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0951-208X
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## Abstract For the production of highly concentrated bioethanol by pervaporation using an ethanol‐permselective silicalite membrane, pervaporation performance was investigated using a silicalite membrane entirely covered with a silicone rubber sheet to prevent direct contact with acidic compounds.
## Abstract **BACKGROUND:** Pervaporation employing ethanol‐permselective silicalite membranes as an alternative to distillation is a promising approach for refining low‐concentration bioethanol solutions. However, to make the separation process practicable, it is extremely important to avoid the p
## Abstract **BACKGROUND:** A closed‐circulating system for ethanol fermentation was constructed by coupling a cell‐immobilized bed fermentor with pervaporation using a composite PDMS membrane. A continuous fermentation experiment was carried out for about 250 h in the system at 28 °C. **RESULTS:*