JP3821235B2 - エタノールの発酵濃縮システム - Google Patents
エタノールの発酵濃縮システム Download PDFInfo
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- JP3821235B2 JP3821235B2 JP2004097710A JP2004097710A JP3821235B2 JP 3821235 B2 JP3821235 B2 JP 3821235B2 JP 2004097710 A JP2004097710 A JP 2004097710A JP 2004097710 A JP2004097710 A JP 2004097710A JP 3821235 B2 JP3821235 B2 JP 3821235B2
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- JP
- Japan
- Prior art keywords
- ethanol
- membrane
- concentration
- aqueous solution
- gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Separation Using Semi-Permeable Membranes (AREA)
Description
燃料として用いるエタノールは高濃度(99.5%以上)でなければならず、従来にあっては蒸留によって濃度を高めている。しかしながら、蒸留には多大なエネルギーを必要とし、特に水/エタノールは共沸点を有するため、濃縮には限界がある。
2…攪拌機
3…循環路
4…膜モジュール
5…脱水膜
6…戻し管
7…ゲート膜
7a…多孔質高密度基材
7b…細孔
7c…ゲル化合物
8…浸透気化膜
9…戻し管
10…バッファタンク
11…液面検出計
12…簡易センサー
13…供給管
14…精密ろ過膜
Claims (3)
- エタノール発酵槽内のエタノール水溶液を取り出して再びエタノール発酵槽に戻す循環路に所定濃度以上のエタノール水溶液に対して開となるゲート膜を設け、このゲート膜をエタノール水溶液が透過したことを感知したならば、エタノール発酵槽内のエタノール水溶液を浸透気化膜に供給し、浸透気化膜を透過した高濃度のエタノール水溶液については次工程に送り込み、浸透気化膜を透過しないエタノール水溶液についてはエタノール発酵槽内に戻すことを特徴とするエタノールの濃縮システム。
- 請求項1に記載のエタノールの発酵濃縮システムにおいて、前記浸透気化膜の下流側に更にエタノールの濃度を高めるための脱水膜を配置したことを特徴とするエタノールの濃縮システム。
- 請求項1または請求項2のいずれか1項に記載のエタノールの濃縮システムにおいて、前 記浸透気化膜の上流側に精密ろ過膜を配置したことを特徴とするエタノールの濃縮システ ム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004097710A JP3821235B2 (ja) | 2004-03-30 | 2004-03-30 | エタノールの発酵濃縮システム |
Applications Claiming Priority (1)
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JP2004097710A JP3821235B2 (ja) | 2004-03-30 | 2004-03-30 | エタノールの発酵濃縮システム |
Publications (2)
Publication Number | Publication Date |
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JP2005279455A JP2005279455A (ja) | 2005-10-13 |
JP3821235B2 true JP3821235B2 (ja) | 2006-09-13 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004097710A Expired - Fee Related JP3821235B2 (ja) | 2004-03-30 | 2004-03-30 | エタノールの発酵濃縮システム |
Country Status (1)
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JP (1) | JP3821235B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI494339B (zh) | 2012-10-23 | 2015-08-01 | Ind Tech Res Inst | 部分酯化環氧樹脂及應用其製成之環氧樹脂組成物及其製法 |
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2004
- 2004-03-30 JP JP2004097710A patent/JP3821235B2/ja not_active Expired - Fee Related
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JP2005279455A (ja) | 2005-10-13 |
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