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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Menchavez, Russel Navarro Ha, Sung Ho |
| Description | Author Affiliation: Menchavez RN ( Department of Biological Engineering, Inha University, Incheon, 402-751, Republic of Korea.) |
| Abstract | The search for renewable sources of energy has led to renewed interests on the biochemical route for the production of butanol. Butanol production suffers from several drawbacks, mainly caused by butanol inhibition to the butanol-producing microorganism which makes it economically uncompetitive against the chemical process. One possible solution proposed is the in situ recovery of acetone-butanol-ethanol (ABE). Among the in situ recovery options, membrane processes like pervaporation have a great potential. Thus, the effects of temperature, feed concentration, and ultrasound irradiation on permeate concentration and permeation flux for the recovery of butanol/ABE by pervaporation from aqueous solutions were investigated in this study. In the butanol-water system, permeate butanol concentration as well as flux increased with an increase in temperature and butanol feed concentration. When pervaporation studies with ABE-water mixture were carried out at 60 °C for 2, 4, 8, 16, and 24 h, pervaporation profile revealed an optimal permeate concentration as well as permeation flux. Applications of ultrasound irradiation on pervaporation improved permeate concentration by about 23 g/L for both butanol and ABE. Ultrasound irradiation also improved butanol and ABE mass permeation flux by about 13 and 11 %, respectively. |
| File Format | HTM / HTML |
| ISSN | 02732289 |
| Issue Number | 5 |
| Volume Number | 171 |
| e-ISSN | 15590291 |
| Journal | Applied Biochemistry and Biotechnology |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2013-11-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biochemistry Discipline Biotechnology Acetone Isolation & Purification Biotechnology Methods Butanols Ethanol Chemistry Phase Transition Temperature Evaluation Studies Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology |
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