2022
DOI: 10.1186/s13068-022-02146-6
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Energy-efficient recovery of fermented butyric acid using octyl acetate extraction

Abstract: Background A butyric acid recovery process using octyl acetate is proposed, and the design details of the extraction and subsequent distillation processes were investigated. Ternary equilibrium data for the extractor design were derived from molecular simulations and experimental measurements. Results A new procedure for estimating the thermodynamic parameters was introduced to determine the effect of the parameters on extractor design by compariso… Show more

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Cited by 7 publications
(4 citation statements)
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“…However, the boiling point of butyric acid is much higher (163.5 • C) than water (100 • C), so it requires more energy to separate from fermentation broth. To combat energy inefficient recovery, novel efforts are being made to recover butyric acid from fermentation broth [14][15][16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…However, the boiling point of butyric acid is much higher (163.5 • C) than water (100 • C), so it requires more energy to separate from fermentation broth. To combat energy inefficient recovery, novel efforts are being made to recover butyric acid from fermentation broth [14][15][16][17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…Hence, it should be recovered using energy-efficient product recovery techniques. The techniques that have been applied include extractive fermentations [1,24,25], nanofiltration [26], adsorption onto zeolite [27], CO 2 extraction under high pressure [28], and salting out extraction [29]. The basic requirements of a recovery process should be: (i) a fast rate of recovery, (ii) the recovery medium should be reusable or recyclable; (iii) it should not pose any health hazards; (iv) it should be durable or the adsorbent life should be long; and (v) it should not be toxic to the microorganism.…”
Section: Recovery Of Butyric Acidmentioning
confidence: 99%
“…Other than the use of high productivity reactors, energy-efficient product recovery systems play a major role in the economics of the production of the chemicals by fermentation. Such systems include liquid-liquid extraction [1,24], reverse electro-enhanced dialysis [25], nanofiltration membrane systems [26], adsorption onto zeolite [27], high-pressure CO 2 extraction [28], and salting-out extraction [29].…”
Section: Introductionmentioning
confidence: 99%
“…Currently, it is widely used as a mixture in biofuels. This is due to the increasing price of petroleum and the increase of world energy consumption and petroleum demand. , Thus, it is considered the more environmentally friendly energy. Besides, butyric acid is also applied in the pharmaceutical and chemical industries.…”
Section: Introductionmentioning
confidence: 99%