Recovering Acetic Acid from Diluted Solutions
Author Information
Author(s): Roncal Tomás, Aguirre Ainhoa, Belaustegui Yolanda, Andrés Elisabet
Primary Institution: TECNALIA, Basque Research and Technology Alliance (BRTA)
Hypothesis
Can a mixed bed ion exchange resin effectively recover and purify acetic acid from extremely diluted solutions?
Conclusion
The study demonstrates a successful method for recovering and purifying acetic acid from very diluted solutions, achieving high purity and concentration.
Supporting Evidence
- The process achieved a recovery yield of 90.3% for acetic acid.
- The final solution had a purity of 96.9% after purification.
- Acetic acid concentration was increased by 15 times compared to the original solution.
Takeaway
This study shows how to clean and concentrate acetic acid from very weak solutions using special materials, making it easier to use in industries.
Methodology
The process involves demineralization followed by treatment with a mixed bed ion exchange resin and step-elution with sulfuric acid.
Limitations
The study primarily uses synthetic solutions, which may not fully represent real fermentation broths.
Digital Object Identifier (DOI)
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