Quantitative analysis -- manufacturing Furfural from bagasse

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SUMMARY

This discussion focuses on the manufacturing of Furfural from bagasse using a reactor at atmospheric pressure, with diluted Sulphuric acid as a catalyst and NaCl to enhance selectivity. The user seeks to determine the percentage purity of furfural in both the distillate and residue, which contain furfural, H2SO4, and water, as well as salt in the residue. Challenges with gas chromatography due to issues like volatility and thermal stability have led the user to consider alternative quantitative analysis methods such as Raman spectroscopy and FTIR. The user is also exploring NMR as a potential solution for assessing purity.

PREREQUISITES
  • Understanding of Furfural production processes
  • Knowledge of quantitative analysis techniques
  • Familiarity with gas chromatography limitations
  • Basic principles of spectroscopy (Raman, FTIR, NMR)
NEXT STEPS
  • Research quantitative analysis methods for purity assessment
  • Learn about Raman spectroscopy applications in chemical analysis
  • Investigate FTIR techniques for analyzing complex mixtures
  • Explore NMR spectroscopy for determining component concentrations
USEFUL FOR

Chemical engineers, researchers in analytical chemistry, and professionals involved in the production and quality control of Furfural and similar compounds.

Gandhar NImkar
Hello everyone..

Here is the thing I am working on a project where I am manufacturing Furfural from bagasse. The reaction is thermodynamically possible. I took some amount of bagasse and added it to a reactor at atmospheric pressure. I then added diluted Sulphuric acid which acts as catalyst, NaCl ( to increase the selectivity of furfural) and indirectly heated the mixture to produce furfural vapours which later were cooled. Now my problem is i want to find out the percentage purity of furfural distillate and residue as both has furfural, H2So4, and water (in distillate) and furfural, H2So4, water and salt ( in residue). I approached many institutes which had gas chromatography but were not compatible. So I am planning to use quantitative analysis to find approximate amount of each component I searched many times on internet but was disappointed. So I thought you guys might help me out.

Thankyou in advance.
 
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what about raman or ftir? what were the hang ups for gas chromatography (volatilizing, volatility, thermal stability, derivitization)? maybe NMR?
 
dipstik said:
what about raman or ftir? what were the hang ups for gas chromatography (volatilizing, volatility, thermal stability, derivitization)? maybe NMR?

They said our product was corrosive as it was high in concentration as the mixture was distilled to get our product and they also needed a transparent pure furfural but the furfural we ordered for comparing our product with was 98% pure and was of dark brown color. So i was searching for quantitative analysis to find approximate percentage purity.
 

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