given B.P of n butanol is 119 C and flash point of butanol is 80 C REQIRED B.P for butanol is 230 C and flash point required is 110 where as flash point of dietylene glycol is 145C and B.P of dietylene glycol is 245
Your question is interesting, Nevertheless, it's not clear, you write ethanol, you mean butanol? are you sure the F.P. of ethanol is 80°C?
You can edit the question and add some supplementary information.
I can add only a simple preliminary idea:
Through our investigation on the viscosity temperature dependence, there is causal correlation between B.P and Arrhenius parameters. So, if the activation energy of ethylene glycol is greater than the butanol, mixing can increases the temperature of vaporization, ....
Another note:
You must know the isobaric diagram liquid-vapor, i think.
Elevating the flashpoint above what? Using DEG in a combustion system is questionable when so many other options provide for cleaner burning fuel. Is that the goal?
If you could bind buthanol with DEG. Your porpose should be attained.
Clean burning (low VOC emission) is of key importance...so is maintaining fuel value in a system with a flashpoint (TCC) above 100 F. The surface tension and viscosity of the resulting material must also be minimal.
Hi everyone,
How do I raise the boiling point and the flash point of bioethanol?please help.
Boiling point elevation may be possible by forming a azeotrope with water and various other higher BP organics. The FP can be elevated by reducing the VP by several means. If viscosity is not a problem, consider the use of an appropriate cellulose ether.
- Badges
- Science topic
- Similar topics
- Physical Sciences
- Materials Science
- Materials Chemistry