Since it is clear that bio-oil fractionation with water is effective, this part focused on making the
process more efficient by reducing the stirring speed in the process. Instead of 6000 rpm, the speed was
reduced to 3400 rpm, a speed that is achievable by normal, inexpensive motors, which would be more
practical for building a fractionators prototype.
The results, listed in Table 34 in the columns denoted as experiment #17, show that the fractionation
could be done as effectively as at a higher speed (experiment #11) and with a little higher yield. The
obtained lignin-rich WIF had much lower acidity, lower water content, and higher heating value than those of
the starting bio-oil.
Since it is clear that bio-oil fractionation with water is effective, this part focused on making theprocess more efficient by reducing the stirring speed in the process. Instead of 6000 rpm, the speed wasreduced to 3400 rpm, a speed that is achievable by normal, inexpensive motors, which would be morepractical for building a fractionators prototype.The results, listed in Table 34 in the columns denoted as experiment #17, show that the fractionationcould be done as effectively as at a higher speed (experiment #11) and with a little higher yield. Theobtained lignin-rich WIF had much lower acidity, lower water content, and higher heating value than those ofthe starting bio-oil.
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