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Chemcial Industry and Engineering 2022, Vol. 39 Issue (4) :57-64    DOI: 10.13353/j.issn.1004.9533.20210379
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Improving the light component of alcohol ketone tar by hydrodynamic cavitation
ZHU Ying1, ZHAO Zhixi1, LU Na1, MA Fengyun2, YE Yufang1, SU Zhi3
1. School of Chemistry and Chemical Engineering, Xinjiang Normal University, Xinjiang Key Laboratory of Energy Storage and Photoelectrocatalytic Materials, Urumqi 830054, China;
2. School of Chemical Engineering, Xinjiang University, Urumqi 830046, China;
3. School of Energy and Chemical Engineering, Xinjiang Institute of Technology, Xinjiang Aksu 843100, China

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Abstract In order to improve the utilization rate of alcohol ketone tar, which was a by-product in the production of adipic acid, in this study, hydrodynamic cavitation technology was used to increase the content of light components in alcohol-ketone tar at ≤160 ℃. The effects of temperature, inlet pressure, V(methanol)∶V(water) mixed content, pH and cycle time on the lightweight of alcohol-ketone tar were investigated by single factor experiments. On the basis of single factor experiments, orthogonal experiments were used to determine the optimal operation conditions. When the temperature is 80 ℃, the inlet pressure is 2.5 MPa, the mixed content of V(methanol)∶V(water) is 1.0∶1.0, the pH is 4, and the cycle time is 70 min, the percentage change of fractions at ≤160 ℃ is 37.62%. In addition, the energy utilization in the process of hydraulic cavitation was calculated. When the inlet pressure is 2.5 MPa, the cycle time is 70 min, the total energy used to dissipate the actual energy is 5.78×106 kJ·m-3.
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ZHU Ying
ZHAO Zhixi
LU Na
MA Fengyun
YE Yufang
SU Zhi
Keywordsalcohol ketone tar   hydrodynamic cavitation   lightweight   adipic acid     
Received 2021-06-09;
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ZHU Ying, ZHAO Zhixi, LU Na, MA Fengyun, YE Yufang, SU Zhi.Improving the light component of alcohol ketone tar by hydrodynamic cavitation[J]  Chemcial Industry and Engineering, 2022,V39(4): 57-64
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