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在搅拌槽中含惰性颗粒的液液固三相体系的液液传质特性
方静; 杨超; 禹耕之; 毛在砂
2005
Source Publication化工学报
Issue08Pages:1479-1483
Other AbstractVolumetric liquid-liquid mass transfer coefficients ( k _La) were determined for liquid-liquid-solid dispersion in a mechanical ly agitated baffled tank by using a conductivity probe.The effects of agitation speed, inert glass bead or PET particle diameter, type of impeller, impeller-to -bottom clearance, and the solids mass fraction on the mass transfer of the typ ical liquid-liquid extraction system (n-butanol-deionized water-succinic acid) were studied. The experimental results indicated that k_La incre ased in liquid-liquid and liquid-liquid-solid systems when agitation speed in creased. The addition of glass beads enhanced the liquid-liquid mass transfer c oefficients, but PET particles decreased the mass transfer rate. In both liquid -liquid and liquid-liquid-solid systems, the Rushton impeller is the most eff icient one for mass transfer. The mass transfer coefficient showed a maximum in glass beads systems but decreased slightly in PET systems as the fraction of so lid phase increased.For the Rushton impeller, k_La showed a minimum for glass beads systems and increased linearly with the increase of clearance for P ET particles.
Keyword液液固体系 相间传质 搅拌槽 电导率
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/4847
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
方静,杨超,禹耕之,等. 在搅拌槽中含惰性颗粒的液液固三相体系的液液传质特性[J]. 化工学报,2005(08):1479-1483.
APA 方静,杨超,禹耕之,&毛在砂.(2005).在搅拌槽中含惰性颗粒的液液固三相体系的液液传质特性.化工学报(08),1479-1483.
MLA 方静,et al."在搅拌槽中含惰性颗粒的液液固三相体系的液液传质特性".化工学报 .08(2005):1479-1483.
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