Liu, Lande - Huddersfield University - Department of Chemistry and Chemical Engineering

个人简介

Lande Liu is a Senior Lecturer in Chemical Engineering at the University of Huddersfield. Prior to Huddersfield, he held a Lectureship in the same discipline at the University of Manchester from 2010 to 2014. Before his appointment in Manchester, Lande was an industrial consultant for two years until 2010 and held research fellowships in Leeds and Sheffield Universities until 2008. Lande gained his PhD from the University of Sheffield in 2004. He was also a visiting PhD in Twente University of the Netherlands in 2002. Before his study in Sheffield, Lande had a MEng degree in chemical engineering, a first degree in applied mathematics and worked in Tsinghua until 1999. Lande teaches core chemical engineering courses ranging from transport phenomena to unit operations and chemical engineering design. His research interest lies in the fundamental aspects of the interactions between particles across length scales from molecular, nano to granular largely based on his kinetic theory of aggregation.

研究领域

Perhaps far from noticed, particle aggregation is quite a common phenomenon in many natural and industrial systems. For instance, formation of kidney stone and the clog of blood vessels in human body even the formation of stars in outer space can be said to have something to do with aggregation. Most chemical and engineering processes also involve particles, of large or small, of reactive or non-reactive and of soft or hard, or a mixing of them. The accomplishment (process and product quality assurances) of the processes depends on the successful collision between the particles, i.e., for chemical reaction (conversion of materials), it is fundamentally the Arrhenius Law that determines the reaction rate; while for non-chemical reaction (no change in materials but size), it is the collision success factor (aggregation coefficient) that determines the rate of particle size growing. Some typical processes of the latter include crystallization, emulsification and granulation. Kinetic theory of aggregation is developed in dealing with the behavior of the particles in such systems – the effect of aggregation on conservation laws and constitutive relations in particular how the collision success factor can be calculated. The key element in this newly developed aggregation kinetic theory is the analytical expression of the collision success factor that has created a fundamental link between the interaction energy of particles and the aggregation coefficient thus the aggregation rate constant. This theory has been successfully applied to nano and granular flow systems. Much effort of using this theory is now being put into the prediction of the primary nucleation for initial crystallization.

近期论文

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Liu, L (2015) ‘Aggregation of Silica Nanoparticles in an Aqueous Suspension’ AIChE Journal . ISSN 0001-1541 Liu, L (2015) ‘Effects of aggregation on the kinetic properties of particles in fluidised bed granulation’ Powder Technology , 271, pp. 278-291. ISSN 0032-5910 Liu, L., Li, R., Collins, S., Wang, X., Tweedie, R. and Primrose, K. (2011) ‘Ultrasound spectroscopy and electrical resistance tomography for online characterisation of concentrated emulsions in crossflow membrane emulsifications’ Powder Technology , 213 (1-3), pp. 123-131. ISSN 0032-5910 Liu, L (2011) ‘Kinetic theory of aggregation in granular flow’ AlChE Journal , 57 (12), pp. 3331-3343. ISSN 0001-1541 Liu, L., Akay, G. and Tong, L. (2011) ‘Population balance modelling for a flow induced phase inversion based granulation in a two-dimensional rotating agglomerator’ Chemical Engineering Research and Design , 89 (1), pp. 39-47. ISSN 0263-8762 Liu, L (2010) ‘Population balance modelling for high concentration nanoparticle sizing with ultrasound spectroscopy’ Powder Technology , 203 (3), pp. 469-476. ISSN 0032-5910 Liu, L (2009) ‘Application of ultrasound spectroscopy for nanoparticle sizing in high concentration suspensions: A factor analysis on the effects of concentration and frequency’ Chemical Engineering Science , 64 (23), pp. 5036-5042. ISSN 0009-2509 Li, R., Liu, L., Wang, X., Tweedie, R., Primrose, K., Corbett, J. and McNeil-Watson, F. (2009) ‘Multivariate Statistical Control of Emulsion and Nanoparticle Slurry Processes Based on Process Tomography, Dynamic Light Scattering, and Acoustic Sensor Data’ Computer Aided Chemical Engineering , 27, pp. 1317-1322. ISSN 1570-7946 Wang, X., Liu, L., Li, R., Tweedie, R., Primrose, K., Corbett, J. and McNeil-Watson, F. (2009) ‘Online characterisation of nanoparticle suspensions using dynamic light scattering, ultrasound spectroscopy and process tomography’ Chemical Engineering Research and Design , 87 (6), pp. 874-884. ISSN 0263-8762 Wang, X., Liu, L., Li, R., Tweedie, R., Primrose, K., Corbett, J. and McNeil-Watson, F. (2009) ‘Online monitoring of nanoparticle suspensions using dynamic light scattering, ultrasound spectroscopy and process tomography’ Computer Aided Chemical Engineering , 26, pp. 351-356. ISSN 1570-7946