Research Works

My research interests cover a number of topics within the fields of Fluidization, Multi-Phase Reaction Engineering and Powder Technology

 

Research areas

Multiphase flow measurement

Carbon nanotubes (papers on CNTs)

Turbulent Fluidized Bed.

Circulating Fluidized Bed

Green Chemical Process

Nano particle processing

 Carbon nanotube structure control and mass production

200mm long charity consistence semi-conductor trip walled CNT, growth rate can be 80mrcons/sec, Adv. Mater. 2010, 22, 1–5(front cover story)

 

Carbon nanotube double helix array Angew. Chem. Int. Ed. 2010, 49, 1 5 hot paper

Energy-Absorbing Hybrid Composites Based on Alternate Carbon-Nanotube and Inorganic Layers Adv. Mater. 2009, 21, 2876–2880 (highlight)

Hierarchical Composites of Single/Double-Walled Carbon Nanotubes Interlinked Flakes from Direct Carbon Deposition on Layered Double Hydroxides

Adv. Funct. Mater. 2010, 20, 677–685.(front cover story)

Mass production of aggregated and well aligned CNTFluidized bed mass production of CNT500tones/year

http://www.flotu.org/homepages/weifei/resear29.jpg

http://www.flotu.org/homepages/weifei/resear30.jpg

CNT growth on the surface of ball

http://www.flotu.org/homepages/weifei/resear20.jpg

 

Gas Solids multiphase flow Measurement

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l  Particle velocity measurement by LDV/PDA in high concertration gas solids flow

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1.         Bing Du L. S. Fan Fei Wei, W. Warsito, Gas and Solids Mixing in a Turbulent fluidized bed, AIChE Journal, 2002.9, 1896-1909

2.        Liu H, Wei F, Yang YH, Jin Y, Mixing behavior of wide-size-distribution particles in a FCC riser, POWDER TECHNOLOGY, 132 (1): 25-29 MAY 29 2003

3.        Cang Huang, Zhen Qian, Minghui Zhang, Fei Wei, Solids mixing in a down-flow circulating fluidized bed of 0.418-m in diameter, Powder technology, 2005, 161 (1): 48-52 JAN 10 2006

4.        53.    Du B, Wei F, Lateral solids mixing behavior of different particles in a riser with FCC particles as fluidized material, CHEMICAL ENGINEERING AND PROCESSING, 2002.4, 41 (4): 329-335

5.        Wei Fei, Cheng Yi, Jin Yong, Yu Zhiqing, Axial and Lateral Dispersion of Fine Particles in a Binary-Solid Riser, Canadian Journal of Chemical Engineering, 1998.1, 76(1)19-26

6.        Xing Ran, Fei Wei, Zhanwen Wang, Yong Jin, Lateral solids dispersion in a high density riser with swirling air flow , Powder Technology, 2001.11, 121, 123-130

7.        Yang YH, Jia XL, Wei F, Hydrodynamics and lateral gas dispersion in a high-density circulating fluidized bed reactor with bluff internals, CHINESE J CHEM ENG , 2001.8, 9 (3): 291-296 

8.        Wei Fei, Lin Shixiong and Yang Guanghua, Gas and Solids Mixing in a Commercial FCC Regenerator, Chemical Engineering & Technology , 1993.3, 16(3), p109-113

9.        Wei Fei, Wang Zhangwen, Jin Yong, Yu Zhiqing and Chen Wei, Dispersion of Lateral and Axial Solids Mixing in a Cocurrent Downflow Circulating Fluidized Bed, Powder Technology, 1994.12, 81(1) 25-30

10.    Wei Fei, Chen Wei, Jin Yong and Yu Zhiqing, Lateral and Axial Solids Mixing of Dispersed particle in a Circulating Fluidized Bed, Journal of Chemical Engineering of Japan, 1995.2, 28 506-510.

11.    Wei Fei and Zhu Jinxiu, Effect of Flow Direction on the Solids Mixing in the Riser and Downer of CFB, Chemical Engineering Journal, 1996.2, 64 345-352

12.    Hao Yu, Qunfeng Zhang, Guangsheng Gu, Yao Wang, Guohua Luo, and Fei Wei, Hydrodynamics and Gas Mixing in a Carbon Nanotube Agglomerate Fluidized Bed, AIChE J., Vol. 52, No. 12, 2006

13.    Qiang Zhang, Cang Huang, Dong Jiang, XiaoboWei, Zhen Qian, FeiWei ,Particle Measurement Sensor for in situ determination of phase structure of fluidized bed, Particuology, 7 (2009) 175–182

14.    Cang Huang, Yao Wang, Fei Wei , Solids mixing behavior in a nano-agglomerate fluidized bed, Powder Technology, Volume 182, Issue 3, 10 March 2008, Pages 334-341

 

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Gas-solid Turbulent Fluidized Bed
 

l  Flowdynamics, gas and solids mixing in Turbulent fluidized bed

l  Scale-up and Engineering aspect of turbulent fluidized bed reactor

l  Propylene ammoxidation to Arcylonitrile turbulent fluidized bed reactor (70KT/a)3 unit

http://www.flotu.org/homepages/weifei/resear25.jpg

l  Acetylene with vinegar to vinyl acetate  turbulent fluidized bed (30KT/a) 10 unit

l  Nitribenzen hydrogenation to aniline multistage turbulent fluidized bed reactor (100 KT/a)10 unit