This paper presents results of experimental and numerical investigations into the hydrodynamics of a bench scale bubble column reactor countercurrent bubble. We developed and evaluated a spatiotemporal metabolic model for bubble column reactors with the syngas fermenting bacterium clostridium. Special emphasis is placed on the population balance modeling of the bubble coalescence and breakage processes in two-phase bubble column reactors. This research developed a comprehensive computer model for a lab-scale slurry bubble column reactor (sbcr) (01 m dt and 25 m height).
Bubble columns are intensively used as multiphase contactors and reactors in chemical, biochemical and petrochemical industries they provide several. Abstract bubble column reactors, with or without solid particles, have a number of applications in the chemical, petrochemical, biochemical and environmental. Cfd for the design and optimization of slurry bubble column reactors by omar m basha and badie i morsi submitted: april 24th 2017reviewed: september. Measurements on bubble columns in our laboratories as well as at our is a key parameter for the design of efficiently operating bubble column reactors.
Reactor, concurrent bubble column, back flow cell model chlorination of ethylene wasexperimentally investigated in a boiling bubblecolumnreactor with a . Development of a computational multiphase flow model for fischer tropsch synthesis in a slurry bubble column reactor xix international conference on. Bubble column reactors are multiphase contactors based on the dispersion of a gas those reactors present many advantages such as good heat and mass.
Bubble columns are intensively used as multiphase contactors and reactors in columns the heat transfer rate in gas–liquid bubble columns is reported to be. The design, modeling, optimization and scaleup of slurry bubble column reactors (sbcrs) require, among others, the knowledge of the kinetics. The simulation of two-phase flow for an experimental airlift reactor (32-l volume) using commercially available software from fluent incorporated is presented.
Bubble column reactors quak foo leedepartment of chemical and biological engineering the university of british columbia. Compared with the two airlift reactors (a split-cylinder and a draft-tube sparged device, both of aspect ratio 91), the bubble column (aspect ratio ¼ 91) had a. Citation: ghani sa, yaqub rj, saleh ss (2012) experimental study of volumetric mass transfer coefficients in slurry bubble column reactor j chem eng. Mathematical modeling of a two-phase bubble-column reactor for biodiesel production from alternative feedstocks a thesis submitted to.
In its most simple form a bubble column reactor basically consists of a vertical the liquid flow rate passing through a bubble column is usually very low. Power point presentation on bubble column reactor. Mass transfer in a bubble column is analyzed in a different perspective the experiments were performed in a bubble column reactor that was.
Bubble column reactors (bcr) are contactors in which a discontinuous gas phase moves in the form of bubbles relative to a continuous liquid phase.