Open AccessModelling of ozone multiphase flow behaviour in an ozonolysis pretreatment reactor
Author(s) -
Amnani Shamjuddin,
Nurul Suhada Ab Rasid,
Wan Nor Nadyaini Wan Omar,
Makam Mba Michele Raissa,
Nor Aishah Saidina Amin
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1053/1/012109
Subject(s) - ozonolysis , ozone , multiphysics , biomass (ecology) , lignin , multiphase flow , computational fluid dynamics , pressure drop , lignocellulosic biomass , materials science , bioreactor , environmental science , chemical engineering , pulp and paper industry , chemistry , mechanics , organic chemistry , engineering , geology , oceanography , physics , structural engineering , finite element method
Ozonolysis pretreatment of lignocellulosic biomass (LB) is envisaged as a green and effective method to selectively remove lignin for subsequent bio-based processing. Herein, this study investigates the ozone multiphase flow behaviour of an ozonolysis pretreatment reactor for lignin degradation of oil palm empty fruit bunch (EFB). A coupled transport-reaction model is simulated using Computational Fluid Dynamic (CFD) via COMSOL Multiphysics® software to visualize the ozone multiphase flow behaviour in non-porous and porous bed regions. Numerical findings indicate the pressure drop across porous bed linearly increases with superficial ozone velocity. Simulation results also reveal that the relative pressure across the biomass bed reduces by reducing the biomass bed length. The present work provides preliminary insights for ozonolysis reactor design and optimum operations of biomass pretreatment for up-scaling and commercialization purposes.