Scale-up research in a dual fluidized bed gasification process

Effect of Fe-olivine on the tar content during biomass gasification in a dual fluidized bed

Cfd Simulation Scale-up of a Dual-fluidized Bed Gasifier for Biomass

The University of California in collaboration with West Biofuels, LCC, has developed an advanced thermochemical gasification system (5 ton/day) for the conversion of waste stream biomass for the production of bio-fuels and bio-energy. The “Pyrox” gasifier design is based on a dual-fluidized bed system operating at atmospheric pressure with air. Simulation of this gasifier was conducted with a n...

Process simulation and sensitivity analysis of waste plastics gasification in a fluidized bed reactor

This paper presents a simplified process simulation model of typical waste polyethylene gasification in a fluidized bed reactor using Aspen Plus. The proposed model incorporates both physical and chemical processes, including drying, pyrolysis, combustion and gasification, by using various inbuilt modules to predict the resulting product gas composition and temperature. A detailed sensitivity a...

Research on the Gas Reburning in a Circulating Fluidized Bed (CFB) System Integrated with Biomass Gasification

N2O emissions from coal fired fluidized-bed combustion are approximately 30–360 mg/Nm, much higher than that from pulverized coal combustion (less than 30 mg/Nm). One approach to reduce the N2O is to reburn the biomass gasification gas in the coal-fired fluidized bed. In this paper, the effects of gasified biomass reburning on the integrated boiler system were investigated by both simulation an...

Biomass Gasification in Fluidized Bed Gasifiers Modeling and Simulation

Using woody biomass as a resource for production of biofuel, heat and power through gasification has been studied for years. In order to reduce the cost of operating and to design the full-scale gasification plant developing a general model to be applicable for different ranges of input data with acceptable level of accuracy, is needed. In order to develop such model for the gasifier, as the ma...