نتایج جستجو برای: fluidized bed reactor

تعداد نتایج: 76360  

2004
J. Ruud van Ommen John Nijenhuis Ton C.P.M. Backx Freek Kapteijn Jacob A. Moulijn

Polyethylene (PE) and polypropylene (PP) make up for a large part of the total worldwide polymer production. Originally, both polymers were often produced in solution processes. However, fluidized bed reactors for polyethylene and polypropylene production gain increasing industrial interest because of the relatively low production costs, the ability to produce a wide range of polymer grades, an...

2009
ZHIGANG CUI XIANGXIN HAN XIUMIN JIANG JIANGUO LIU

In this paper, the effect of fluidized bed temperature on primary fragmentation of Huadian oil shale was investigated experimentally in thermal state using a small-scale fluidized bed with N2 as fluidizing gas. The fluidized-bed temperatures changed from 600 °C to 1000 °C. Experimental results indicate that the fluidized bed temperature is an important factor of primary fragmentation of oil sha...

2012

An accurate prediction of the minimum fluidization velocity is a crucial hydrodynamic aspect of the design of fluidized bed reactors. Common approaches for the prediction of the minimum fluidization velocities of binary-solid fluidized beds are first discussed here. The data of our own careful experimental investigation involving a binary-solid pair fluidized with water is presented. The effect...

Journal: :Canadian Journal of Chemical Engineering 2022

Abstract A compartmental one‐dimensional model of a fluidized bed pyrolytic converter biomass is presented. Reference conditions are those non‐catalytic fast pyrolysis in shallow with external regeneration the material. The fate and resulting char has been modelled by considering elutriation particles, attrition as well drain/regeneration. course primary secondary pyrolitic reactions according ...

2018
Sara Tejedor-Sanz Patricia Fernández-Labrador Steven Hart Cesar I. Torres Abraham Esteve-Núñez

In this study, we designed a microbial electrochemical fluidized bed reactor (ME-FBR), with an electroconductive anodic bed made of activated carbon particles for treating a brewery wastewater. Under a batch operating mode, acetate and propionate consumption rates were 13-fold and 2.4-fold higher, respectively, when the fluidized anode was polarized (0.2 V) with respect to open circuit conditio...

2017
Ivan Petelkov Rositsa Denkova Vesela Shopska Georgi Kostov Zapryana Denkova Bogdan Goranov Vasil Iliev

A method for formalization and analytical determination of the kinetic parameters of continuous alcohol fermentation in a reactor and in a cascade of reactors with ideal mixing was discussed in the present work. A fluidized bed bioreactor with immobilized yeast with elucidated structure of the flows was used. The method of formalization of the process kinetics involved two steps – determination...

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