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Nonlinear frequency response method for estimation of single solute adsorption isotherms. Part II Experimental study
(Pergamon-Elsevier Science Ltd, Oxford, 2007)
The aim of this paper is to investigate the possibility of applying a nonlinear frequency response (FR) method described by Ilic et al. [2007b. Nonlinear frequency response method for estimation of single solute adsorption ...
Solids flow pattern in gas-flowing solids-fixed bed contactors. Part I Experimental
(Pergamon-Elsevier Science Ltd, Oxford, 2009)
An experimental investigation of the solids flow pattern in gas-flowing solids-fixed bed contactors is presented. The apparatus and procedures for determining the dynamic and static solids holdups, solids residence time ...
Nonlinear frequency response functions of a chromatographic column - A critical evaluation of their potential for estimation of single solute adsorption isotherms
(Pergamon-Elsevier Science Ltd, Oxford, 2007)
Nonlinear frequency response analysis is applied to study single component adsorption in chromatographic columns. Single component adsorption isotherms can be estimated from local derivatives of the adsorption isotherm at ...
Solids flow pattern in gas-flowing solids-fixed bed contactors. Part II Mathematical modeling
(Pergamon-Elsevier Science Ltd, Oxford, 2009)
In this paper a mathematical model for solids flow in gas-flowing solids-fixed bed contactors is developed. The presented four-parameter model assumes plug flow with axial dispersion in the dynamic, fast moving solids zone ...
Evaluation of periodic operation of a trickle-bed reactor based on empirical modeling
(Pergamon-Elsevier Science Ltd, Oxford, 2010)
In this paper, we propose a new procedure for fast evaluation of the potential of periodic operations in trickle-bed reactors, based on empirical modeling. Step response experiments, with different input amplitudes, were ...
Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis
(Pergamon-Elsevier Science Ltd, Oxford, 2010)
The concept of higher-order frequency response functions (FRFs), which is based on Volterra series representation of nonlineral systems, is used to analyse the time-average performance of a perfectly mixed reactor subject ...
Some practical aspects of nonlinear frequency response method for investigation of adsorption equilibrium and kinetics
(Pergamon-Elsevier Science Ltd, Oxford, 2012)
Some practical aspects regarding application of the nonlinear frequency response (NFR) method for investigation of gas adsorption: choice of the optimal mass of the adsorbent, frequency range and input amplitude, are studied ...
Nonlinear Frequency Response measurements of gas adsorption equilibrium and kinetics: New apparatus and experimental verification
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
A new apparatus for experimental validation of the Nonlinear Frequency Response (NFR) method for investigation of gas adsorption is presented. The apparatus has been designed as a batch adsorber with sinusoidal modulation ...
Reactor conceptual design by optimization for hydrogen production through intensified sorption- and membrane-enhanced water-gas shift reaction
(Pergamon-Elsevier Science Ltd, Oxford, 2020)
In this feasibility study, a novel industrial-scale reactor structure for continuous hydrogen production via intensified water-gas shift (WGS) reaction is proposed. It considers both trickling calcium-oxide sorbent for ...
Nonlinear frequency response analysis of forced periodic operation of non-isothermal CSTR with simultaneous modulation of inlet concentration and inlet temperature
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
The nonlinear frequency response (NFR) method is applied for evaluation of possible improvement through simultaneous periodic modulation of two inputs of a non-isothermal continuously stirred tank reactor (CSTR) in which ...