手法を比較

	吸着等温線（ランミュア・フレンドリッヒ）	CSTRモデル
分野	応用物理学	応用物理学
系統	Process / pipeline	Process / pipeline
提唱年	1918	1962
提唱者	Irving Langmuir	Octave Levenspiel
種類	Empirical and theoretical adsorption equilibrium model	Mathematical model for continuous flow reactor
原典	Langmuir, I. (1918). The adsorption of gases on plane surfaces of glass, mica, and platinum. Journal of the American Chemical Society, 40(9), 1361-1403.	Levenspiel, O. (1999). Chemical Reaction Engineering (3rd ed.). John Wiley & Sons. ISBN: 978-0-471-25424-9
別名	Langmuir isotherm, Freundlich isotherm, sorption equilibrium	ideal mixed reactor, back-mix reactor, CSTR
関連	3	3
概要	Adsorption isotherms describe the equilibrium uptake of a substance on a solid surface as a function of gas or solution phase concentration at constant temperature. The Langmuir isotherm (1918) and Freundlich isotherm (1906) are classical empirical models. The Langmuir model assumes monolayer coverage and is mechanistic; the Freundlich model is empirical and describes multilayer or heterogeneous adsorption. These isotherms are essential for designing separation processes (activated carbon filters, molecular sieves) and understanding pollutant sorption.	The CSTR (Continuous Stirred-Tank Reactor) model describes the behavior of an ideal mixed reactor where fresh feed is continuously added, products are withdrawn, and contents are kept uniform by vigorous stirring. This fundamental model, formalized by Octave Levenspiel in the 1960s, is widely used to design and scale batch and continuous processes. Despite its simplicity, it captures essential dynamics of industrial reactors and is the baseline for process control and optimization.