Adsorption Of Lactic Acid By Charcoal And Silica Gel

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Adsorption Of Lactic Acid By Charcoal And Silica Gel

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Author : Evelyn Minnie Cornman
language : en
Publisher:
Release Date : 1933

Adsorption Of Lactic Acid By Charcoal And Silica Gel written by Evelyn Minnie Cornman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with Adsorption categories.

Recovery And Purification Of Lactic Acid From Fermentation Broth By Adsorption

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Author : Roque Lagman Evangelista
language : en
Publisher:
Release Date : 1994

Recovery And Purification Of Lactic Acid From Fermentation Broth By Adsorption written by Roque Lagman Evangelista and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

Lactic Acid Properties And Chemistry Of Lactic Acid And Derivates

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Author : Carl Henrik Holten
language : en
Publisher: Wiley-VCH
Release Date : 1971

Lactic Acid Properties And Chemistry Of Lactic Acid And Derivates written by Carl Henrik Holten and has been published by Wiley-VCH this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Science categories.

Equilibrium Adsorption Of Hydrocarbons On Activated Charcoal And Silica Gel

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Author : William MacGregor Home
language : en
Publisher:
Release Date : 1947

Equilibrium Adsorption Of Hydrocarbons On Activated Charcoal And Silica Gel written by William MacGregor Home and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1947 with Adsorption categories.

Determination Of The Adsorption Isotherms Of Ferric Hydroxide Gel Silica Gel Activated Charcoal And Fuller S Earth

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Author : Robert Landis Hershey
language : en
Publisher:
Release Date : 1923

Determination Of The Adsorption Isotherms Of Ferric Hydroxide Gel Silica Gel Activated Charcoal And Fuller S Earth written by Robert Landis Hershey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1923 with categories.

Adsorption Of Mixed Vapours On Activated Carbon And Silica Gel

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Author :
language : en
Publisher:
Release Date : 1959

Adsorption Of Mixed Vapours On Activated Carbon And Silica Gel written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.

Multicomponent Adsorption Dynamics In The Recovery Of Acetic And Lactic Acids Using Stratified Fixed Beds

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Author : Haripriya Naidu
language : en
Publisher:
Release Date : 2020

Multicomponent Adsorption Dynamics In The Recovery Of Acetic And Lactic Acids Using Stratified Fixed Beds written by Haripriya Naidu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

Industrial acetic acid production based on anaerobic fermentation technology is not economically viable at present due to the low efficiency and high cost of product recovery by adsorption or extraction at neutral pH conditions. With the recent advances in fermentation technology to produce organic acids at low pH conditions, a detailed study on the adsorption equilibria, kinetics, and dynamics at these conditions is necessary for the design of an efficient recovery scheme. Adsorption equilibria and kinetics of acetic acid at low pH conditions on granular activated carbon (GAC) and weak base resins were studied using batch experiments. A simple nonlinear estimation method and approximations to analytical solutions of adsorption kinetic equations were developed to determine isotherm constants and kinetic parameters respectively. Weak base resins show higher adsorption capacities for the uptake of acetic acid compared to GAC. Multicomponent sorption equilibria of acetic and lactic acids were determined using the Ideal Adsorbed Solution Theory (IAST) model, and extended Langmuir and modified extended Langmuir models. The adsorption of acetic acid is shown to be controlled by both external mass transfer and intraparticle diffusion resistances in GAC and by intraparticle diffusion resistance alone in the weak base resins. The estimated transport coefficients are shown to predict batch adsorption kinetic data well. Adsorption dynamics studies were conducted using single and multicomponent solutions of acetic and lactic acids in fixed-bed adsorbers of different configurations. These studies were conducted to examine potential enhancements to bed capacity utilization and thereby the overall efficiency of the recovery process. Five different configurations, namely, a conventional cylindrical adsorber (CCA), and a tapered bed adsorber with single adsorbent particle size, a stratified cylindrical adsorber with particle sizes increasing in the direction of flow (SCA), a reverse stratified cylindrical adsorber (RSCA), and a reverse stratified convergent tapered adsorber (RSTA) were studied in this research. A general rate model that considers axial dispersion, external mass transfer, pore diffusion, and nonlinear isotherm was developed to predict sorption dynamics in single and multicomponent systems. Model predictions were in good agreement with experimental data. The adsorption dynamics and breakthrough curves for acetic acid were similar in cylindrical and tapered beds when a single adsorbent particle size was used. The solute front becomes dispersive in the SCA and sharpens in the RSTA. Among the different configurations examined, RSTA gave the maximum bed capacity utilization which is 18.4% higher than that obtained using SCA. Multicomponent sorption dynamics of acetic and lactic acids on weak base resins were conducted in RSTA at pH 2.8 and 4.8. At pH 2.8, acetic acid eluted first, while at pH 4.8 lactic acid eluted first. Sensitivity analysis has shown that to achieve 90% bed capacity utilization, two column lengths or double the quantity of adsorbent will be required in the case of SCA when compared to RSTA. The model presented will be useful in the selection of optimum operating conditions to obtain maximum bed capacity utilization, and thereby enhance the economics of the recovery of organic acids from fermentations.

The Adsorption Of Methylamine On Silica Gel Alumina Gel And Charcoal

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Author : William August Felsing
language : en
Publisher:
Release Date : 1934

The Adsorption Of Methylamine On Silica Gel Alumina Gel And Charcoal written by William August Felsing and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1934 with Aluminum oxide categories.

Bibliography Of Solid Adsorbents

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Author : Victor Reuel Deitz
language : en
Publisher:
Release Date : 1944

Bibliography Of Solid Adsorbents written by Victor Reuel Deitz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1944 with Adsorption categories.

Technique Of Organic Chemistry Adsorption And Chromatography

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Author : Arnold Weissberger
language : en
Publisher:
Release Date : 1945

Technique Of Organic Chemistry Adsorption And Chromatography written by Arnold Weissberger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with Chemistry, Organic categories.