ScholarLens Back to search
2005•Acta Polymerica SinicaRequires access

ADSORPTION OF PHENOLIC ACIDS ON A NEW TYPE OF AMINO MODIFIED POLYSTYRENE

Chen Ling

Open publisher page 3 citations

Abstract

Amberlite XAD-4 polymeric resin was chemically modified with an amino group,which enables the resin (NDA-100) to be used directly without a wetting process.The adsorption thermodynamic and kinetic behaviors of phenol and p-hydroxybenzoic acid on NDA-100 were studied.A batch sorption experiments showed that NDA-100 resin had high sorption capacities for both phenolic acids.Equilibrium adsorption data fitted to both Langmuir and Freundlich isotherms in the studied concentration range.Adsorption was exothermic and basically of physical character.Kinetic analysis showed that the adsorption reaction could be approximated by a Lagergren pseudo-second-order-rate equation for which intraparticle diffusion was the essential rate-controlling step.

About this research paper

What this paper is about

Amberlite XAD-4 polymeric resin was chemically modified with an amino group,which enables the resin (NDA-100) to be used directly without a wetting process.The adsorption thermodynamic and kinetic behaviors of phenol and p-hydroxybenzoic acid on NDA-100 were studied.A batch sorption experiments showed that NDA-100 resin had high sorption capacities for both phenolic acids.Equilibrium adsorption data fitted to both Langmuir and Freundlich isotherms in the studied concentration range.Adsorption was exothermic and basically of physical character.Kinetic analysis showed that the adsorption reaction could be approximated by a Lagergren pseudo-second-order-rate equation for which intraparticle diffusion was the essential rate-controlling step.

Why it matters

OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Amberlite XAD-4 polymeric resin was chemically modified with an amino group,which enables the resin (NDA-100) to be used directly without a wetting process.The adsorption thermodynamic and kinetic behaviors of phenol and p-hydroxybenzoic acid on NDA-100 were studied.A batch sorption experiments showed that NDA-100 resin had high sorption capacities for both phenolic acids.Equilibrium adsorption data fitted to both Langmuir and Freundlich isotherms in the studied concentration range.Adsorption was exothermic and basically of physical character.Kinetic analysis showed that the adsorption reaction could be approximated by a Lagergren pseudo-second-order-rate equation for which intraparticle diffusion was the essential rate-controlling step.

Key concepts: Amberlite, Adsorption, Freundlich equation, Sorption, Langmuir, Phenol, Polystyrene, Diffusion

Related papers

Related paper 1Related paper 2Related paper 3
Back to paper searchBrowse research topicsOriginal source
ADSORPTION OF PHENOLIC ACIDS ON A NEW TYPE OF AMINO MODIFIED POLYSTYRENE — Research Paper | ScholarLens