Chemical modification of pectin to improve its sorption properties

Kupchik, L. A.; Кartel, M. T.; Bogdanov, E. S.; Bogdanova, Olga; Kupchik, Michael

doi:10.1134/s1070427206030256

Cited by 20 publications

(11 citation statements)

References 5 publications

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“…The main functional groups of pectin are hydroxyl, carboxyl, amide, and methoxyl. These functional groups can be used to bind heavy metals, especially hydroxyl groups [11].…”

Section: Introductionmentioning

confidence: 99%

The Role of Pectin in Pb Binding by Carrot Peel Biosorbents: Isoterm Adsorption Study

Hastuti

Totiana

Winiasih

2018

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Cheaply and abundantly biosorption available materials such as carrot peels can be a cost-efficient method for removing heavy metals from wastewater. To investigate the role pectin plays in metal binding by carrot peels, commerce pectin was compared. FTIR spectra confirmed the presence of carboxyl and hydroxyl groups in commerce pectin and carrot pectin. Isoterm experiments showed that all materials could remove Pb (II) ion. All of materials binding Pb (II) follow Freundlich models adsorption. The commerce pectin bindsPb (II) by involving energy 16.6 KJ/mole whereas pectin from carrot peel involves energy 21.09 KJ/mole. It indicates that commerce pectin binds the Pb (II) by physics adsorption whereas pectin from carrot peel by physics and chemical adsorption.

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“…The main functional groups of pectin are hydroxyl, carboxyl, amide, and methoxyl. These functional groups can be used to bind heavy metals, especially hydroxyl groups [11].…”

Section: Introductionmentioning

confidence: 99%

The Role of Pectin in Pb Binding by Carrot Peel Biosorbents: Isoterm Adsorption Study

Hastuti

Totiana

Winiasih

2018

IOP Conf. Ser.: Mater. Sci. Eng.

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“…FTIR spectra of pec. (c) are characteristically at 3380 cm -1 which indicated of the OH group vibration 19 . The absorption peak at 1750 cm -1 showed of C=O ester group [20].…”

Section: Resultsmentioning

confidence: 99%

“…These functional groups, especially the carboxyl groups, are potential for biosorption of heavy metal ion 18 . Heavy metal ions react with free carboxyl groups of pectin to form insoluble complexes 19 .…”

Section: Introductionmentioning

confidence: 99%

Preparation of Pb(II)-Carboxymethyl Chitosan Pec PEGDE Film as Selective Asorbent for Removal Pb(II) Ion

Hastuti¹,

Mudasir²,

Siswanta³

et al. 2017

Orient. J. Chem

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The aims of this research is to synthesize Pb(II)-Carboxymethyl Chitosan-Pectin crosslinked Polyethylene Glycol Diglisidyl Ether (Pb(II)-CCPecP) film by using templated ion of Pb 2+ as selective adsorbent for Pb(II) ion. The structure of Pb(II)-CCPecP film adsorbent were characterized by FT-IR and scanning electron microscopy (SEM). The adsorption properties of Pb(II)-CCPecP film adsorbent in order to adsorp of Pb(II) ion in presence Cu(II) and Zn(II) were evaluated. FT-IR showed visible peak at 3441 and 1628 cm -1 indicate the film adsorbent have -COOH and -OH active group. The SEM of Pb(II)-CCPecP film show smoother surface and some holes and gaps are formed. The optimum condition for adsorption of Pb(II) ions by Pb(II)-CCPecP film adsorbent was occur at pH 5 and 200 min contacting time. The adsorption of Pb(II)-CCPecP film adsorbent toward Pb 2+ was higher compared with Zn 2+ and Cu 2+ metal ion. The results revealed that the film was capable to removal of Pb(II) ion selectively in solution containing single metal ion or coexistence of three metals ion of Zn 2+ and Cu 2+ .

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“…In plant cell walls, these binding sites are occupied with calcium ions, which are removed during industrial extraction and processing of pectin, or dissociated in the stomach acidic medium upon ingestion. In addition, hydrolysis of pectin increases its metal-binding capacity (49). Heavy metal ions then can be absorbed by the oligogalacturonate or mobilized into complexes with galacturonic acid.…”

Section: Beneficial Therapeutic Effects Of Pectic Substances In Vivomentioning

confidence: 99%

Food‐Related Carbohydrate Ligands for Galectins

2008

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Chemical modification of pectin to improve its sorption properties

Cited by 20 publications

References 5 publications

The Role of Pectin in Pb Binding by Carrot Peel Biosorbents: Isoterm Adsorption Study

The Role of Pectin in Pb Binding by Carrot Peel Biosorbents: Isoterm Adsorption Study

Preparation of Pb(II)-Carboxymethyl Chitosan Pec PEGDE Film as Selective Asorbent for Removal Pb(II) Ion

Food‐Related Carbohydrate Ligands for Galectins

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