HARDNESS WATER REMOVAL BY USING CELLULOSE PAPYRUS FIBERS (Borrasus flabelifer L) FROM EAST NUSA TENGGARA MODIFIED WITH CITRIC ACID

Anna Apriani Maniuk Solo; Barlah  Rumhayati; Masruri

doi:10.29244/medkon.28.2.129-134

Environmental analysis and spatial modeling Indonesia

Anna Apriani Maniuk Solo⁽¹⁾ , Barlah Rumhayati⁽²⁾ , Masruri⁽³⁾

(1) Universitas San Pedro,

(2) Department of Chemistry, Faculty of Mathematics and Natural Science, Brawijaya University,

(3) Department of Chemistry, Faculty of Mathematics and Natural Science, Brawijaya University

https://doi.org/10.29244/medkon.28.2.129-134

Issue
Vol. 28 No. 2 (2023): Media Konservasi Vol 28 No 2 Agustus 2023

Submitted
June 6, 2022

Published
August 7, 2023

Keywords:

hardness water

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Abstract

Hardness water removal using adsorbent ester cellulose citrate from Papyrus Fibers (Borrasus flabelifer L) from East Nusa Tenggara modified with citric acid has been done. The Adsorbent was modified with 0.6 mol/L citric acid at 120^o C for one-half hour. The Adsorbent ester cellulose citrate from papyrus fibers (Borassus flabelifer L) has an ester carbonyl functional group (C=O) and O-H alcohol active group (O-H), which react to Ca²⁺ and Mg²⁺ from hardness water. The effects of adsorption conditions, such as contact time, pH, and hardness water concentrations were studied. The result shows that ester cellulose citrate from Papyrus Fibers (Borrasus flabelifer L) can remove hard water. The best condition for adsorption hardness water using ester cellulose citrate adsorbent from papyrus fibers in 6 h contact time with pH 6 and 250 mg/L as CaCO3 hardness water. The hardness of water removal is up to 71%.

Key words: adsorbent; agricultural waste; citric modified; estererification; hardness water

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Authors

Anna Apriani Maniuk Solo

Universitas San Pedro

annaamsolo@gmail.com (Primary Contact)

Barlah Rumhayati

Department of Chemistry, Faculty of Mathematics and Natural Science, Brawijaya University

Masruri

Department of Chemistry, Faculty of Mathematics and Natural Science, Brawijaya University

[1]

Solo, A.A.M. et al. 2023. HARDNESS WATER REMOVAL BY USING CELLULOSE PAPYRUS FIBERS (Borrasus flabelifer L) FROM EAST NUSA TENGGARA MODIFIED WITH CITRIC ACID. Media Konservasi. 28, 2 (Aug. 2023), 129–134. DOI:https://doi.org/10.29244/medkon.28.2.129-134.

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[1]

Solo, A.A.M. et al. 2023. HARDNESS WATER REMOVAL BY USING CELLULOSE PAPYRUS FIBERS (Borrasus flabelifer L) FROM EAST NUSA TENGGARA MODIFIED WITH CITRIC ACID. Media Konservasi. 28, 2 (Aug. 2023), 129–134. DOI:https://doi.org/10.29244/medkon.28.2.129-134.