Application of activated Na-zeolite a as a water softening agent to remove Ca2+and Mg2+ions from water

Eny Kusrini, Natasya Mareta Mualim, Arif Rahman, Anwar Usman

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, we report the Ca2+ and Mg2+ cation exchange activities of the synthesized Na-zeolite A, which was synthesized from Indonesian Bangka kaolin by hydrothermal method. The application of activated Na-zeolite A as water softener was studied. The objective of this research is to observe the activated Na-zeolite A as a water softening agent to remove simultaneously the Ca2+ and Mg2+ ions from water solution. In principle, activated zeolite-A can be used as a water softener using the ion exchange concept. Atomic absorption spectroscopy (AAS) technique was applied for quantitative analysis of the remaining cations content in water samples after treatment with activated Na-zeolite A as adsorbent for the removal of Ca2+ and Mg2+ ions. The adsorbent dosage of activated Na-zeolite A was varied in the range between 30 mg to 2 g and also the contact times were varied from 0 to 90 min. The highest removal efficiency of Ca2+ (95.97%) and Mg2+ (94.93%) from hard water were Na-zeolite A as adsorbent for Ca2+ and Mg2+ removal from water. These properties of the activated Na-zeolite A suggested that it is suitable and effectively used in hard water softening and detergent building for Ca2+ and Mg2+ removing.

Original languageEnglish
Title of host publication4th International Tropical Renewable Energy Conference, i-TREC 2019
EditorsEny Kusrini, I. Gde Dharma Nugraha
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735420144
DOIs
Publication statusPublished - 3 Sep 2020
Event4th International Tropical Renewable Energy Conference 2019, i-TREC 2019 - Bali, Indonesia
Duration: 14 Aug 201916 Aug 2019

Publication series

NameAIP Conference Proceedings
Volume2255
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference4th International Tropical Renewable Energy Conference 2019, i-TREC 2019
Country/TerritoryIndonesia
CityBali
Period14/08/1916/08/19

Keywords

  • Adsorbent
  • Hard water
  • Na-zeolite A
  • Removal of Caand Mg
  • Water softening

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