Effect of Volcanic Sand-Biocarbon-Zeolith Filtration on pH, EC, and TDS values of karst groundwater

Eko Budiyanto; Muzayanah Muzayanah; Aida Kurniawati; Nugroho Hari Purnomo

doi:10.21831/gm.v21i1.57538

Effect of Volcanic Sand-Biocarbon-Zeolith Filtration on pH, EC, and TDS values of karst groundwater

Eko Budiyanto, Universitas Negeri Surabaya, Indonesia
Muzayanah Muzayanah, Universitas Negeri Surabaya, Indonesia
Aida Kurniawati, Universitas Negeri Surabaya, Indonesia
Nugroho Hari Purnomo, Universitas Negeri Surabaya, Indonesia

10.21831/gm.v21i1.57538

Abstract

Filtration is a very important process because naturally karst landscapes do not provide good protection against groundwater. This study aims to determine the effect of filtration with sand, biocarbon, and zeolite materials on the pH, EC and TDS values. The research was conducted using an experimental method using three filtration tubes filled with these three materials. Samples were taken from ten different water sources. The results of the analysis show that the filtration process of a combination of sand, biocarbon, and zeolite materials has the effect of increasing the pH value, and decreasing the EC and TDS values. The filtration process through a combination of volcanic sand, biocarbon and zeolith materials simultaneously gives a more significant change in pH, EC, and TDS values compared to filtration with these materials separately.

Keywords

Karst groundwater, Water quality, Water filtration, pH-EC-TDS

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DOI: https://doi.org/10.21831/gm.v21i1.57538