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All Journal Jurnal Neutrino
Istighfarini, Vina Nurul
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Physics

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A LOW-COST ADSORBENT COCONUT WASTE ASH ACTIVATED NaCl FOR METHYLENE BLUE REMOVAL Pujiana, Nurliza; Yulianti, Eny; Rahmatulloh, Arief; Khalifah, Susi Nurul; Istighfarini, Vina Nurul
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 12, No 2 (2020): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v12i2.8208

Abstract

Removal methylene blue from water using coconut waste ash activated by NaCl is studied in this paper. The characteristic of morphology and pore structure of coconut waste ash is analyzed using SEM, show that pores were formed after activation. XRF analysis revealed that the coconut waste ash before activation contains 20,19 % of Si. The effect of NaCl concentration on the adsorption behavior is investigated. The results show that the optimum concentration of NaCl to activating the coconut waste ash is 300 ppm. The adsorption capacity of coconut waste ash without activation, NaCl-activated coconut waste ash on 200 ppm, 300 ppm, and 400 ppm is 1.103 mg/g, 1.152 mg/g, 1.2102 mg/g, and 1.1109 mg/g respectively.
CHARACTERIZATION AND EFFECTIVENESS OF MORINGA OLEIFERA SEEDS EXTRACT AS A PHOSPHATE COAGULANT Sya’banah, Nishfu; Yulianti, Eny; Istighfarini, Vina Nurul; Lutfia, Fadilah Nor Laili
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 12, No 2 (2020): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (500.648 KB) | DOI: 10.18860/neu.v12i2.8369

Abstract

In this research, Moringa oleifera seeds extract has been shown the ability as a coagulation agent. The molecules that act as the coagulation agents were the proteins which were obtained by the extraction process of the Moringa seeds using NaCl solution. The aim of this research was to characterize and test the effectiveness of the Moringa seeds extract as a phosphate coagulant. The determination of the coagulation process was carried out using a Jar Test method of phosphate solution samples, and then effectiveness the samples were analyzed using a UV-Vis spectroscopy after-treatment of the coagulant dose variations, depositional time, and the pH variations of the samples. The characterization of the extract functional groups was determined using an FTIR spectroscopy. The results of the coagulation phosphate sample examinations showed that the optimum dose of the coagulant was 80 mL/L, with a decrease in the initial phosphate concentration of 17 ppm to 13.58 ppm. The reduction effect of precipitation time and pH also was obtained in this research. The optimum precipitation time and pH were in 30 minutes and pH 8, which reduced the phosphate concentration to 11.697 and 9.6 ppm, respectively. The FTIR spectra of Moringa oleifera seeds extracts before and after interacting with phosphate showed their differences. The interactions between the extract and phosphate were demonstrated by the appearance of buckling vibrations at wavenumbers 1064.2 cm-1, 799.8 cm-1, and 668.8 cm-1. The results of this study indicated that the Moringa seeds extraction with NaCl has potential as a phosphate coagulation agent.
Co-Authors Eny Yulianti, Eny Lutfia, Fadilah Nor Laili Pujiana, Nurliza Rahmatulloh, Arief Susi Nurul Khalifah Sya’banah, Nishfu