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All Journal Al-Kimia CHEMVIRO : Jurnal Kimia dan Ilmu Lingkungan
Novianty, Iin
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Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science

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Immobilization of Pseudomonas aeruginosa FNCC-0063 on Calcium Alginate and Its Application as Bioabsorbent Novianty, Iin; Suratman, Adhitasari; Mudasir
Al-Kimia Vol 11 No 1 (2023): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v11i1.36326

Abstract

Biosorption of Cu (II) using bacteria Pseudomonas aeruginosa FNCC-0063 was immobilized on calcium alginate (PAI). This research examined the effect of various parameters such as pH, contact time, and initial Cu (II) concentration. The biosorption mechanism of Cu (II) was studied by sequential desorption with H2O, KNO3 1 M, HNO3 0.5 M and Na2EDTA 0.1 M. Cu (II) concentration was analyzed using atomic absorption spectrophotometer (AAS). The results showed that optimum Cu (II) ion biosorption occurred at a pH biosorption rate constant of 0.03724 g mg-1.min-1. The kinetics studies showed that Cu (II) biosorption follows pseudo-second-order. The biosorption capacities of 36.60 mg/g. Cu (II) Biosorption followed the Freundlich equation, as shown by a high correlation coefficient (R2) of about 0.99. Ionic bonds dominated the biosorption mechanism of Cu (II) ion on immobilized PAI.
Analisis Proksimat Karbon Aktif Bunga Lontar (Borassus flabellifer L) Teraktivasi Asam Fosfat Novianty, Iin
Jurnal Kimia dan Ilmu Lingkungan: Chemviro Vol. 3 No. 1 (2025): Vol. 3 No. 1 (2025)
Publisher : Universitas Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56071/chemviro.v3i1.1200

Abstract

This research aims to determine the chemical properties of activated carbon from palm flowers. Making activated carbon using the drum kiln method. Activation is carried out chemically using phosphoric acid (H3PO4). Proximate analysis is carried out to determine the chemical properties of the carbon produced. The results obtained in this study were water, ash, volatile matter and bound carbon content respectively 8.72%, 21.86%, 4.48% and 73.66%.
Co-Authors Adhitasari Suratman Mudasir