Selection of Bacteria from Mamuju’s NORM as Uranium and Thorium Bioleaching Agents

Indryati, S.; Mujiyanto, A.; Widana, K. S.; Hidayat, A. E.; Rahma, F. J.; Shabirah, C. A.; Laksmana, R. I.; Pratama, A. A.; Trinopiawan, K.; Prassanti, R.; Purwanti, T.; Putra, A. W.; Sukadana, I G.; Sugoro, I.

doi:10.55981/aij.2025.1559

Akses terbuka Jurnal SINTA 1

Selection of Bacteria from Mamuju’s NORM as Uranium and Thorium Bioleaching Agents

Atom Indonesia · Vol. 51 No. 1 (2025) · hlm. 81–86

DOI: 10.55981/aij.2025.1559
ISSN: 2356-5322, 0126-1568
Terbit: 2025-04-11
Penerbit: National Research and Innovation Agency
Bahasa: eng
Lisensi: creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

Natural materials that can cause increased radiation exposure to the surrounding environment are called Naturally Occurring Radioactive Materials (NORM). NORM contains uranium and thorium, critical elements with strategic and economic value. Conventional separation methods include chemical leaching and partial precipitation with strong acids and bases. These methods require large costs and produce waste harmful to the environment. This study explores bioleaching as an efficient and eco-friendly alternative to address these limitations. The indigenous bacteria used in bioleaching were isolated directly from NORM in Mamuju. This study aims to isolate, select, and evaluate bacteria from NORM as potential bioleaching agents. The methodology of this study includes NORM characterization, bacterial isolation and selection, molecular identification, and resistance testing of selected bacteria. The study successfully isolated eight bacterial strains from NORM, among which isolate L0A demonstrated the highest bioleaching potential. After five days of incubation, L0A achieved uranium and thorium concentrations of 2.508 mg/L and 10.5946 mg/L, respectively. Molecular identification revealed that L0A belongs to Bacillus sp. These findings demonstrate the potential of Bacillus sp. L0A is a bioleaching agent, paving the way for developing efficient, sustainable, and environmentally friendly methods for extracting valuable radioactive elements from NORM.

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National Research and Innovation Agency
Syarif Hidayatullah State Islamic University Jakarta
National Nuclear Energy Agency of Indonesia
Bandung Institute of Technology
University of Indonesia
Universitas Gadjah Mada
Sebelas Maret University
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Tampilkan sebagai tabel

Rekan penulis	Organisasi	Artikel bersama
Heri Syaeful	National Research and Innovation Agency	4
Sandra Hermanto	Syarif Hidayatullah State Islamic University Jakarta	3
Ngadenin Ngadenin	National Research and Innovation Agency	3
Frederikus Dian Indrastomo	National Research and Innovation Agency	3
Fadiah Pratiwi	National Research and Innovation Agency	2
Tyto Baskara Adimedha	National Research and Innovation Agency	2
Pingkan Aditiawati	Bandung Institute of Technology	2
Dwiwahju Sasongko	Bandung Institute of Technology	2
A. Rustandi	University of Indonesia	2
Sulaksana Permana	University of Indonesia	2
Johny Wahyuadi Soedarsono	University of Indonesia	2
Agus Sumaryanto	National Nuclear Energy Agency of Indonesia	1
I Wayan Warmada	Universitas Gadjah Mada	1
Agung Harijoko	Universitas Gadjah Mada	1
A. W. Yogatama	Afiliasi tidak diketahui	1
Dea Indriani Astuti	Bandung Institute of Technology	1
Rifqi Zakiya Rahmani	Syarif Hidayatullah State Islamic University Jakarta	1
Megga Ratnasari Pikoli	Syarif Hidayatullah State Islamic University Jakarta	1
Ania Citraresmini	National Nuclear Energy Agency of Indonesia	1
Diana Fairuz	Syarif Hidayatullah State Islamic University Jakarta	1
A.P. Murni	National Nuclear Energy Agency of Indonesia	1
A. G. Muhammad	National Research and Innovation Agency	1
Yoshi Rachael	National Research and Innovation Agency	1
Ilsa Rosianna	National Research and Innovation Agency	1
Roni Cahya Ciputra	National Research and Innovation Agency	1
Adhika Junara Karunianto	National Research and Innovation Agency	1

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Sumber metadata: OAI-PMH (metadata jurnal) https://atomindonesia.brin.go.id/index.php/aij/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.

Metadata asli (oai_dc)

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	<dc:title xml:lang="en-US">Selection of Bacteria from Mamuju’s NORM as Uranium and Thorium Bioleaching Agents</dc:title>
	<dc:creator>Indryati, S.</dc:creator>
	<dc:creator>Mujiyanto, A.</dc:creator>
	<dc:creator>Widana, K. S.</dc:creator>
	<dc:creator>Hidayat, A. E.</dc:creator>
	<dc:creator>Rahma, F. J.</dc:creator>
	<dc:creator>Shabirah, C. A.</dc:creator>
	<dc:creator>Laksmana, R. I.</dc:creator>
	<dc:creator>Pratama, A. A.</dc:creator>
	<dc:creator>Trinopiawan, K.</dc:creator>
	<dc:creator>Prassanti, R.</dc:creator>
	<dc:creator>Purwanti, T.</dc:creator>
	<dc:creator>Putra, A. W.</dc:creator>
	<dc:creator>Sukadana, I G.</dc:creator>
	<dc:creator>Sugoro, I.</dc:creator>
	<dc:subject xml:lang="en-US">Bacteria; Uranium; Thorium; NORM; Britholite; Ore; Radioactive; Bioleaching; Bacillus</dc:subject>
	<dc:description xml:lang="en-US">Natural materials that can cause increased radiation exposure to the surrounding environment are called Naturally Occurring Radioactive Materials (NORM). NORM contains uranium and thorium, critical elements with strategic and economic value. Conventional separation methods include chemical leaching and partial precipitation with strong acids and bases. These methods require large costs and produce waste harmful to the environment. This study explores bioleaching as an efficient and eco-friendly alternative to address these limitations. The indigenous bacteria used in bioleaching were isolated directly from NORM in Mamuju. This study aims to isolate, select, and evaluate bacteria from NORM as potential bioleaching agents. The methodology of this study includes NORM characterization, bacterial isolation and selection, molecular identification, and resistance testing of selected bacteria. The study successfully isolated eight bacterial strains from NORM, among which isolate L0A demonstrated the highest bioleaching potential. After five days of incubation, L0A achieved uranium and thorium concentrations of 2.508 mg/L and 10.5946 mg/L, respectively. Molecular identification revealed that L0A belongs to Bacillus sp. These findings demonstrate the potential of Bacillus sp. L0A is a bioleaching agent, paving the way for developing efficient, sustainable, and environmentally friendly methods for extracting valuable radioactive elements from NORM.</dc:description>
	<dc:publisher xml:lang="en-US">National Research and Innovation Agency</dc:publisher>
	<dc:contributor xml:lang="en-US">Research Center for Nuclear Materials and Radioactive Waste Technology-BRIN</dc:contributor>
	<dc:contributor xml:lang="en-US">Reseacrh Center for Radiation Process Technology-BRIN</dc:contributor>
	<dc:date>2025-04-11</dc:date>
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	<dc:identifier>10.55981/aij.2025.1559</dc:identifier>
	<dc:source xml:lang="en-US">Atom Indonesia; Vol 51, No 1 (2025): APRIL 2025; 81-86</dc:source>
	<dc:source>2356-5322</dc:source>
	<dc:source>0126-1568</dc:source>
	<dc:source>10.55981/aij.v51i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://atomindonesia.brin.go.id/index.php/aij/article/view/1559/1164</dc:relation>
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	<dc:relation>https://atomindonesia.brin.go.id/index.php/aij/article/downloadSuppFile/1559/2667</dc:relation>
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	<dc:rights xml:lang="en-US">Copyright (c) 2025 Atom Indonesia</dc:rights>
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