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Mercury removal from gold mining wastewater using palm oil fuel ash (POFA)

Journal of Degraded and Mining Lands Management · Vol. 9 No. 3 (2022) · pp. 3525–3531

DOI
10.15243/jdmlm.2022.093.3525
ISSN
2502-2458, 2339-076X
Published
2022-04-01
Publisher
Brawijaya University
Language
eng
License
creativecommons.org/licenses/by-nc/4.0

Abstract

Mercury is a harmful element that commonly accumulates in the environment through anthropogenic activities such as gold mining. This study aimed to examine the use of palm oil fuel ash (POFA) as an agricultural waste to remove mercury in gold mining wastewater. The technology applied in this study was adsorption and precipitation. POFA was first washed until neutral then mixed with gold mining effluent with time variation of 30, 60, 90 minutes. Next, precipitate it for 30 minutes. The adsorbent dose used in this study was 250 mg with 1 litre effluent. The maximum adsorption efficiency observed in this study was 96.77%. The utilization of POFA as an adsorbent reduced mercury levels in wastewater below the allowed released mercury level to the environment (0.0025 mg Hg/L). Results indicate that reducing mercury from gold mining wastewater by utilizing POFA was simple, effective, and low-cost to be implemented.

Keywords

Collaboration network of the authors

40 authors · 115 co-authorship links · showing the 40 most connected

Hover or tap a name to highlight its co-authors. Double-click to open the author's page.

  • Hasanuddin University
  • University of Mataram
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Badariah BadariahAffiliation unknown12
Hariestya ViarecoAffiliation unknown4
Trias NovitaAffiliation unknown4
Jasminarni JasminarniAffiliation unknown4
Saldi YulistianAffiliation unknown4
Oki AlfernandoAffiliation unknown3
Sosiawan NusiferaAffiliation unknown2
Sri RahayuHasanuddin University2
Hamzah HamzahAffiliation unknown2
Sudarsono SudarsonoAffiliation unknown2
Patricia Permata Putri PaneAffiliation unknown2
Firdaus AkbarAffiliation unknown2
Gandhi Ihza FadliAffiliation unknown1
Mukhsin MukhsinAffiliation unknown1
Elis KartikaAffiliation unknown1
Yesi OktaviaAffiliation unknown1
Buhaira BuhairaAffiliation unknown1
Helmi SalimAffiliation unknown1
Ahmad Nurro ZikinAffiliation unknown1
Zulkarnain ZulkarnainUniversity of Mataram1
Indah Sri Ulina TariganAffiliation unknown1
Mukhzarudfa MukhzarudfaAffiliation unknown1
Yudi YudiAffiliation unknown1
Wiwik TiswiyantiAffiliation unknown1
Muhammad Hafidz Ibnu KhaldunAffiliation unknown1
Freddy IlfanAffiliation unknown1
Tri Syukria PutraAffiliation unknown1
Feerzet AchmadAffiliation unknown1
Lince MuisAffiliation unknown1
Pandapotan Maruli Tua ManurungAffiliation unknown1
Aldillah HerlambangAffiliation unknown1
Suandi SuandiAffiliation unknown1
Meri ArisandiAffiliation unknown1
Bukri BukriAffiliation unknown1
Anis Tatik MariyaniAffiliation unknown1
Irianto IriantoAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) http://jdmlm.ub.ac.id/index.php/jdmlm/oai, first harvested 9 Nov 2026, last seen 9 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en-US">Mercury removal from gold mining wastewater using palm oil fuel ash (POFA)</dc:title>
	<dc:creator>Rainiyati, Rainiyati</dc:creator>
	<dc:creator>Riduan, Ahmad</dc:creator>
	<dc:creator>Heraningsih, Sarah Fiebrina</dc:creator>
	<dc:creator>Mukhtasida, Bunga Andari</dc:creator>
	<dc:subject xml:lang="en-US">adsorption</dc:subject>
	<dc:subject xml:lang="en-US">agricultural waste</dc:subject>
	<dc:subject xml:lang="en-US">gold mining wastewater</dc:subject>
	<dc:subject xml:lang="en-US">mercury removal</dc:subject>
	<dc:subject xml:lang="en-US">palm oil fuel ash (POFA)</dc:subject>
	<dc:description xml:lang="en-US">Mercury is a harmful element that commonly accumulates in the environment through anthropogenic activities such as gold mining. This study aimed to examine the use of palm oil fuel ash (POFA) as an agricultural waste to remove mercury in gold mining wastewater. The technology applied in this study was adsorption and precipitation. POFA was first washed until neutral then mixed with gold mining effluent with time variation of 30, 60, 90 minutes. Next, precipitate it for 30 minutes. The adsorbent dose used in this study was 250 mg with 1 litre effluent. The maximum adsorption efficiency observed in this study was 96.77%. The utilization of POFA as an adsorbent reduced mercury levels in wastewater below the allowed released mercury level to the environment (0.0025 mg Hg/L). Results indicate that reducing mercury from gold mining wastewater by utilizing POFA was simple, effective, and low-cost to be implemented.</dc:description>
	<dc:publisher xml:lang="en-US">Brawijaya University</dc:publisher>
	<dc:date>2022-04-01</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/1149</dc:identifier>
	<dc:identifier>10.15243/jdmlm.2022.093.3525</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Degraded and Mining Lands Management; Vol. 9 No. 3 (2022); 3525-3531</dc:source>
	<dc:source>2502-2458</dc:source>
	<dc:source>2339-076X</dc:source>
	<dc:source>10.15243/jdmlm.2022.093</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/1149/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2022 Journal of Degraded and Mining Lands Management</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>