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Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier

Liquid semiconductor waste has become a serious problem to the environment due to the toxicity of heavy metals in the wastewater. However the monetary value of precious metals such as gold, silver and palladium has become a great concern nowadays. Therefore this study is investigating the recovery o...

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Main Authors:	Othman, Norasikin, Mohamed Noah, Norul Fatiha, Harruddin, Norlisa, Abdullah, Nurul Ashida, Bachok, Siti Khadijah
格式:	Article
出版:	Penerbit UTM Press 2014
主题:	TP Chemical technology
在线阅读:	http://eprints.utm.my/id/eprint/62547/ http://dx.doi.org/10.11113/jt.v69.3386
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id	my.utm.62547
record_format	eprints
spelling	my.utm.625472017-06-18T06:12:26Z http://eprints.utm.my/id/eprint/62547/ Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier Othman, Norasikin Mohamed Noah, Norul Fatiha Harruddin, Norlisa Abdullah, Nurul Ashida Bachok, Siti Khadijah TP Chemical technology Liquid semiconductor waste has become a serious problem to the environment due to the toxicity of heavy metals in the wastewater. However the monetary value of precious metals such as gold, silver and palladium has become a great concern nowadays. Therefore this study is investigating the recovery of palladium by emulsion liquid membrane (ELM) process using di-(2-ethylhexyl) phosphoric acid (D2EHPA) as a carrier. The important parameters affecting the extraction of palladium such as concentrations of carrier and stripping agents, extraction time and treat ratio were investigate. This experiment was conducted using a mixer-settler in a batch system. The results showed that more than 90% of palladium was extracted using 0.05M D2EHPA, 0.1 M H2SO4 as a stripping agent, 5 minutes extraction time, and 1:3 treat ratio. However, the study on emulsion stability showed unstable results due to the leakage and swelling occurrence during the extraction process. As a conclusion, the research shows that ELM has the potential to extract palladium from simulated waste solution using D2EHPA as a mobile carrier. Penerbit UTM Press 2014 Article PeerReviewed Othman, Norasikin and Mohamed Noah, Norul Fatiha and Harruddin, Norlisa and Abdullah, Nurul Ashida and Bachok, Siti Khadijah (2014) Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier. Jurnal Teknologi (Sciences and Engineering), 69 (9). pp. 1-4. ISSN 0127-9696 http://dx.doi.org/10.11113/jt.v69.3386 DOI:10.11113/jt.v69.3386
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TP Chemical technology
spellingShingle	TP Chemical technology Othman, Norasikin Mohamed Noah, Norul Fatiha Harruddin, Norlisa Abdullah, Nurul Ashida Bachok, Siti Khadijah Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier
description	Liquid semiconductor waste has become a serious problem to the environment due to the toxicity of heavy metals in the wastewater. However the monetary value of precious metals such as gold, silver and palladium has become a great concern nowadays. Therefore this study is investigating the recovery of palladium by emulsion liquid membrane (ELM) process using di-(2-ethylhexyl) phosphoric acid (D2EHPA) as a carrier. The important parameters affecting the extraction of palladium such as concentrations of carrier and stripping agents, extraction time and treat ratio were investigate. This experiment was conducted using a mixer-settler in a batch system. The results showed that more than 90% of palladium was extracted using 0.05M D2EHPA, 0.1 M H2SO4 as a stripping agent, 5 minutes extraction time, and 1:3 treat ratio. However, the study on emulsion stability showed unstable results due to the leakage and swelling occurrence during the extraction process. As a conclusion, the research shows that ELM has the potential to extract palladium from simulated waste solution using D2EHPA as a mobile carrier.
format	Article
author	Othman, Norasikin Mohamed Noah, Norul Fatiha Harruddin, Norlisa Abdullah, Nurul Ashida Bachok, Siti Khadijah
author_facet	Othman, Norasikin Mohamed Noah, Norul Fatiha Harruddin, Norlisa Abdullah, Nurul Ashida Bachok, Siti Khadijah
author_sort	Othman, Norasikin
title	Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier
title_short	Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier
title_full	Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier
title_fullStr	Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier
title_full_unstemmed	Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier
title_sort	selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using d2ehpa as a mobile carrier
publisher	Penerbit UTM Press
publishDate	2014
url	http://eprints.utm.my/id/eprint/62547/ http://dx.doi.org/10.11113/jt.v69.3386
_version_	1643655451694333952
score	13.251813

Selective extraction of palladium from simulated liquid waste solution by emulsion liquid membrane process using D2EHPA as a mobile carrier

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