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	<title>acid leaching &#8211; BIOENGINEER.ORG</title>
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		<title>From Circuit Board Scrap to Water Purifier: Solder Waste Turned Into Powerful Tin Oxide Nanoparticles</title>
		<link>https://bioengineer.org/from-circuit-board-scrap-to-water-purifier-solder-waste-turned-into-powerful-tin-oxide-nanoparticles/</link>
		
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		<pubDate>Mon, 19 Oct 2026 05:26:34 +0000</pubDate>
				<category><![CDATA[Technology]]></category>
		<category><![CDATA[acid leaching]]></category>
		<category><![CDATA[chemical oxygen demand]]></category>
		<category><![CDATA[e-waste]]></category>
		<category><![CDATA[hydrometallurgy]]></category>
		<category><![CDATA[nanoparticles]]></category>
		<category><![CDATA[photocatalysis]]></category>
		<category><![CDATA[printed circuit boards]]></category>
		<category><![CDATA[rhodamine B]]></category>
		<category><![CDATA[sustainable recycling]]></category>
		<category><![CDATA[tin oxide]]></category>
		<category><![CDATA[tin recovery]]></category>
		<category><![CDATA[wastewater treatment]]></category>
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					<description><![CDATA[Researchers have converted tin recovered from solder in waste printed circuit boards into 7.6-nanometre tin oxide nanoparticles that completely degrade Rhodamine B dye under UV light and remain stable over five reuse cycles.]]></description>
		
		
		
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