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	<title>hexavalent chromium &#8211; BIOENGINEER.ORG</title>
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		<title>Bean Husk Waste Transformed into Biochar That Strips Lead and Chromium from Water</title>
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		<pubDate>Wed, 07 Oct 2026 02:20:30 +0000</pubDate>
				<category><![CDATA[Chemistry]]></category>
		<category><![CDATA[adsorption]]></category>
		<category><![CDATA[adsorption kinetics]]></category>
		<category><![CDATA[agricultural waste]]></category>
		<category><![CDATA[bean husk]]></category>
		<category><![CDATA[biochar]]></category>
		<category><![CDATA[heavy metals]]></category>
		<category><![CDATA[hexavalent chromium]]></category>
		<category><![CDATA[isotherm modeling]]></category>
		<category><![CDATA[lead removal]]></category>
		<category><![CDATA[regeneration]]></category>
		<category><![CDATA[wastewater remediation]]></category>
		<category><![CDATA[water treatment]]></category>
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					<description><![CDATA[Researchers converted discarded bean husks into a low-cost biochar that removed up to 94.7% of lead and 91.5% of hexavalent chromium from contaminated water without chemical activation.]]></description>
		
		
		
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