<http://webisa.webdatacommons.org/141558096>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<engineeringnews.co.za> .
<http://webisa.webdatacommons.org/141558096>	<http://www.w3.org/ns/prov#value>	"After effective settling of the biodiesel, it is slowly pumped through a lead-lag system of resin-containing columns that absorb impurities, such as water," .
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