The use of hatchery residual biosorbent for removal of heavy metals from wastewater

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dc.contributor.advisorBecker, Jennifer Gen_US
dc.contributor.advisorDavis, Allen Pen_US
dc.contributor.authorPaula, Heloisaen_US
dc.contributor.departmentCivil Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2006-06-14T06:13:18Z
dc.date.available2006-06-14T06:13:18Z
dc.date.issued2006-05-23en_US
dc.description.abstractThe recycling of hatchery wastes could reduce disposal costs for this broiler production residual. Eggshell is abundant in the residual and is composed primarily of calcite, which is known to sorb metals. The uptake of Cd(II), Cu(II), Ni(II), Pb(II), and Zn(II) from aqueous solutions by the residual was investigated, and the underlying mechanisms were characterized in a series of batch and column experiments. The residual's selectivity decreased according to: Pb(II) > Cu(II) > Zn(II) > Cd(II) > Ni(II) and probably can be explained by different removal mechanisms. Compared with a commercial ion exchange resin, treatment columns containing the residual had a relatively low capacity for metals in an electroplating wastewater and regeneration was relatively inefficient. Thus, it may not be practical to use the residual in primary wastewater treatment. Use of the residual in wastewater polishing or as a co-amendment with land-applied biosolids may be more appropriate.en_US
dc.format.extent962223 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/1903/3643
dc.language.isoen_US
dc.subject.pqcontrolledEngineering, Environmentalen_US
dc.subject.pquncontrolledhatchery residualsen_US
dc.subject.pquncontrolledbiosorbentsen_US
dc.subject.pquncontrolledheavy metalsen_US
dc.subject.pquncontrolledindustrial wastewateren_US
dc.titleThe use of hatchery residual biosorbent for removal of heavy metals from wastewateren_US
dc.typeThesisen_US

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