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Removal of heavy metals in potw using alum or sodium aluminate for phosphorus removal
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1984 (Engelska)Ingår i: Proceedings of Mid-Atlantic Industrial Waste Conference, 1984, s. 318-330Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

The addition of alum or sodium aluminate at dosages which effectively remove phosphorus is beneficial in removing copper, chromium, and lead when present in wastewaters. Chromium removal is enhanced by sodium aluminate addition, but alum does not affect chromium removal. Both types of aluminum salts appear to increase the removal of lead, but the large variance in the data does not allow this to be confirmed by the t-tests. Of the remaining metals analyzed, no difference in removal was observed with and without aluminum salt addition for cadmium or antimony, nor was there any difference in TOC removal. Mercury was effectively removed to below the detection limit by primary sedimentation, so no further removal was achieved during secondary treatment when the alum/aluminate was added. Other metals were not present in amounts above detection limits.

Ort, förlag, år, upplaga, sidor
1984. s. 318-330
Nyckelord [en]
Hazardous materials - Wastes; Industrial wastes - Water Reclamation; removal of toxic metals from wastewater; wastewater treatment plants, heavy metals
Nationell ämneskategori
Annan materialteknik
Forskningsämne
TEKNIK, Produktions- och materialteknik
Identifikatorer
URN: urn:nbn:se:hv:diva-8541OAI: oai:DiVA.org:hv-8541DiVA, id: diva2:860180
Konferens
Toxic and Hazardous Wastes, Proceedings of the Sixteenth Mid-Atlantic Industrial Waste Conference.; Bethlehem, PA, USA; ; Code 6106
Tillgänglig från: 2015-10-10 Skapad: 2015-10-10 Senast uppdaterad: 2016-02-11Bibliografiskt granskad

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