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AWWA ACE61768 PDF

AWWA ACE61768 PDF

Name:
AWWA ACE61768 PDF

Published Date:
06/17/2005

Status:
Active

Description:

A Novel Ion Exchange Process for Arsenate Removal from Drinking Water

Publisher:
American Water Works Association

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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This slide presentation outlines information on testing a new ion exchanger (Polymeric Ligand Exchanger-PLE) for selective removal of As(V), and developing an engineered strategy to minimize process waste residuals. Topics covered include: arsenate-sulfate breakthrough histories with a standard IX resin; multi-component breakthrough histories with PLE; arsenate sorption: isotherms for PLE and 2 standard resins; efficient regeneration: As(V) elution history during regeneration; direct reuse of brine for multiple regeneration cycles; brine treatment and reuse; major composition of a spent regeneration brine (SRB); removal of As from SRB using FeCl<sub>3</sub>; effect of pH on arsenate removal; effect of calcium addition on As removal; treated brine reuse; effect of Fe addition on waste residual stability; effect of Ca addition on waste residual stability; and, conclusions.
Edition : Vol. - No.
Number of Pages : 26
Published : 06/17/2005

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