New technologies to allow beneficial reuse of silt from construction and demolition waste recycling washing plant

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New technologies to allow beneficial reuse of silt from construction and demolition waste recycling washing plant (2008)

Direct Web link for download / abstract: http://randd.defra.gov.uk/Document.aspx?Document=WR0204_8008_FRP.pdf

Producer link: http://randd.defra.gov.uk/
Format: PDF

Country: United Kingdom

Resource Type: document --> technical publication --> report

Producer Type: University research group / research institute

Author(s) or Producer(s):
Richard Lupo and Christopher Cheeseman

Availability:

Report from Project WR0204 (WRT 236)

Associated Project:

Associated Organisation:
Department for Environment, Food and Rural Affairs United Kingdom

Stage of development:

Short description and topics:

EXTRACT: This project has investigated processing waste silt generated from aggregate washing 
recycling plants into secondary aggregate. The fine particles that constitute silt are filtered 
from water used to wash recycled aggregate. Aggregate washing plants are increasingly used because 
legislation and financial drivers are supporting increased use of secondary aggregates. Washing 
is beneficial because international aggregate standards limit the quantity of fine material (typically 
<63ìm) that should be included in recycled aggregate. To comply with these standards both recycled 
and virgin aggregate are washed. The wash-water contains fine silt particles which are removed 
by filtration so the water can be recycled. The resulting silt filter cake is a major waste disposal 
issue for the industry. This project had the overall aim of manufacturing viable aggregate from 
waste silt produced by aggregate washing

Contaminated land-->Remediation options-->Recycling/reuse

Long Description:

Submitted by: Professor Paul Bardos Who does what?
17/11/2009 14:19:00