Microwave-assisted concrete recycling - Microwave-Assisted Concrete Technology: Production, Demolition and Recycling - page 167

of nonconcrete impurities present in the concrete debris. The second tech-
nique, termed microwave-assisted mortar separation, takes advantage of
the inherently higher dielectric loss of mortar than typical stone aggregates
to selectively heat and thereby remove the mortar portion of RCA. The
fundamentals and working principles of these microwave-assisted meth-
ods used in concrete recycling were discussed in detail. Furthermore, the
effects of microwave-assisted mortar separation on the properties of RCA
and RAC were discussed.
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