Process for rendering an ash inert, artificial pozzolana...

Details Process for rendering an ash inert, artificial pozzolana... Process for rendering an ash inert, artificial pozzolana...

2006-10-31

2006-10-31

Rinehart, Kenneth (Department: 3749)

Furnaces

Process

Treating fuel constituent or combustion product

C110S16500A

Reexamination Certificate

active

07128006

ABSTRACT:
Process for rendering inert an ash originating from the incineration of municipal waste, according to which the ash is subjected successively to treatment (19) with a water-soluble phosphate (20) in the presence of water, under conditions adjusted to crystallize hydroxyapatite and/or whitlockite, and to calcination (22). Artificial pozzolana, obtained by subjecting an ash originating from the incineration of municipal waste to such an inerting process.

REFERENCES:
patent: 4877453 (1989-10-01), Loggers
patent: 5284636 (1994-02-01), Goff et al.
patent: 5877393 (1999-03-01), Webster
patent: 6132355 (2000-10-01), Derie

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