ABSTRACT

Chemical comminution of coal with ammonia has been studied by

of coal by chemical comminution [4).

In 1977, Catalytic, Inc. joined with Syracuse Research Corpora-

the chemical comminution process.

1.2 RESEARCH STUDIES

Extensive research on the chemical comminution process has proved

size of the coal, pretreatment, moisture content, comminution chem-

A. Experimental Apparatus and Procedure

Figure1.1Chemicalfragmentationapparatusforsmallcoalsamples. (FromRef.5.)

largepiecesofmineralmatterandcloselysized(e.g.,3/4xl/4in.)

sothattheextentoffragmentationcouldbecompared.Theoperation

ofthesmallbombapparatusinFig.1.1followsProcedureA[5]:

ProcedureA.Thisprocedureisfollowedwhentestsareperformed

insmallpressurevesse'ls(seeFig.l.l).Atstart,thecoversare

unionsCandD.DiptubeIisinplace.