The effect of interstitial gas on milling. Part 2

E.J.E. Cottaar, K. Rietema, S. Stemerding

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4 Citaten (Scopus)

Samenvatting

In a previous paper results were presented on the effect of interstitial gas on the milling characteristics of one specific fine powder in a ball mill. This second paper gives more data on two other powders, cracking catalyst and hematite, together with those on the powder used in the earlier experiments, quartz sand. The effects found are similar for each of the three powders: increasing gas pressure or viscosity of the gas or both inside the mill increases the rate of breakage and decreases the fineness of the daughter particles of a milling event. The overall milling speed or production rate as well as the ultimate fineness of the product are both improved by increasing pressure or viscosity. On the basis of these results a comparison is made with wet milling. It appears that pressurized milling, pressure around 10 bar, is a good alternative for the milling of fine powders.
Originele taal-2Engels
Pagina's (van-tot)189-198
Aantal pagina's10
TijdschriftPowder Technology
Volume43
Nummer van het tijdschrift2
DOI's
StatusGepubliceerd - 1985

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