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iron slag

Protocol number:	M0098135
Industry:	Metallurgy
Feed Size:	< 5 cm
Desired Fineness:	< 15 mm
Quantity:	100-500 g
Recommendation:	We recommend using a Jaw Crusher PULVERISETTE 1 Model I for grinding your sample. Because of its very high iron content, sample needs to be embrittled; else, iron will just became deformed without breaking into pieces.

Result 1

	Jaw Crusher PULVERISETTE 1 classic line Model I gap setting: 3,0
Equipment:	crushing jaws made of hardened tool steel
Feed quantity:	app. 100 g
Feed Size:	< 5 cm
Additive:	+ liquid nitrogen (N2)
Grinding time:	3 min
Final fineness:	< 14 mm
Comments:	A first trial has shown that the iron content of sample use to be very high. The first fed piece has just become deformed without getting ground. For this, rest of sample has been placed in liquid nitrogen for ~ 3 minutes until it got embrittled. Afterwards, sample could be fed and ground without problems. Within 3 minutes, all pieces have been ground successfully. The grinding chamber use to be free of residues; even higher amounts of sample can be ground.