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Such grinding by the 'wet method is known to show very greatadvant'age's over the dry grinding,. To this end the water is in the first place partially removed from the paste. Such grinding by the 'wet method is known to show very greatadvant'age's over the dry grinding, ' since. The method for the preparation of a hydraulic cement consisting of the steps of grinding blast furnace slag while wet to finely divided form, rapidly drying the ground product substantially immediately after grinding at a temperature below about C. One of the essential features of the new process consists, moreover, in obtaining a powder of much greater fineness than can be achieved with the conventional dry grinding methods.

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Imani. Age: 24.
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Finally, it is worth to mention the considerable economic advantage that results from the possibility of preparing and treating the above described binder in a central factory,'where it can be stored, and whence it can be despatched in sacks to the place of use.

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Margot. Age: 28.
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GRIND presents. Teddy Killerz / Club Hollywood / 11.01

This step may be carried out without the action of calorific energy and without direct man-power, in any suitable apparatus such a for decanting, filterin'g'or centrifugal drying, or with the help of any other means enabling tc'remove a large proportion of the water contained in the paste. Process and installation for the treatment of vitrified blast furnace slags and products obtained according to this process. Application August 30, , Serial No. The great fineness of particles obviates the well known drawbacks due to the fact that less finely ground iron cements do not retain water. The method for the preparation of a hydraulic cement consisting of the steps of grinding blast furnace slag while wet to finely divided form, removing the major portion of the water from the wet ground slag by mechanical means, rapidly drying the remainder at a temperature below about 50 C.

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