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Hydrated Lime

Categories: APPLYING LIME

Many salesmen are too enthusiastic in their claims for

hydrated lime. It has advantages over pulverized limestone, stone-lime,

and pulverized lime, and there are disadvantages. The buyer of

pulverized limestone pays for the haul on 100 pounds of material to get

the 56 pounds of lime carried, while 74 pounds of the hydrate furnish

the same amount of actual lime, if all of it is a hydrate. While the

hydrate contains less
strength than the stone-lime, it is in good

physical condition for distribution, and the stone-lime must be slaked.

The buyer will bear in mind, moreover, that much of the stone-lime

which is burned on farms comes from limestone that is not very pure,

and all impurity is waste. Most manufacturers of the hydrate locate

their costly plants where the limestone is relatively pure. Prudent

business reasons dictate such a course. A careful manufacturer of

hydrated lime takes out imperfectly burned and other faulty material

with screens. These advantages have some weight, but the fact remains

that a ton of pure stone-lime has considerably more acid-correcting

power than a ton of the hydrate.



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