basic slag


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basic slag

a furnace slag produced in steel-making, containing large amounts of calcium phosphate: used as a fertilizer

Basic Slag

 

(or Thomas slag), an alkaline phosphorus fertilizer. It is a by-product of the production of steel from phosphorusrich pig iron (see). Basic slag is a dark powder that is insoluble in water and does not cake. It contains not less than 14 percent P205 in citrate-soluble form. Basic slag is most suitable for use on acid soils as a base fertilizer. It is used in the Federal Republic of Germany, France, and Great Britain. It is not produced in the USSR.

basic slag

[′bā·sik ′slag]
(metallurgy)
A slag resulting from the steelmaking process; rich in phosphorus, it is ground and used as a nutrient in grasslands.
References in periodicals archive ?
The grazing of paddocks that have had basic slag or fly ash recently applied can increase rumen pH, stopping fermentation from causing death in cattle (Dewes et al.
The result is a more basic slag, which promotes faster wear of the silica refractory lining.
The components of a basic slag can be classified as refractory oxides (CaO and MgO) and fluxing oxides ([SiO.
Carter was the cupola man at ACIPCO and did a great deal of the early work on the basic slag cupola, which was the most economical method of production for many years.