What does Alkali waste mean?

Alkali waste meaning in General Dictionary

waste through the manufacture of alkali specif soda waste

Sentence Examples with the word Alkali waste

When the former is used it is roasted with calcium sulphate or alkali waste to form a matte which is then blown in a Bessemer converter or heated in a reverberatory furnace with a siliceous flux with the object of forming a rich nickel sulphide.

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