Zinc and iron also react with hydrochloric acid. Magnesium, zinc and iron also react with sulfuric acid. The products are a salt (in this case a sulfate) and hydrogen. For example: ...

This method allows for the curing of zinc sulfide concentrate with sulfuric acid at moderate temperatures, achieving high zinc recovery rates of up to 98.23% under optimized conditions[3].

Youngpoong can no longer process the essential byproduct sulfuric acid generated during the zinc smelting process at the Seokpo smelter in Bonghwa County, North Gyeongsang Province, through Korea ...