Hydrogen sulfide suppression method, involves adding nitrate salt to fermenting suspension, where nitrate salt is metal nitrate, preferably aluminum nitrate, aluminum nitrate sulfate, alkali nitrates

摘要

Hydrogen sulfide suppression method involves adding nitrate salt to fermenting suspension. The nitrate salt is metal nitrate, preferably aluminum nitrate, aluminum nitrate sulfate, alkali nitrates, particularly sodium nitrate or potassium nitrate, particularly magnesium nitrate preferably alkaline-earth nitrates or calcium nitrate or iron nitrate. Solid or solution form of nitrate salt is used.