... lime for mining and oil refining No of Employees: 100-200 People. COA,SGS,MSDS,COA. Hydrated Lime/slack lime mortar ... Synonyms: calcium hydroxide, slaked lime, lime powder, ash Calcium Powder1. Features 1). Lower cost for water treatment ... 1). Mainly adjust acid waste water PH value, widely used for electroplate, Chemical industry, circuit board, pickling, printing & dyeing and ...