Senegal Exports of sulfates, alums, peroxosulfates (persulfates) to Republic of the Congo was US$2.14 Thousand during 2016, according to the United Nations COMTRADE database on international trade. Senegal Exports of sulfates, alums, peroxosulfates (persulfates) to Republic of the Congo - data, historical chart and statistics - was last updated on May of 2024.