Jun 17, 2020 Manganese is found in several foods that we consume, such as nuts, legumes, whole grains, and leafy green vegetables. It is also added to many dietary supplements. Similarly, it is found in drinking water as well both tap water and well water. This added concentration of manganese can have many side-effects.Welding fumes areposed of metals and most What is manganese? Manganese is a mineral that is found naturally in the environment and is one of the most abundant metals on the earth’s surface, in air, water, and soil. It can be found in both groundwater and surface water from natural sources or as a result of human activity such as mining and industrial discharges.Manganese isuding manganese superoxide dismutase, arginase, and pyruvate carboxylase [ 1, 2 ]. Through the action of these enzymes, manganese is involved in amino acid, cholesterol, glucose, and carbohydrate metabolism; reactive oxygen species scavenging; bone formation; reproduction; and immune response [ 3-7 ].GEMCO appointed Watpac Civil & Mining to carry out the expansion of their manganese concentrator plant at Groote Eylandt, off the coast of the uded bulk earthworks, foundations, bulk concrete, transfer slabs, drainage, and associated day works, along with the construction of the concentrator cyclone building.