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Manganese is a chemical element with the symbol Mn and atomic number of 25. It is found as the free element in nature (often in combination with iron), and in many minerals. The free element is a metal with important industrial metal alloy uses. Manganese ions are variously colored, and are used industrially as pigments and as
TEMCO, a manganese smelter located at Georgetown, Tasmania, was sold to GFG Alliance in January 2021 [12] South Africa Energy Coal (SAEC), operating thermal coal mining assets in South Africa, was sold to Seriti in June 2021 [ 13 ]
On 19 August 2014, BHP Billiton announced it would create an independent global metals and mining company based on a selection of its aluminium, coal, manganese, nickel, and silver assets. [70] The newly formed entity, named South32 , was subsequently demerged with listings on the Australian Securities Exchange the JSE and the London Stock ...
Sustainalytics is a company that rates the sustainability of listed companies based on their environmental, social and corporate governance (ESG) performance. [1] The company was born of a merger between Toronto-based Jantzi Research, which was founded in 1992 by Sustainalytics' current CEO Michael Jantzi, and its European counterpart. [2]
The first generation rechargeable alkaline batteries were introduced by Union Carbide and Mallory in the early 1970s. [3] [5] Several patents were introduced after Union Carbide's product discontinuation and eventually, in 1986, Battery Technologies Inc of Canada was founded to commercially develop a 2nd generation product based on those patents, under the trademark "RAM".
Other constituents include iron (6 wt. %), silicon (5 wt. %) and aluminium (3 wt. %), with lesser amounts of calcium, sodium, magnesium, potassium, titanium and barium, along with hydrogen and oxygen as well as water of crystallization and free water. In a given manganese nodule, there is one part of iron oxide for every two parts of manganese ...
With a market share of 50%, it is the largest producer of manganese ore in India. [2] MOIL operates 11 mines in adjoining districts of Maharashtra and Madhya Pradesh . It has been ranked #486 among the 500 top companies in India and 9th in the Mines and Metals Sector of the Fortune India 500 list for 2011.
It was originally founded as Dominion Bond Rating Service in Toronto in 1976, and its operations were integrated with Morningstar Credit Ratings to form Morningstar DBRS after its acquisition by the global financial services firm Morningstar, Inc. in 2019. [1] [2] It is the largest rating agency in Canada.