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Method for recovering mn from medium carbon ferromanganese slag

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专利汇可以提供Method for recovering mn from medium carbon ferromanganese slag专利检索,专利查询,专利分析的服务。并且PURPOSE: To recover Mn from molten medium-C ferromanganese slag by charging the slag adjusted to a specified basicity into a ladle having a porous plug, adding granular Si-Mn, and agitating them to reduce manganese oxide in the slag.
CONSTITUTION: A porous plug 3 is inserted into a hole in the bottom of a ladle lined with a magnesia stamp 2 as lining refractories. CaO is added to molten slag produced during the manufacture of medium-C ferromanganese to adjust the slag to 1.1W1.25 basicity and to increase the sensible heat of the slag..The molten slag is then charged into the ladle, and Si-Mn of 5W15mm grain size is added while the molten slag is agitated by blowing an inert gas such as N
2 from the plug 3. Mn oxide in the slag is reduced with Si in the Si-Mn and recovered as metallic Mn.
COPYRIGHT: (C)1986,JPO&Japio,下面是Method for recovering mn from medium carbon ferromanganese slag专利的具体信息内容。

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