1.
    发明专利
    未知

    公开(公告)号:DE1284346B

    公开(公告)日:1968-11-28

    申请号:DEH0050596

    申请日:1963-10-21

    Inventor: BEN DAVIES

    Abstract: Low silica chrome ore (-3, + 100 size) is mixed with powdered magnesium hydroxide, roasted to remove free and combined water but not to dead burn, briquetting, then dead burning at 3100 DEG -3500 DEG F. 10-50% of previously formed briquettes can be added to the briquette feed.

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