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  • 以白云石(化学式表示为MgCO3?CaCO3)为原料制备氢氧化镁的工艺流程...

以白云石(化学式表示为MgCO3?CaCO3)为原料制备氢氧化镁的工艺流程...

2023-04-26 93浏览
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(1)从过滤中可以得到CaCO 3 、来进行判断,可知分解的只是碳酸镁,分解生成氧化镁,白云石“轻烧”后固体产物的主要成份CaCO 3 、MgO;从表中可以看出,温度低于540℃时,物质不分解,高于840℃时,碳酸钙和碳酸镁都分解,因此该温度不超过700℃; 故答案为:CaCO 3 、MgO,700℃; (2)加热的过程是放出氨气的过程,该过程中因为氧化镁跟水反应很少,因此涉及到的反应应该为:(NH 4 ) 2 SO 4 +MgO   △   . 展开查看全文 收藏 举报 更新于2018-09-13 取消 确定 数聚超市 建设领域数据共享交易平台 发表于2023-02-14 您好,根据您的提问主题,我在 数聚超市 里为您找到了相关数据资料共 1064464 份,支持在线预览及下载,希望能帮到您: 白云石白色镁氧水泥的研制 白云石白色镁氧水泥的研制 下载 复合白云石表面链状纳米CaCO_3的制备 复合白云石表面链状纳米CaCO_3的制备 下载 中国产白云石砖 中国产白云石砖 下载 白云石质金尾矿制备烧结砖的研究 白云石质金尾矿制备烧结砖的研究 下载 中国产白云石砖 中国产白云石砖 下载 查看 1064464 份数据资料>> 登录 赶紧来分享下您的知识和见解吧~ 发布回答 猜你喜欢 我们白云石矿山开出的矿石为什么氧化钙高达37%,氧化镁高达28%,这种矿的 (1) 回答 白云石的用途是什么? (3) 回答 白云石的具体加工 (1) 回答 白云石的用途有哪些? 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