发明授权
- 专利标题： Process for making high-strength synthetic aggregates
- 专利标题（中）： 制造高强度合成骨料的方法
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申请号： US10241申请日： 1993-01-28
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公开(公告)号： US5364572A公开(公告)日： 1994-11-15
- 发明人: Muh-Cheng M. Wu , George E. Wasson
- 申请人： Muh-Cheng M. Wu , George E. Wasson
- 申请人地址： PA Pittsburgh
- 专利权人： Consolidation Coal Company
- 当前专利权人： Consolidation Coal Company
- 当前专利权人地址： PA Pittsburgh
- 主分类号： C04B18/02
- IPC分类号： C04B18/02 ; B29C67/02
摘要：
A process for making high-strength aggregates including hydrating calcium oxide containing coal combustion ash for a sufficient period of time to convert a high percentage of the calcium oxide to calcium hydroxide prior to forming the aggregates and curing the aggregates in high humidity. The moisture of the hydrated material is monitored to vary the hydration moisture to the desired set point. Further, the process involves producing high-strength aggregates from calcium hydroxide containing FGD ashes such as generated from duct sorbent injection and spray dryer processes.
公开/授权文献
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