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Bloated fly ash aggregates

阅读:435发布:2023-12-19

专利汇可以提供Bloated fly ash aggregates专利检索,专利查询,专利分析的服务。并且Bloated fly ash aggregates suitable for use in concrete, asphalt and the like are produced by: homogeneously admixing with fly ash, first an aqueous solution of a alkali compound such as ammonium hydroxide, and then an aqueous dispersion of a watersoluble carbohydrate; forming the resulting admixture into aggregates, drying the aggregates; and finally firing the aggregates at a temperature causing fusion and bloating of the aggregates.,下面是Bloated fly ash aggregates专利的具体信息内容。

  • 2. The bloated aggregates of claim 1 further characterized in that the carbohydrate is a sugar, starch or mixtures thereof.
  • 3. The bloated aggregates of claim 1 further characterized in that the carbohydrate is molasses.
  • 4. The bloated aggregates of claim 1 further characterized in that the carbohydrate is molasses containing a surfactant that reduces the surface tension of the molasses.
  • 5. The bloated aggregates of claim 3 further characterized in that the alkali compound is ammonium hydroxide, sodium hydroxide, potassium hydroxide or mixtures thereof.
  • 6. The bloated aggregates of claim 3 further characterized in that the alkali compound is ammonium hydroxide.
  • 7. The bloated aggregates of claim 4 further characterized in that the alkali compound is ammonium hydroxide.
  • 8. The bloated aggregates of claim 7 further characterized in that the admixture is formed into aggregates by extruding the admixture into an extrudate and cutting the extrudate into aggregates.
  • 9. The bloated aggregates of claim 8 further characterized in that the admixture has a moisture content of about 15 to 19% by weight before being extruded.
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