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Characterization of fly ash from Israel with reference to its nossible utilization

机译：以色列飞灰的可利用性鉴定

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摘要

The demand for electricity in Israel is growing exponentially and is increasingly based on power generated from coal. Current means of ash disposal are both inadequate and wasteful and have reached their maximum potential, thus future ash disposal presents considerable economic and environmental problems. Two representative samples of coal fly ash from Israeli power plants were examined for their mineralogical, chemical, physical and technical properties. Both samples are good-quality type F fly ashes (ASTM nomenclature) with excellent pozzolanic characteristics. On the basis of strength index data, the South African fly ash was found to be a better pozzolan than the Colombian. A simple beneficiation process is suggested to produce a high-quality, reproducible and valuable raw material. Some specific uses for fly ash in the Israel context are suggested.
机译：以色列对电力的需求呈指数增长，并且越来越多地依靠煤炭发电。当前的灰渣处理方法既不充分又浪费，已经达到了最大的潜力，因此未来的灰渣处理会带来很大的经济和环境问题。检查了以色列发电厂的两个代表性粉煤灰样品的矿物学，化学，物理和技术特性。两种样品均为具有优良火山灰特性的优质F型飞灰（ASTM命名法）。根据强度指数数据，发现南非粉煤灰比哥伦比亚粉煤灰更好。建议采用简单的选矿工艺来生产高质量，可复制且有价值的原材料。建议在以色列范围内粉煤灰的一些特定用途。

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