Using the stone waste powder as a cement mixing materials, the early strength of cement was improved, but late strength of cement was reduced.

用废石粉作为水泥混合材时，有利于提高水泥的早期强度，但会使水泥后期强度有所降低。

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As the stone waste powder had less the active ingredient, Using the stone waste powder to replace small or all of fly ash would reduce the later strength of the mortar.

由于废石粉中活性成分较少，所以用废石粉部分或全部取代粉煤灰时，会使砂浆后期强度降低。

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At the same time, the technology utilizes the broken stone waste materials and stone powder as raw materials, thereby benefiting for the protection and the conservation of natural resources.

同时该技术利用碎石废料及石粉为原料，对保护和节约天然资源大有益处。

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Solid waste combustion, sewage treatment, stone quarrying, marinas, and oil and coal-fired power plants have air pollution damages larger than their value added.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution