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电石制取乙炔。电石水解除产生乙炔外,还产生了大量的电石渣。电石渣的纯度与石灰膏基本相同,只是由于电石中含有少量游离炭,使电石渣呈蓝灰色。电石渣可以代替
The calcium carbide produces acetylene. In addition to the release of acetylene from calcium carbide water, a large amount of carbide slag was also produced. The purity of calcium carbide slag is basically the same as that of lime paste, but calcium carbide slag is blue-gray because calcium carbide contains a small amount of free carbon. Carbide slag can be replaced