TNTRODCTION TO PATENTS

来源 :中国铸造：英文版 | 被引量 : 0次 | 上传用户：na2222222

【摘要】

：

The present invention provides a method for recycling of the waste silicasand used in casting and for recycling of coal provided together with wastesilica sand.

【出处】

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中国铸造：英文版

【发表日期】

：

2018年5期

【关键词】

：

PATENTS-A RECYCLING method WASTE CASTING SAND A plant refenerating FOUNDRY SAND

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The present invention provides a method for recycling of the waste silicasand used in casting and for recycling of coal provided together with wastesilica sand. Waste silica sand may comprise dirt such as coal powder,bentonite and resin as a result of met

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