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A platform for research: civil engineering, architecture and urbanism
Method for preparing reticular porous ceramic material from solid waste
The invention provides a method for preparing a reticular porous ceramic material from solid waste, and belongs to the technical field of porous ceramic material preparation, and the method comprises the following steps: mixing waste silicon crystal soil and paper pulp sludge according to a ratio, drying to obtain a ceramic green body, and sintering the ceramic green body to generate the reticular porous ceramic material, wherein the waste silicon crystal soil comprises silicon, silicon oxide and silicon carbide; the periphery of the ceramic body is covered with a powder layer during sintering, and the powder layer is at least one of carbon, silicon, silicon oxide and silicon carbide; the reticular porous ceramic material with high specific surface area of more than 162m < 2 >/g and distribution of macropores of 50nm and mesopores of 2-50nm is prepared by taking waste as a reutilization raw material, the production cost is reduced, and the problem of reutilization of a large amount of waste silicon crystal soil and paper pulp sludge in China is solved.
本发明提供一种利用固废制备网状多孔陶瓷材料的方法，属于多孔陶瓷材料制备技术领域，包括以下步骤：将废硅晶土与纸浆污泥按比混合，干燥后得到陶瓷坯体，对所述陶瓷坯体进行烧结，生成所述网状多孔陶瓷材料；其中，所述废硅晶土包括硅、氧化硅和碳化硅；所述陶瓷坯体在烧结时周围覆盖有粉末层，所述粉末层为碳、硅、氧化硅、碳化硅中的至少一种；本发明以废弃物作为再利用原料制备得到具有162m2/g以上高比表面积、具有50nm的大孔与2‑50nm的介孔分布的网状多孔陶瓷材料，同时降低生产成本，解决国内大量废硅晶土与纸浆污泥的再利用问题。
Method for preparing reticular porous ceramic material from solid waste
The invention provides a method for preparing a reticular porous ceramic material from solid waste, and belongs to the technical field of porous ceramic material preparation, and the method comprises the following steps: mixing waste silicon crystal soil and paper pulp sludge according to a ratio, drying to obtain a ceramic green body, and sintering the ceramic green body to generate the reticular porous ceramic material, wherein the waste silicon crystal soil comprises silicon, silicon oxide and silicon carbide; the periphery of the ceramic body is covered with a powder layer during sintering, and the powder layer is at least one of carbon, silicon, silicon oxide and silicon carbide; the reticular porous ceramic material with high specific surface area of more than 162m < 2 >/g and distribution of macropores of 50nm and mesopores of 2-50nm is prepared by taking waste as a reutilization raw material, the production cost is reduced, and the problem of reutilization of a large amount of waste silicon crystal soil and paper pulp sludge in China is solved.
本发明提供一种利用固废制备网状多孔陶瓷材料的方法，属于多孔陶瓷材料制备技术领域，包括以下步骤：将废硅晶土与纸浆污泥按比混合，干燥后得到陶瓷坯体，对所述陶瓷坯体进行烧结，生成所述网状多孔陶瓷材料；其中，所述废硅晶土包括硅、氧化硅和碳化硅；所述陶瓷坯体在烧结时周围覆盖有粉末层，所述粉末层为碳、硅、氧化硅、碳化硅中的至少一种；本发明以废弃物作为再利用原料制备得到具有162m2/g以上高比表面积、具有50nm的大孔与2‑50nm的介孔分布的网状多孔陶瓷材料，同时降低生产成本，解决国内大量废硅晶土与纸浆污泥的再利用问题。
Method for preparing reticular porous ceramic material from solid waste
一种利用固废制备网状多孔陶瓷材料的方法
DAI MIN (author) / LIN ZHIPENG (author) / WU XIANGE (author) / CHEN ZEJIAN (author)
2022-05-20
Patent
Electronic Resource
Chinese
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