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Porous phosphorus removal ceramsite as well as preparation method and application thereof
The invention belongs to the technical field of ceramsite filter materials, and provides porous phosphorus removal ceramsite and a preparation method and application thereof.The porous phosphorus removal ceramsite is prepared by the steps that 8%-10% of active raw materials, 7%-10% of rare earth oxide, 40%-60% of bottom mud, 15%-26% of stone powder, 5%-6% of graphene, 2%-4% of pore forming agents and 3%-4% of binding agents are dried, smashed and then mixed to be uniform, then the mixture is granulated, formed and dried, and the porous phosphorus removal ceramsite is obtained. And sintering and cooling to prepare the porous phosphorus removal ceramsite filter material. The prepared phosphorus removal ceramsite filter material is high in phosphorus adsorption performance, high in adsorption rate, large in adsorption capacity and low in production cost, by adding CeO2 and La2O3 or Ca, Mg and Fe or bottom mud and stone powder, the porosity and cylinder compressive strength of the ceramsite filter material are improved, urban (municipal) domestic sludge reduction is achieved, and the purpose of reducing the pollution to the environment is achieved. Meanwhile, the preparation equipment adopts a kiln design and a heat exchange device, so that waste heat is recycled, the generation of chlorinated polynuclear aromatic compounds such as dioxin and nitrogen oxides is reduced, the operation cost of an environment-friendly process is reduced, and the environment-friendly problem carried by ceramsite production is solved.
本发明属于陶粒滤料技术领域，提供了一种多孔除磷陶粒及其制备方法和应用，将活性原料8‑10％，稀土氧化物7‑10％，底泥40‑60％，石粉15‑26％，石墨烯5‑6％、造孔剂2‑4％和粘结剂3‑4％分别烘干、粉碎后混合均匀，接着将混合料造粒成型且干燥，然后通过烧结且冷却后，制备出多孔除磷陶粒滤料；本发明制备的除磷陶粒滤料对磷的吸附性能强和吸附速率快，吸附容量大，且生产成本低，通过添加CeO2和La2O3，或Ca、Mg和Fe，或底泥和石粉，以此促进陶粒滤料的孔隙率以及筒压强度，实现对城市(市政)生活污泥减量化，同时制备设备采用窑炉设计和热交换装置，实现余热回收再利用，以及减少二噁英等氯化多核芳香化合物和氮氧化物的产生，有利于降低环保工艺运营成本，解决生产陶粒所携带的环保问题。
Porous phosphorus removal ceramsite as well as preparation method and application thereof
The invention belongs to the technical field of ceramsite filter materials, and provides porous phosphorus removal ceramsite and a preparation method and application thereof.The porous phosphorus removal ceramsite is prepared by the steps that 8%-10% of active raw materials, 7%-10% of rare earth oxide, 40%-60% of bottom mud, 15%-26% of stone powder, 5%-6% of graphene, 2%-4% of pore forming agents and 3%-4% of binding agents are dried, smashed and then mixed to be uniform, then the mixture is granulated, formed and dried, and the porous phosphorus removal ceramsite is obtained. And sintering and cooling to prepare the porous phosphorus removal ceramsite filter material. The prepared phosphorus removal ceramsite filter material is high in phosphorus adsorption performance, high in adsorption rate, large in adsorption capacity and low in production cost, by adding CeO2 and La2O3 or Ca, Mg and Fe or bottom mud and stone powder, the porosity and cylinder compressive strength of the ceramsite filter material are improved, urban (municipal) domestic sludge reduction is achieved, and the purpose of reducing the pollution to the environment is achieved. Meanwhile, the preparation equipment adopts a kiln design and a heat exchange device, so that waste heat is recycled, the generation of chlorinated polynuclear aromatic compounds such as dioxin and nitrogen oxides is reduced, the operation cost of an environment-friendly process is reduced, and the environment-friendly problem carried by ceramsite production is solved.
本发明属于陶粒滤料技术领域，提供了一种多孔除磷陶粒及其制备方法和应用，将活性原料8‑10％，稀土氧化物7‑10％，底泥40‑60％，石粉15‑26％，石墨烯5‑6％、造孔剂2‑4％和粘结剂3‑4％分别烘干、粉碎后混合均匀，接着将混合料造粒成型且干燥，然后通过烧结且冷却后，制备出多孔除磷陶粒滤料；本发明制备的除磷陶粒滤料对磷的吸附性能强和吸附速率快，吸附容量大，且生产成本低，通过添加CeO2和La2O3，或Ca、Mg和Fe，或底泥和石粉，以此促进陶粒滤料的孔隙率以及筒压强度，实现对城市(市政)生活污泥减量化，同时制备设备采用窑炉设计和热交换装置，实现余热回收再利用，以及减少二噁英等氯化多核芳香化合物和氮氧化物的产生，有利于降低环保工艺运营成本，解决生产陶粒所携带的环保问题。
Porous phosphorus removal ceramsite as well as preparation method and application thereof
一种多孔除磷陶粒及其制备方法和应用
XIE DONGXING (author)
2024-04-09
Patent
Electronic Resource
Chinese
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