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A platform for research: civil engineering, architecture and urbanism
Municipal solid waste incineration fly ash heavy metal curing material based on nanometer aluminum oxide and preparation method of municipal solid waste incineration fly ash heavy metal curing material
The invention belongs to the field of solid waste treatment and ecological environment materials, and provides a municipal solid waste incineration fly ash heavy metal curing material based on nano-alumina and a preparation method thereof.The municipal solid waste incineration fly ash heavy metal curing material is prepared from 100-400 parts of municipal solid waste incineration fly ash, 10-50 parts of sodium hydroxide, 50-300 parts of water glass, 5-15 parts of nano-alumina and 250-400 parts of mixing water, and the particle size of the particles is 10nm. The solid waste is adopted as the raw material, the method is green and environment-friendly, the operation process is simple, meanwhile, the characteristics of nanoscale size, large specific surface area, high adsorption capacity and high activity of being easily dissolved in alkali liquor of nanometer aluminum oxide are fully utilized, and heavy metal ions in the municipal solid waste incineration fly ash can be effectively solidified; the leaching rate of harmful heavy metal ions is remarkably reduced, excellent mechanical properties are obtained, and the municipal solid waste incineration fly ash can be utilized easily.
本发明属于固废处理与生态环境材料领域，提供一种基于纳米氧化铝的城市生活垃圾焚烧飞灰重金属固化材料及制备方法，其原材料为：城市生活垃圾焚烧飞灰100～400份，氢氧化钠10～50份，水玻璃50～300份，纳米氧化铝5～15份，拌合水250～400份，其中纳米氧化铝为γ相，亲水型，颗粒粒径10nm。本发明采用固体废弃物为原材料，绿色环保，操作工艺简单，同时充分利用纳米氧化铝的纳米级尺寸、比表面积大、吸附能力强和易溶于碱液中的高活性的特征，可有效固化城市生活垃圾焚烧飞灰中的重金属离子，显著降低有害重金属离子的浸出率，获得优异的力学性能，有利于实现城市生活垃圾焚烧飞灰的利用。
Municipal solid waste incineration fly ash heavy metal curing material based on nanometer aluminum oxide and preparation method of municipal solid waste incineration fly ash heavy metal curing material
The invention belongs to the field of solid waste treatment and ecological environment materials, and provides a municipal solid waste incineration fly ash heavy metal curing material based on nano-alumina and a preparation method thereof.The municipal solid waste incineration fly ash heavy metal curing material is prepared from 100-400 parts of municipal solid waste incineration fly ash, 10-50 parts of sodium hydroxide, 50-300 parts of water glass, 5-15 parts of nano-alumina and 250-400 parts of mixing water, and the particle size of the particles is 10nm. The solid waste is adopted as the raw material, the method is green and environment-friendly, the operation process is simple, meanwhile, the characteristics of nanoscale size, large specific surface area, high adsorption capacity and high activity of being easily dissolved in alkali liquor of nanometer aluminum oxide are fully utilized, and heavy metal ions in the municipal solid waste incineration fly ash can be effectively solidified; the leaching rate of harmful heavy metal ions is remarkably reduced, excellent mechanical properties are obtained, and the municipal solid waste incineration fly ash can be utilized easily.
本发明属于固废处理与生态环境材料领域，提供一种基于纳米氧化铝的城市生活垃圾焚烧飞灰重金属固化材料及制备方法，其原材料为：城市生活垃圾焚烧飞灰100～400份，氢氧化钠10～50份，水玻璃50～300份，纳米氧化铝5～15份，拌合水250～400份，其中纳米氧化铝为γ相，亲水型，颗粒粒径10nm。本发明采用固体废弃物为原材料，绿色环保，操作工艺简单，同时充分利用纳米氧化铝的纳米级尺寸、比表面积大、吸附能力强和易溶于碱液中的高活性的特征，可有效固化城市生活垃圾焚烧飞灰中的重金属离子，显著降低有害重金属离子的浸出率，获得优异的力学性能，有利于实现城市生活垃圾焚烧飞灰的利用。
Municipal solid waste incineration fly ash heavy metal curing material based on nanometer aluminum oxide and preparation method of municipal solid waste incineration fly ash heavy metal curing material
一种基于纳米氧化铝的城市生活垃圾焚烧飞灰重金属固化材料及制备方法
WANG BAOMIN (author) / LI TIANRU (author) / AI HONGMEI (author) / HAN JUNNAN (author) / HAN XIAO (author) / FAN CHENGCHENG (author) / WANG WANLI (author) / XING YUNQING (author) / ZHANG XIONG (author) / CAO YUTING (author)
2022-05-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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