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A platform for research: civil engineering, architecture and urbanism
Treatment method of household garbage incineration fly ash
The invention relates to the field of waste resource utilization and environmental protection, and in particular relates to a treatment method of household garbage incineration fly ash. The treatment method comprises the steps of stirring and mixing, alkali excitation, forming and curing. The method specifically comprises the steps of stirring and mixing the household garbage incineration fly ash and a silicon-aluminum tempering agent according to a mass ratio of (80: 20) to (90: 10) to obtain a first mixture; then adding an alkali activator into the first mixture for reaction to obtain a geopolymer, wherein the mass of the alkali activator accounts for 25 to 35% of the sum of the mass of the household garbage incineration fly ash and the mass of the silicon-aluminum tempering agent; and finally, carrying out pressure forming and maintenance on the geopolymer to obtain a treated formed sample. According to the treatment method, volume reduction of the treated household garbage incineration fly ash is guaranteed, meanwhile, the heavy metal solidification effect is good, and the potential danger of heavy metal leaching is avoided.
本发明涉及废物资源化利用和环境保护领域，尤其涉及一种生活垃圾焚烧飞灰的处理方法。该处理方法包括以下步骤：搅拌混合、碱激发以及成型及养护。具体为，先将生活垃圾焚烧飞灰与硅铝调质剂按质量比(80:20)～(90:10)进行搅拌混合，得到第一混合物；然后向第一混合物中加入碱激发剂进行反应得到地聚合物，碱激发剂的质量占生活垃圾焚烧飞灰与硅铝调质剂质量之和的25％～35％；最后对地聚合物进行加压成型并养护，得到处理后的成型样品。本处理方法使得经处理过的生活垃圾焚烧飞灰在保证减容的同时，重金属固化效果好，避免了重金属浸出的潜在危险性。
Treatment method of household garbage incineration fly ash
The invention relates to the field of waste resource utilization and environmental protection, and in particular relates to a treatment method of household garbage incineration fly ash. The treatment method comprises the steps of stirring and mixing, alkali excitation, forming and curing. The method specifically comprises the steps of stirring and mixing the household garbage incineration fly ash and a silicon-aluminum tempering agent according to a mass ratio of (80: 20) to (90: 10) to obtain a first mixture; then adding an alkali activator into the first mixture for reaction to obtain a geopolymer, wherein the mass of the alkali activator accounts for 25 to 35% of the sum of the mass of the household garbage incineration fly ash and the mass of the silicon-aluminum tempering agent; and finally, carrying out pressure forming and maintenance on the geopolymer to obtain a treated formed sample. According to the treatment method, volume reduction of the treated household garbage incineration fly ash is guaranteed, meanwhile, the heavy metal solidification effect is good, and the potential danger of heavy metal leaching is avoided.
本发明涉及废物资源化利用和环境保护领域，尤其涉及一种生活垃圾焚烧飞灰的处理方法。该处理方法包括以下步骤：搅拌混合、碱激发以及成型及养护。具体为，先将生活垃圾焚烧飞灰与硅铝调质剂按质量比(80:20)～(90:10)进行搅拌混合，得到第一混合物；然后向第一混合物中加入碱激发剂进行反应得到地聚合物，碱激发剂的质量占生活垃圾焚烧飞灰与硅铝调质剂质量之和的25％～35％；最后对地聚合物进行加压成型并养护，得到处理后的成型样品。本处理方法使得经处理过的生活垃圾焚烧飞灰在保证减容的同时，重金属固化效果好，避免了重金属浸出的潜在危险性。
Treatment method of household garbage incineration fly ash
一种生活垃圾焚烧飞灰的处理方法
ZHANG ZUOTAI (author) / WEI XUANKUN (author) / YAN FENG (author) / GUO RUICHENG (author)
2021-07-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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