Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Geopolymer material for curing various heavy metal ions and preparation method thereof
The invention is applicable to the technical field of environment-friendly materials, and provides a geopolymer material for curing various heavy metal ions, the geopolymer material comprises a solid raw material and a liquid raw material, and the water cement ratio of the liquid raw material to the solid raw material is 0.4-0.5; wherein the solid raw materials comprise the following raw materials in percentage by weight: 50%-75% of red mud and 25%-50% of slag; the liquid raw material is an alkali activator formed by mixing NaOH and Na2SiO3, and the use amount of the alkali activator is 6%-8% based on Na2O. The invention also provides a preparation method of the geopolymer material for curing various heavy metal ions. According to the method, the geopolymer is prepared from the industrial solid waste, various heavy metal ions are solidified in the geopolymer through physical and chemical reactions, pollution of heavy metal to the environment is relieved, and the purpose of treating waste with waste is achieved.
本发明适用于环保材料技术领域，提供了一种固化多种重金属离子的地聚物材料，包括固体原料和液体原料，所述液体原料和固体原料的水灰比为0.4～0.5；其中，所述固体原料包括以下重量百分比的原料：赤泥50％～75％、矿渣25％～50％；液体原料为NaOH和Na2SiO3混合的碱激发剂，用量以Na2O计算为6％～8％。本发明还提供了一种固化多种重金属离子的地聚物材料的制备方法。本发明利用工业固废制备的地聚物，通过物理化学反应将多种重金属离子固化在地聚物中，缓解重金属对环境的污染，实现了“以废治废”。
Geopolymer material for curing various heavy metal ions and preparation method thereof
The invention is applicable to the technical field of environment-friendly materials, and provides a geopolymer material for curing various heavy metal ions, the geopolymer material comprises a solid raw material and a liquid raw material, and the water cement ratio of the liquid raw material to the solid raw material is 0.4-0.5; wherein the solid raw materials comprise the following raw materials in percentage by weight: 50%-75% of red mud and 25%-50% of slag; the liquid raw material is an alkali activator formed by mixing NaOH and Na2SiO3, and the use amount of the alkali activator is 6%-8% based on Na2O. The invention also provides a preparation method of the geopolymer material for curing various heavy metal ions. According to the method, the geopolymer is prepared from the industrial solid waste, various heavy metal ions are solidified in the geopolymer through physical and chemical reactions, pollution of heavy metal to the environment is relieved, and the purpose of treating waste with waste is achieved.
本发明适用于环保材料技术领域，提供了一种固化多种重金属离子的地聚物材料，包括固体原料和液体原料，所述液体原料和固体原料的水灰比为0.4～0.5；其中，所述固体原料包括以下重量百分比的原料：赤泥50％～75％、矿渣25％～50％；液体原料为NaOH和Na2SiO3混合的碱激发剂，用量以Na2O计算为6％～8％。本发明还提供了一种固化多种重金属离子的地聚物材料的制备方法。本发明利用工业固废制备的地聚物，通过物理化学反应将多种重金属离子固化在地聚物中，缓解重金属对环境的污染，实现了“以废治废”。
Geopolymer material for curing various heavy metal ions and preparation method thereof
一种固化多种重金属离子的地聚物材料及其制备方法
XU XIN (Autor:in) / ZHOU LU (Autor:in) / ZHANG ZHIMIN (Autor:in) / GUO LISHENG (Autor:in) / HAN YONGMING (Autor:in) / KUK SUNG-BAEK (Autor:in)
15.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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