Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Composite material curing agent of sulphoaluminate cement and preparation method of composite material curing agent
The invention discloses a composite material curing agent of sulphoaluminate cement and a preparation method thereof, the curing agent comprises the following substances in parts by weight: 90-100 parts of WSAC, 0.01-0.1 part of GO and 0.8-1.2 parts of a polycarboxylic acid superplasticizer, and the curing agent is provided with pore channels for ion diffusion and promotion of hydration of sulphoaluminate cement. The preparation method comprises the following steps: stirring the WSAC, the polycarboxylate superplasticizer, the deionized water and the GO, and molding; demolding, naturally curing to the age, drying, grinding and sieving to form a WSAC-GO composite material; and adding into a high-concentration heavy metal ion solution, stirring and adsorbing. According to the invention, GO can promote hydration of WSAC and promote crystallization nucleation growth of ettringite crystals, has higher adsorption/curing capacity on heavy metal ions, better adsorption/curing effect, low cost, simple operation, short process and no secondary pollution.
本发明公开了一种硫铝酸盐水泥的复合材料固化剂及其制备方法，所述固化剂包括以下重量份数的物质：WSAC 90～100份，GO 0.01～0.1份，0.8～1.2份的聚羧酸高效减水剂，固化剂上有用于离子扩散以及促进硫铝酸盐水泥水化的孔道。上述制备方法包括以下步骤：将WSAC、聚羧酸高效减水剂、去离子水和GO搅拌后成型；脱模后自然养护至龄期，烘干磨碎过筛后形成WSAC‑GO复合材料；将其加入到高浓度重金属离子溶液中搅拌吸附。本发明GO可以促进WSAC的水化，促进钙矾石晶体结晶成核生长；对重金属离子有更高的吸附/固化容量，更好的吸附/固化效果，成本低、操作简单、流程短、无二次污染。
Composite material curing agent of sulphoaluminate cement and preparation method of composite material curing agent
The invention discloses a composite material curing agent of sulphoaluminate cement and a preparation method thereof, the curing agent comprises the following substances in parts by weight: 90-100 parts of WSAC, 0.01-0.1 part of GO and 0.8-1.2 parts of a polycarboxylic acid superplasticizer, and the curing agent is provided with pore channels for ion diffusion and promotion of hydration of sulphoaluminate cement. The preparation method comprises the following steps: stirring the WSAC, the polycarboxylate superplasticizer, the deionized water and the GO, and molding; demolding, naturally curing to the age, drying, grinding and sieving to form a WSAC-GO composite material; and adding into a high-concentration heavy metal ion solution, stirring and adsorbing. According to the invention, GO can promote hydration of WSAC and promote crystallization nucleation growth of ettringite crystals, has higher adsorption/curing capacity on heavy metal ions, better adsorption/curing effect, low cost, simple operation, short process and no secondary pollution.
本发明公开了一种硫铝酸盐水泥的复合材料固化剂及其制备方法，所述固化剂包括以下重量份数的物质：WSAC 90～100份，GO 0.01～0.1份，0.8～1.2份的聚羧酸高效减水剂，固化剂上有用于离子扩散以及促进硫铝酸盐水泥水化的孔道。上述制备方法包括以下步骤：将WSAC、聚羧酸高效减水剂、去离子水和GO搅拌后成型；脱模后自然养护至龄期，烘干磨碎过筛后形成WSAC‑GO复合材料；将其加入到高浓度重金属离子溶液中搅拌吸附。本发明GO可以促进WSAC的水化，促进钙矾石晶体结晶成核生长；对重金属离子有更高的吸附/固化容量，更好的吸附/固化效果，成本低、操作简单、流程短、无二次污染。
Composite material curing agent of sulphoaluminate cement and preparation method of composite material curing agent
一种硫铝酸盐水泥的复合材料固化剂及其制备方法
WANG ZENGMEI (Autor:in) / YANG FENGMING (Autor:in) / ZHOU XIN (Autor:in)
23.07.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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