Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preparing geopolymer cement from lepidolite lithium extraction tailings
The invention discloses a method for preparing geopolymer cement from lepidolite lithium extraction tailings. The method comprises the following steps: mixing the lithium extraction tailings and fly ash according to a certain proportion, and grinding to obtain mixed powder; the mixed powder, an exciting agent solution and a catalyst are mixed according to a certain proportion and then poured into a mold; the method comprises the following steps: carrying out plastic package and water retention on a mold, reacting an exciting agent and mixed powder in the mold for a period of time, drying at a certain temperature, and demolding to obtain a geopolymer product; the exciting agent solution is a mixed solution of calcium hydroxide, sodium hydroxide, potassium hydroxide, barium hydroxide, lithium hydroxide, sodium metaaluminate, potassium metaaluminate and water. The lithium extraction tailings and the fly ash are mixed, the exciting agent and the catalyst are added, the high-value geopolymer cement is obtained, meanwhile, a huge amount of tailings generated by lithium extraction of lepidolite can be effectively eliminated, the preparation method is simple in process, the raw materials are cheap and easy to obtain, and resources can be fully and effectively utilized.
本发明公开一种锂云母提锂尾渣制备地质聚合物水泥的制备方法，其包括将提锂尾渣和粉煤灰按照一定比例进行混合后研磨得到混合粉末；将混合粉末和激发剂溶液以及催化剂按照顾一定比例进行混合后浇筑在模具中；通过将模具塑封保水，令激发剂、混合粉末在模具中反应一段时间后，将其在一定温度下烘干脱模后得到地聚物产品；激发剂溶液为氢氧化钙、氢氧化钠、氢氧化钾、氢氧化钡、氢氧化锂、偏铝酸钠、偏铝酸钾以及水的混合溶液。本申请通过提锂尾渣和粉煤灰的混合，并加入激发剂以及催化剂，在获得高价值地质聚合物水泥的同时，可以有效消纳掉锂云母提锂产生的巨量尾渣，该制备方法工序简单，原料廉价易得，资源能够得到充分有效的利用。
Method for preparing geopolymer cement from lepidolite lithium extraction tailings
The invention discloses a method for preparing geopolymer cement from lepidolite lithium extraction tailings. The method comprises the following steps: mixing the lithium extraction tailings and fly ash according to a certain proportion, and grinding to obtain mixed powder; the mixed powder, an exciting agent solution and a catalyst are mixed according to a certain proportion and then poured into a mold; the method comprises the following steps: carrying out plastic package and water retention on a mold, reacting an exciting agent and mixed powder in the mold for a period of time, drying at a certain temperature, and demolding to obtain a geopolymer product; the exciting agent solution is a mixed solution of calcium hydroxide, sodium hydroxide, potassium hydroxide, barium hydroxide, lithium hydroxide, sodium metaaluminate, potassium metaaluminate and water. The lithium extraction tailings and the fly ash are mixed, the exciting agent and the catalyst are added, the high-value geopolymer cement is obtained, meanwhile, a huge amount of tailings generated by lithium extraction of lepidolite can be effectively eliminated, the preparation method is simple in process, the raw materials are cheap and easy to obtain, and resources can be fully and effectively utilized.
本发明公开一种锂云母提锂尾渣制备地质聚合物水泥的制备方法，其包括将提锂尾渣和粉煤灰按照一定比例进行混合后研磨得到混合粉末；将混合粉末和激发剂溶液以及催化剂按照顾一定比例进行混合后浇筑在模具中；通过将模具塑封保水，令激发剂、混合粉末在模具中反应一段时间后，将其在一定温度下烘干脱模后得到地聚物产品；激发剂溶液为氢氧化钙、氢氧化钠、氢氧化钾、氢氧化钡、氢氧化锂、偏铝酸钠、偏铝酸钾以及水的混合溶液。本申请通过提锂尾渣和粉煤灰的混合，并加入激发剂以及催化剂，在获得高价值地质聚合物水泥的同时，可以有效消纳掉锂云母提锂产生的巨量尾渣，该制备方法工序简单，原料廉价易得，资源能够得到充分有效的利用。
Method for preparing geopolymer cement from lepidolite lithium extraction tailings
一种锂云母提锂尾渣制备地质聚合物水泥的制备方法
YAO LI (Autor:in) / WEI DONGDONG (Autor:in) / PAN RUI (Autor:in) / LIAO XIN (Autor:in) / ZHOU MEIDAN (Autor:in)
29.03.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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