Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-reducibility hexavalent chromium reducing agent for cement and preparation method thereof
The invention relates to the field of building materials, and particularly discloses a high-reducibility hexavalent chromium reducing agent for cement and a preparation method of the high-reducibility hexavalent chromium reducing agent. The hexavalent chromium reducing agent comprises the following raw materials in parts by weight: 30-50 parts of activated carbon loaded ferrous sulfate, 5-12 parts of manganese sulfate and 3-10 parts of a dispersing agent, the preparation method comprises the following steps: grinding the activated carbon loaded ferrous sulfate into powder, adding the manganese sulfate, uniformly mixing and stirring, then adding the dispersing agent, and uniformly stirring to obtain the high-reducibility hexavalent chromium reducing agent for cement. The high-reducibility hexavalent chromium reducing agent for cement can be used for reducing hexavalent chromium ions in cement and cement clinker, the content of the hexavalent chromium ions is effectively reduced, and harm of hexavalent chromium to a human body is reduced.
本申请涉及建筑材料领域，具体公开了一种高还原性水泥用六价铬还原剂及其制备方法。高还原性水泥用六价铬还原剂，包括以下重量份数的原料：活性炭负载硫酸亚铁30‑50份、硫酸锰5‑12份、分散剂3‑10份；其制备方法为：将活性炭负载硫酸亚铁研磨成粉末后，加入硫酸锰混合搅拌均匀，然后加入分散剂，搅拌均匀，搅拌均匀后得到高还原性水泥用六价铬还原剂。本申请的高还原性水泥用六价铬还原剂可用于水泥以及水泥熟料中对六价铬离子的还原，有效降低六价铬离子的含量，减少六价铬对人体的危害。
High-reducibility hexavalent chromium reducing agent for cement and preparation method thereof
The invention relates to the field of building materials, and particularly discloses a high-reducibility hexavalent chromium reducing agent for cement and a preparation method of the high-reducibility hexavalent chromium reducing agent. The hexavalent chromium reducing agent comprises the following raw materials in parts by weight: 30-50 parts of activated carbon loaded ferrous sulfate, 5-12 parts of manganese sulfate and 3-10 parts of a dispersing agent, the preparation method comprises the following steps: grinding the activated carbon loaded ferrous sulfate into powder, adding the manganese sulfate, uniformly mixing and stirring, then adding the dispersing agent, and uniformly stirring to obtain the high-reducibility hexavalent chromium reducing agent for cement. The high-reducibility hexavalent chromium reducing agent for cement can be used for reducing hexavalent chromium ions in cement and cement clinker, the content of the hexavalent chromium ions is effectively reduced, and harm of hexavalent chromium to a human body is reduced.
本申请涉及建筑材料领域，具体公开了一种高还原性水泥用六价铬还原剂及其制备方法。高还原性水泥用六价铬还原剂，包括以下重量份数的原料：活性炭负载硫酸亚铁30‑50份、硫酸锰5‑12份、分散剂3‑10份；其制备方法为：将活性炭负载硫酸亚铁研磨成粉末后，加入硫酸锰混合搅拌均匀，然后加入分散剂，搅拌均匀，搅拌均匀后得到高还原性水泥用六价铬还原剂。本申请的高还原性水泥用六价铬还原剂可用于水泥以及水泥熟料中对六价铬离子的还原，有效降低六价铬离子的含量，减少六价铬对人体的危害。
High-reducibility hexavalent chromium reducing agent for cement and preparation method thereof
一种高还原性水泥用六价铬还原剂及其制备方法
MENG ZENGCHEN (Autor:in) / XU XIUJUN (Autor:in) / WANG JIANQIANG (Autor:in) / JIA FENGMIN (Autor:in) / MENG YUNPING (Autor:in)
17.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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