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A platform for research: civil engineering, architecture and urbanism
Liquid hexavalent chromium reducing agent and preparation method thereof, cement and preparation method thereof
The invention discloses a liquid hexavalent chromium reducing agent and a preparation method thereof, cement and a preparation method thereof, relates to the field of building materials, and solves the problem of the poor long-term storage property and unstable reduction effect of a hexavalent chromium reducing agent in the prior art. . The main technical scheme is as follows: the liquid hexavalent chromium reducing agent comprises the following components of 11-23 parts by weight of ferrous ion, 2-9 parts by weight of stannous ion, 40-80 parts by weight of a solvent, 8-15 parts by weight of a dispersing agent and 6-13 parts by weight of a stabilizer. The cement with low hexavalent chromium ion content can be prepared by mixing and grinding of the liquid hexavalent chromium reducing agent, cement clinker, gypsum and mixed materials. The liquid hexavalent chromium reducing agent is used for reduction of hexavalent chromium ions in the cement into insoluble trivalence chromium to reduce the water-soluble hexavalent chromium ion content in the cement.
Liquid hexavalent chromium reducing agent and preparation method thereof, cement and preparation method thereof
The invention discloses a liquid hexavalent chromium reducing agent and a preparation method thereof, cement and a preparation method thereof, relates to the field of building materials, and solves the problem of the poor long-term storage property and unstable reduction effect of a hexavalent chromium reducing agent in the prior art. . The main technical scheme is as follows: the liquid hexavalent chromium reducing agent comprises the following components of 11-23 parts by weight of ferrous ion, 2-9 parts by weight of stannous ion, 40-80 parts by weight of a solvent, 8-15 parts by weight of a dispersing agent and 6-13 parts by weight of a stabilizer. The cement with low hexavalent chromium ion content can be prepared by mixing and grinding of the liquid hexavalent chromium reducing agent, cement clinker, gypsum and mixed materials. The liquid hexavalent chromium reducing agent is used for reduction of hexavalent chromium ions in the cement into insoluble trivalence chromium to reduce the water-soluble hexavalent chromium ion content in the cement.
Liquid hexavalent chromium reducing agent and preparation method thereof, cement and preparation method thereof
LI RUI (author) / FAN LEI (author) / WEN ZHAIJUN (author) / PENG MINGQIANG (author) / CAO ZHIFENG (author) / LIU CHEN (author) / NI ZHUJUN (author) / CUI JIAN (author) / HAN YING (author)
2015-04-08
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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